[ { "key": "decodecorpus-z000033 + stage=compress, level=best", "scenario": "decodecorpus-z000033", "params": { "stage": "compress", "level": "best", "source": null }, "target": "i686-gnu", "input_bytes": 1022035, "ratio": { "rust": 0.469797, "ffi": 0.498345, "delta_rust_over_ffi": 0.9427143846130693, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/best/decodecorpus-z000033/matrix/pure_rust", "ms_per_iter": 132.64499, "bytes_per_sec": 7705040.348678076 }, "ffi": { "benchmark_name": "compress/best/decodecorpus-z000033/matrix/c_ffi", "ms_per_iter": 44.807049, "bytes_per_sec": 22809692.28747914 } }, "rust_ms_per_iter": 132.64499, "ffi_ms_per_iter": 44.807049, "rust_bytes_per_sec": 7705040.348678076, "ffi_bytes_per_sec": 22809692.28747914, "delta_rust_over_ffi": 0.3377967686529284, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; 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throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=compress, level=default", "scenario": "decodecorpus-z000033", "params": { "stage": "compress", "level": "default", "source": null }, "target": "i686-gnu", "input_bytes": 1022035, "ratio": { "rust": 0.534824, "ffi": 0.515783, "delta_rust_over_ffi": 1.0369166878318983, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/default/decodecorpus-z000033/matrix/pure_rust", "ms_per_iter": 134.704827, "bytes_per_sec": 7587218.8306956515 }, "ffi": { "benchmark_name": "compress/default/decodecorpus-z000033/matrix/c_ffi", "ms_per_iter": 9.951993, "bytes_per_sec": 102696515.1603302 } }, "rust_ms_per_iter": 134.704827, "ffi_ms_per_iter": 9.951993, "rust_bytes_per_sec": 7587218.8306956515, "ffi_bytes_per_sec": 102696515.1603302, "delta_rust_over_ffi": 0.07388000283018811, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; 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throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=compress, level=level22", "scenario": "decodecorpus-z000033", "params": { "stage": "compress", "level": "level22", "source": null }, "target": "i686-gnu", "input_bytes": 1022035, "ratio": { "rust": 0.417445, "ffi": 0.417975, "delta_rust_over_ffi": 0.9987319815778456, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level22/decodecorpus-z000033/matrix/pure_rust", "ms_per_iter": 564.754713, "bytes_per_sec": 1809697.1596233496 }, "ffi": { "benchmark_name": "compress/level22/decodecorpus-z000033/matrix/c_ffi", "ms_per_iter": 263.158142, "bytes_per_sec": 3883729.3508479022 } }, "rust_ms_per_iter": 564.754713, "ffi_ms_per_iter": 263.158142, "rust_bytes_per_sec": 1809697.1596233496, "ffi_bytes_per_sec": 3883729.3508479022, "delta_rust_over_ffi": 0.4659689170225658, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=compress, level=level4-row", "scenario": "decodecorpus-z000033", "params": { "stage": "compress", "level": "level4-row", "source": null }, "target": "i686-gnu", "input_bytes": 1022035, "ratio": { "rust": 0.527782, "ffi": 0.514819, "delta_rust_over_ffi": 1.0251797233590834, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level4-row/decodecorpus-z000033/matrix/pure_rust", "ms_per_iter": 84.474587, "bytes_per_sec": 12098727.39596821 }, "ffi": { "benchmark_name": "compress/level4-row/decodecorpus-z000033/matrix/c_ffi", "ms_per_iter": 12.042739, "bytes_per_sec": 84867321.29625994 } }, "rust_ms_per_iter": 84.474587, "ffi_ms_per_iter": 12.042739, "rust_bytes_per_sec": 12098727.39596821, "ffi_bytes_per_sec": 84867321.29625994, "delta_rust_over_ffi": 0.14256049573820348, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=best, source=c_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "best", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/decodecorpus-z000033/c_stream/matrix/pure_rust", "ms_per_iter": 8.510709, "bytes_per_sec": 120088114.86798574 }, "ffi": { "benchmark_name": "decompress/best/decodecorpus-z000033/c_stream/matrix/c_ffi", "ms_per_iter": 2.286186, "bytes_per_sec": 447048052.9580708 } }, "rust_ms_per_iter": 8.510709, "ffi_ms_per_iter": 2.286186, "rust_bytes_per_sec": 120088114.86798574, "ffi_bytes_per_sec": 447048052.9580708, "delta_rust_over_ffi": 0.26862462340094106, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=best, source=rust_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "best", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/decodecorpus-z000033/rust_stream/matrix/pure_rust", "ms_per_iter": 9.055764, "bytes_per_sec": 112860162.8752693 }, "ffi": { "benchmark_name": "decompress/best/decodecorpus-z000033/rust_stream/matrix/c_ffi", "ms_per_iter": 2.56583, "bytes_per_sec": 398325298.2465713 } }, "rust_ms_per_iter": 9.055764, "ffi_ms_per_iter": 2.56583, "rust_bytes_per_sec": 112860162.8752693, "ffi_bytes_per_sec": 398325298.2465713, "delta_rust_over_ffi": 0.2833366682258946, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=better, source=c_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "better", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/decodecorpus-z000033/c_stream/matrix/pure_rust", "ms_per_iter": 8.642504, "bytes_per_sec": 118256815.3859113 }, "ffi": { "benchmark_name": "decompress/better/decodecorpus-z000033/c_stream/matrix/c_ffi", "ms_per_iter": 2.324213, "bytes_per_sec": 439733793.76158726 } }, "rust_ms_per_iter": 8.642504, "ffi_ms_per_iter": 2.324213, "rust_bytes_per_sec": 118256815.3859113, "ffi_bytes_per_sec": 439733793.76158726, "delta_rust_over_ffi": 0.2689281948842604, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=better, source=rust_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "better", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/decodecorpus-z000033/rust_stream/matrix/pure_rust", "ms_per_iter": 9.104249, "bytes_per_sec": 112259122.08684099 }, "ffi": { "benchmark_name": "decompress/better/decodecorpus-z000033/rust_stream/matrix/c_ffi", "ms_per_iter": 2.588911, "bytes_per_sec": 394774096.1354021 } }, "rust_ms_per_iter": 9.104249, "ffi_ms_per_iter": 2.588911, "rust_bytes_per_sec": 112259122.08684099, "ffi_bytes_per_sec": 394774096.1354021, "delta_rust_over_ffi": 0.2843629386674288, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=default, source=c_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "default", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/decodecorpus-z000033/c_stream/matrix/pure_rust", "ms_per_iter": 8.886682, "bytes_per_sec": 115007490.98482426 }, "ffi": { "benchmark_name": "decompress/default/decodecorpus-z000033/c_stream/matrix/c_ffi", "ms_per_iter": 2.383889, "bytes_per_sec": 428725918.02722365 } }, "rust_ms_per_iter": 8.886682, "ffi_ms_per_iter": 2.383889, "rust_bytes_per_sec": 115007490.98482426, "ffi_bytes_per_sec": 428725918.02722365, "delta_rust_over_ffi": 0.268254113289977, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=default, source=rust_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "default", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/decodecorpus-z000033/rust_stream/matrix/pure_rust", "ms_per_iter": 8.44624, "bytes_per_sec": 121004731.09928206 }, "ffi": { "benchmark_name": "decompress/default/decodecorpus-z000033/rust_stream/matrix/c_ffi", "ms_per_iter": 2.226784, "bytes_per_sec": 458973569.0574389 } }, "rust_ms_per_iter": 8.44624, "ffi_ms_per_iter": 2.226784, "rust_bytes_per_sec": 121004731.09928206, "ffi_bytes_per_sec": 458973569.0574389, "delta_rust_over_ffi": 0.26364204663850427, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=fastest, source=c_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "fastest", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/decodecorpus-z000033/c_stream/matrix/pure_rust", "ms_per_iter": 8.785995, "bytes_per_sec": 116325470.25123507 }, "ffi": { "benchmark_name": "decompress/fastest/decodecorpus-z000033/c_stream/matrix/c_ffi", "ms_per_iter": 2.243722, "bytes_per_sec": 455508748.410008 } }, "rust_ms_per_iter": 8.785995, "ffi_ms_per_iter": 2.243722, "rust_bytes_per_sec": 116325470.25123507, "ffi_bytes_per_sec": 455508748.410008, "delta_rust_over_ffi": 0.25537483233259295, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=fastest, source=rust_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "fastest", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/decodecorpus-z000033/rust_stream/matrix/pure_rust", "ms_per_iter": 9.115103, "bytes_per_sec": 112125447.18364675 }, "ffi": { "benchmark_name": "decompress/fastest/decodecorpus-z000033/rust_stream/matrix/c_ffi", "ms_per_iter": 2.388129, "bytes_per_sec": 427964737.24828094 } }, "rust_ms_per_iter": 9.115103, "ffi_ms_per_iter": 2.388129, "rust_bytes_per_sec": 112125447.18364675, "ffi_bytes_per_sec": 427964737.24828094, "delta_rust_over_ffi": 0.26199692971105215, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=level22, source=c_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "level22", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/decodecorpus-z000033/c_stream/matrix/pure_rust", "ms_per_iter": 10.051697, "bytes_per_sec": 101677855.98789936 }, "ffi": { "benchmark_name": "decompress/level22/decodecorpus-z000033/c_stream/matrix/c_ffi", "ms_per_iter": 3.661857, "bytes_per_sec": 279102925.10057056 } }, "rust_ms_per_iter": 10.051697, "ffi_ms_per_iter": 3.661857, "rust_bytes_per_sec": 101677855.98789936, "ffi_bytes_per_sec": 279102925.10057056, "delta_rust_over_ffi": 0.364302366058189, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=level22, source=rust_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "level22", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/decodecorpus-z000033/rust_stream/matrix/pure_rust", "ms_per_iter": 10.270279, "bytes_per_sec": 99513849.62375413 }, "ffi": { "benchmark_name": "decompress/level22/decodecorpus-z000033/rust_stream/matrix/c_ffi", "ms_per_iter": 3.775986, "bytes_per_sec": 270667052.26131666 } }, "rust_ms_per_iter": 10.270279, "ffi_ms_per_iter": 3.775986, "rust_bytes_per_sec": 99513849.62375413, "ffi_bytes_per_sec": 270667052.26131666, "delta_rust_over_ffi": 0.36766148222458217, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=level4-row, source=c_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "level4-row", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/decodecorpus-z000033/c_stream/matrix/pure_rust", "ms_per_iter": 8.914368, "bytes_per_sec": 114650303.86898994 }, "ffi": { "benchmark_name": "decompress/level4-row/decodecorpus-z000033/c_stream/matrix/c_ffi", "ms_per_iter": 2.391702, "bytes_per_sec": 427325394.21717256 } }, "rust_ms_per_iter": 8.914368, "ffi_ms_per_iter": 2.391702, "rust_bytes_per_sec": 114650303.86898994, "ffi_bytes_per_sec": 427325394.21717256, "delta_rust_over_ffi": 0.26829742725451766, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=level4-row, source=rust_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "level4-row", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/decodecorpus-z000033/rust_stream/matrix/pure_rust", "ms_per_iter": 8.330955, "bytes_per_sec": 122679212.64728954 }, "ffi": { "benchmark_name": "decompress/level4-row/decodecorpus-z000033/rust_stream/matrix/c_ffi", "ms_per_iter": 2.167689, "bytes_per_sec": 471485992.6862202 } }, "rust_ms_per_iter": 8.330955, "ffi_ms_per_iter": 2.167689, "rust_bytes_per_sec": 122679212.64728954, "ffi_bytes_per_sec": 471485992.6862202, "delta_rust_over_ffi": 0.260196940206735, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=compress, level=best", "scenario": "high-entropy-1m", "params": { "stage": "compress", "level": "best", "source": null }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": 1.000038, "ffi": 1.000038, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/best/high-entropy-1m/matrix/pure_rust", "ms_per_iter": 3.608774, "bytes_per_sec": 290562944.64546686 }, "ffi": { "benchmark_name": "compress/best/high-entropy-1m/matrix/c_ffi", "ms_per_iter": 2.918619, "bytes_per_sec": 359271285.494955 } }, "rust_ms_per_iter": 3.608774, "ffi_ms_per_iter": 2.918619, "rust_bytes_per_sec": 290562944.64546686, "ffi_bytes_per_sec": 359271285.494955, "delta_rust_over_ffi": 0.8087563809759214, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=compress, level=better", "scenario": "high-entropy-1m", "params": { "stage": "compress", "level": "better", "source": null }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": 1.000038, "ffi": 1.000038, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/better/high-entropy-1m/matrix/pure_rust", "ms_per_iter": 2.970915, "bytes_per_sec": 352947156.0108586 }, "ffi": { "benchmark_name": "compress/better/high-entropy-1m/matrix/c_ffi", "ms_per_iter": 1.822202, "bytes_per_sec": 575444434.8101912 } }, "rust_ms_per_iter": 2.970915, "ffi_ms_per_iter": 1.822202, "rust_bytes_per_sec": 352947156.0108586, "ffi_bytes_per_sec": 575444434.8101912, "delta_rust_over_ffi": 0.613347066476153, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=compress, level=default", "scenario": "high-entropy-1m", "params": { "stage": "compress", "level": "default", "source": null }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": 1.000038, "ffi": 1.000038, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/default/high-entropy-1m/matrix/pure_rust", "ms_per_iter": 9.013629, "bytes_per_sec": 116332278.59722205 }, "ffi": { "benchmark_name": "compress/default/high-entropy-1m/matrix/c_ffi", "ms_per_iter": 0.906797, "bytes_per_sec": 1156351421.541977 } }, "rust_ms_per_iter": 9.013629, "ffi_ms_per_iter": 0.906797, "rust_bytes_per_sec": 116332278.59722205, "ffi_bytes_per_sec": 1156351421.541977, "delta_rust_over_ffi": 0.10060287593376652, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=compress, level=fastest", "scenario": "high-entropy-1m", "params": { "stage": "compress", "level": "fastest", "source": null }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": 1.000039, "ffi": 1.000039, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/fastest/high-entropy-1m/matrix/pure_rust", "ms_per_iter": 1.92042, "bytes_per_sec": 546013892.7942846 }, "ffi": { "benchmark_name": "compress/fastest/high-entropy-1m/matrix/c_ffi", "ms_per_iter": 0.741747, "bytes_per_sec": 1413657217.3530865 } }, "rust_ms_per_iter": 1.92042, "ffi_ms_per_iter": 0.741747, "rust_bytes_per_sec": 546013892.7942846, "ffi_bytes_per_sec": 1413657217.3530865, "delta_rust_over_ffi": 0.3862420720467398, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=compress, level=level22", "scenario": "high-entropy-1m", "params": { "stage": "compress", "level": "level22", "source": null }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": 1.000038, "ffi": 1.000038, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level22/high-entropy-1m/matrix/pure_rust", "ms_per_iter": 6.60111, "bytes_per_sec": 158848436.09635347 }, "ffi": { "benchmark_name": "compress/level22/high-entropy-1m/matrix/c_ffi", "ms_per_iter": 54.589523, "bytes_per_sec": 19208374.47141643 } }, "rust_ms_per_iter": 6.60111, "ffi_ms_per_iter": 54.589523, "rust_bytes_per_sec": 158848436.09635347, "ffi_bytes_per_sec": 19208374.47141643, "delta_rust_over_ffi": 8.26974902705757, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=compress, level=level4-row", "scenario": "high-entropy-1m", "params": { "stage": "compress", "level": "level4-row", "source": null }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": 1.000038, "ffi": 1.000038, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level4-row/high-entropy-1m/matrix/pure_rust", "ms_per_iter": 3.278236, "bytes_per_sec": 319859827.0533299 }, "ffi": { "benchmark_name": "compress/level4-row/high-entropy-1m/matrix/c_ffi", "ms_per_iter": 1.290544, "bytes_per_sec": 812506973.8032955 } }, "rust_ms_per_iter": 3.278236, "ffi_ms_per_iter": 1.290544, "rust_bytes_per_sec": 319859827.0533299, "ffi_bytes_per_sec": 812506973.8032955, "delta_rust_over_ffi": 0.39367025436850783, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=best, source=c_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "best", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/high-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.510052, "bytes_per_sec": 2055821759.350027 }, "ffi": { "benchmark_name": "decompress/best/high-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.535019, "bytes_per_sec": 1959885536.775329 } }, "rust_ms_per_iter": 0.510052, "ffi_ms_per_iter": 0.535019, "rust_bytes_per_sec": 2055821759.350027, "ffi_bytes_per_sec": 1959885536.775329, "delta_rust_over_ffi": 1.048949910989468, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=best, source=rust_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "best", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/high-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.508269, "bytes_per_sec": 2063033551.1313891 }, "ffi": { "benchmark_name": "decompress/best/high-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.535883, "bytes_per_sec": 1956725628.542051 } }, "rust_ms_per_iter": 0.508269, "ffi_ms_per_iter": 0.535883, "rust_bytes_per_sec": 2063033551.1313891, "ffi_bytes_per_sec": 1956725628.542051, "delta_rust_over_ffi": 1.0543294987496779, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=better, source=c_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "better", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/high-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.500092, "bytes_per_sec": 2096766195.0201166 }, "ffi": { "benchmark_name": "decompress/better/high-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.53521, "bytes_per_sec": 1959186113.8618488 } }, "rust_ms_per_iter": 0.500092, "ffi_ms_per_iter": 0.53521, "rust_bytes_per_sec": 2096766195.0201166, "ffi_bytes_per_sec": 1959186113.8618488, "delta_rust_over_ffi": 1.0702230789534726, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=better, source=rust_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "better", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/high-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.500288, "bytes_per_sec": 2095944735.8321607 }, "ffi": { "benchmark_name": "decompress/better/high-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.535084, "bytes_per_sec": 1959647457.22167 } }, "rust_ms_per_iter": 0.500288, "ffi_ms_per_iter": 0.535084, "rust_bytes_per_sec": 2095944735.8321607, "ffi_bytes_per_sec": 1959647457.22167, "delta_rust_over_ffi": 1.0695519380836638, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=default, source=c_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "default", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/high-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.499255, "bytes_per_sec": 2100281419.314779 }, "ffi": { "benchmark_name": "decompress/default/high-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.535081, "bytes_per_sec": 1959658444.2355454 } }, "rust_ms_per_iter": 0.499255, "ffi_ms_per_iter": 0.535081, "rust_bytes_per_sec": 2100281419.314779, "ffi_bytes_per_sec": 1959658444.2355454, "delta_rust_over_ffi": 1.0717589207919802, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=default, source=rust_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "default", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/high-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.501993, "bytes_per_sec": 2088825939.8039412 }, "ffi": { "benchmark_name": "decompress/default/high-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.535176, "bytes_per_sec": 1959310581.9393995 } }, "rust_ms_per_iter": 0.501993, "ffi_ms_per_iter": 0.535176, "rust_bytes_per_sec": 2088825939.8039412, "ffi_bytes_per_sec": 1959310581.9393995, "delta_rust_over_ffi": 1.0661025153737202, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=fastest, source=c_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "fastest", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/high-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.507361, "bytes_per_sec": 2066725664.7633543 }, "ffi": { "benchmark_name": "decompress/fastest/high-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.534857, "bytes_per_sec": 1960479156.1108856 } }, "rust_ms_per_iter": 0.507361, "ffi_ms_per_iter": 0.534857, "rust_bytes_per_sec": 2066725664.7633543, "ffi_bytes_per_sec": 1960479156.1108856, "delta_rust_over_ffi": 1.0541941536696753, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=fastest, source=rust_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "fastest", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/high-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.50663, "bytes_per_sec": 2069707676.2134101 }, "ffi": { "benchmark_name": "decompress/fastest/high-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.536103, "bytes_per_sec": 1955922649.1924126 } }, "rust_ms_per_iter": 0.50663, "ffi_ms_per_iter": 0.536103, "rust_bytes_per_sec": 2069707676.2134101, "ffi_bytes_per_sec": 1955922649.1924126, "delta_rust_over_ffi": 1.0581746047411327, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=level22, source=c_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "level22", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/high-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.512314, "bytes_per_sec": 2046744769.8091402 }, "ffi": { "benchmark_name": "decompress/level22/high-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.535224, "bytes_per_sec": 1959134866.8968506 } }, "rust_ms_per_iter": 0.512314, "ffi_ms_per_iter": 0.535224, "rust_bytes_per_sec": 2046744769.8091402, "ffi_bytes_per_sec": 1959134866.8968506, "delta_rust_over_ffi": 1.0447186686290049, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=level22, source=rust_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "level22", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/high-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.50954, "bytes_per_sec": 2057887506.378302 }, "ffi": { "benchmark_name": "decompress/level22/high-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.53566, "bytes_per_sec": 1957540230.743382 } }, "rust_ms_per_iter": 0.50954, "ffi_ms_per_iter": 0.53566, "rust_bytes_per_sec": 2057887506.378302, "ffi_bytes_per_sec": 1957540230.743382, "delta_rust_over_ffi": 1.05126192251835, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=level4-row, source=c_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "level4-row", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/high-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.50895, "bytes_per_sec": 2060273111.307594 }, "ffi": { "benchmark_name": "decompress/level4-row/high-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.53596, "bytes_per_sec": 1956444510.7843866 } }, "rust_ms_per_iter": 0.50895, "ffi_ms_per_iter": 0.53596, "rust_bytes_per_sec": 2060273111.307594, "ffi_bytes_per_sec": 1956444510.7843866, "delta_rust_over_ffi": 1.0530700461734945, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=level4-row, source=rust_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "level4-row", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/high-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.500423, "bytes_per_sec": 2095379309.104498 }, "ffi": { "benchmark_name": "decompress/level4-row/high-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.534935, "bytes_per_sec": 1960193294.512417 } }, "rust_ms_per_iter": 0.500423, "ffi_ms_per_iter": 0.534935, "rust_bytes_per_sec": 2095379309.104498, "ffi_bytes_per_sec": 1960193294.512417, "delta_rust_over_ffi": 1.068965655055823, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=compress, level=best", "scenario": "large-log-stream", "params": { "stage": "compress", "level": "best", "source": null }, "target": "i686-gnu", "input_bytes": 16777216, "ratio": { "rust": 9.3e-05, "ffi": 0.000184, "delta_rust_over_ffi": 0.5054347826086957, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/best/large-log-stream/matrix/pure_rust", "ms_per_iter": 99.72332, "bytes_per_sec": 168237639.90208107 }, "ffi": { "benchmark_name": "compress/best/large-log-stream/matrix/c_ffi", "ms_per_iter": 33.284211, "bytes_per_sec": 504059297.0643047 } }, "rust_ms_per_iter": 99.72332, "ffi_ms_per_iter": 33.284211, "rust_bytes_per_sec": 168237639.90208107, "ffi_bytes_per_sec": 504059297.0643047, "delta_rust_over_ffi": 0.33376557258623163, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=compress, level=better", "scenario": "large-log-stream", "params": { "stage": "compress", "level": "better", "source": null }, "target": "i686-gnu", "input_bytes": 16777216, "ratio": { "rust": 9.3e-05, "ffi": 0.000101, "delta_rust_over_ffi": 0.9207920792079207, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/better/large-log-stream/matrix/pure_rust", "ms_per_iter": 96.720017, "bytes_per_sec": 173461673.3990028 }, "ffi": { "benchmark_name": "compress/better/large-log-stream/matrix/c_ffi", "ms_per_iter": 25.519028, "bytes_per_sec": 657439460.4684787 } }, "rust_ms_per_iter": 96.720017, "ffi_ms_per_iter": 25.519028, "rust_bytes_per_sec": 173461673.3990028, "ffi_bytes_per_sec": 657439460.4684787, "delta_rust_over_ffi": 0.2638443291423325, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=compress, level=default", "scenario": "large-log-stream", "params": { "stage": "compress", "level": "default", "source": null }, "target": "i686-gnu", "input_bytes": 16777216, "ratio": { "rust": 9.3e-05, "ffi": 0.000101, "delta_rust_over_ffi": 0.9207920792079207, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/default/large-log-stream/matrix/pure_rust", "ms_per_iter": 189.55179, "bytes_per_sec": 88509931.77115342 }, "ffi": { "benchmark_name": "compress/default/large-log-stream/matrix/c_ffi", "ms_per_iter": 12.488482, "bytes_per_sec": 1343415156.4617703 } }, "rust_ms_per_iter": 189.55179, "ffi_ms_per_iter": 12.488482, "rust_bytes_per_sec": 88509931.77115342, "ffi_bytes_per_sec": 1343415156.4617703, "delta_rust_over_ffi": 0.06588427363307937, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=compress, level=fastest", "scenario": "large-log-stream", "params": { "stage": "compress", "level": "fastest", "source": null }, "target": "i686-gnu", "input_bytes": 16777216, "ratio": { "rust": 0.0009, "ffi": 0.000101, "delta_rust_over_ffi": 8.91089108910891, "status": "rust_worse_larger", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/fastest/large-log-stream/matrix/pure_rust", "ms_per_iter": 41.667989, "bytes_per_sec": 402640405.80408144 }, "ffi": { "benchmark_name": "compress/fastest/large-log-stream/matrix/c_ffi", "ms_per_iter": 11.69106, "bytes_per_sec": 1435046608.263066 } }, "rust_ms_per_iter": 41.667989, "ffi_ms_per_iter": 11.69106, "rust_bytes_per_sec": 402640405.80408144, "ffi_bytes_per_sec": 1435046608.263066, "delta_rust_over_ffi": 0.2805765356230655, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=compress, level=level22", "scenario": "large-log-stream", "params": { "stage": "compress", "level": "level22", "source": null }, "target": "i686-gnu", "input_bytes": 16777216, "ratio": { "rust": 9.3e-05, "ffi": 9.3e-05, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level22/large-log-stream/matrix/pure_rust", "ms_per_iter": 49.398627, "bytes_per_sec": 339629196.5766579 }, "ffi": { "benchmark_name": "compress/level22/large-log-stream/matrix/c_ffi", "ms_per_iter": 53.342963, "bytes_per_sec": 314516012.1682779 } }, "rust_ms_per_iter": 49.398627, "ffi_ms_per_iter": 53.342963, "rust_bytes_per_sec": 339629196.5766579, "ffi_bytes_per_sec": 314516012.1682779, "delta_rust_over_ffi": 1.0798470775311226, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=compress, level=level4-row", "scenario": "large-log-stream", "params": { "stage": "compress", "level": "level4-row", "source": null }, "target": "i686-gnu", "input_bytes": 16777216, "ratio": { "rust": 9.3e-05, "ffi": 0.000101, "delta_rust_over_ffi": 0.9207920792079207, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level4-row/large-log-stream/matrix/pure_rust", "ms_per_iter": 162.242496, "bytes_per_sec": 103408271.03646138 }, "ffi": { "benchmark_name": "compress/level4-row/large-log-stream/matrix/c_ffi", "ms_per_iter": 13.208701, "bytes_per_sec": 1270163962.3760126 } }, "rust_ms_per_iter": 162.242496, "ffi_ms_per_iter": 13.208701, "rust_bytes_per_sec": 103408271.03646138, "ffi_bytes_per_sec": 1270163962.3760126, "delta_rust_over_ffi": 0.08141332465693822, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=best, source=c_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "best", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/large-log-stream/c_stream/matrix/pure_rust", "ms_per_iter": 9.398922, "bytes_per_sec": 1785014919.7961211 }, "ffi": { "benchmark_name": "decompress/best/large-log-stream/c_stream/matrix/c_ffi", "ms_per_iter": 9.566512, "bytes_per_sec": 1753744311.406289 } }, "rust_ms_per_iter": 9.398922, "ffi_ms_per_iter": 9.566512, "rust_bytes_per_sec": 1785014919.7961211, "ffi_bytes_per_sec": 1753744311.406289, "delta_rust_over_ffi": 1.0178307682519334, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=best, source=rust_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "best", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/large-log-stream/rust_stream/matrix/pure_rust", "ms_per_iter": 9.181247, "bytes_per_sec": 1827335219.279037 }, "ffi": { "benchmark_name": "decompress/best/large-log-stream/rust_stream/matrix/c_ffi", "ms_per_iter": 9.346967, "bytes_per_sec": 1794936903.06171 } }, "rust_ms_per_iter": 9.181247, "ffi_ms_per_iter": 9.346967, "rust_bytes_per_sec": 1827335219.279037, "ffi_bytes_per_sec": 1794936903.06171, "delta_rust_over_ffi": 1.0180498357140375, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=better, source=c_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "better", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/large-log-stream/c_stream/matrix/pure_rust", "ms_per_iter": 9.022968, "bytes_per_sec": 1859389947.963907 }, "ffi": { "benchmark_name": "decompress/better/large-log-stream/c_stream/matrix/c_ffi", "ms_per_iter": 9.520916, "bytes_per_sec": 1762143054.3027585 } }, "rust_ms_per_iter": 9.022968, "ffi_ms_per_iter": 9.520916, "rust_bytes_per_sec": 1859389947.963907, "ffi_bytes_per_sec": 1762143054.3027585, "delta_rust_over_ffi": 1.0551867190485433, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=better, source=rust_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "better", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/large-log-stream/rust_stream/matrix/pure_rust", "ms_per_iter": 9.308643, "bytes_per_sec": 1802326719.3725228 }, "ffi": { "benchmark_name": "decompress/better/large-log-stream/rust_stream/matrix/c_ffi", "ms_per_iter": 9.206825, "bytes_per_sec": 1822258596.204446 } }, "rust_ms_per_iter": 9.308643, "ffi_ms_per_iter": 9.206825, "rust_bytes_per_sec": 1802326719.3725228, "ffi_bytes_per_sec": 1822258596.204446, "delta_rust_over_ffi": 0.9890619932464915, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=default, source=c_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "default", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/large-log-stream/c_stream/matrix/pure_rust", "ms_per_iter": 9.035249, "bytes_per_sec": 1856862605.5574117 }, "ffi": { "benchmark_name": "decompress/default/large-log-stream/c_stream/matrix/c_ffi", "ms_per_iter": 9.544951, "bytes_per_sec": 1757705827.929342 } }, "rust_ms_per_iter": 9.035249, "ffi_ms_per_iter": 9.544951, "rust_bytes_per_sec": 1856862605.5574117, "ffi_bytes_per_sec": 1757705827.929342, "delta_rust_over_ffi": 1.056412612424959, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=default, source=rust_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "default", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/large-log-stream/rust_stream/matrix/pure_rust", "ms_per_iter": 9.081957, "bytes_per_sec": 1847312864.3969576 }, "ffi": { "benchmark_name": "decompress/default/large-log-stream/rust_stream/matrix/c_ffi", "ms_per_iter": 9.201086, "bytes_per_sec": 1823395194.8715618 } }, "rust_ms_per_iter": 9.081957, "ffi_ms_per_iter": 9.201086, "rust_bytes_per_sec": 1847312864.3969576, "ffi_bytes_per_sec": 1823395194.8715618, "delta_rust_over_ffi": 1.0131171068085878, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=fastest, source=c_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "fastest", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/large-log-stream/c_stream/matrix/pure_rust", "ms_per_iter": 9.002147, "bytes_per_sec": 1863690517.384353 }, "ffi": { "benchmark_name": "decompress/fastest/large-log-stream/c_stream/matrix/c_ffi", "ms_per_iter": 9.545189, "bytes_per_sec": 1757662001.2448153 } }, "rust_ms_per_iter": 9.002147, "ffi_ms_per_iter": 9.545189, "rust_bytes_per_sec": 1863690517.384353, "ffi_bytes_per_sec": 1757662001.2448153, "delta_rust_over_ffi": 1.0603236094678306, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=fastest, source=rust_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "fastest", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/large-log-stream/rust_stream/matrix/pure_rust", "ms_per_iter": 9.103275, "bytes_per_sec": 1842986837.1547604 }, "ffi": { "benchmark_name": "decompress/fastest/large-log-stream/rust_stream/matrix/c_ffi", "ms_per_iter": 9.533307, "bytes_per_sec": 1759852693.2993972 } }, "rust_ms_per_iter": 9.103275, "ffi_ms_per_iter": 9.533307, "rust_bytes_per_sec": 1842986837.1547604, "ffi_bytes_per_sec": 1759852693.2993972, "delta_rust_over_ffi": 1.0472392627927865, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=level22, source=c_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "level22", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/large-log-stream/c_stream/matrix/pure_rust", "ms_per_iter": 8.898684, "bytes_per_sec": 1885359228.3982668 }, "ffi": { "benchmark_name": "decompress/level22/large-log-stream/c_stream/matrix/c_ffi", "ms_per_iter": 9.333181, "bytes_per_sec": 1797588196.350205 } }, "rust_ms_per_iter": 8.898684, "ffi_ms_per_iter": 9.333181, "rust_bytes_per_sec": 1885359228.3982668, "ffi_bytes_per_sec": 1797588196.350205, "delta_rust_over_ffi": 1.0488271074689246, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=level22, source=rust_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "level22", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/large-log-stream/rust_stream/matrix/pure_rust", "ms_per_iter": 8.687489, "bytes_per_sec": 1931192776.1865368 }, "ffi": { "benchmark_name": "decompress/level22/large-log-stream/rust_stream/matrix/c_ffi", "ms_per_iter": 9.287877, "bytes_per_sec": 1806356393.3932374 } }, "rust_ms_per_iter": 8.687489, "ffi_ms_per_iter": 9.287877, "rust_bytes_per_sec": 1931192776.1865368, "ffi_bytes_per_sec": 1806356393.3932374, "delta_rust_over_ffi": 1.0691094975774933, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=level4-row, source=c_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "level4-row", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/large-log-stream/c_stream/matrix/pure_rust", "ms_per_iter": 9.223392, "bytes_per_sec": 1818985466.5181746 }, "ffi": { "benchmark_name": "decompress/level4-row/large-log-stream/c_stream/matrix/c_ffi", "ms_per_iter": 9.578297, "bytes_per_sec": 1751586529.4216707 } }, "rust_ms_per_iter": 9.223392, "ffi_ms_per_iter": 9.578297, "rust_bytes_per_sec": 1818985466.5181746, "ffi_bytes_per_sec": 1751586529.4216707, "delta_rust_over_ffi": 1.0384787939187665, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=level4-row, source=rust_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "level4-row", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/large-log-stream/rust_stream/matrix/pure_rust", "ms_per_iter": 9.173608, "bytes_per_sec": 1828856868.5298085 }, "ffi": { "benchmark_name": "decompress/level4-row/large-log-stream/rust_stream/matrix/c_ffi", "ms_per_iter": 9.493954, "bytes_per_sec": 1767147386.642067 } }, "rust_ms_per_iter": 9.173608, "ffi_ms_per_iter": 9.493954, "rust_bytes_per_sec": 1828856868.5298085, "ffi_bytes_per_sec": 1767147386.642067, "delta_rust_over_ffi": 1.0349203933719426, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=compress, level=best", "scenario": "low-entropy-1m", "params": { "stage": "compress", "level": "best", "source": null }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": 0.000143, "ffi": 0.000154, "delta_rust_over_ffi": 0.9285714285714286, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/best/low-entropy-1m/matrix/pure_rust", "ms_per_iter": 6.937634, "bytes_per_sec": 151143170.71209005 }, "ffi": { "benchmark_name": "compress/best/low-entropy-1m/matrix/c_ffi", "ms_per_iter": 3.106803, "bytes_per_sec": 337509652.20517683 } }, "rust_ms_per_iter": 6.937634, "ffi_ms_per_iter": 3.106803, "rust_bytes_per_sec": 151143170.71209005, "ffi_bytes_per_sec": 337509652.20517683, "delta_rust_over_ffi": 0.4478188096979461, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=compress, level=better", "scenario": "low-entropy-1m", "params": { "stage": "compress", "level": "better", "source": null }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": 0.000143, "ffi": 0.000154, "delta_rust_over_ffi": 0.9285714285714286, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/better/low-entropy-1m/matrix/pure_rust", "ms_per_iter": 5.889887, "bytes_per_sec": 178029901.08299193 }, "ffi": { "benchmark_name": "compress/better/low-entropy-1m/matrix/c_ffi", "ms_per_iter": 1.952329, "bytes_per_sec": 537089804.0238096 } }, "rust_ms_per_iter": 5.889887, "ffi_ms_per_iter": 1.952329, "rust_bytes_per_sec": 178029901.08299193, "ffi_bytes_per_sec": 537089804.0238096, "delta_rust_over_ffi": 0.3314713847651067, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=compress, level=default", "scenario": "low-entropy-1m", "params": { "stage": "compress", "level": "default", "source": null }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": 0.000143, "ffi": 0.000154, "delta_rust_over_ffi": 0.9285714285714286, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/default/low-entropy-1m/matrix/pure_rust", "ms_per_iter": 15.780677, "bytes_per_sec": 66446832.41409732 }, "ffi": { "benchmark_name": "compress/default/low-entropy-1m/matrix/c_ffi", "ms_per_iter": 0.750927, "bytes_per_sec": 1396375413.3224669 } }, "rust_ms_per_iter": 15.780677, "ffi_ms_per_iter": 0.750927, "rust_bytes_per_sec": 66446832.41409732, "ffi_bytes_per_sec": 1396375413.3224669, "delta_rust_over_ffi": 0.047585220836850024, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=compress, level=fastest", "scenario": "low-entropy-1m", "params": { "stage": "compress", "level": "fastest", "source": null }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": 0.000324, "ffi": 0.000155, "delta_rust_over_ffi": 2.0903225806451613, "status": "rust_worse_larger", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/fastest/low-entropy-1m/matrix/pure_rust", "ms_per_iter": 2.453906, "bytes_per_sec": 427308951.52463055 }, "ffi": { "benchmark_name": "compress/fastest/low-entropy-1m/matrix/c_ffi", "ms_per_iter": 0.725198, "bytes_per_sec": 1445916839.2632082 } }, "rust_ms_per_iter": 2.453906, "ffi_ms_per_iter": 0.725198, "rust_bytes_per_sec": 427308951.52463055, "ffi_bytes_per_sec": 1445916839.2632082, "delta_rust_over_ffi": 0.2955280275609579, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=compress, level=level22", "scenario": "low-entropy-1m", "params": { "stage": "compress", "level": "level22", "source": null }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": 0.000143, "ffi": 0.000143, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level22/low-entropy-1m/matrix/pure_rust", "ms_per_iter": 2.097594, "bytes_per_sec": 499894641.19367236 }, "ffi": { "benchmark_name": "compress/level22/low-entropy-1m/matrix/c_ffi", "ms_per_iter": 2.825333, "bytes_per_sec": 371133597.34940976 } }, "rust_ms_per_iter": 2.097594, "ffi_ms_per_iter": 2.825333, "rust_bytes_per_sec": 499894641.19367236, "ffi_bytes_per_sec": 371133597.34940976, "delta_rust_over_ffi": 1.3469398749233648, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=compress, level=level4-row", "scenario": "low-entropy-1m", "params": { "stage": "compress", "level": "level4-row", "source": null }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": 0.000143, "ffi": 0.000154, "delta_rust_over_ffi": 0.9285714285714286, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level4-row/low-entropy-1m/matrix/pure_rust", "ms_per_iter": 10.234306, "bytes_per_sec": 102456971.67936936 }, "ffi": { "benchmark_name": "compress/level4-row/low-entropy-1m/matrix/c_ffi", "ms_per_iter": 0.7613, "bytes_per_sec": 1377349270.9838433 } }, "rust_ms_per_iter": 10.234306, "ffi_ms_per_iter": 0.7613, "rust_bytes_per_sec": 102456971.67936936, "ffi_bytes_per_sec": 1377349270.9838433, "delta_rust_over_ffi": 0.07438706640196219, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=best, source=c_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "best", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/low-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.987899, "bytes_per_sec": 1061420246.401707 }, "ffi": { "benchmark_name": "decompress/best/low-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.698327, "bytes_per_sec": 1501554429.3719132 } }, "rust_ms_per_iter": 0.987899, "ffi_ms_per_iter": 0.698327, "rust_bytes_per_sec": 1061420246.401707, "ffi_bytes_per_sec": 1501554429.3719132, "delta_rust_over_ffi": 0.7068809665765428, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=best, source=rust_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "best", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/low-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.988191, "bytes_per_sec": 1061106607.9330817 }, "ffi": { "benchmark_name": "decompress/best/low-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.657614, "bytes_per_sec": 1594515931.838434 } }, "rust_ms_per_iter": 0.988191, "ffi_ms_per_iter": 0.657614, "rust_bytes_per_sec": 1061106607.9330817, "ffi_bytes_per_sec": 1594515931.838434, "delta_rust_over_ffi": 0.6654725655263001, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=better, source=c_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "better", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/low-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.987138, "bytes_per_sec": 1062238511.7379738 }, "ffi": { "benchmark_name": "decompress/better/low-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.698151, "bytes_per_sec": 1501932962.9263585 } }, "rust_ms_per_iter": 0.987138, "ffi_ms_per_iter": 0.698151, "rust_bytes_per_sec": 1062238511.7379738, "ffi_bytes_per_sec": 1501932962.9263585, "delta_rust_over_ffi": 0.7072476188739568, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=better, source=rust_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "better", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/low-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.99115, "bytes_per_sec": 1057938758.0083742 }, "ffi": { "benchmark_name": "decompress/better/low-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.656641, "bytes_per_sec": 1596878659.7242632 } }, "rust_ms_per_iter": 0.99115, "ffi_ms_per_iter": 0.656641, "rust_bytes_per_sec": 1057938758.0083742, "ffi_bytes_per_sec": 1596878659.7242632, "delta_rust_over_ffi": 0.6625041618322153, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=default, source=c_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "default", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/low-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.980464, "bytes_per_sec": 1069469149.3007394 }, "ffi": { "benchmark_name": "decompress/default/low-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.698618, "bytes_per_sec": 1500928976.923011 } }, "rust_ms_per_iter": 0.980464, "ffi_ms_per_iter": 0.698618, "rust_bytes_per_sec": 1069469149.3007394, "ffi_bytes_per_sec": 1500928976.923011, "delta_rust_over_ffi": 0.7125381452047194, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=default, source=rust_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "default", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/low-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.987523, "bytes_per_sec": 1061824382.8245012 }, "ffi": { "benchmark_name": "decompress/default/low-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.656661, "bytes_per_sec": 1596830023.4062934 } }, "rust_ms_per_iter": 0.987523, "ffi_ms_per_iter": 0.656661, "rust_bytes_per_sec": 1061824382.8245012, "ffi_bytes_per_sec": 1596830023.4062934, "delta_rust_over_ffi": 0.6649576769351194, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=fastest, source=c_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "fastest", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/low-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.981187, "bytes_per_sec": 1068681097.4870232 }, "ffi": { "benchmark_name": "decompress/fastest/low-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.698271, "bytes_per_sec": 1501674851.1680996 } }, "rust_ms_per_iter": 0.981187, "ffi_ms_per_iter": 0.698271, "rust_bytes_per_sec": 1068681097.4870232, "ffi_bytes_per_sec": 1501674851.1680996, "delta_rust_over_ffi": 0.7116594492181407, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=fastest, source=rust_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "fastest", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/low-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.986219, "bytes_per_sec": 1063228349.8898318 }, "ffi": { "benchmark_name": "decompress/fastest/low-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.705184, "bytes_per_sec": 1486953759.5861504 } }, "rust_ms_per_iter": 0.986219, "ffi_ms_per_iter": 0.705184, "rust_bytes_per_sec": 1063228349.8898318, "ffi_bytes_per_sec": 1486953759.5861504, "delta_rust_over_ffi": 0.7150379378211128, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=level22, source=c_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "level22", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/low-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.985306, "bytes_per_sec": 1064213553.9619163 }, "ffi": { "benchmark_name": "decompress/level22/low-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.656898, "bytes_per_sec": 1596253908.5215666 } }, "rust_ms_per_iter": 0.985306, "ffi_ms_per_iter": 0.656898, "rust_bytes_per_sec": 1064213553.9619163, "ffi_bytes_per_sec": 1596253908.5215666, "delta_rust_over_ffi": 0.6666944076256512, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=level22, source=rust_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "level22", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/low-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.987917, "bytes_per_sec": 1061400907.1612291 }, "ffi": { "benchmark_name": "decompress/level22/low-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.657111, "bytes_per_sec": 1595736488.9645736 } }, "rust_ms_per_iter": 0.987917, "ffi_ms_per_iter": 0.657111, "rust_bytes_per_sec": 1061400907.1612291, "ffi_bytes_per_sec": 1595736488.9645736, "delta_rust_over_ffi": 0.6651479830795503, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=level4-row, source=c_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "level4-row", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/low-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.996567, "bytes_per_sec": 1052188161.9600086 }, "ffi": { "benchmark_name": "decompress/level4-row/low-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.698231, "bytes_per_sec": 1501760878.5631115 } }, "rust_ms_per_iter": 0.996567, "ffi_ms_per_iter": 0.698231, "rust_bytes_per_sec": 1052188161.9600086, "ffi_bytes_per_sec": 1501760878.5631115, "delta_rust_over_ffi": 0.7006362843642223, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=level4-row, source=rust_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "level4-row", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/low-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.98985, "bytes_per_sec": 1059328181.0375309 }, "ffi": { "benchmark_name": "decompress/level4-row/low-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.656934, "bytes_per_sec": 1596166433.7665582 } }, "rust_ms_per_iter": 0.98985, "ffi_ms_per_iter": 0.656934, "rust_bytes_per_sec": 1059328181.0375309, "ffi_bytes_per_sec": 1596166433.7665582, "delta_rust_over_ffi": 0.6636702530686467, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=compress, level=best", "scenario": "small-10k-random", "params": { "stage": "compress", "level": "best", "source": null }, "target": "i686-gnu", "input_bytes": 10240, "ratio": { "rust": 1.001367, "ffi": 1.001367, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/best/small-10k-random/matrix/pure_rust", "ms_per_iter": 0.12755, "bytes_per_sec": 80282242.25793807 }, "ffi": { "benchmark_name": "compress/best/small-10k-random/matrix/c_ffi", "ms_per_iter": 0.2084, "bytes_per_sec": 49136276.391554706 } }, "rust_ms_per_iter": 0.12755, "ffi_ms_per_iter": 0.2084, "rust_bytes_per_sec": 80282242.25793807, "ffi_bytes_per_sec": 49136276.391554706, "delta_rust_over_ffi": 1.6338690709525676, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=compress, level=better", "scenario": "small-10k-random", "params": { "stage": "compress", "level": "better", "source": null }, "target": "i686-gnu", "input_bytes": 10240, "ratio": { "rust": 1.001367, "ffi": 1.001367, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/better/small-10k-random/matrix/pure_rust", "ms_per_iter": 0.124648, "bytes_per_sec": 82151338.16828188 }, "ffi": { "benchmark_name": "compress/better/small-10k-random/matrix/c_ffi", "ms_per_iter": 0.026707, "bytes_per_sec": 383420077.1333358 } }, "rust_ms_per_iter": 0.124648, "ffi_ms_per_iter": 0.026707, "rust_bytes_per_sec": 82151338.16828188, "ffi_bytes_per_sec": 383420077.1333358, "delta_rust_over_ffi": 0.21425935434182658, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=compress, level=default", "scenario": "small-10k-random", "params": { "stage": "compress", "level": "default", "source": null }, "target": "i686-gnu", "input_bytes": 10240, "ratio": { "rust": 1.001367, "ffi": 1.001367, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/default/small-10k-random/matrix/pure_rust", "ms_per_iter": 0.416995, "bytes_per_sec": 24556649.36030408 }, "ffi": { "benchmark_name": "compress/default/small-10k-random/matrix/c_ffi", "ms_per_iter": 0.019076, "bytes_per_sec": 536800167.75005245 } }, "rust_ms_per_iter": 0.416995, "ffi_ms_per_iter": 0.019076, "rust_bytes_per_sec": 24556649.36030408, "ffi_bytes_per_sec": 536800167.75005245, "delta_rust_over_ffi": 0.045746351874722715, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=compress, level=fastest", "scenario": "small-10k-random", "params": { "stage": "compress", "level": "fastest", "source": null }, "target": "i686-gnu", "input_bytes": 10240, "ratio": { "rust": 1.001367, "ffi": 1.001367, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/fastest/small-10k-random/matrix/pure_rust", "ms_per_iter": 0.10852, "bytes_per_sec": 94360486.54625875 }, "ffi": { "benchmark_name": "compress/fastest/small-10k-random/matrix/c_ffi", "ms_per_iter": 0.01703, "bytes_per_sec": 601291837.9330592 } }, "rust_ms_per_iter": 0.10852, "ffi_ms_per_iter": 0.01703, "rust_bytes_per_sec": 94360486.54625875, "ffi_bytes_per_sec": 601291837.9330592, "delta_rust_over_ffi": 0.1569295982307409, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=compress, level=level22", "scenario": "small-10k-random", "params": { "stage": "compress", "level": "level22", "source": null }, "target": "i686-gnu", "input_bytes": 10240, "ratio": { "rust": 1.001367, "ffi": 1.001367, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level22/small-10k-random/matrix/pure_rust", "ms_per_iter": 0.129988, "bytes_per_sec": 78776502.44637968 }, "ffi": { "benchmark_name": "compress/level22/small-10k-random/matrix/c_ffi", "ms_per_iter": 0.511259, "bytes_per_sec": 20028987.264771868 } }, "rust_ms_per_iter": 0.129988, "ffi_ms_per_iter": 0.511259, "rust_bytes_per_sec": 78776502.44637968, "ffi_bytes_per_sec": 20028987.264771868, "delta_rust_over_ffi": 3.933124596116565, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=compress, level=level4-row", "scenario": "small-10k-random", "params": { "stage": "compress", "level": "level4-row", "source": null }, "target": "i686-gnu", "input_bytes": 10240, "ratio": { "rust": 1.001367, "ffi": 1.001367, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level4-row/small-10k-random/matrix/pure_rust", "ms_per_iter": 0.113285, "bytes_per_sec": 90391490.48859073 }, "ffi": { "benchmark_name": "compress/level4-row/small-10k-random/matrix/c_ffi", "ms_per_iter": 0.027104, "bytes_per_sec": 377804014.1676505 } }, "rust_ms_per_iter": 0.113285, "ffi_ms_per_iter": 0.027104, "rust_bytes_per_sec": 90391490.48859073, "ffi_bytes_per_sec": 377804014.1676505, "delta_rust_over_ffi": 0.2392549763869886, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=best, source=c_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "best", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/small-10k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.004905, "bytes_per_sec": 2087665647.298675 }, "ffi": { "benchmark_name": "decompress/best/small-10k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.005161, "bytes_per_sec": 1984111606.2778533 } }, "rust_ms_per_iter": 0.004905, "ffi_ms_per_iter": 0.005161, "rust_bytes_per_sec": 2087665647.298675, "ffi_bytes_per_sec": 1984111606.2778533, "delta_rust_over_ffi": 1.052191641182467, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=best, source=rust_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "best", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/small-10k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.004916, "bytes_per_sec": 2082994304.3124492 }, "ffi": { "benchmark_name": "decompress/best/small-10k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.005165, "bytes_per_sec": 1982575024.201355 } }, "rust_ms_per_iter": 0.004916, "ffi_ms_per_iter": 0.005165, "rust_bytes_per_sec": 2082994304.3124492, "ffi_bytes_per_sec": 1982575024.201355, "delta_rust_over_ffi": 1.050650935720098, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=better, source=c_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "better", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/small-10k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.004879, "bytes_per_sec": 2098790735.806518 }, "ffi": { "benchmark_name": "decompress/better/small-10k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.005164, "bytes_per_sec": 1982958946.5530596 } }, "rust_ms_per_iter": 0.004879, "ffi_ms_per_iter": 0.005164, "rust_bytes_per_sec": 2098790735.806518, "ffi_bytes_per_sec": 1982958946.5530596, "delta_rust_over_ffi": 1.0584136093461778, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=better, source=rust_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "better", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/small-10k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.004902, "bytes_per_sec": 2088943288.4536924 }, "ffi": { "benchmark_name": "decompress/better/small-10k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.005156, "bytes_per_sec": 1986035686.5787432 } }, "rust_ms_per_iter": 0.004902, "ffi_ms_per_iter": 0.005156, "rust_bytes_per_sec": 2088943288.4536924, "ffi_bytes_per_sec": 1986035686.5787432, "delta_rust_over_ffi": 1.0518155854753162, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=default, source=c_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "default", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/small-10k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.004851, "bytes_per_sec": 2110904968.0478249 }, "ffi": { "benchmark_name": "decompress/default/small-10k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.005156, "bytes_per_sec": 1986035686.5787432 } }, "rust_ms_per_iter": 0.004851, "ffi_ms_per_iter": 0.005156, "rust_bytes_per_sec": 2110904968.0478249, "ffi_bytes_per_sec": 1986035686.5787432, "delta_rust_over_ffi": 1.0628736343022056, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=default, source=rust_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "default", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/small-10k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.004885, "bytes_per_sec": 2096212896.6223133 }, "ffi": { "benchmark_name": "decompress/default/small-10k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.005157, "bytes_per_sec": 1985650572.0380065 } }, "rust_ms_per_iter": 0.004885, "ffi_ms_per_iter": 0.005157, "rust_bytes_per_sec": 2096212896.6223133, "ffi_bytes_per_sec": 1985650572.0380065, "delta_rust_over_ffi": 1.0556806550665303, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=fastest, source=c_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "fastest", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/small-10k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.004903, "bytes_per_sec": 2088517234.3463185 }, "ffi": { "benchmark_name": "decompress/fastest/small-10k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.005168, "bytes_per_sec": 1981424148.6068113 } }, "rust_ms_per_iter": 0.004903, "ffi_ms_per_iter": 0.005168, "rust_bytes_per_sec": 2088517234.3463185, "ffi_bytes_per_sec": 1981424148.6068113, "delta_rust_over_ffi": 1.0540485417091576, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=fastest, source=rust_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "fastest", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/small-10k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.004867, "bytes_per_sec": 2103965481.816314 }, "ffi": { "benchmark_name": "decompress/fastest/small-10k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.005158, "bytes_per_sec": 1985265606.8243504 } }, "rust_ms_per_iter": 0.004867, "ffi_ms_per_iter": 0.005158, "rust_bytes_per_sec": 2103965481.816314, "ffi_bytes_per_sec": 1985265606.8243504, "delta_rust_over_ffi": 1.0597904253133348, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=level22, source=c_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "level22", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/small-10k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.004867, "bytes_per_sec": 2103965481.816314 }, "ffi": { "benchmark_name": "decompress/level22/small-10k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.00521, "bytes_per_sec": 1965451055.662188 } }, "rust_ms_per_iter": 0.004867, "ffi_ms_per_iter": 0.00521, "rust_bytes_per_sec": 2103965481.816314, "ffi_bytes_per_sec": 1965451055.662188, "delta_rust_over_ffi": 1.0704746250256831, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=level22, source=rust_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "level22", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/small-10k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.004916, "bytes_per_sec": 2082994304.3124492 }, "ffi": { "benchmark_name": "decompress/level22/small-10k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.005191, "bytes_per_sec": 1972644962.4349837 } }, "rust_ms_per_iter": 0.004916, "ffi_ms_per_iter": 0.005191, "rust_bytes_per_sec": 2082994304.3124492, "ffi_bytes_per_sec": 1972644962.4349837, "delta_rust_over_ffi": 1.055939788445891, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=level4-row, source=c_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "level4-row", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/small-10k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.004916, "bytes_per_sec": 2082994304.3124492 }, "ffi": { "benchmark_name": "decompress/level4-row/small-10k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.00517, "bytes_per_sec": 1980657640.232108 } }, "rust_ms_per_iter": 0.004916, "ffi_ms_per_iter": 0.00517, "rust_bytes_per_sec": 2082994304.3124492, "ffi_bytes_per_sec": 1980657640.232108, "delta_rust_over_ffi": 1.0516680227827504, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=level4-row, source=rust_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "level4-row", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/small-10k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.0049, "bytes_per_sec": 2089795918.367347 }, "ffi": { "benchmark_name": "decompress/level4-row/small-10k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.005173, "bytes_per_sec": 1979508988.981249 } }, "rust_ms_per_iter": 0.0049, "ffi_ms_per_iter": 0.005173, "rust_bytes_per_sec": 2089795918.367347, "ffi_bytes_per_sec": 1979508988.981249, "delta_rust_over_ffi": 1.0557142857142856, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=compress, level=best", "scenario": "small-1k-random", "params": { "stage": "compress", "level": "best", "source": null }, "target": "i686-gnu", "input_bytes": 1024, "ratio": { "rust": 1.013672, "ffi": 1.013672, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/best/small-1k-random/matrix/pure_rust", "ms_per_iter": 0.109479, "bytes_per_sec": 9353391.974716611 }, "ffi": { "benchmark_name": "compress/best/small-1k-random/matrix/c_ffi", "ms_per_iter": 0.021937, "bytes_per_sec": 46679126.589779824 } }, "rust_ms_per_iter": 0.109479, "ffi_ms_per_iter": 0.021937, "rust_bytes_per_sec": 9353391.974716611, "ffi_bytes_per_sec": 46679126.589779824, "delta_rust_over_ffi": 0.2003763278802327, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=compress, level=better", "scenario": "small-1k-random", "params": { "stage": "compress", "level": "better", "source": null }, "target": "i686-gnu", "input_bytes": 1024, "ratio": { "rust": 1.013672, "ffi": 1.013672, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/better/small-1k-random/matrix/pure_rust", "ms_per_iter": 0.106615, "bytes_per_sec": 9604652.253435258 }, "ffi": { "benchmark_name": "compress/better/small-1k-random/matrix/c_ffi", "ms_per_iter": 0.010111, "bytes_per_sec": 101275838.19602413 } }, "rust_ms_per_iter": 0.106615, "ffi_ms_per_iter": 0.010111, "rust_bytes_per_sec": 9604652.253435258, "ffi_bytes_per_sec": 101275838.19602413, "delta_rust_over_ffi": 0.09483656145945692, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=compress, level=default", "scenario": "small-1k-random", "params": { "stage": "compress", "level": "default", "source": null }, "target": "i686-gnu", "input_bytes": 1024, "ratio": { "rust": 1.013672, "ffi": 1.013672, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/default/small-1k-random/matrix/pure_rust", "ms_per_iter": 0.390377, "bytes_per_sec": 2623105.3571291342 }, "ffi": { "benchmark_name": "compress/default/small-1k-random/matrix/c_ffi", "ms_per_iter": 0.006206, "bytes_per_sec": 165001611.3438608 } }, "rust_ms_per_iter": 0.390377, "ffi_ms_per_iter": 0.006206, "rust_bytes_per_sec": 2623105.3571291342, "ffi_bytes_per_sec": 165001611.3438608, "delta_rust_over_ffi": 0.015897452974944732, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=compress, level=fastest", "scenario": "small-1k-random", "params": { "stage": "compress", "level": "fastest", "source": null }, "target": "i686-gnu", "input_bytes": 1024, "ratio": { "rust": 1.013672, "ffi": 1.013672, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/fastest/small-1k-random/matrix/pure_rust", "ms_per_iter": 0.159321, "bytes_per_sec": 6427275.751470302 }, "ffi": { "benchmark_name": "compress/fastest/small-1k-random/matrix/c_ffi", "ms_per_iter": 0.005776, "bytes_per_sec": 177285318.55955678 } }, "rust_ms_per_iter": 0.159321, "ffi_ms_per_iter": 0.005776, "rust_bytes_per_sec": 6427275.751470302, "ffi_bytes_per_sec": 177285318.55955678, "delta_rust_over_ffi": 0.03625385228563718, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=compress, level=level22", "scenario": "small-1k-random", "params": { "stage": "compress", "level": "level22", "source": null }, "target": "i686-gnu", "input_bytes": 1024, "ratio": { "rust": 1.013672, "ffi": 1.013672, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level22/small-1k-random/matrix/pure_rust", "ms_per_iter": 0.100093, "bytes_per_sec": 10230485.648347037 }, "ffi": { "benchmark_name": "compress/level22/small-1k-random/matrix/c_ffi", "ms_per_iter": 0.048635, "bytes_per_sec": 21054795.92885782 } }, "rust_ms_per_iter": 0.100093, "ffi_ms_per_iter": 0.048635, "rust_bytes_per_sec": 10230485.648347037, "ffi_bytes_per_sec": 21054795.92885782, "delta_rust_over_ffi": 0.48589811475327943, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=compress, level=level4-row", "scenario": "small-1k-random", "params": { "stage": "compress", "level": "level4-row", "source": null }, "target": "i686-gnu", "input_bytes": 1024, "ratio": { "rust": 1.013672, "ffi": 1.013672, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level4-row/small-1k-random/matrix/pure_rust", "ms_per_iter": 0.093621, "bytes_per_sec": 10937716.965210797 }, "ffi": { "benchmark_name": "compress/level4-row/small-1k-random/matrix/c_ffi", "ms_per_iter": 0.010318, "bytes_per_sec": 99244039.542547 } }, "rust_ms_per_iter": 0.093621, "ffi_ms_per_iter": 0.010318, "rust_bytes_per_sec": 10937716.965210797, "ffi_bytes_per_sec": 99244039.542547, "delta_rust_over_ffi": 0.11021031606156739, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=best, source=c_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "best", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/small-1k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.000548, "bytes_per_sec": 1868613138.6861315 }, "ffi": { "benchmark_name": "decompress/best/small-1k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.000612, "bytes_per_sec": 1673202614.3790848 } }, "rust_ms_per_iter": 0.000548, "ffi_ms_per_iter": 0.000612, "rust_bytes_per_sec": 1868613138.6861315, "ffi_bytes_per_sec": 1673202614.3790848, "delta_rust_over_ffi": 1.1167883211678833, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=best, source=rust_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "best", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/small-1k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.000548, "bytes_per_sec": 1868613138.6861315 }, "ffi": { "benchmark_name": "decompress/best/small-1k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.000612, "bytes_per_sec": 1673202614.3790848 } }, "rust_ms_per_iter": 0.000548, "ffi_ms_per_iter": 0.000612, "rust_bytes_per_sec": 1868613138.6861315, "ffi_bytes_per_sec": 1673202614.3790848, "delta_rust_over_ffi": 1.1167883211678833, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=better, source=c_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "better", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/small-1k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.000561, "bytes_per_sec": 1825311942.9590018 }, "ffi": { "benchmark_name": "decompress/better/small-1k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.000612, "bytes_per_sec": 1673202614.3790848 } }, "rust_ms_per_iter": 0.000561, "ffi_ms_per_iter": 0.000612, "rust_bytes_per_sec": 1825311942.9590018, "ffi_bytes_per_sec": 1673202614.3790848, "delta_rust_over_ffi": 1.090909090909091, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=better, source=rust_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "better", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/small-1k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.000559, "bytes_per_sec": 1831842576.0286224 }, "ffi": { "benchmark_name": "decompress/better/small-1k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.000612, "bytes_per_sec": 1673202614.3790848 } }, "rust_ms_per_iter": 0.000559, "ffi_ms_per_iter": 0.000612, "rust_bytes_per_sec": 1831842576.0286224, "ffi_bytes_per_sec": 1673202614.3790848, "delta_rust_over_ffi": 1.0948121645796065, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=default, source=c_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "default", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/small-1k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.000551, "bytes_per_sec": 1858439201.4519057 }, "ffi": { "benchmark_name": "decompress/default/small-1k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.000612, "bytes_per_sec": 1673202614.3790848 } }, "rust_ms_per_iter": 0.000551, "ffi_ms_per_iter": 0.000612, "rust_bytes_per_sec": 1858439201.4519057, "ffi_bytes_per_sec": 1673202614.3790848, "delta_rust_over_ffi": 1.1107078039927407, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=default, source=rust_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "default", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/small-1k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.00055, "bytes_per_sec": 1861818181.8181818 }, "ffi": { "benchmark_name": "decompress/default/small-1k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.000612, "bytes_per_sec": 1673202614.3790848 } }, "rust_ms_per_iter": 0.00055, "ffi_ms_per_iter": 0.000612, "rust_bytes_per_sec": 1861818181.8181818, "ffi_bytes_per_sec": 1673202614.3790848, "delta_rust_over_ffi": 1.1127272727272728, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=fastest, source=c_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "fastest", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/small-1k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.000547, "bytes_per_sec": 1872029250.4570386 }, "ffi": { "benchmark_name": "decompress/fastest/small-1k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.000611, "bytes_per_sec": 1675941080.1963995 } }, "rust_ms_per_iter": 0.000547, "ffi_ms_per_iter": 0.000611, "rust_bytes_per_sec": 1872029250.4570386, "ffi_bytes_per_sec": 1675941080.1963995, "delta_rust_over_ffi": 1.117001828153565, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=fastest, source=rust_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "fastest", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/small-1k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.000547, "bytes_per_sec": 1872029250.4570386 }, "ffi": { "benchmark_name": "decompress/fastest/small-1k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.000611, "bytes_per_sec": 1675941080.1963995 } }, "rust_ms_per_iter": 0.000547, "ffi_ms_per_iter": 0.000611, "rust_bytes_per_sec": 1872029250.4570386, "ffi_bytes_per_sec": 1675941080.1963995, "delta_rust_over_ffi": 1.117001828153565, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=level22, source=c_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "level22", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/small-1k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.000562, "bytes_per_sec": 1822064056.9395018 }, "ffi": { "benchmark_name": "decompress/level22/small-1k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.000613, "bytes_per_sec": 1670473083.1973898 } }, "rust_ms_per_iter": 0.000562, "ffi_ms_per_iter": 0.000613, "rust_bytes_per_sec": 1822064056.9395018, "ffi_bytes_per_sec": 1670473083.1973898, "delta_rust_over_ffi": 1.0907473309608542, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=level22, source=rust_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "level22", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/small-1k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.000555, "bytes_per_sec": 1845045045.0450447 }, "ffi": { "benchmark_name": "decompress/level22/small-1k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.000612, "bytes_per_sec": 1673202614.3790848 } }, "rust_ms_per_iter": 0.000555, "ffi_ms_per_iter": 0.000612, "rust_bytes_per_sec": 1845045045.0450447, "ffi_bytes_per_sec": 1673202614.3790848, "delta_rust_over_ffi": 1.1027027027027025, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=level4-row, source=c_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "level4-row", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/small-1k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.000549, "bytes_per_sec": 1865209471.7668486 }, "ffi": { "benchmark_name": "decompress/level4-row/small-1k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.000612, "bytes_per_sec": 1673202614.3790848 } }, "rust_ms_per_iter": 0.000549, "ffi_ms_per_iter": 0.000612, "rust_bytes_per_sec": 1865209471.7668486, "ffi_bytes_per_sec": 1673202614.3790848, "delta_rust_over_ffi": 1.1147540983606556, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=level4-row, source=rust_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "level4-row", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/small-1k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.000563, "bytes_per_sec": 1818827708.7033746 }, "ffi": { "benchmark_name": "decompress/level4-row/small-1k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.000612, "bytes_per_sec": 1673202614.3790848 } }, "rust_ms_per_iter": 0.000563, "ffi_ms_per_iter": 0.000612, "rust_bytes_per_sec": 1818827708.7033746, "ffi_bytes_per_sec": 1673202614.3790848, "delta_rust_over_ffi": 1.0870337477797514, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=compress, level=best", "scenario": "small-4k-log-lines", "params": { "stage": "compress", "level": "best", "source": null }, "target": "i686-gnu", "input_bytes": 4096, "ratio": { "rust": 0.036621, "ffi": 0.037598, "delta_rust_over_ffi": 0.974014575243364, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/best/small-4k-log-lines/matrix/pure_rust", "ms_per_iter": 0.212898, "bytes_per_sec": 19239260.115172524 }, "ffi": { "benchmark_name": "compress/best/small-4k-log-lines/matrix/c_ffi", "ms_per_iter": 0.02153, "bytes_per_sec": 190246168.13748258 } }, "rust_ms_per_iter": 0.212898, "ffi_ms_per_iter": 0.02153, "rust_bytes_per_sec": 19239260.115172524, "ffi_bytes_per_sec": 190246168.13748258, "delta_rust_over_ffi": 0.1011282398143712, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=compress, level=better", "scenario": "small-4k-log-lines", "params": { "stage": "compress", "level": "better", "source": null }, "target": "i686-gnu", "input_bytes": 4096, "ratio": { "rust": 0.036621, "ffi": 0.037598, "delta_rust_over_ffi": 0.974014575243364, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/better/small-4k-log-lines/matrix/pure_rust", "ms_per_iter": 0.212358, "bytes_per_sec": 19288183.162395578 }, "ffi": { "benchmark_name": "compress/better/small-4k-log-lines/matrix/c_ffi", "ms_per_iter": 0.014921, "bytes_per_sec": 274512432.14261776 } }, "rust_ms_per_iter": 0.212358, "ffi_ms_per_iter": 0.014921, "rust_bytes_per_sec": 19288183.162395578, "ffi_bytes_per_sec": 274512432.14261776, "delta_rust_over_ffi": 0.07026342308742785, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=compress, level=default", "scenario": "small-4k-log-lines", "params": { "stage": "compress", "level": "default", "source": null }, "target": "i686-gnu", "input_bytes": 4096, "ratio": { "rust": 0.037842, "ffi": 0.038086, "delta_rust_over_ffi": 0.9935934464107545, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/default/small-4k-log-lines/matrix/pure_rust", "ms_per_iter": 0.241362, "bytes_per_sec": 16970359.874379564 }, "ffi": { "benchmark_name": "compress/default/small-4k-log-lines/matrix/c_ffi", "ms_per_iter": 0.010557, "bytes_per_sec": 387989012.02993274 } }, "rust_ms_per_iter": 0.241362, "ffi_ms_per_iter": 0.010557, "rust_bytes_per_sec": 16970359.874379564, "ffi_bytes_per_sec": 387989012.02993274, "delta_rust_over_ffi": 0.0437392795883362, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=compress, level=fastest", "scenario": "small-4k-log-lines", "params": { "stage": "compress", "level": "fastest", "source": null }, "target": "i686-gnu", "input_bytes": 4096, "ratio": { "rust": 0.037598, "ffi": 0.03833, "delta_rust_over_ffi": 0.9809026871901904, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/fastest/small-4k-log-lines/matrix/pure_rust", "ms_per_iter": 0.169948, "bytes_per_sec": 24101489.867488883 }, "ffi": { "benchmark_name": "compress/fastest/small-4k-log-lines/matrix/c_ffi", "ms_per_iter": 0.010148, "bytes_per_sec": 403626330.3113914 } }, "rust_ms_per_iter": 0.169948, "ffi_ms_per_iter": 0.010148, "rust_bytes_per_sec": 24101489.867488883, "ffi_bytes_per_sec": 403626330.3113914, "delta_rust_over_ffi": 0.05971238261115166, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=compress, level=level22", "scenario": "small-4k-log-lines", "params": { "stage": "compress", "level": "level22", "source": null }, "target": "i686-gnu", "input_bytes": 4096, "ratio": { "rust": 0.036621, "ffi": 0.036621, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level22/small-4k-log-lines/matrix/pure_rust", "ms_per_iter": 0.322661, "bytes_per_sec": 12694437.81554015 }, "ffi": { "benchmark_name": "compress/level22/small-4k-log-lines/matrix/c_ffi", "ms_per_iter": 0.124335, "bytes_per_sec": 32943258.133268993 } }, "rust_ms_per_iter": 0.322661, "ffi_ms_per_iter": 0.124335, "rust_bytes_per_sec": 12694437.81554015, "ffi_bytes_per_sec": 32943258.133268993, "delta_rust_over_ffi": 0.3853425111804649, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=compress, level=level4-row", "scenario": "small-4k-log-lines", "params": { "stage": "compress", "level": "level4-row", "source": null }, "target": "i686-gnu", "input_bytes": 4096, "ratio": { "rust": 0.036865, "ffi": 0.038086, "delta_rust_over_ffi": 0.967940975686604, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level4-row/small-4k-log-lines/matrix/pure_rust", "ms_per_iter": 0.214137, "bytes_per_sec": 19127941.458038546 }, "ffi": { "benchmark_name": "compress/level4-row/small-4k-log-lines/matrix/c_ffi", "ms_per_iter": 0.011716, "bytes_per_sec": 349607374.5305565 } }, "rust_ms_per_iter": 0.214137, "ffi_ms_per_iter": 0.011716, "rust_bytes_per_sec": 19127941.458038546, "ffi_bytes_per_sec": 349607374.5305565, "delta_rust_over_ffi": 0.054712637236909084, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=best, source=c_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "best", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/small-4k-log-lines/c_stream/matrix/pure_rust", "ms_per_iter": 0.006786, "bytes_per_sec": 603595638.0783967 }, "ffi": { "benchmark_name": "decompress/best/small-4k-log-lines/c_stream/matrix/c_ffi", "ms_per_iter": 0.004592, "bytes_per_sec": 891986062.7177701 } }, "rust_ms_per_iter": 0.006786, "ffi_ms_per_iter": 0.004592, "rust_bytes_per_sec": 603595638.0783967, "ffi_bytes_per_sec": 891986062.7177701, "delta_rust_over_ffi": 0.6766872973769524, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=best, source=rust_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "best", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/small-4k-log-lines/rust_stream/matrix/pure_rust", "ms_per_iter": 0.006759, "bytes_per_sec": 606006805.7404941 }, "ffi": { "benchmark_name": "decompress/best/small-4k-log-lines/rust_stream/matrix/c_ffi", "ms_per_iter": 0.004578, "bytes_per_sec": 894713848.8422893 } }, "rust_ms_per_iter": 0.006759, "ffi_ms_per_iter": 0.004578, "rust_bytes_per_sec": 606006805.7404941, "ffi_bytes_per_sec": 894713848.8422893, "delta_rust_over_ffi": 0.6773191300488237, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=better, source=c_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "better", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/small-4k-log-lines/c_stream/matrix/pure_rust", "ms_per_iter": 0.006807, "bytes_per_sec": 601733509.6224475 }, "ffi": { "benchmark_name": "decompress/better/small-4k-log-lines/c_stream/matrix/c_ffi", "ms_per_iter": 0.004593, "bytes_per_sec": 891791857.1739604 } }, "rust_ms_per_iter": 0.006807, "ffi_ms_per_iter": 0.004593, "rust_bytes_per_sec": 601733509.6224475, "ffi_bytes_per_sec": 891791857.1739604, "delta_rust_over_ffi": 0.6747465843984134, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=better, source=rust_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "better", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/small-4k-log-lines/rust_stream/matrix/pure_rust", "ms_per_iter": 0.006747, "bytes_per_sec": 607084630.2060174 }, "ffi": { "benchmark_name": "decompress/better/small-4k-log-lines/rust_stream/matrix/c_ffi", "ms_per_iter": 0.004492, "bytes_per_sec": 911843276.9367764 } }, "rust_ms_per_iter": 0.006747, "ffi_ms_per_iter": 0.004492, "rust_bytes_per_sec": 607084630.2060174, "ffi_bytes_per_sec": 911843276.9367764, "delta_rust_over_ffi": 0.6657773825403882, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=default, source=c_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "default", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/small-4k-log-lines/c_stream/matrix/pure_rust", "ms_per_iter": 0.006829, "bytes_per_sec": 599794991.9461122 }, "ffi": { "benchmark_name": "decompress/default/small-4k-log-lines/c_stream/matrix/c_ffi", "ms_per_iter": 0.00453, "bytes_per_sec": 904194260.4856513 } }, "rust_ms_per_iter": 0.006829, "ffi_ms_per_iter": 0.00453, "rust_bytes_per_sec": 599794991.9461122, "ffi_bytes_per_sec": 904194260.4856513, "delta_rust_over_ffi": 0.6633474886513399, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=default, source=rust_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "default", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/small-4k-log-lines/rust_stream/matrix/pure_rust", "ms_per_iter": 0.006803, "bytes_per_sec": 602087314.4201088 }, "ffi": { "benchmark_name": "decompress/default/small-4k-log-lines/rust_stream/matrix/c_ffi", "ms_per_iter": 0.004529, "bytes_per_sec": 904393905.9395009 } }, "rust_ms_per_iter": 0.006803, "ffi_ms_per_iter": 0.004529, "rust_bytes_per_sec": 602087314.4201088, "ffi_bytes_per_sec": 904393905.9395009, "delta_rust_over_ffi": 0.6657357048361018, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=fastest, source=c_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "fastest", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/small-4k-log-lines/c_stream/matrix/pure_rust", "ms_per_iter": 0.006899, "bytes_per_sec": 593709233.2222061 }, "ffi": { "benchmark_name": "decompress/fastest/small-4k-log-lines/c_stream/matrix/c_ffi", "ms_per_iter": 0.004537, "bytes_per_sec": 902799206.5241349 } }, "rust_ms_per_iter": 0.006899, "ffi_ms_per_iter": 0.004537, "rust_bytes_per_sec": 593709233.2222061, "ffi_bytes_per_sec": 902799206.5241349, "delta_rust_over_ffi": 0.6576315408030149, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=fastest, source=rust_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "fastest", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/small-4k-log-lines/rust_stream/matrix/pure_rust", "ms_per_iter": 0.00687, "bytes_per_sec": 596215429.4032023 }, "ffi": { "benchmark_name": "decompress/fastest/small-4k-log-lines/rust_stream/matrix/c_ffi", "ms_per_iter": 0.004606, "bytes_per_sec": 889274858.8797221 } }, "rust_ms_per_iter": 0.00687, "ffi_ms_per_iter": 0.004606, "rust_bytes_per_sec": 596215429.4032023, "ffi_bytes_per_sec": 889274858.8797221, "delta_rust_over_ffi": 0.6704512372634643, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=level22, source=c_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "level22", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/small-4k-log-lines/c_stream/matrix/pure_rust", "ms_per_iter": 0.006737, "bytes_per_sec": 607985750.3339765 }, "ffi": { "benchmark_name": "decompress/level22/small-4k-log-lines/c_stream/matrix/c_ffi", "ms_per_iter": 0.004488, "bytes_per_sec": 912655971.4795009 } }, "rust_ms_per_iter": 0.006737, "ffi_ms_per_iter": 0.004488, "rust_bytes_per_sec": 607985750.3339765, "ffi_bytes_per_sec": 912655971.4795009, "delta_rust_over_ffi": 0.6661718865964078, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=level22, source=rust_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "level22", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/small-4k-log-lines/rust_stream/matrix/pure_rust", "ms_per_iter": 0.006769, "bytes_per_sec": 605111537.8933372 }, "ffi": { "benchmark_name": "decompress/level22/small-4k-log-lines/rust_stream/matrix/c_ffi", "ms_per_iter": 0.004488, "bytes_per_sec": 912655971.4795009 } }, "rust_ms_per_iter": 0.006769, "ffi_ms_per_iter": 0.004488, "rust_bytes_per_sec": 605111537.8933372, "ffi_bytes_per_sec": 912655971.4795009, "delta_rust_over_ffi": 0.6630226030432855, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=level4-row, source=c_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "level4-row", "source": "c_stream" }, "target": "i686-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/small-4k-log-lines/c_stream/matrix/pure_rust", "ms_per_iter": 0.006862, "bytes_per_sec": 596910521.7137861 }, "ffi": { "benchmark_name": "decompress/level4-row/small-4k-log-lines/c_stream/matrix/c_ffi", "ms_per_iter": 0.004528, "bytes_per_sec": 904593639.5759718 } }, "rust_ms_per_iter": 0.006862, "ffi_ms_per_iter": 0.004528, "rust_bytes_per_sec": 596910521.7137861, "ffi_bytes_per_sec": 904593639.5759718, "delta_rust_over_ffi": 0.6598659283007869, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=level4-row, source=rust_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "level4-row", "source": "rust_stream" }, "target": "i686-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/small-4k-log-lines/rust_stream/matrix/pure_rust", "ms_per_iter": 0.006719, "bytes_per_sec": 609614525.9711267 }, "ffi": { "benchmark_name": "decompress/level4-row/small-4k-log-lines/rust_stream/matrix/c_ffi", "ms_per_iter": 0.004492, "bytes_per_sec": 911843276.9367764 } }, "rust_ms_per_iter": 0.006719, "ffi_ms_per_iter": 0.004492, "rust_bytes_per_sec": 609614525.9711267, "ffi_bytes_per_sec": 911843276.9367764, "delta_rust_over_ffi": 0.6685518678374759, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "i686-gnu", "target_triple": "i686-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=compress, level=best", "scenario": "decodecorpus-z000033", "params": { "stage": "compress", "level": "best", "source": null }, "target": "x86_64-gnu", "input_bytes": 1022035, "ratio": { "rust": 0.469797, "ffi": 0.498345, "delta_rust_over_ffi": 0.9427143846130693, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/best/decodecorpus-z000033/matrix/pure_rust", "ms_per_iter": 117.475137, "bytes_per_sec": 8700011.135122148 }, "ffi": { "benchmark_name": "compress/best/decodecorpus-z000033/matrix/c_ffi", "ms_per_iter": 18.415498, "bytes_per_sec": 55498634.89980016 } }, "rust_ms_per_iter": 117.475137, "ffi_ms_per_iter": 18.415498, "rust_bytes_per_sec": 8700011.135122148, "ffi_bytes_per_sec": 55498634.89980016, "delta_rust_over_ffi": 0.15676081314125215, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=compress, level=better", "scenario": "decodecorpus-z000033", "params": { "stage": "compress", "level": "better", "source": null }, "target": "x86_64-gnu", "input_bytes": 1022035, "ratio": { "rust": 0.470723, "ffi": 0.499041, "delta_rust_over_ffi": 0.9432551634034078, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/better/decodecorpus-z000033/matrix/pure_rust", "ms_per_iter": 110.025075, "bytes_per_sec": 9289109.777930167 }, "ffi": { "benchmark_name": "compress/better/decodecorpus-z000033/matrix/c_ffi", "ms_per_iter": 12.35479, "bytes_per_sec": 82723785.67341088 } }, "rust_ms_per_iter": 110.025075, "ffi_ms_per_iter": 12.35479, "rust_bytes_per_sec": 9289109.777930167, "ffi_bytes_per_sec": 82723785.67341088, "delta_rust_over_ffi": 0.11229067555736726, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=compress, level=default", "scenario": "decodecorpus-z000033", "params": { "stage": "compress", "level": "default", "source": null }, "target": "x86_64-gnu", "input_bytes": 1022035, "ratio": { "rust": 0.534833, "ffi": 0.515783, "delta_rust_over_ffi": 1.0369341370304954, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/default/decodecorpus-z000033/matrix/pure_rust", "ms_per_iter": 119.144574, "bytes_per_sec": 8578107.803717524 }, "ffi": { "benchmark_name": "compress/default/decodecorpus-z000033/matrix/c_ffi", "ms_per_iter": 5.073448, "bytes_per_sec": 201447812.21764764 } }, "rust_ms_per_iter": 119.144574, "ffi_ms_per_iter": 5.073448, "rust_bytes_per_sec": 8578107.803717524, "ffi_bytes_per_sec": 201447812.21764764, "delta_rust_over_ffi": 0.04258228326872863, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=compress, level=fastest", "scenario": "decodecorpus-z000033", "params": { "stage": "compress", "level": "fastest", "source": null }, "target": "x86_64-gnu", "input_bytes": 1022035, "ratio": { "rust": 0.556555, "ffi": 0.558207, "delta_rust_over_ffi": 0.9970405243932806, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/fastest/decodecorpus-z000033/matrix/pure_rust", "ms_per_iter": 25.49959, "bytes_per_sec": 40080448.352306835 }, "ffi": { "benchmark_name": "compress/fastest/decodecorpus-z000033/matrix/c_ffi", "ms_per_iter": 2.763624, "bytes_per_sec": 369816950.4968838 } }, "rust_ms_per_iter": 25.49959, "ffi_ms_per_iter": 2.763624, "rust_bytes_per_sec": 40080448.352306835, "ffi_bytes_per_sec": 369816950.4968838, "delta_rust_over_ffi": 0.108379154331501, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=compress, level=level22", "scenario": "decodecorpus-z000033", "params": { "stage": "compress", "level": "level22", "source": null }, "target": "x86_64-gnu", "input_bytes": 1022035, "ratio": { "rust": 0.417445, "ffi": 0.417975, "delta_rust_over_ffi": 0.9987319815778456, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level22/decodecorpus-z000033/matrix/pure_rust", "ms_per_iter": 498.574019, "bytes_per_sec": 2049916.283343276 }, "ffi": { "benchmark_name": "compress/level22/decodecorpus-z000033/matrix/c_ffi", "ms_per_iter": 239.465599, "bytes_per_sec": 4267982.558947851 } }, "rust_ms_per_iter": 498.574019, "ffi_ms_per_iter": 239.465599, "rust_bytes_per_sec": 2049916.283343276, "ffi_bytes_per_sec": 4267982.558947851, "delta_rust_over_ffi": 0.4803009981954154, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=compress, level=level4-row", "scenario": "decodecorpus-z000033", "params": { "stage": "compress", "level": "level4-row", "source": null }, "target": "x86_64-gnu", "input_bytes": 1022035, "ratio": { "rust": 0.527758, "ffi": 0.514819, "delta_rust_over_ffi": 1.0251331050330308, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level4-row/decodecorpus-z000033/matrix/pure_rust", "ms_per_iter": 64.675178, "bytes_per_sec": 15802585.035019154 }, "ffi": { "benchmark_name": "compress/level4-row/decodecorpus-z000033/matrix/c_ffi", "ms_per_iter": 5.363841, "bytes_per_sec": 190541628.65752357 } }, "rust_ms_per_iter": 64.675178, "ffi_ms_per_iter": 5.363841, "rust_bytes_per_sec": 15802585.035019154, "ffi_bytes_per_sec": 190541628.65752357, "delta_rust_over_ffi": 0.0829350790499564, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=best, source=c_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "best", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/decodecorpus-z000033/c_stream/matrix/pure_rust", "ms_per_iter": 6.596185, "bytes_per_sec": 154943349.83024278 }, "ffi": { "benchmark_name": "decompress/best/decodecorpus-z000033/c_stream/matrix/c_ffi", "ms_per_iter": 1.047912, "bytes_per_sec": 975306132.5760179 } }, "rust_ms_per_iter": 6.596185, "ffi_ms_per_iter": 1.047912, "rust_bytes_per_sec": 154943349.83024278, "ffi_bytes_per_sec": 975306132.5760179, "delta_rust_over_ffi": 0.15886637503344736, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=best, source=rust_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "best", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/decodecorpus-z000033/rust_stream/matrix/pure_rust", "ms_per_iter": 6.86281, "bytes_per_sec": 148923691.60737365 }, "ffi": { "benchmark_name": "decompress/best/decodecorpus-z000033/rust_stream/matrix/c_ffi", "ms_per_iter": 1.179469, "bytes_per_sec": 866521290.5129342 } }, "rust_ms_per_iter": 6.86281, "ffi_ms_per_iter": 1.179469, "rust_bytes_per_sec": 148923691.60737365, "ffi_bytes_per_sec": 866521290.5129342, "delta_rust_over_ffi": 0.17186385751609035, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=better, source=c_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "better", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/decodecorpus-z000033/c_stream/matrix/pure_rust", "ms_per_iter": 6.670311, "bytes_per_sec": 153221491.471687 }, "ffi": { "benchmark_name": "decompress/better/decodecorpus-z000033/c_stream/matrix/c_ffi", "ms_per_iter": 1.073756, "bytes_per_sec": 951831701.0568509 } }, "rust_ms_per_iter": 6.670311, "ffi_ms_per_iter": 1.073756, "rust_bytes_per_sec": 153221491.471687, "ffi_bytes_per_sec": 951831701.0568509, "delta_rust_over_ffi": 0.1609754027960615, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=better, source=rust_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "better", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/decodecorpus-z000033/rust_stream/matrix/pure_rust", "ms_per_iter": 6.90783, "bytes_per_sec": 147953119.8654281 }, "ffi": { "benchmark_name": "decompress/better/decodecorpus-z000033/rust_stream/matrix/c_ffi", "ms_per_iter": 1.19546, "bytes_per_sec": 854930319.7095679 } }, "rust_ms_per_iter": 6.90783, "ffi_ms_per_iter": 1.19546, "rust_bytes_per_sec": 147953119.8654281, "ffi_bytes_per_sec": 854930319.7095679, "delta_rust_over_ffi": 0.17305868847380437, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=default, source=c_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "default", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/decodecorpus-z000033/c_stream/matrix/pure_rust", "ms_per_iter": 6.916322, "bytes_per_sec": 147771460.0332373 }, "ffi": { "benchmark_name": "decompress/default/decodecorpus-z000033/c_stream/matrix/c_ffi", "ms_per_iter": 1.113758, "bytes_per_sec": 917645484.9258097 } }, "rust_ms_per_iter": 6.916322, "ffi_ms_per_iter": 1.113758, "rust_bytes_per_sec": 147771460.0332373, "ffi_bytes_per_sec": 917645484.9258097, "delta_rust_over_ffi": 0.1610332775136843, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=default, source=rust_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "default", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/decodecorpus-z000033/rust_stream/matrix/pure_rust", "ms_per_iter": 6.622908, "bytes_per_sec": 154318163.5619882 }, "ffi": { "benchmark_name": "decompress/default/decodecorpus-z000033/rust_stream/matrix/c_ffi", "ms_per_iter": 1.038683, "bytes_per_sec": 983972010.709716 } }, "rust_ms_per_iter": 6.622908, "ffi_ms_per_iter": 1.038683, "rust_bytes_per_sec": 154318163.5619882, "ffi_bytes_per_sec": 983972010.709716, "delta_rust_over_ffi": 0.1568318629822429, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=fastest, source=c_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "fastest", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/decodecorpus-z000033/c_stream/matrix/pure_rust", "ms_per_iter": 6.95421, "bytes_per_sec": 146966370.01183456 }, "ffi": { "benchmark_name": "decompress/fastest/decodecorpus-z000033/c_stream/matrix/c_ffi", "ms_per_iter": 1.041797, "bytes_per_sec": 981030853.41962 } }, "rust_ms_per_iter": 6.95421, "ffi_ms_per_iter": 1.041797, "rust_bytes_per_sec": 146966370.01183456, "ffi_bytes_per_sec": 981030853.41962, "delta_rust_over_ffi": 0.14980810185484766, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=fastest, source=rust_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "fastest", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/decodecorpus-z000033/rust_stream/matrix/pure_rust", "ms_per_iter": 7.066889, "bytes_per_sec": 144623044.17120463 }, "ffi": { "benchmark_name": "decompress/fastest/decodecorpus-z000033/rust_stream/matrix/c_ffi", "ms_per_iter": 1.093841, "bytes_per_sec": 934354261.7254243 } }, "rust_ms_per_iter": 7.066889, "ffi_ms_per_iter": 1.093841, "rust_bytes_per_sec": 144623044.17120463, "ffi_bytes_per_sec": 934354261.7254243, "delta_rust_over_ffi": 0.15478395090116745, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=level22, source=c_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "level22", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/decodecorpus-z000033/c_stream/matrix/pure_rust", "ms_per_iter": 7.814854, "bytes_per_sec": 130781074.0930029 }, "ffi": { "benchmark_name": "decompress/level22/decodecorpus-z000033/c_stream/matrix/c_ffi", "ms_per_iter": 1.94485, "bytes_per_sec": 525508393.9635448 } }, "rust_ms_per_iter": 7.814854, "ffi_ms_per_iter": 1.94485, "rust_bytes_per_sec": 130781074.0930029, "ffi_bytes_per_sec": 525508393.9635448, "delta_rust_over_ffi": 0.2488658137439292, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=level22, source=rust_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "level22", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/decodecorpus-z000033/rust_stream/matrix/pure_rust", "ms_per_iter": 8.02966, "bytes_per_sec": 127282475.22311033 }, "ffi": { "benchmark_name": "decompress/level22/decodecorpus-z000033/rust_stream/matrix/c_ffi", "ms_per_iter": 2.032994, "bytes_per_sec": 502724061.16299415 } }, "rust_ms_per_iter": 8.02966, "ffi_ms_per_iter": 2.032994, "rust_bytes_per_sec": 127282475.22311033, "ffi_bytes_per_sec": 502724061.16299415, "delta_rust_over_ffi": 0.25318556451954377, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=level4-row, source=c_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "level4-row", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/decodecorpus-z000033/c_stream/matrix/pure_rust", "ms_per_iter": 6.934285, "bytes_per_sec": 147388663.71947503 }, "ffi": { "benchmark_name": "decompress/level4-row/decodecorpus-z000033/c_stream/matrix/c_ffi", "ms_per_iter": 1.117735, "bytes_per_sec": 914380421.1194962 } }, "rust_ms_per_iter": 6.934285, "ffi_ms_per_iter": 1.117735, "rust_bytes_per_sec": 147388663.71947503, "ffi_bytes_per_sec": 914380421.1194962, "delta_rust_over_ffi": 0.16118965401623955, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=level4-row, source=rust_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "level4-row", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/decodecorpus-z000033/rust_stream/matrix/pure_rust", "ms_per_iter": 6.524671, "bytes_per_sec": 156641614.57336318 }, "ffi": { "benchmark_name": "decompress/level4-row/decodecorpus-z000033/rust_stream/matrix/c_ffi", "ms_per_iter": 0.984367, "bytes_per_sec": 1038266215.7508327 } }, "rust_ms_per_iter": 6.524671, "ffi_ms_per_iter": 0.984367, "rust_bytes_per_sec": 156641614.57336318, "ffi_bytes_per_sec": 1038266215.7508327, "delta_rust_over_ffi": 0.15086844991877754, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=compress, level=best", "scenario": "high-entropy-1m", "params": { "stage": "compress", "level": "best", "source": null }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": 1.000038, "ffi": 1.000038, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/best/high-entropy-1m/matrix/pure_rust", "ms_per_iter": 1.527818, "bytes_per_sec": 686322585.5435661 }, "ffi": { "benchmark_name": "compress/best/high-entropy-1m/matrix/c_ffi", "ms_per_iter": 0.801362, "bytes_per_sec": 1308492291.873086 } }, "rust_ms_per_iter": 1.527818, "ffi_ms_per_iter": 0.801362, "rust_bytes_per_sec": 686322585.5435661, "ffi_bytes_per_sec": 1308492291.873086, "delta_rust_over_ffi": 0.5245140455211289, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=compress, level=better", "scenario": "high-entropy-1m", "params": { "stage": "compress", "level": "better", "source": null }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": 1.000038, "ffi": 1.000038, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/better/high-entropy-1m/matrix/pure_rust", "ms_per_iter": 1.417394, "bytes_per_sec": 739791476.4701982 }, "ffi": { "benchmark_name": "compress/better/high-entropy-1m/matrix/c_ffi", "ms_per_iter": 0.692244, "bytes_per_sec": 1514749134.6981702 } }, "rust_ms_per_iter": 1.417394, "ffi_ms_per_iter": 0.692244, "rust_bytes_per_sec": 739791476.4701982, "ffi_bytes_per_sec": 1514749134.6981702, "delta_rust_over_ffi": 0.4883920772911413, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=compress, level=default", "scenario": "high-entropy-1m", "params": { "stage": "compress", "level": "default", "source": null }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": 1.000038, "ffi": 1.000038, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/default/high-entropy-1m/matrix/pure_rust", "ms_per_iter": 8.519408, "bytes_per_sec": 123080852.56628159 }, "ffi": { "benchmark_name": "compress/default/high-entropy-1m/matrix/c_ffi", "ms_per_iter": 0.40285, "bytes_per_sec": 2602894377.559886 } }, "rust_ms_per_iter": 8.519408, "ffi_ms_per_iter": 0.40285, "rust_bytes_per_sec": 123080852.56628159, "ffi_bytes_per_sec": 2602894377.559886, "delta_rust_over_ffi": 0.04728614946015027, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=compress, level=fastest", "scenario": "high-entropy-1m", "params": { "stage": "compress", "level": "fastest", "source": null }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": 1.000039, "ffi": 1.000039, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/fastest/high-entropy-1m/matrix/pure_rust", "ms_per_iter": 1.501741, "bytes_per_sec": 698240242.4918811 }, "ffi": { "benchmark_name": "compress/fastest/high-entropy-1m/matrix/c_ffi", "ms_per_iter": 0.355331, "bytes_per_sec": 2950983730.6623964 } }, "rust_ms_per_iter": 1.501741, "ffi_ms_per_iter": 0.355331, "rust_bytes_per_sec": 698240242.4918811, "ffi_bytes_per_sec": 2950983730.6623964, "delta_rust_over_ffi": 0.2366127048538996, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=compress, level=level22", "scenario": "high-entropy-1m", "params": { "stage": "compress", "level": "level22", "source": null }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": 1.000038, "ffi": 1.000038, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level22/high-entropy-1m/matrix/pure_rust", "ms_per_iter": 2.990812, "bytes_per_sec": 350599101.51490635 }, "ffi": { "benchmark_name": "compress/level22/high-entropy-1m/matrix/c_ffi", "ms_per_iter": 40.705839, "bytes_per_sec": 25759842.46387846 } }, "rust_ms_per_iter": 2.990812, "ffi_ms_per_iter": 40.705839, "rust_bytes_per_sec": 350599101.51490635, "ffi_bytes_per_sec": 25759842.46387846, "delta_rust_over_ffi": 13.610296802339969, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=compress, level=level4-row", "scenario": "high-entropy-1m", "params": { "stage": "compress", "level": "level4-row", "source": null }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": 1.000038, "ffi": 1.000038, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level4-row/high-entropy-1m/matrix/pure_rust", "ms_per_iter": 1.55637, "bytes_per_sec": 673731824.694642 }, "ffi": { "benchmark_name": "compress/level4-row/high-entropy-1m/matrix/c_ffi", "ms_per_iter": 0.409409, "bytes_per_sec": 2561194306.9155784 } }, "rust_ms_per_iter": 1.55637, "ffi_ms_per_iter": 0.409409, "rust_bytes_per_sec": 673731824.694642, "ffi_bytes_per_sec": 2561194306.9155784, "delta_rust_over_ffi": 0.2630537725605094, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=best, source=c_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "best", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/high-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.159723, "bytes_per_sec": 6564965596.689268 }, "ffi": { "benchmark_name": "decompress/best/high-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.117786, "bytes_per_sec": 8902382286.51962 } }, "rust_ms_per_iter": 0.159723, "ffi_ms_per_iter": 0.117786, "rust_bytes_per_sec": 6564965596.689268, "ffi_bytes_per_sec": 8902382286.51962, "delta_rust_over_ffi": 0.7374391916004582, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=best, source=rust_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "best", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/high-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.250823, "bytes_per_sec": 4180541656.865598 }, "ffi": { "benchmark_name": "decompress/best/high-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.117757, "bytes_per_sec": 8904574674.966244 } }, "rust_ms_per_iter": 0.250823, "ffi_ms_per_iter": 0.117757, "rust_bytes_per_sec": 4180541656.865598, "ffi_bytes_per_sec": 8904574674.966244, "delta_rust_over_ffi": 0.4694824637294028, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=better, source=c_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "better", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/high-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.147277, "bytes_per_sec": 7119753933.064905 }, "ffi": { "benchmark_name": "decompress/better/high-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.117603, "bytes_per_sec": 8916235130.056206 } }, "rust_ms_per_iter": 0.147277, "ffi_ms_per_iter": 0.117603, "rust_bytes_per_sec": 7119753933.064905, "ffi_bytes_per_sec": 8916235130.056206, "delta_rust_over_ffi": 0.79851572207473, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=better, source=rust_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "better", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/high-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.147369, "bytes_per_sec": 7115309189.856754 }, "ffi": { "benchmark_name": "decompress/better/high-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.109076, "bytes_per_sec": 9613260478.93212 } }, "rust_ms_per_iter": 0.147369, "ffi_ms_per_iter": 0.109076, "rust_bytes_per_sec": 7115309189.856754, "ffi_bytes_per_sec": 9613260478.93212, "delta_rust_over_ffi": 0.7401556636741785, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=default, source=c_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "default", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/high-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.160758, "bytes_per_sec": 6522698714.838452 }, "ffi": { "benchmark_name": "decompress/default/high-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.117668, "bytes_per_sec": 8911309786.857939 } }, "rust_ms_per_iter": 0.160758, "ffi_ms_per_iter": 0.117668, "rust_bytes_per_sec": 6522698714.838452, "ffi_bytes_per_sec": 8911309786.857939, "delta_rust_over_ffi": 0.7319573520446883, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=default, source=rust_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "default", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/high-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.250672, "bytes_per_sec": 4183059934.895002 }, "ffi": { "benchmark_name": "decompress/default/high-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.117654, "bytes_per_sec": 8912370170.159962 } }, "rust_ms_per_iter": 0.250672, "ffi_ms_per_iter": 0.117654, "rust_bytes_per_sec": 4183059934.895002, "ffi_bytes_per_sec": 8912370170.159962, "delta_rust_over_ffi": 0.46935437543882036, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=fastest, source=c_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "fastest", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/high-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.147268, "bytes_per_sec": 7120189043.105086 }, "ffi": { "benchmark_name": "decompress/fastest/high-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.117528, "bytes_per_sec": 8921924988.087946 } }, "rust_ms_per_iter": 0.147268, "ffi_ms_per_iter": 0.117528, "rust_bytes_per_sec": 7120189043.105086, "ffi_bytes_per_sec": 8921924988.087946, "delta_rust_over_ffi": 0.7980552462177797, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=fastest, source=rust_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "fastest", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/high-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.163431, "bytes_per_sec": 6416016545.208682 }, "ffi": { "benchmark_name": "decompress/fastest/high-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.10918, "bytes_per_sec": 9604103315.625572 } }, "rust_ms_per_iter": 0.163431, "ffi_ms_per_iter": 0.10918, "rust_bytes_per_sec": 6416016545.208682, "ffi_bytes_per_sec": 9604103315.625572, "delta_rust_over_ffi": 0.6680495132502402, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=level22, source=c_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "level22", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/high-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.159557, "bytes_per_sec": 6571795659.231497 }, "ffi": { "benchmark_name": "decompress/level22/high-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.117601, "bytes_per_sec": 8916386765.418661 } }, "rust_ms_per_iter": 0.159557, "ffi_ms_per_iter": 0.117601, "rust_bytes_per_sec": 6571795659.231497, "ffi_bytes_per_sec": 8916386765.418661, "delta_rust_over_ffi": 0.737046948739322, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=level22, source=rust_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "level22", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/high-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.14742, "bytes_per_sec": 7112847646.18098 }, "ffi": { "benchmark_name": "decompress/level22/high-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.11763, "bytes_per_sec": 8914188557.340815 } }, "rust_ms_per_iter": 0.14742, "ffi_ms_per_iter": 0.11763, "rust_bytes_per_sec": 7112847646.18098, "ffi_bytes_per_sec": 8914188557.340815, "delta_rust_over_ffi": 0.797924297924298, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=level4-row, source=c_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "level4-row", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/high-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.1597, "bytes_per_sec": 6565911083.281152 }, "ffi": { "benchmark_name": "decompress/level4-row/high-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.117663, "bytes_per_sec": 8911688466.212828 } }, "rust_ms_per_iter": 0.1597, "ffi_ms_per_iter": 0.117663, "rust_bytes_per_sec": 6565911083.281152, "ffi_bytes_per_sec": 8911688466.212828, "delta_rust_over_ffi": 0.7367752035065748, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=level4-row, source=rust_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "level4-row", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/high-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.251388, "bytes_per_sec": 4171145798.5265803 }, "ffi": { "benchmark_name": "decompress/level4-row/high-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.117743, "bytes_per_sec": 8905633455.9167 } }, "rust_ms_per_iter": 0.251388, "ffi_ms_per_iter": 0.117743, "rust_bytes_per_sec": 4171145798.5265803, "ffi_bytes_per_sec": 8905633455.9167, "delta_rust_over_ffi": 0.46837160087195884, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=compress, level=best", "scenario": "large-log-stream", "params": { "stage": "compress", "level": "best", "source": null }, "target": "x86_64-gnu", "input_bytes": 16777216, "ratio": { "rust": 9.3e-05, "ffi": 0.000184, "delta_rust_over_ffi": 0.5054347826086957, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/best/large-log-stream/matrix/pure_rust", "ms_per_iter": 82.177442, "bytes_per_sec": 204158411.25840834 }, "ffi": { "benchmark_name": "compress/best/large-log-stream/matrix/c_ffi", "ms_per_iter": 12.238448, "bytes_per_sec": 1370861403.3413386 } }, "rust_ms_per_iter": 82.177442, "ffi_ms_per_iter": 12.238448, "rust_bytes_per_sec": 204158411.25840834, "ffi_bytes_per_sec": 1370861403.3413386, "delta_rust_over_ffi": 0.14892709850958855, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=compress, level=better", "scenario": "large-log-stream", "params": { "stage": "compress", "level": "better", "source": null }, "target": "x86_64-gnu", "input_bytes": 16777216, "ratio": { "rust": 9.3e-05, "ffi": 0.000101, "delta_rust_over_ffi": 0.9207920792079207, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/better/large-log-stream/matrix/pure_rust", "ms_per_iter": 82.863096, "bytes_per_sec": 202469094.3239678 }, "ffi": { "benchmark_name": "compress/better/large-log-stream/matrix/c_ffi", "ms_per_iter": 12.163356, "bytes_per_sec": 1379324587.7206914 } }, "rust_ms_per_iter": 82.863096, "ffi_ms_per_iter": 12.163356, "rust_bytes_per_sec": 202469094.3239678, "ffi_bytes_per_sec": 1379324587.7206914, "delta_rust_over_ffi": 0.14678857763171196, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=compress, level=default", "scenario": "large-log-stream", "params": { "stage": "compress", "level": "default", "source": null }, "target": "x86_64-gnu", "input_bytes": 16777216, "ratio": { "rust": 9.3e-05, "ffi": 0.000101, "delta_rust_over_ffi": 0.9207920792079207, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/default/large-log-stream/matrix/pure_rust", "ms_per_iter": 151.736167, "bytes_per_sec": 110568339.32018329 }, "ffi": { "benchmark_name": "compress/default/large-log-stream/matrix/c_ffi", "ms_per_iter": 4.669629, "bytes_per_sec": 3592837032.663623 } }, "rust_ms_per_iter": 151.736167, "ffi_ms_per_iter": 4.669629, "rust_bytes_per_sec": 110568339.32018329, "ffi_bytes_per_sec": 3592837032.663623, "delta_rust_over_ffi": 0.030774660335264693, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=compress, level=fastest", "scenario": "large-log-stream", "params": { "stage": "compress", "level": "fastest", "source": null }, "target": "x86_64-gnu", "input_bytes": 16777216, "ratio": { "rust": 0.0009, "ffi": 0.000101, "delta_rust_over_ffi": 8.91089108910891, "status": "rust_worse_larger", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/fastest/large-log-stream/matrix/pure_rust", "ms_per_iter": 31.31378, "bytes_per_sec": 535777411.7337479 }, "ffi": { "benchmark_name": "compress/fastest/large-log-stream/matrix/c_ffi", "ms_per_iter": 3.981404, "bytes_per_sec": 4213894395.042553 } }, "rust_ms_per_iter": 31.31378, "ffi_ms_per_iter": 3.981404, "rust_bytes_per_sec": 535777411.7337479, "ffi_bytes_per_sec": 4213894395.042553, "delta_rust_over_ffi": 0.12714542926468794, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=compress, level=level22", "scenario": "large-log-stream", "params": { "stage": "compress", "level": "level22", "source": null }, "target": "x86_64-gnu", "input_bytes": 16777216, "ratio": { "rust": 9.3e-05, "ffi": 9.3e-05, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level22/large-log-stream/matrix/pure_rust", "ms_per_iter": 32.730168, "bytes_per_sec": 512591808.2669176 }, "ffi": { "benchmark_name": "compress/level22/large-log-stream/matrix/c_ffi", "ms_per_iter": 42.320731, "bytes_per_sec": 396430203.43859375 } }, "rust_ms_per_iter": 32.730168, "ffi_ms_per_iter": 42.320731, "rust_bytes_per_sec": 512591808.2669176, "ffi_bytes_per_sec": 396430203.43859375, "delta_rust_over_ffi": 1.2930190581362124, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=compress, level=level4-row", "scenario": "large-log-stream", "params": { "stage": "compress", "level": "level4-row", "source": null }, "target": "x86_64-gnu", "input_bytes": 16777216, "ratio": { "rust": 9.3e-05, "ffi": 0.000101, "delta_rust_over_ffi": 0.9207920792079207, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level4-row/large-log-stream/matrix/pure_rust", "ms_per_iter": 105.523963, "bytes_per_sec": 158989631.5778057 }, "ffi": { "benchmark_name": "compress/level4-row/large-log-stream/matrix/c_ffi", "ms_per_iter": 4.782114, "bytes_per_sec": 3508326233.962637 } }, "rust_ms_per_iter": 105.523963, "ffi_ms_per_iter": 4.782114, "rust_bytes_per_sec": 158989631.5778057, "ffi_bytes_per_sec": 3508326233.962637, "delta_rust_over_ffi": 0.045317801417295134, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=best, source=c_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "best", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/large-log-stream/c_stream/matrix/pure_rust", "ms_per_iter": 3.065855, "bytes_per_sec": 5472279674.022418 }, "ffi": { "benchmark_name": "decompress/best/large-log-stream/c_stream/matrix/c_ffi", "ms_per_iter": 1.970427, "bytes_per_sec": 8514507769.128215 } }, "rust_ms_per_iter": 3.065855, "ffi_ms_per_iter": 1.970427, "rust_bytes_per_sec": 5472279674.022418, "ffi_bytes_per_sec": 8514507769.128215, "delta_rust_over_ffi": 0.6427006495740992, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=best, source=rust_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "best", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/large-log-stream/rust_stream/matrix/pure_rust", "ms_per_iter": 2.897027, "bytes_per_sec": 5791183858.486649 }, "ffi": { "benchmark_name": "decompress/best/large-log-stream/rust_stream/matrix/c_ffi", "ms_per_iter": 1.79542, "bytes_per_sec": 9344451994.519388 } }, "rust_ms_per_iter": 2.897027, "ffi_ms_per_iter": 1.79542, "rust_bytes_per_sec": 5791183858.486649, "ffi_bytes_per_sec": 9344451994.519388, "delta_rust_over_ffi": 0.6197456910135805, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=better, source=c_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "better", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/large-log-stream/c_stream/matrix/pure_rust", "ms_per_iter": 2.734501, "bytes_per_sec": 6135384847.180528 }, "ffi": { "benchmark_name": "decompress/better/large-log-stream/c_stream/matrix/c_ffi", "ms_per_iter": 1.959679, "bytes_per_sec": 8561206197.545619 } }, "rust_ms_per_iter": 2.734501, "ffi_ms_per_iter": 1.959679, "rust_bytes_per_sec": 6135384847.180528, "ffi_bytes_per_sec": 8561206197.545619, "delta_rust_over_ffi": 0.716649582501524, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=better, source=rust_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "better", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/large-log-stream/rust_stream/matrix/pure_rust", "ms_per_iter": 2.903468, "bytes_per_sec": 5778336802.74761 }, "ffi": { "benchmark_name": "decompress/better/large-log-stream/rust_stream/matrix/c_ffi", "ms_per_iter": 1.794156, "bytes_per_sec": 9351035250.000557 } }, "rust_ms_per_iter": 2.903468, "ffi_ms_per_iter": 1.794156, "rust_bytes_per_sec": 5778336802.74761, "ffi_bytes_per_sec": 9351035250.000557, "delta_rust_over_ffi": 0.617935517112639, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=default, source=c_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "default", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/large-log-stream/c_stream/matrix/pure_rust", "ms_per_iter": 2.726608, "bytes_per_sec": 6153145593.352619 }, "ffi": { "benchmark_name": "decompress/default/large-log-stream/c_stream/matrix/c_ffi", "ms_per_iter": 1.958634, "bytes_per_sec": 8565773901.606936 } }, "rust_ms_per_iter": 2.726608, "ffi_ms_per_iter": 1.958634, "rust_bytes_per_sec": 6153145593.352619, "ffi_bytes_per_sec": 8565773901.606936, "delta_rust_over_ffi": 0.7183408836180337, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=default, source=rust_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "default", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/large-log-stream/rust_stream/matrix/pure_rust", "ms_per_iter": 2.750569, "bytes_per_sec": 6099543767.126002 }, "ffi": { "benchmark_name": "decompress/default/large-log-stream/rust_stream/matrix/c_ffi", "ms_per_iter": 1.794074, "bytes_per_sec": 9351462648.69788 } }, "rust_ms_per_iter": 2.750569, "ffi_ms_per_iter": 1.794074, "rust_bytes_per_sec": 6099543767.126002, "ffi_bytes_per_sec": 9351462648.69788, "delta_rust_over_ffi": 0.6522555878438243, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=fastest, source=c_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "fastest", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/large-log-stream/c_stream/matrix/pure_rust", "ms_per_iter": 2.768649, "bytes_per_sec": 6059712155.639809 }, "ffi": { "benchmark_name": "decompress/fastest/large-log-stream/c_stream/matrix/c_ffi", "ms_per_iter": 1.959209, "bytes_per_sec": 8563259968.691446 } }, "rust_ms_per_iter": 2.768649, "ffi_ms_per_iter": 1.959209, "rust_bytes_per_sec": 6059712155.639809, "ffi_bytes_per_sec": 8563259968.691446, "delta_rust_over_ffi": 0.7076408024274655, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=fastest, source=rust_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "fastest", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/large-log-stream/rust_stream/matrix/pure_rust", "ms_per_iter": 2.91534, "bytes_per_sec": 5754805957.452646 }, "ffi": { "benchmark_name": "decompress/fastest/large-log-stream/rust_stream/matrix/c_ffi", "ms_per_iter": 1.980798, "bytes_per_sec": 8469927776.582973 } }, "rust_ms_per_iter": 2.91534, "ffi_ms_per_iter": 1.980798, "rust_bytes_per_sec": 5754805957.452646, "ffi_bytes_per_sec": 8469927776.582973, "delta_rust_over_ffi": 0.6794397908991746, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=level22, source=c_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "level22", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/large-log-stream/c_stream/matrix/pure_rust", "ms_per_iter": 2.74408, "bytes_per_sec": 6113967522.812746 }, "ffi": { "benchmark_name": "decompress/level22/large-log-stream/c_stream/matrix/c_ffi", "ms_per_iter": 1.742854, "bytes_per_sec": 9626288834.291342 } }, "rust_ms_per_iter": 2.74408, "ffi_ms_per_iter": 1.742854, "rust_bytes_per_sec": 6113967522.812746, "ffi_bytes_per_sec": 9626288834.291342, "delta_rust_over_ffi": 0.6351323576572111, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=level22, source=rust_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "level22", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/large-log-stream/rust_stream/matrix/pure_rust", "ms_per_iter": 2.730586, "bytes_per_sec": 6144181505.361853 }, "ffi": { "benchmark_name": "decompress/level22/large-log-stream/rust_stream/matrix/c_ffi", "ms_per_iter": 1.743444, "bytes_per_sec": 9623031195.725243 } }, "rust_ms_per_iter": 2.730586, "ffi_ms_per_iter": 1.743444, "rust_bytes_per_sec": 6144181505.361853, "ffi_bytes_per_sec": 9623031195.725243, "delta_rust_over_ffi": 0.6384871232768351, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=level4-row, source=c_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "level4-row", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/large-log-stream/c_stream/matrix/pure_rust", "ms_per_iter": 2.853487, "bytes_per_sec": 5879548776.637146 }, "ffi": { "benchmark_name": "decompress/level4-row/large-log-stream/c_stream/matrix/c_ffi", "ms_per_iter": 1.960564, "bytes_per_sec": 8557341662.909244 } }, "rust_ms_per_iter": 2.853487, "ffi_ms_per_iter": 1.960564, "rust_bytes_per_sec": 5879548776.637146, "ffi_bytes_per_sec": 8557341662.909244, "delta_rust_over_ffi": 0.6870765487980146, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=level4-row, source=rust_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "level4-row", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/large-log-stream/rust_stream/matrix/pure_rust", "ms_per_iter": 2.733924, "bytes_per_sec": 6136679732.135934 }, "ffi": { "benchmark_name": "decompress/level4-row/large-log-stream/rust_stream/matrix/c_ffi", "ms_per_iter": 1.796255, "bytes_per_sec": 9340108169.497093 } }, "rust_ms_per_iter": 2.733924, "ffi_ms_per_iter": 1.796255, "rust_bytes_per_sec": 6136679732.135934, "ffi_bytes_per_sec": 9340108169.497093, "delta_rust_over_ffi": 0.6570244820265669, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=compress, level=best", "scenario": "low-entropy-1m", "params": { "stage": "compress", "level": "best", "source": null }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": 0.000143, "ffi": 0.000154, "delta_rust_over_ffi": 0.9285714285714286, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/best/low-entropy-1m/matrix/pure_rust", "ms_per_iter": 5.61929, "bytes_per_sec": 186602933.82260033 }, "ffi": { "benchmark_name": "compress/best/low-entropy-1m/matrix/c_ffi", "ms_per_iter": 1.035095, "bytes_per_sec": 1013023925.340186 } }, "rust_ms_per_iter": 5.61929, "ffi_ms_per_iter": 1.035095, "rust_bytes_per_sec": 186602933.82260033, "ffi_bytes_per_sec": 1013023925.340186, "delta_rust_over_ffi": 0.18420387629042104, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=compress, level=better", "scenario": "low-entropy-1m", "params": { "stage": "compress", "level": "better", "source": null }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": 0.000143, "ffi": 0.000154, "delta_rust_over_ffi": 0.9285714285714286, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/better/low-entropy-1m/matrix/pure_rust", "ms_per_iter": 5.397177, "bytes_per_sec": 194282307.21356738 }, "ffi": { "benchmark_name": "compress/better/low-entropy-1m/matrix/c_ffi", "ms_per_iter": 0.639727, "bytes_per_sec": 1639099178.2432191 } }, "rust_ms_per_iter": 5.397177, "ffi_ms_per_iter": 0.639727, "rust_bytes_per_sec": 194282307.21356738, "ffi_bytes_per_sec": 1639099178.2432191, "delta_rust_over_ffi": 0.11852992777520545, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=compress, level=default", "scenario": "low-entropy-1m", "params": { "stage": "compress", "level": "default", "source": null }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": 0.000143, "ffi": 0.000154, "delta_rust_over_ffi": 0.9285714285714286, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/default/low-entropy-1m/matrix/pure_rust", "ms_per_iter": 13.55351, "bytes_per_sec": 77365641.81529361 }, "ffi": { "benchmark_name": "compress/default/low-entropy-1m/matrix/c_ffi", "ms_per_iter": 0.303804, "bytes_per_sec": 3451488459.6647835 } }, "rust_ms_per_iter": 13.55351, "ffi_ms_per_iter": 0.303804, "rust_bytes_per_sec": 77365641.81529361, "ffi_bytes_per_sec": 3451488459.6647835, "delta_rust_over_ffi": 0.022415152975133384, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=compress, level=fastest", "scenario": "low-entropy-1m", "params": { "stage": "compress", "level": "fastest", "source": null }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": 0.000324, "ffi": 0.000155, "delta_rust_over_ffi": 2.0903225806451613, "status": "rust_worse_larger", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/fastest/low-entropy-1m/matrix/pure_rust", "ms_per_iter": 1.79816, "bytes_per_sec": 583138319.1707078 }, "ffi": { "benchmark_name": "compress/fastest/low-entropy-1m/matrix/c_ffi", "ms_per_iter": 0.230641, "bytes_per_sec": 4546355591.590393 } }, "rust_ms_per_iter": 1.79816, "ffi_ms_per_iter": 0.230641, "rust_bytes_per_sec": 583138319.1707078, "ffi_bytes_per_sec": 4546355591.590393, "delta_rust_over_ffi": 0.12826500422654272, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=compress, level=level22", "scenario": "low-entropy-1m", "params": { "stage": "compress", "level": "level22", "source": null }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": 0.000143, "ffi": 0.000143, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level22/low-entropy-1m/matrix/pure_rust", "ms_per_iter": 1.527017, "bytes_per_sec": 686682597.5087376 }, "ffi": { "benchmark_name": "compress/level22/low-entropy-1m/matrix/c_ffi", "ms_per_iter": 1.465774, "bytes_per_sec": 715373584.1951078 } }, "rust_ms_per_iter": 1.527017, "ffi_ms_per_iter": 1.465774, "rust_bytes_per_sec": 686682597.5087376, "ffi_bytes_per_sec": 715373584.1951078, "delta_rust_over_ffi": 0.9598937012489055, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=compress, level=level4-row", "scenario": "low-entropy-1m", "params": { "stage": "compress", "level": "level4-row", "source": null }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": 0.000143, "ffi": 0.000154, "delta_rust_over_ffi": 0.9285714285714286, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level4-row/low-entropy-1m/matrix/pure_rust", "ms_per_iter": 6.786738, "bytes_per_sec": 154503680.5605285 }, "ffi": { "benchmark_name": "compress/level4-row/low-entropy-1m/matrix/c_ffi", "ms_per_iter": 0.325893, "bytes_per_sec": 3217546863.541101 } }, "rust_ms_per_iter": 6.786738, "ffi_ms_per_iter": 0.325893, "rust_bytes_per_sec": 154503680.5605285, "ffi_bytes_per_sec": 3217546863.541101, "delta_rust_over_ffi": 0.048019092530166924, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=best, source=c_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "best", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/low-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.34881, "bytes_per_sec": 3006152346.5496974 }, "ffi": { "benchmark_name": "decompress/best/low-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.270614, "bytes_per_sec": 3874803225.2581162 } }, "rust_ms_per_iter": 0.34881, "ffi_ms_per_iter": 0.270614, "rust_bytes_per_sec": 3006152346.5496974, "ffi_bytes_per_sec": 3874803225.2581162, "delta_rust_over_ffi": 0.7758206473438262, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=best, source=rust_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "best", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/low-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.347719, "bytes_per_sec": 3015584423.054248 }, "ffi": { "benchmark_name": "decompress/best/low-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.238498, "bytes_per_sec": 4396581941.986935 } }, "rust_ms_per_iter": 0.347719, "ffi_ms_per_iter": 0.238498, "rust_bytes_per_sec": 3015584423.054248, "ffi_bytes_per_sec": 4396581941.986935, "delta_rust_over_ffi": 0.6858929192825242, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=better, source=c_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "better", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/low-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.345897, "bytes_per_sec": 3031468905.483424 }, "ffi": { "benchmark_name": "decompress/better/low-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.270787, "bytes_per_sec": 3872327696.676724 } }, "rust_ms_per_iter": 0.345897, "ffi_ms_per_iter": 0.270787, "rust_bytes_per_sec": 3031468905.483424, "ffi_bytes_per_sec": 3872327696.676724, "delta_rust_over_ffi": 0.7828544335452461, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=better, source=rust_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "better", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/low-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.347717, "bytes_per_sec": 3015601768.1045218 }, "ffi": { "benchmark_name": "decompress/better/low-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.238614, "bytes_per_sec": 4394444584.140076 } }, "rust_ms_per_iter": 0.347717, "ffi_ms_per_iter": 0.238614, "rust_bytes_per_sec": 3015601768.1045218, "ffi_bytes_per_sec": 4394444584.140076, "delta_rust_over_ffi": 0.6862304690308498, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=default, source=c_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "default", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/low-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.345764, "bytes_per_sec": 3032634976.4579306 }, "ffi": { "benchmark_name": "decompress/default/low-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.272048, "bytes_per_sec": 3854378639.063695 } }, "rust_ms_per_iter": 0.345764, "ffi_ms_per_iter": 0.272048, "rust_bytes_per_sec": 3032634976.4579306, "ffi_bytes_per_sec": 3854378639.063695, "delta_rust_over_ffi": 0.7868025589708586, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=default, source=rust_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "default", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/low-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.348131, "bytes_per_sec": 3012015591.8318105 }, "ffi": { "benchmark_name": "decompress/default/low-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.23864, "bytes_per_sec": 4393965806.235334 } }, "rust_ms_per_iter": 0.348131, "ffi_ms_per_iter": 0.23864, "rust_bytes_per_sec": 3012015591.8318105, "ffi_bytes_per_sec": 4393965806.235334, "delta_rust_over_ffi": 0.6854890831324989, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=fastest, source=c_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "fastest", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/low-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.337186, "bytes_per_sec": 3109785103.770619 }, "ffi": { "benchmark_name": "decompress/fastest/low-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.271517, "bytes_per_sec": 3861916565.0769567 } }, "rust_ms_per_iter": 0.337186, "ffi_ms_per_iter": 0.271517, "rust_bytes_per_sec": 3109785103.770619, "ffi_bytes_per_sec": 3861916565.0769567, "delta_rust_over_ffi": 0.805243989963996, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=fastest, source=rust_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "fastest", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/low-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.344898, "bytes_per_sec": 3040249581.0355525 }, "ffi": { "benchmark_name": "decompress/fastest/low-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.274208, "bytes_per_sec": 3824016804.7613487 } }, "rust_ms_per_iter": 0.344898, "ffi_ms_per_iter": 0.274208, "rust_bytes_per_sec": 3040249581.0355525, "ffi_bytes_per_sec": 3824016804.7613487, "delta_rust_over_ffi": 0.7950408526578873, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=level22, source=c_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "level22", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/low-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.338742, "bytes_per_sec": 3095500410.341794 }, "ffi": { "benchmark_name": "decompress/level22/low-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.238529, "bytes_per_sec": 4396010547.983684 } }, "rust_ms_per_iter": 0.338742, "ffi_ms_per_iter": 0.238529, "rust_bytes_per_sec": 3095500410.341794, "ffi_bytes_per_sec": 4396010547.983684, "delta_rust_over_ffi": 0.7041612790855577, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=level22, source=rust_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "level22", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/low-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.34781, "bytes_per_sec": 3014795434.288836 }, "ffi": { "benchmark_name": "decompress/level22/low-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.23866, "bytes_per_sec": 4393597586.524763 } }, "rust_ms_per_iter": 0.34781, "ffi_ms_per_iter": 0.23866, "rust_bytes_per_sec": 3014795434.288836, "ffi_bytes_per_sec": 4393597586.524763, "delta_rust_over_ffi": 0.6861792357896553, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=level4-row, source=c_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "level4-row", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/low-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.345666, "bytes_per_sec": 3033494760.8384976 }, "ffi": { "benchmark_name": "decompress/level4-row/low-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.270785, "bytes_per_sec": 3872356297.4315414 } }, "rust_ms_per_iter": 0.345666, "ffi_ms_per_iter": 0.270785, "rust_bytes_per_sec": 3033494760.8384976, "ffi_bytes_per_sec": 3872356297.4315414, "delta_rust_over_ffi": 0.783371809781697, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=level4-row, source=rust_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "level4-row", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/low-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.339142, "bytes_per_sec": 3091849431.8014283 }, "ffi": { "benchmark_name": "decompress/level4-row/low-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.238599, "bytes_per_sec": 4394720849.62636 } }, "rust_ms_per_iter": 0.339142, "ffi_ms_per_iter": 0.238599, "rust_bytes_per_sec": 3091849431.8014283, "ffi_bytes_per_sec": 4394720849.62636, "delta_rust_over_ffi": 0.7035371614250079, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=compress, level=best", "scenario": "small-10k-random", "params": { "stage": "compress", "level": "best", "source": null }, "target": "x86_64-gnu", "input_bytes": 10240, "ratio": { "rust": 1.001367, "ffi": 1.001367, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/best/small-10k-random/matrix/pure_rust", "ms_per_iter": 0.105486, "bytes_per_sec": 97074493.2976888 }, "ffi": { "benchmark_name": "compress/best/small-10k-random/matrix/c_ffi", "ms_per_iter": 0.185431, "bytes_per_sec": 55222697.39148255 } }, "rust_ms_per_iter": 0.105486, "ffi_ms_per_iter": 0.185431, "rust_bytes_per_sec": 97074493.2976888, "ffi_bytes_per_sec": 55222697.39148255, "delta_rust_over_ffi": 1.7578730826839581, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=compress, level=better", "scenario": "small-10k-random", "params": { "stage": "compress", "level": "better", "source": null }, "target": "x86_64-gnu", "input_bytes": 10240, "ratio": { "rust": 1.001367, "ffi": 1.001367, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/better/small-10k-random/matrix/pure_rust", "ms_per_iter": 0.102781, "bytes_per_sec": 99629308.91896361 }, "ffi": { "benchmark_name": "compress/better/small-10k-random/matrix/c_ffi", "ms_per_iter": 0.019923, "bytes_per_sec": 513978818.4510365 } }, "rust_ms_per_iter": 0.102781, "ffi_ms_per_iter": 0.019923, "rust_bytes_per_sec": 99629308.91896361, "ffi_bytes_per_sec": 513978818.4510365, "delta_rust_over_ffi": 0.19383932828051875, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=compress, level=default", "scenario": "small-10k-random", "params": { "stage": "compress", "level": "default", "source": null }, "target": "x86_64-gnu", "input_bytes": 10240, "ratio": { "rust": 1.001367, "ffi": 1.001367, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/default/small-10k-random/matrix/pure_rust", "ms_per_iter": 0.109407, "bytes_per_sec": 93595473.7813851 }, "ffi": { "benchmark_name": "compress/default/small-10k-random/matrix/c_ffi", "ms_per_iter": 0.014576, "bytes_per_sec": 702524698.1339188 } }, "rust_ms_per_iter": 0.109407, "ffi_ms_per_iter": 0.014576, "rust_bytes_per_sec": 93595473.7813851, "ffi_bytes_per_sec": 702524698.1339188, "delta_rust_over_ffi": 0.13322730721069034, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=compress, level=fastest", "scenario": "small-10k-random", "params": { "stage": "compress", "level": "fastest", "source": null }, "target": "x86_64-gnu", "input_bytes": 10240, "ratio": { "rust": 1.001367, "ffi": 1.001367, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/fastest/small-10k-random/matrix/pure_rust", "ms_per_iter": 0.091045, "bytes_per_sec": 112471854.57740676 }, "ffi": { "benchmark_name": "compress/fastest/small-10k-random/matrix/c_ffi", "ms_per_iter": 0.011047, "bytes_per_sec": 926948492.8034761 } }, "rust_ms_per_iter": 0.091045, "ffi_ms_per_iter": 0.011047, "rust_bytes_per_sec": 112471854.57740676, "ffi_bytes_per_sec": 926948492.8034761, "delta_rust_over_ffi": 0.12133560327310669, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=compress, level=level22", "scenario": "small-10k-random", "params": { "stage": "compress", "level": "level22", "source": null }, "target": "x86_64-gnu", "input_bytes": 10240, "ratio": { "rust": 1.001367, "ffi": 1.001367, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level22/small-10k-random/matrix/pure_rust", "ms_per_iter": 0.109306, "bytes_per_sec": 93681957.0746345 }, "ffi": { "benchmark_name": "compress/level22/small-10k-random/matrix/c_ffi", "ms_per_iter": 0.431472, "bytes_per_sec": 23732710.349686652 } }, "rust_ms_per_iter": 0.109306, "ffi_ms_per_iter": 0.431472, "rust_bytes_per_sec": 93681957.0746345, "ffi_bytes_per_sec": 23732710.349686652, "delta_rust_over_ffi": 3.9473770881744827, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=compress, level=level4-row", "scenario": "small-10k-random", "params": { "stage": "compress", "level": "level4-row", "source": null }, "target": "x86_64-gnu", "input_bytes": 10240, "ratio": { "rust": 1.001367, "ffi": 1.001367, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level4-row/small-10k-random/matrix/pure_rust", "ms_per_iter": 0.095762, "bytes_per_sec": 106931768.34234874 }, "ffi": { "benchmark_name": "compress/level4-row/small-10k-random/matrix/c_ffi", "ms_per_iter": 0.0189, "bytes_per_sec": 541798941.7989419 } }, "rust_ms_per_iter": 0.095762, "ffi_ms_per_iter": 0.0189, "rust_bytes_per_sec": 106931768.34234874, "ffi_bytes_per_sec": 541798941.7989419, "delta_rust_over_ffi": 0.19736429899124913, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=best, source=c_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "best", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/small-10k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.001574, "bytes_per_sec": 6505717916.13723 }, "ffi": { "benchmark_name": "decompress/best/small-10k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.001028, "bytes_per_sec": 9961089494.163424 } }, "rust_ms_per_iter": 0.001574, "ffi_ms_per_iter": 0.001028, "rust_bytes_per_sec": 6505717916.13723, "ffi_bytes_per_sec": 9961089494.163424, "delta_rust_over_ffi": 0.6531130876747141, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=best, source=rust_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "best", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/small-10k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.001579, "bytes_per_sec": 6485117162.761241 }, "ffi": { "benchmark_name": "decompress/best/small-10k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.001028, "bytes_per_sec": 9961089494.163424 } }, "rust_ms_per_iter": 0.001579, "ffi_ms_per_iter": 0.001028, "rust_bytes_per_sec": 6485117162.761241, "ffi_bytes_per_sec": 9961089494.163424, "delta_rust_over_ffi": 0.6510449651678277, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=better, source=c_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "better", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/small-10k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.001572, "bytes_per_sec": 6513994910.941476 }, "ffi": { "benchmark_name": "decompress/better/small-10k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.001028, "bytes_per_sec": 9961089494.163424 } }, "rust_ms_per_iter": 0.001572, "ffi_ms_per_iter": 0.001028, "rust_bytes_per_sec": 6513994910.941476, "ffi_bytes_per_sec": 9961089494.163424, "delta_rust_over_ffi": 0.6539440203562341, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=better, source=rust_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "better", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/small-10k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.00158, "bytes_per_sec": 6481012658.227848 }, "ffi": { "benchmark_name": "decompress/better/small-10k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.001028, "bytes_per_sec": 9961089494.163424 } }, "rust_ms_per_iter": 0.00158, "ffi_ms_per_iter": 0.001028, "rust_bytes_per_sec": 6481012658.227848, "ffi_bytes_per_sec": 9961089494.163424, "delta_rust_over_ffi": 0.6506329113924051, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=default, source=c_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "default", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/small-10k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.001572, "bytes_per_sec": 6513994910.941476 }, "ffi": { "benchmark_name": "decompress/default/small-10k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.001028, "bytes_per_sec": 9961089494.163424 } }, "rust_ms_per_iter": 0.001572, "ffi_ms_per_iter": 0.001028, "rust_bytes_per_sec": 6513994910.941476, "ffi_bytes_per_sec": 9961089494.163424, "delta_rust_over_ffi": 0.6539440203562341, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=default, source=rust_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "default", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/small-10k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.001579, "bytes_per_sec": 6485117162.761241 }, "ffi": { "benchmark_name": "decompress/default/small-10k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.001028, "bytes_per_sec": 9961089494.163424 } }, "rust_ms_per_iter": 0.001579, "ffi_ms_per_iter": 0.001028, "rust_bytes_per_sec": 6485117162.761241, "ffi_bytes_per_sec": 9961089494.163424, "delta_rust_over_ffi": 0.6510449651678277, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=fastest, source=c_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "fastest", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/small-10k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.001572, "bytes_per_sec": 6513994910.941476 }, "ffi": { "benchmark_name": "decompress/fastest/small-10k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.001028, "bytes_per_sec": 9961089494.163424 } }, "rust_ms_per_iter": 0.001572, "ffi_ms_per_iter": 0.001028, "rust_bytes_per_sec": 6513994910.941476, "ffi_bytes_per_sec": 9961089494.163424, "delta_rust_over_ffi": 0.6539440203562341, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=fastest, source=rust_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "fastest", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/small-10k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.001579, "bytes_per_sec": 6485117162.761241 }, "ffi": { "benchmark_name": "decompress/fastest/small-10k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.001028, "bytes_per_sec": 9961089494.163424 } }, "rust_ms_per_iter": 0.001579, "ffi_ms_per_iter": 0.001028, "rust_bytes_per_sec": 6485117162.761241, "ffi_bytes_per_sec": 9961089494.163424, "delta_rust_over_ffi": 0.6510449651678277, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=level22, source=c_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "level22", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/small-10k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.001572, "bytes_per_sec": 6513994910.941476 }, "ffi": { "benchmark_name": "decompress/level22/small-10k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.001028, "bytes_per_sec": 9961089494.163424 } }, "rust_ms_per_iter": 0.001572, "ffi_ms_per_iter": 0.001028, "rust_bytes_per_sec": 6513994910.941476, "ffi_bytes_per_sec": 9961089494.163424, "delta_rust_over_ffi": 0.6539440203562341, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=level22, source=rust_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "level22", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/small-10k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.001579, "bytes_per_sec": 6485117162.761241 }, "ffi": { "benchmark_name": "decompress/level22/small-10k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.001028, "bytes_per_sec": 9961089494.163424 } }, "rust_ms_per_iter": 0.001579, "ffi_ms_per_iter": 0.001028, "rust_bytes_per_sec": 6485117162.761241, "ffi_bytes_per_sec": 9961089494.163424, "delta_rust_over_ffi": 0.6510449651678277, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=level4-row, source=c_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "level4-row", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/small-10k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.001572, "bytes_per_sec": 6513994910.941476 }, "ffi": { "benchmark_name": "decompress/level4-row/small-10k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.001028, "bytes_per_sec": 9961089494.163424 } }, "rust_ms_per_iter": 0.001572, "ffi_ms_per_iter": 0.001028, "rust_bytes_per_sec": 6513994910.941476, "ffi_bytes_per_sec": 9961089494.163424, "delta_rust_over_ffi": 0.6539440203562341, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=level4-row, source=rust_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "level4-row", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/small-10k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.00158, "bytes_per_sec": 6481012658.227848 }, "ffi": { "benchmark_name": "decompress/level4-row/small-10k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.001028, "bytes_per_sec": 9961089494.163424 } }, "rust_ms_per_iter": 0.00158, "ffi_ms_per_iter": 0.001028, "rust_bytes_per_sec": 6481012658.227848, "ffi_bytes_per_sec": 9961089494.163424, "delta_rust_over_ffi": 0.6506329113924051, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=compress, level=best", "scenario": "small-1k-random", "params": { "stage": "compress", "level": "best", "source": null }, "target": "x86_64-gnu", "input_bytes": 1024, "ratio": { "rust": 1.013672, "ffi": 1.013672, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/best/small-1k-random/matrix/pure_rust", "ms_per_iter": 0.088899, "bytes_per_sec": 11518689.749041047 }, "ffi": { "benchmark_name": "compress/best/small-1k-random/matrix/c_ffi", "ms_per_iter": 0.019252, "bytes_per_sec": 53189279.03594432 } }, "rust_ms_per_iter": 0.088899, "ffi_ms_per_iter": 0.019252, "rust_bytes_per_sec": 11518689.749041047, "ffi_bytes_per_sec": 53189279.03594432, "delta_rust_over_ffi": 0.2165603662583381, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=compress, level=better", "scenario": "small-1k-random", "params": { "stage": "compress", "level": "better", "source": null }, "target": "x86_64-gnu", "input_bytes": 1024, "ratio": { "rust": 1.013672, "ffi": 1.013672, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/better/small-1k-random/matrix/pure_rust", "ms_per_iter": 0.087407, "bytes_per_sec": 11715308.842541216 }, "ffi": { "benchmark_name": "compress/better/small-1k-random/matrix/c_ffi", "ms_per_iter": 0.008328, "bytes_per_sec": 122958693.56388088 } }, "rust_ms_per_iter": 0.087407, "ffi_ms_per_iter": 0.008328, "rust_bytes_per_sec": 11715308.842541216, "ffi_bytes_per_sec": 122958693.56388088, "delta_rust_over_ffi": 0.09527841019597974, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=compress, level=default", "scenario": "small-1k-random", "params": { "stage": "compress", "level": "default", "source": null }, "target": "x86_64-gnu", "input_bytes": 1024, "ratio": { "rust": 1.013672, "ffi": 1.013672, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/default/small-1k-random/matrix/pure_rust", "ms_per_iter": 0.09219, "bytes_per_sec": 11107495.389955526 }, "ffi": { "benchmark_name": "compress/default/small-1k-random/matrix/c_ffi", "ms_per_iter": 0.005041, "bytes_per_sec": 203134298.75024796 } }, "rust_ms_per_iter": 0.09219, "ffi_ms_per_iter": 0.005041, "rust_bytes_per_sec": 11107495.389955526, "ffi_bytes_per_sec": 203134298.75024796, "delta_rust_over_ffi": 0.054680551035904114, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=compress, level=fastest", "scenario": "small-1k-random", "params": { "stage": "compress", "level": "fastest", "source": null }, "target": "x86_64-gnu", "input_bytes": 1024, "ratio": { "rust": 1.013672, "ffi": 1.013672, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/fastest/small-1k-random/matrix/pure_rust", "ms_per_iter": 0.073106, "bytes_per_sec": 14007058.244193362 }, "ffi": { "benchmark_name": "compress/fastest/small-1k-random/matrix/c_ffi", "ms_per_iter": 0.004026, "bytes_per_sec": 254346746.15002483 } }, "rust_ms_per_iter": 0.073106, "ffi_ms_per_iter": 0.004026, "rust_bytes_per_sec": 14007058.244193362, "ffi_bytes_per_sec": 254346746.15002483, "delta_rust_over_ffi": 0.05507071922961179, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=compress, level=level22", "scenario": "small-1k-random", "params": { "stage": "compress", "level": "level22", "source": null }, "target": "x86_64-gnu", "input_bytes": 1024, "ratio": { "rust": 1.013672, "ffi": 1.013672, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level22/small-1k-random/matrix/pure_rust", "ms_per_iter": 0.08272, "bytes_per_sec": 12379110.251450676 }, "ffi": { "benchmark_name": "compress/level22/small-1k-random/matrix/c_ffi", "ms_per_iter": 0.039377, "bytes_per_sec": 26005028.316022042 } }, "rust_ms_per_iter": 0.08272, "ffi_ms_per_iter": 0.039377, "rust_bytes_per_sec": 12379110.251450676, "ffi_bytes_per_sec": 26005028.316022042, "delta_rust_over_ffi": 0.47602756286266923, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=compress, level=level4-row", "scenario": "small-1k-random", "params": { "stage": "compress", "level": "level4-row", "source": null }, "target": "x86_64-gnu", "input_bytes": 1024, "ratio": { "rust": 1.013672, "ffi": 1.013672, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level4-row/small-1k-random/matrix/pure_rust", "ms_per_iter": 0.077508, "bytes_per_sec": 13211539.453991847 }, "ffi": { "benchmark_name": "compress/level4-row/small-1k-random/matrix/c_ffi", "ms_per_iter": 0.008849, "bytes_per_sec": 115719290.31528987 } }, "rust_ms_per_iter": 0.077508, "ffi_ms_per_iter": 0.008849, "rust_bytes_per_sec": 13211539.453991847, "ffi_bytes_per_sec": 115719290.31528987, "delta_rust_over_ffi": 0.11416885998864634, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=best, source=c_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "best", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/small-1k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.000198, "bytes_per_sec": 5171717171.717172 }, "ffi": { "benchmark_name": "decompress/best/small-1k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.000145, "bytes_per_sec": 7062068965.517242 } }, "rust_ms_per_iter": 0.000198, "ffi_ms_per_iter": 0.000145, "rust_bytes_per_sec": 5171717171.717172, "ffi_bytes_per_sec": 7062068965.517242, "delta_rust_over_ffi": 0.7323232323232322, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=best, source=rust_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "best", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/small-1k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.000198, "bytes_per_sec": 5171717171.717172 }, "ffi": { "benchmark_name": "decompress/best/small-1k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.00015, "bytes_per_sec": 6826666666.666667 } }, "rust_ms_per_iter": 0.000198, "ffi_ms_per_iter": 0.00015, "rust_bytes_per_sec": 5171717171.717172, "ffi_bytes_per_sec": 6826666666.666667, "delta_rust_over_ffi": 0.7575757575757576, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=better, source=c_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "better", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/small-1k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.000199, "bytes_per_sec": 5145728643.21608 }, "ffi": { "benchmark_name": "decompress/better/small-1k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.000145, "bytes_per_sec": 7062068965.517242 } }, "rust_ms_per_iter": 0.000199, "ffi_ms_per_iter": 0.000145, "rust_bytes_per_sec": 5145728643.21608, "ffi_bytes_per_sec": 7062068965.517242, "delta_rust_over_ffi": 0.7286432160804018, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=better, source=rust_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "better", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/small-1k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.000199, "bytes_per_sec": 5145728643.21608 }, "ffi": { "benchmark_name": "decompress/better/small-1k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.00015, "bytes_per_sec": 6826666666.666667 } }, "rust_ms_per_iter": 0.000199, "ffi_ms_per_iter": 0.00015, "rust_bytes_per_sec": 5145728643.21608, "ffi_bytes_per_sec": 6826666666.666667, "delta_rust_over_ffi": 0.7537688442211053, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=default, source=c_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "default", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/small-1k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.000198, "bytes_per_sec": 5171717171.717172 }, "ffi": { "benchmark_name": "decompress/default/small-1k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.000145, "bytes_per_sec": 7062068965.517242 } }, "rust_ms_per_iter": 0.000198, "ffi_ms_per_iter": 0.000145, "rust_bytes_per_sec": 5171717171.717172, "ffi_bytes_per_sec": 7062068965.517242, "delta_rust_over_ffi": 0.7323232323232322, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=default, source=rust_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "default", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/small-1k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.000198, "bytes_per_sec": 5171717171.717172 }, "ffi": { "benchmark_name": "decompress/default/small-1k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.00015, "bytes_per_sec": 6826666666.666667 } }, "rust_ms_per_iter": 0.000198, "ffi_ms_per_iter": 0.00015, "rust_bytes_per_sec": 5171717171.717172, "ffi_bytes_per_sec": 6826666666.666667, "delta_rust_over_ffi": 0.7575757575757576, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=fastest, source=c_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "fastest", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/small-1k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.000199, "bytes_per_sec": 5145728643.21608 }, "ffi": { "benchmark_name": "decompress/fastest/small-1k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.000145, "bytes_per_sec": 7062068965.517242 } }, "rust_ms_per_iter": 0.000199, "ffi_ms_per_iter": 0.000145, "rust_bytes_per_sec": 5145728643.21608, "ffi_bytes_per_sec": 7062068965.517242, "delta_rust_over_ffi": 0.7286432160804018, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=fastest, source=rust_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "fastest", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/small-1k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.000199, "bytes_per_sec": 5145728643.21608 }, "ffi": { "benchmark_name": "decompress/fastest/small-1k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.00015, "bytes_per_sec": 6826666666.666667 } }, "rust_ms_per_iter": 0.000199, "ffi_ms_per_iter": 0.00015, "rust_bytes_per_sec": 5145728643.21608, "ffi_bytes_per_sec": 6826666666.666667, "delta_rust_over_ffi": 0.7537688442211053, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=level22, source=c_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "level22", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/small-1k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.000198, "bytes_per_sec": 5171717171.717172 }, "ffi": { "benchmark_name": "decompress/level22/small-1k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.000145, "bytes_per_sec": 7062068965.517242 } }, "rust_ms_per_iter": 0.000198, "ffi_ms_per_iter": 0.000145, "rust_bytes_per_sec": 5171717171.717172, "ffi_bytes_per_sec": 7062068965.517242, "delta_rust_over_ffi": 0.7323232323232322, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=level22, source=rust_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "level22", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/small-1k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.000198, "bytes_per_sec": 5171717171.717172 }, "ffi": { "benchmark_name": "decompress/level22/small-1k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.00015, "bytes_per_sec": 6826666666.666667 } }, "rust_ms_per_iter": 0.000198, "ffi_ms_per_iter": 0.00015, "rust_bytes_per_sec": 5171717171.717172, "ffi_bytes_per_sec": 6826666666.666667, "delta_rust_over_ffi": 0.7575757575757576, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=level4-row, source=c_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "level4-row", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/small-1k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.000198, "bytes_per_sec": 5171717171.717172 }, "ffi": { "benchmark_name": "decompress/level4-row/small-1k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.000145, "bytes_per_sec": 7062068965.517242 } }, "rust_ms_per_iter": 0.000198, "ffi_ms_per_iter": 0.000145, "rust_bytes_per_sec": 5171717171.717172, "ffi_bytes_per_sec": 7062068965.517242, "delta_rust_over_ffi": 0.7323232323232322, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=level4-row, source=rust_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "level4-row", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/small-1k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.000198, "bytes_per_sec": 5171717171.717172 }, "ffi": { "benchmark_name": "decompress/level4-row/small-1k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.00015, "bytes_per_sec": 6826666666.666667 } }, "rust_ms_per_iter": 0.000198, "ffi_ms_per_iter": 0.00015, "rust_bytes_per_sec": 5171717171.717172, "ffi_bytes_per_sec": 6826666666.666667, "delta_rust_over_ffi": 0.7575757575757576, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=compress, level=best", "scenario": "small-4k-log-lines", "params": { "stage": "compress", "level": "best", "source": null }, "target": "x86_64-gnu", "input_bytes": 4096, "ratio": { "rust": 0.036621, "ffi": 0.037598, "delta_rust_over_ffi": 0.974014575243364, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/best/small-4k-log-lines/matrix/pure_rust", "ms_per_iter": 0.200923, "bytes_per_sec": 20385918.983889353 }, "ffi": { "benchmark_name": "compress/best/small-4k-log-lines/matrix/c_ffi", "ms_per_iter": 0.016412, "bytes_per_sec": 249573482.81745067 } }, "rust_ms_per_iter": 0.200923, "ffi_ms_per_iter": 0.016412, "rust_bytes_per_sec": 20385918.983889353, "ffi_bytes_per_sec": 249573482.81745067, "delta_rust_over_ffi": 0.08168303280361133, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=compress, level=better", "scenario": "small-4k-log-lines", "params": { "stage": "compress", "level": "better", "source": null }, "target": "x86_64-gnu", "input_bytes": 4096, "ratio": { "rust": 0.036621, "ffi": 0.037598, "delta_rust_over_ffi": 0.974014575243364, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/better/small-4k-log-lines/matrix/pure_rust", "ms_per_iter": 0.201933, "bytes_per_sec": 20283955.56942154 }, "ffi": { "benchmark_name": "compress/better/small-4k-log-lines/matrix/c_ffi", "ms_per_iter": 0.00993, "bytes_per_sec": 412487411.8831823 } }, "rust_ms_per_iter": 0.201933, "ffi_ms_per_iter": 0.00993, "rust_bytes_per_sec": 20283955.56942154, "ffi_bytes_per_sec": 412487411.8831823, "delta_rust_over_ffi": 0.0491747262705947, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=compress, level=default", "scenario": "small-4k-log-lines", "params": { "stage": "compress", "level": "default", "source": null }, "target": "x86_64-gnu", "input_bytes": 4096, "ratio": { "rust": 0.037842, "ffi": 0.038086, "delta_rust_over_ffi": 0.9935934464107545, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/default/small-4k-log-lines/matrix/pure_rust", "ms_per_iter": 0.231599, "bytes_per_sec": 17685741.302855365 }, "ffi": { "benchmark_name": "compress/default/small-4k-log-lines/matrix/c_ffi", "ms_per_iter": 0.007609, "bytes_per_sec": 538309896.1755816 } }, "rust_ms_per_iter": 0.231599, "ffi_ms_per_iter": 0.007609, "rust_bytes_per_sec": 17685741.302855365, "ffi_bytes_per_sec": 538309896.1755816, "delta_rust_over_ffi": 0.03285420057944982, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=compress, level=fastest", "scenario": "small-4k-log-lines", "params": { "stage": "compress", "level": "fastest", "source": null }, "target": "x86_64-gnu", "input_bytes": 4096, "ratio": { "rust": 0.037598, "ffi": 0.03833, "delta_rust_over_ffi": 0.9809026871901904, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/fastest/small-4k-log-lines/matrix/pure_rust", "ms_per_iter": 0.158334, "bytes_per_sec": 25869364.76056943 }, "ffi": { "benchmark_name": "compress/fastest/small-4k-log-lines/matrix/c_ffi", "ms_per_iter": 0.007325, "bytes_per_sec": 559180887.3720137 } }, "rust_ms_per_iter": 0.158334, "ffi_ms_per_iter": 0.007325, "rust_bytes_per_sec": 25869364.76056943, "ffi_bytes_per_sec": 559180887.3720137, "delta_rust_over_ffi": 0.04626296310331325, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=compress, level=level22", "scenario": "small-4k-log-lines", "params": { "stage": "compress", "level": "level22", "source": null }, "target": "x86_64-gnu", "input_bytes": 4096, "ratio": { "rust": 0.036621, "ffi": 0.036621, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level22/small-4k-log-lines/matrix/pure_rust", "ms_per_iter": 0.290146, "bytes_per_sec": 14117030.736250024 }, "ffi": { "benchmark_name": "compress/level22/small-4k-log-lines/matrix/c_ffi", "ms_per_iter": 0.111002, "bytes_per_sec": 36900236.03178321 } }, "rust_ms_per_iter": 0.290146, "ffi_ms_per_iter": 0.111002, "rust_bytes_per_sec": 14117030.736250024, "ffi_bytes_per_sec": 36900236.03178321, "delta_rust_over_ffi": 0.3825729115686585, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=compress, level=level4-row", "scenario": "small-4k-log-lines", "params": { "stage": "compress", "level": "level4-row", "source": null }, "target": "x86_64-gnu", "input_bytes": 4096, "ratio": { "rust": 0.036865, "ffi": 0.038086, "delta_rust_over_ffi": 0.967940975686604, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level4-row/small-4k-log-lines/matrix/pure_rust", "ms_per_iter": 0.185915, "bytes_per_sec": 22031573.56856628 }, "ffi": { "benchmark_name": "compress/level4-row/small-4k-log-lines/matrix/c_ffi", "ms_per_iter": 0.008278, "bytes_per_sec": 494805508.5769509 } }, "rust_ms_per_iter": 0.185915, "ffi_ms_per_iter": 0.008278, "rust_bytes_per_sec": 22031573.56856628, "ffi_bytes_per_sec": 494805508.5769509, "delta_rust_over_ffi": 0.04452572412123821, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=best, source=c_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "best", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/small-4k-log-lines/c_stream/matrix/pure_rust", "ms_per_iter": 0.00494, "bytes_per_sec": 829149797.5708501 }, "ffi": { "benchmark_name": "decompress/best/small-4k-log-lines/c_stream/matrix/c_ffi", "ms_per_iter": 0.002074, "bytes_per_sec": 1974927675.988428 } }, "rust_ms_per_iter": 0.00494, "ffi_ms_per_iter": 0.002074, "rust_bytes_per_sec": 829149797.5708501, "ffi_bytes_per_sec": 1974927675.988428, "delta_rust_over_ffi": 0.41983805668016194, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=best, source=rust_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "best", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/small-4k-log-lines/rust_stream/matrix/pure_rust", "ms_per_iter": 0.004941, "bytes_per_sec": 828981987.4519328 }, "ffi": { "benchmark_name": "decompress/best/small-4k-log-lines/rust_stream/matrix/c_ffi", "ms_per_iter": 0.002047, "bytes_per_sec": 2000977039.5701025 } }, "rust_ms_per_iter": 0.004941, "ffi_ms_per_iter": 0.002047, "rust_bytes_per_sec": 828981987.4519328, "ffi_bytes_per_sec": 2000977039.5701025, "delta_rust_over_ffi": 0.4142886055454362, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=better, source=c_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "better", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/small-4k-log-lines/c_stream/matrix/pure_rust", "ms_per_iter": 0.004962, "bytes_per_sec": 825473599.3550987 }, "ffi": { "benchmark_name": "decompress/better/small-4k-log-lines/c_stream/matrix/c_ffi", "ms_per_iter": 0.002074, "bytes_per_sec": 1974927675.988428 } }, "rust_ms_per_iter": 0.004962, "ffi_ms_per_iter": 0.002074, "rust_bytes_per_sec": 825473599.3550987, "ffi_bytes_per_sec": 1974927675.988428, "delta_rust_over_ffi": 0.4179766223297058, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=better, source=rust_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "better", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/small-4k-log-lines/rust_stream/matrix/pure_rust", "ms_per_iter": 0.004951, "bytes_per_sec": 827307614.6233084 }, "ffi": { "benchmark_name": "decompress/better/small-4k-log-lines/rust_stream/matrix/c_ffi", "ms_per_iter": 0.002025, "bytes_per_sec": 2022716049.382716 } }, "rust_ms_per_iter": 0.004951, "ffi_ms_per_iter": 0.002025, "rust_bytes_per_sec": 827307614.6233084, "ffi_bytes_per_sec": 2022716049.382716, "delta_rust_over_ffi": 0.4090082811553222, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=default, source=c_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "default", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/small-4k-log-lines/c_stream/matrix/pure_rust", "ms_per_iter": 0.004985, "bytes_per_sec": 821664994.984955 }, "ffi": { "benchmark_name": "decompress/default/small-4k-log-lines/c_stream/matrix/c_ffi", "ms_per_iter": 0.002051, "bytes_per_sec": 1997074597.7571917 } }, "rust_ms_per_iter": 0.004985, "ffi_ms_per_iter": 0.002051, "rust_bytes_per_sec": 821664994.984955, "ffi_bytes_per_sec": 1997074597.7571917, "delta_rust_over_ffi": 0.41143430290872623, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=default, source=rust_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "default", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/small-4k-log-lines/rust_stream/matrix/pure_rust", "ms_per_iter": 0.004963, "bytes_per_sec": 825307273.8263147 }, "ffi": { "benchmark_name": "decompress/default/small-4k-log-lines/rust_stream/matrix/c_ffi", "ms_per_iter": 0.002048, "bytes_per_sec": 2000000000.0000002 } }, "rust_ms_per_iter": 0.004963, "ffi_ms_per_iter": 0.002048, "rust_bytes_per_sec": 825307273.8263147, "ffi_bytes_per_sec": 2000000000.0000002, "delta_rust_over_ffi": 0.4126536369131573, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=fastest, source=c_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "fastest", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/small-4k-log-lines/c_stream/matrix/pure_rust", "ms_per_iter": 0.005002, "bytes_per_sec": 818872451.019592 }, "ffi": { "benchmark_name": "decompress/fastest/small-4k-log-lines/c_stream/matrix/c_ffi", "ms_per_iter": 0.002055, "bytes_per_sec": 1993187347.9318736 } }, "rust_ms_per_iter": 0.005002, "ffi_ms_per_iter": 0.002055, "rust_bytes_per_sec": 818872451.019592, "ffi_bytes_per_sec": 1993187347.9318736, "delta_rust_over_ffi": 0.41083566573370645, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=fastest, source=rust_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "fastest", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/small-4k-log-lines/rust_stream/matrix/pure_rust", "ms_per_iter": 0.00497, "bytes_per_sec": 824144869.2152917 }, "ffi": { "benchmark_name": "decompress/fastest/small-4k-log-lines/rust_stream/matrix/c_ffi", "ms_per_iter": 0.002058, "bytes_per_sec": 1990281827.016521 } }, "rust_ms_per_iter": 0.00497, "ffi_ms_per_iter": 0.002058, "rust_bytes_per_sec": 824144869.2152917, "ffi_bytes_per_sec": 1990281827.016521, "delta_rust_over_ffi": 0.4140845070422535, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=level22, source=c_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "level22", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/small-4k-log-lines/c_stream/matrix/pure_rust", "ms_per_iter": 0.004936, "bytes_per_sec": 829821717.9902754 }, "ffi": { "benchmark_name": "decompress/level22/small-4k-log-lines/c_stream/matrix/c_ffi", "ms_per_iter": 0.00202, "bytes_per_sec": 2027722772.2772276 } }, "rust_ms_per_iter": 0.004936, "ffi_ms_per_iter": 0.00202, "rust_bytes_per_sec": 829821717.9902754, "ffi_bytes_per_sec": 2027722772.2772276, "delta_rust_over_ffi": 0.4092382495948136, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=level22, source=rust_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "level22", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/small-4k-log-lines/rust_stream/matrix/pure_rust", "ms_per_iter": 0.004946, "bytes_per_sec": 828143954.7108775 }, "ffi": { "benchmark_name": "decompress/level22/small-4k-log-lines/rust_stream/matrix/c_ffi", "ms_per_iter": 0.002025, "bytes_per_sec": 2022716049.382716 } }, "rust_ms_per_iter": 0.004946, "ffi_ms_per_iter": 0.002025, "rust_bytes_per_sec": 828143954.7108775, "ffi_bytes_per_sec": 2022716049.382716, "delta_rust_over_ffi": 0.4094217549534978, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=level4-row, source=c_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "level4-row", "source": "c_stream" }, "target": "x86_64-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/small-4k-log-lines/c_stream/matrix/pure_rust", "ms_per_iter": 0.004992, "bytes_per_sec": 820512820.5128206 }, "ffi": { "benchmark_name": "decompress/level4-row/small-4k-log-lines/c_stream/matrix/c_ffi", "ms_per_iter": 0.002054, "bytes_per_sec": 1994157740.9931843 } }, "rust_ms_per_iter": 0.004992, "ffi_ms_per_iter": 0.002054, "rust_bytes_per_sec": 820512820.5128206, "ffi_bytes_per_sec": 1994157740.9931843, "delta_rust_over_ffi": 0.4114583333333333, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=level4-row, source=rust_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "level4-row", "source": "rust_stream" }, "target": "x86_64-gnu", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/small-4k-log-lines/rust_stream/matrix/pure_rust", "ms_per_iter": 0.004942, "bytes_per_sec": 828814245.2448401 }, "ffi": { "benchmark_name": "decompress/level4-row/small-4k-log-lines/rust_stream/matrix/c_ffi", "ms_per_iter": 0.002032, "bytes_per_sec": 2015748031.4960632 } }, "rust_ms_per_iter": 0.004942, "ffi_ms_per_iter": 0.002032, "rust_bytes_per_sec": 828814245.2448401, "ffi_bytes_per_sec": 2015748031.4960632, "delta_rust_over_ffi": 0.41116956697693235, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-gnu", "target_triple": "x86_64-unknown-linux-gnu", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=compress, level=best", "scenario": "decodecorpus-z000033", "params": { "stage": "compress", "level": "best", "source": null }, "target": "x86_64-musl", "input_bytes": 1022035, "ratio": { "rust": 0.469797, "ffi": 0.498345, "delta_rust_over_ffi": 0.9427143846130693, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/best/decodecorpus-z000033/matrix/pure_rust", "ms_per_iter": 154.925939, "bytes_per_sec": 6596926.2900514025 }, "ffi": { "benchmark_name": "compress/best/decodecorpus-z000033/matrix/c_ffi", "ms_per_iter": 22.318241, "bytes_per_sec": 45793707.487969145 } }, "rust_ms_per_iter": 154.925939, "ffi_ms_per_iter": 22.318241, "rust_bytes_per_sec": 6596926.2900514025, "ffi_bytes_per_sec": 45793707.487969145, "delta_rust_over_ffi": 0.14405748413763042, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=compress, level=better", "scenario": "decodecorpus-z000033", "params": { "stage": "compress", "level": "better", "source": null }, "target": "x86_64-musl", "input_bytes": 1022035, "ratio": { "rust": 0.470723, "ffi": 0.499041, "delta_rust_over_ffi": 0.9432551634034078, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/better/decodecorpus-z000033/matrix/pure_rust", "ms_per_iter": 135.134599, "bytes_per_sec": 7563089.0057993205 }, "ffi": { "benchmark_name": "compress/better/decodecorpus-z000033/matrix/c_ffi", "ms_per_iter": 14.103522, "bytes_per_sec": 72466650.52885371 } }, "rust_ms_per_iter": 135.134599, "ffi_ms_per_iter": 14.103522, "rust_bytes_per_sec": 7563089.0057993205, "ffi_bytes_per_sec": 72466650.52885371, "delta_rust_over_ffi": 0.10436647686356029, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=compress, level=default", "scenario": "decodecorpus-z000033", "params": { "stage": "compress", "level": "default", "source": null }, "target": "x86_64-musl", "input_bytes": 1022035, "ratio": { "rust": 0.534833, "ffi": 0.515783, "delta_rust_over_ffi": 1.0369341370304954, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/default/decodecorpus-z000033/matrix/pure_rust", "ms_per_iter": 139.244857, "bytes_per_sec": 7339840.206809218 }, "ffi": { "benchmark_name": "compress/default/decodecorpus-z000033/matrix/c_ffi", "ms_per_iter": 6.582529, "bytes_per_sec": 155264792.60478762 } }, "rust_ms_per_iter": 139.244857, "ffi_ms_per_iter": 6.582529, "rust_bytes_per_sec": 7339840.206809218, "ffi_bytes_per_sec": 155264792.60478762, "delta_rust_over_ffi": 0.04727304937373737, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=compress, level=fastest", "scenario": "decodecorpus-z000033", "params": { "stage": "compress", "level": "fastest", "source": null }, "target": "x86_64-musl", "input_bytes": 1022035, "ratio": { "rust": 0.556555, "ffi": 0.558207, "delta_rust_over_ffi": 0.9970405243932806, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/fastest/decodecorpus-z000033/matrix/pure_rust", "ms_per_iter": 35.912603, "bytes_per_sec": 28458950.74773611 }, "ffi": { "benchmark_name": "compress/fastest/decodecorpus-z000033/matrix/c_ffi", "ms_per_iter": 3.672461, "bytes_per_sec": 278297032.9705339 } }, "rust_ms_per_iter": 35.912603, "ffi_ms_per_iter": 3.672461, "rust_bytes_per_sec": 28458950.74773611, "ffi_bytes_per_sec": 278297032.9705339, "delta_rust_over_ffi": 0.10226106417293118, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=compress, level=level22", "scenario": "decodecorpus-z000033", "params": { "stage": "compress", "level": "level22", "source": null }, "target": "x86_64-musl", "input_bytes": 1022035, "ratio": { "rust": 0.417445, "ffi": 0.417975, "delta_rust_over_ffi": 0.9987319815778456, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level22/decodecorpus-z000033/matrix/pure_rust", "ms_per_iter": 716.681371, "bytes_per_sec": 1426066.08927749 }, "ffi": { "benchmark_name": "compress/level22/decodecorpus-z000033/matrix/c_ffi", "ms_per_iter": 270.786306, "bytes_per_sec": 3774323.0634417674 } }, "rust_ms_per_iter": 716.681371, "ffi_ms_per_iter": 270.786306, "rust_bytes_per_sec": 1426066.08927749, "ffi_bytes_per_sec": 3774323.0634417674, "delta_rust_over_ffi": 0.37783360494241175, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=compress, level=level4-row", "scenario": "decodecorpus-z000033", "params": { "stage": "compress", "level": "level4-row", "source": null }, "target": "x86_64-musl", "input_bytes": 1022035, "ratio": { "rust": 0.527758, "ffi": 0.514819, "delta_rust_over_ffi": 1.0251331050330308, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level4-row/decodecorpus-z000033/matrix/pure_rust", "ms_per_iter": 85.660804, "bytes_per_sec": 11931186.17004809 }, "ffi": { "benchmark_name": "compress/level4-row/decodecorpus-z000033/matrix/c_ffi", "ms_per_iter": 7.502078, "bytes_per_sec": 136233587.54734355 } }, "rust_ms_per_iter": 85.660804, "ffi_ms_per_iter": 7.502078, "rust_bytes_per_sec": 11931186.17004809, "ffi_bytes_per_sec": 136233587.54734355, "delta_rust_over_ffi": 0.08757888847272552, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=best, source=c_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "best", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/decodecorpus-z000033/c_stream/matrix/pure_rust", "ms_per_iter": 8.113645, "bytes_per_sec": 125964963.9588619 }, "ffi": { "benchmark_name": "decompress/best/decodecorpus-z000033/c_stream/matrix/c_ffi", "ms_per_iter": 1.049146, "bytes_per_sec": 974158982.6392133 } }, "rust_ms_per_iter": 8.113645, "ffi_ms_per_iter": 1.049146, "rust_bytes_per_sec": 125964963.9588619, "ffi_bytes_per_sec": 974158982.6392133, "delta_rust_over_ffi": 0.12930637216688676, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=best, source=rust_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "best", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/decodecorpus-z000033/rust_stream/matrix/pure_rust", "ms_per_iter": 8.844312, "bytes_per_sec": 115558451.57882264 }, "ffi": { "benchmark_name": "decompress/best/decodecorpus-z000033/rust_stream/matrix/c_ffi", "ms_per_iter": 1.183, "bytes_per_sec": 863934911.2426035 } }, "rust_ms_per_iter": 8.844312, "ffi_ms_per_iter": 1.183, "rust_bytes_per_sec": 115558451.57882264, "ffi_bytes_per_sec": 863934911.2426035, "delta_rust_over_ffi": 0.13375828442054058, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=better, source=c_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "better", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/decodecorpus-z000033/c_stream/matrix/pure_rust", "ms_per_iter": 8.24078, "bytes_per_sec": 124021633.87446332 }, "ffi": { "benchmark_name": "decompress/better/decodecorpus-z000033/c_stream/matrix/c_ffi", "ms_per_iter": 1.074124, "bytes_per_sec": 951505598.9811231 } }, "rust_ms_per_iter": 8.24078, "ffi_ms_per_iter": 1.074124, "rust_bytes_per_sec": 124021633.87446332, "ffi_bytes_per_sec": 951505598.9811231, "delta_rust_over_ffi": 0.1303425161210468, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=better, source=rust_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "better", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/decodecorpus-z000033/rust_stream/matrix/pure_rust", "ms_per_iter": 8.91923, "bytes_per_sec": 114587806.34651197 }, "ffi": { "benchmark_name": "decompress/better/decodecorpus-z000033/rust_stream/matrix/c_ffi", "ms_per_iter": 1.197614, "bytes_per_sec": 853392662.410426 } }, "rust_ms_per_iter": 8.91923, "ffi_ms_per_iter": 1.197614, "rust_bytes_per_sec": 114587806.34651197, "ffi_bytes_per_sec": 853392662.410426, "delta_rust_over_ffi": 0.13427325004512722, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=default, source=c_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "default", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/decodecorpus-z000033/c_stream/matrix/pure_rust", "ms_per_iter": 8.402816, "bytes_per_sec": 121630058.30426371 }, "ffi": { "benchmark_name": "decompress/default/decodecorpus-z000033/c_stream/matrix/c_ffi", "ms_per_iter": 1.143313, "bytes_per_sec": 893924061.0401527 } }, "rust_ms_per_iter": 8.402816, "ffi_ms_per_iter": 1.143313, "rust_bytes_per_sec": 121630058.30426371, "ffi_bytes_per_sec": 893924061.0401527, "delta_rust_over_ffi": 0.1360630769494417, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=default, source=rust_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "default", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/decodecorpus-z000033/rust_stream/matrix/pure_rust", "ms_per_iter": 7.838996, "bytes_per_sec": 130378303.54805642 }, "ffi": { "benchmark_name": "decompress/default/decodecorpus-z000033/rust_stream/matrix/c_ffi", "ms_per_iter": 1.039886, "bytes_per_sec": 982833695.2319773 } }, "rust_ms_per_iter": 7.838996, "ffi_ms_per_iter": 1.039886, "rust_bytes_per_sec": 130378303.54805642, "ffi_bytes_per_sec": 982833695.2319773, "delta_rust_over_ffi": 0.13265550843500878, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=fastest, source=c_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "fastest", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/decodecorpus-z000033/c_stream/matrix/pure_rust", "ms_per_iter": 7.982209, "bytes_per_sec": 128039117.99352784 }, "ffi": { "benchmark_name": "decompress/fastest/decodecorpus-z000033/c_stream/matrix/c_ffi", "ms_per_iter": 1.044188, "bytes_per_sec": 978784471.76179 } }, "rust_ms_per_iter": 7.982209, "ffi_ms_per_iter": 1.044188, "rust_bytes_per_sec": 128039117.99352784, "ffi_bytes_per_sec": 978784471.76179, "delta_rust_over_ffi": 0.13081441490695117, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=fastest, source=rust_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "fastest", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/decodecorpus-z000033/rust_stream/matrix/pure_rust", "ms_per_iter": 8.516284, "bytes_per_sec": 120009501.79679306 }, "ffi": { "benchmark_name": "decompress/fastest/decodecorpus-z000033/rust_stream/matrix/c_ffi", "ms_per_iter": 1.122749, "bytes_per_sec": 910296958.625659 } }, "rust_ms_per_iter": 8.516284, "ffi_ms_per_iter": 1.122749, "rust_bytes_per_sec": 120009501.79679306, "ffi_bytes_per_sec": 910296958.625659, "delta_rust_over_ffi": 0.13183555175003558, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=level22, source=c_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "level22", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/decodecorpus-z000033/c_stream/matrix/pure_rust", "ms_per_iter": 9.86633, "bytes_per_sec": 103588162.97447988 }, "ffi": { "benchmark_name": "decompress/level22/decodecorpus-z000033/c_stream/matrix/c_ffi", "ms_per_iter": 1.949515, "bytes_per_sec": 524250903.4298274 } }, "rust_ms_per_iter": 9.86633, "ffi_ms_per_iter": 1.949515, "rust_bytes_per_sec": 103588162.97447988, "ffi_bytes_per_sec": 524250903.4298274, "delta_rust_over_ffi": 0.1975927219138221, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=level22, source=rust_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "level22", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/decodecorpus-z000033/rust_stream/matrix/pure_rust", "ms_per_iter": 10.147459, "bytes_per_sec": 100718317.75816981 }, "ffi": { "benchmark_name": "decompress/level22/decodecorpus-z000033/rust_stream/matrix/c_ffi", "ms_per_iter": 2.035082, "bytes_per_sec": 502208264.82667524 } }, "rust_ms_per_iter": 10.147459, "ffi_ms_per_iter": 2.035082, "rust_bytes_per_sec": 100718317.75816981, "ffi_bytes_per_sec": 502208264.82667524, "delta_rust_over_ffi": 0.20055089653478772, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=level4-row, source=c_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "level4-row", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/decodecorpus-z000033/c_stream/matrix/pure_rust", "ms_per_iter": 8.425321, "bytes_per_sec": 121305170.44988553 }, "ffi": { "benchmark_name": "decompress/level4-row/decodecorpus-z000033/c_stream/matrix/c_ffi", "ms_per_iter": 1.118071, "bytes_per_sec": 914105633.7209355 } }, "rust_ms_per_iter": 8.425321, "ffi_ms_per_iter": 1.118071, "rust_bytes_per_sec": 121305170.44988553, "ffi_bytes_per_sec": 914105633.7209355, "delta_rust_over_ffi": 0.1327036679077272, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "decodecorpus-z000033 + stage=decompress, level=level4-row, source=rust_stream", "scenario": "decodecorpus-z000033", "params": { "stage": "decompress", "level": "level4-row", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1022035, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/decodecorpus-z000033/rust_stream/matrix/pure_rust", "ms_per_iter": 7.747356, "bytes_per_sec": 131920490.03556827 }, "ffi": { "benchmark_name": "decompress/level4-row/decodecorpus-z000033/rust_stream/matrix/c_ffi", "ms_per_iter": 0.986681, "bytes_per_sec": 1035831236.2354194 } }, "rust_ms_per_iter": 7.747356, "ffi_ms_per_iter": 0.986681, "rust_bytes_per_sec": 131920490.03556827, "ffi_bytes_per_sec": 1035831236.2354194, "delta_rust_over_ffi": 0.1273571267410456, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=compress, level=best", "scenario": "high-entropy-1m", "params": { "stage": "compress", "level": "best", "source": null }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": 1.000038, "ffi": 1.000038, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/best/high-entropy-1m/matrix/pure_rust", "ms_per_iter": 8.582284, "bytes_per_sec": 122179130.87005745 }, "ffi": { "benchmark_name": "compress/best/high-entropy-1m/matrix/c_ffi", "ms_per_iter": 3.785067, "bytes_per_sec": 277029706.4754732 } }, "rust_ms_per_iter": 8.582284, "ffi_ms_per_iter": 3.785067, "rust_bytes_per_sec": 122179130.87005745, "ffi_bytes_per_sec": 277029706.4754732, "delta_rust_over_ffi": 0.4410325969170911, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=compress, level=better", "scenario": "high-entropy-1m", "params": { "stage": "compress", "level": "better", "source": null }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": 1.000038, "ffi": 1.000038, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/better/high-entropy-1m/matrix/pure_rust", "ms_per_iter": 6.612918, "bytes_per_sec": 158564796.96255118 }, "ffi": { "benchmark_name": "compress/better/high-entropy-1m/matrix/c_ffi", "ms_per_iter": 2.633916, "bytes_per_sec": 398105330.6179848 } }, "rust_ms_per_iter": 6.612918, "ffi_ms_per_iter": 2.633916, "rust_bytes_per_sec": 158564796.96255118, "ffi_bytes_per_sec": 398105330.6179848, "delta_rust_over_ffi": 0.3982986028255605, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=compress, level=default", "scenario": "high-entropy-1m", "params": { "stage": "compress", "level": "default", "source": null }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": 1.000038, "ffi": 1.000038, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/default/high-entropy-1m/matrix/pure_rust", "ms_per_iter": 14.450891, "bytes_per_sec": 72561338.9513491 }, "ffi": { "benchmark_name": "compress/default/high-entropy-1m/matrix/c_ffi", "ms_per_iter": 1.95501, "bytes_per_sec": 536353266.7352085 } }, "rust_ms_per_iter": 14.450891, "ffi_ms_per_iter": 1.95501, "rust_bytes_per_sec": 72561338.9513491, "ffi_bytes_per_sec": 536353266.7352085, "delta_rust_over_ffi": 0.13528646780326556, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=compress, level=fastest", "scenario": "high-entropy-1m", "params": { "stage": "compress", "level": "fastest", "source": null }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": 1.000039, "ffi": 1.000039, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/fastest/high-entropy-1m/matrix/pure_rust", "ms_per_iter": 5.300985, "bytes_per_sec": 197807765.91520253 }, "ffi": { "benchmark_name": "compress/fastest/high-entropy-1m/matrix/c_ffi", "ms_per_iter": 1.424333, "bytes_per_sec": 736187394.3803872 } }, "rust_ms_per_iter": 5.300985, "ffi_ms_per_iter": 1.424333, "rust_bytes_per_sec": 197807765.91520253, "ffi_bytes_per_sec": 736187394.3803872, "delta_rust_over_ffi": 0.268692139291094, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=compress, level=level22", "scenario": "high-entropy-1m", "params": { "stage": "compress", "level": "level22", "source": null }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": 1.000038, "ffi": 1.000038, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level22/high-entropy-1m/matrix/pure_rust", "ms_per_iter": 14.180834, "bytes_per_sec": 73943182.74933617 }, "ffi": { "benchmark_name": "compress/level22/high-entropy-1m/matrix/c_ffi", "ms_per_iter": 86.846295, "bytes_per_sec": 12073929.002958618 } }, "rust_ms_per_iter": 14.180834, "ffi_ms_per_iter": 86.846295, "rust_bytes_per_sec": 73943182.74933617, "ffi_bytes_per_sec": 12073929.002958618, "delta_rust_over_ffi": 6.124202215469131, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=compress, level=level4-row", "scenario": "high-entropy-1m", "params": { "stage": "compress", "level": "level4-row", "source": null }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": 1.000038, "ffi": 1.000038, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level4-row/high-entropy-1m/matrix/pure_rust", "ms_per_iter": 7.108589, "bytes_per_sec": 147508317.0513867 }, "ffi": { "benchmark_name": "compress/level4-row/high-entropy-1m/matrix/c_ffi", "ms_per_iter": 2.571958, "bytes_per_sec": 407695615.55826336 } }, "rust_ms_per_iter": 7.108589, "ffi_ms_per_iter": 2.571958, "rust_bytes_per_sec": 147508317.0513867, "ffi_bytes_per_sec": 407695615.55826336, "delta_rust_over_ffi": 0.36180991755185177, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=best, source=c_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "best", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/high-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.154512, "bytes_per_sec": 6786372579.4760275 }, "ffi": { "benchmark_name": "decompress/best/high-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.112995, "bytes_per_sec": 9279844240.895615 } }, "rust_ms_per_iter": 0.154512, "ffi_ms_per_iter": 0.112995, "rust_bytes_per_sec": 6786372579.4760275, "ffi_bytes_per_sec": 9279844240.895615, "delta_rust_over_ffi": 0.7313024231127679, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=best, source=rust_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "best", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/high-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.168718, "bytes_per_sec": 6214962244.692327 }, "ffi": { "benchmark_name": "decompress/best/high-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.110802, "bytes_per_sec": 9463511488.962294 } }, "rust_ms_per_iter": 0.168718, "ffi_ms_per_iter": 0.110802, "rust_bytes_per_sec": 6214962244.692327, "ffi_bytes_per_sec": 9463511488.962294, "delta_rust_over_ffi": 0.6567289797176353, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=better, source=c_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "better", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/high-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.167964, "bytes_per_sec": 6242861565.573576 }, "ffi": { "benchmark_name": "decompress/better/high-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.121993, "bytes_per_sec": 8595378423.35216 } }, "rust_ms_per_iter": 0.167964, "ffi_ms_per_iter": 0.121993, "rust_bytes_per_sec": 6242861565.573576, "ffi_bytes_per_sec": 8595378423.35216, "delta_rust_over_ffi": 0.7263044461908506, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=better, source=rust_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "better", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/high-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.167807, "bytes_per_sec": 6248702378.327483 }, "ffi": { "benchmark_name": "decompress/better/high-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.12101, "bytes_per_sec": 8665201223.039417 } }, "rust_ms_per_iter": 0.167807, "ffi_ms_per_iter": 0.12101, "rust_bytes_per_sec": 6248702378.327483, "ffi_bytes_per_sec": 8665201223.039417, "delta_rust_over_ffi": 0.721126055528077, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=default, source=c_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "default", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/high-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.154409, "bytes_per_sec": 6790899494.200468 }, "ffi": { "benchmark_name": "decompress/default/high-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.121022, "bytes_per_sec": 8664342020.45909 } }, "rust_ms_per_iter": 0.154409, "ffi_ms_per_iter": 0.121022, "rust_bytes_per_sec": 6790899494.200468, "ffi_bytes_per_sec": 8664342020.45909, "delta_rust_over_ffi": 0.7837755571242611, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=default, source=rust_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "default", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/high-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.154353, "bytes_per_sec": 6793363264.724366 }, "ffi": { "benchmark_name": "decompress/default/high-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.112947, "bytes_per_sec": 9283787971.349394 } }, "rust_ms_per_iter": 0.154353, "ffi_ms_per_iter": 0.112947, "rust_bytes_per_sec": 6793363264.724366, "ffi_bytes_per_sec": 9283787971.349394, "delta_rust_over_ffi": 0.7317447668655614, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=fastest, source=c_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "fastest", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/high-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.153416, "bytes_per_sec": 6834854252.489963 }, "ffi": { "benchmark_name": "decompress/fastest/high-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.110553, "bytes_per_sec": 9484826282.416578 } }, "rust_ms_per_iter": 0.153416, "ffi_ms_per_iter": 0.110553, "rust_bytes_per_sec": 6834854252.489963, "ffi_bytes_per_sec": 9484826282.416578, "delta_rust_over_ffi": 0.7206093236689786, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=fastest, source=rust_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "fastest", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/high-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.154804, "bytes_per_sec": 6773571742.332239 }, "ffi": { "benchmark_name": "decompress/fastest/high-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.112541, "bytes_per_sec": 9317279924.649683 } }, "rust_ms_per_iter": 0.154804, "ffi_ms_per_iter": 0.112541, "rust_bytes_per_sec": 6773571742.332239, "ffi_bytes_per_sec": 9317279924.649683, "delta_rust_over_ffi": 0.7269902586496473, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=level22, source=c_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "level22", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/high-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.154716, "bytes_per_sec": 6777424442.20378 }, "ffi": { "benchmark_name": "decompress/level22/high-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.111571, "bytes_per_sec": 9398284500.452625 } }, "rust_ms_per_iter": 0.154716, "ffi_ms_per_iter": 0.111571, "rust_bytes_per_sec": 6777424442.20378, "ffi_bytes_per_sec": 9398284500.452625, "delta_rust_over_ffi": 0.7211342071925335, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=level22, source=rust_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "level22", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/high-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.154471, "bytes_per_sec": 6788173831.981408 }, "ffi": { "benchmark_name": "decompress/level22/high-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.11108, "bytes_per_sec": 9439827151.60245 } }, "rust_ms_per_iter": 0.154471, "ffi_ms_per_iter": 0.11108, "rust_bytes_per_sec": 6788173831.981408, "ffi_bytes_per_sec": 9439827151.60245, "delta_rust_over_ffi": 0.7190993778767536, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=level4-row, source=c_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "level4-row", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/high-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.168085, "bytes_per_sec": 6238367492.637653 }, "ffi": { "benchmark_name": "decompress/level4-row/high-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.121785, "bytes_per_sec": 8610058710.021759 } }, "rust_ms_per_iter": 0.168085, "ffi_ms_per_iter": 0.121785, "rust_bytes_per_sec": 6238367492.637653, "ffi_bytes_per_sec": 8610058710.021759, "delta_rust_over_ffi": 0.7245441294583098, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "high-entropy-1m + stage=decompress, level=level4-row, source=rust_stream", "scenario": "high-entropy-1m", "params": { "stage": "decompress", "level": "level4-row", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/high-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.167954, "bytes_per_sec": 6243233266.251473 }, "ffi": { "benchmark_name": "decompress/level4-row/high-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.120859, "bytes_per_sec": 8676027436.93064 } }, "rust_ms_per_iter": 0.167954, "ffi_ms_per_iter": 0.120859, "rust_bytes_per_sec": 6243233266.251473, "ffi_bytes_per_sec": 8676027436.93064, "delta_rust_over_ffi": 0.7195958417185657, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=compress, level=best", "scenario": "large-log-stream", "params": { "stage": "compress", "level": "best", "source": null }, "target": "x86_64-musl", "input_bytes": 16777216, "ratio": { "rust": 9.3e-05, "ffi": 0.000184, "delta_rust_over_ffi": 0.5054347826086957, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/best/large-log-stream/matrix/pure_rust", "ms_per_iter": 107.667383, "bytes_per_sec": 155824498.8642475 }, "ffi": { "benchmark_name": "compress/best/large-log-stream/matrix/c_ffi", "ms_per_iter": 14.546943, "bytes_per_sec": 1153315579.775077 } }, "rust_ms_per_iter": 107.667383, "ffi_ms_per_iter": 14.546943, "rust_bytes_per_sec": 155824498.8642475, "ffi_bytes_per_sec": 1153315579.775077, "delta_rust_over_ffi": 0.13511002677570422, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=compress, level=better", "scenario": "large-log-stream", "params": { "stage": "compress", "level": "better", "source": null }, "target": "x86_64-musl", "input_bytes": 16777216, "ratio": { "rust": 9.3e-05, "ffi": 0.000101, "delta_rust_over_ffi": 0.9207920792079207, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/better/large-log-stream/matrix/pure_rust", "ms_per_iter": 104.073747, "bytes_per_sec": 161205073.16797194 }, "ffi": { "benchmark_name": "compress/better/large-log-stream/matrix/c_ffi", "ms_per_iter": 14.200106, "bytes_per_sec": 1181485264.9691489 } }, "rust_ms_per_iter": 104.073747, "ffi_ms_per_iter": 14.200106, "rust_bytes_per_sec": 161205073.16797194, "ffi_bytes_per_sec": 1181485264.9691489, "delta_rust_over_ffi": 0.136442728443322, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=compress, level=default", "scenario": "large-log-stream", "params": { "stage": "compress", "level": "default", "source": null }, "target": "x86_64-musl", "input_bytes": 16777216, "ratio": { "rust": 9.3e-05, "ffi": 0.000101, "delta_rust_over_ffi": 0.9207920792079207, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/default/large-log-stream/matrix/pure_rust", "ms_per_iter": 162.267321, "bytes_per_sec": 103392450.78187984 }, "ffi": { "benchmark_name": "compress/default/large-log-stream/matrix/c_ffi", "ms_per_iter": 6.362338, "bytes_per_sec": 2636957671.849562 } }, "rust_ms_per_iter": 162.267321, "ffi_ms_per_iter": 6.362338, "rust_bytes_per_sec": 103392450.78187984, "ffi_bytes_per_sec": 2636957671.849562, "delta_rust_over_ffi": 0.03920899143950247, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=compress, level=fastest", "scenario": "large-log-stream", "params": { "stage": "compress", "level": "fastest", "source": null }, "target": "x86_64-musl", "input_bytes": 16777216, "ratio": { "rust": 0.0009, "ffi": 0.000101, "delta_rust_over_ffi": 8.91089108910891, "status": "rust_worse_larger", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/fastest/large-log-stream/matrix/pure_rust", "ms_per_iter": 44.509911, "bytes_per_sec": 376932139.9002573 }, "ffi": { "benchmark_name": "compress/fastest/large-log-stream/matrix/c_ffi", "ms_per_iter": 4.50393, "bytes_per_sec": 3725017040.673367 } }, "rust_ms_per_iter": 44.509911, "ffi_ms_per_iter": 4.50393, "rust_bytes_per_sec": 376932139.9002573, "ffi_bytes_per_sec": 3725017040.673367, "delta_rust_over_ffi": 0.10118937330609358, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=compress, level=level22", "scenario": "large-log-stream", "params": { "stage": "compress", "level": "level22", "source": null }, "target": "x86_64-musl", "input_bytes": 16777216, "ratio": { "rust": 9.3e-05, "ffi": 9.3e-05, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level22/large-log-stream/matrix/pure_rust", "ms_per_iter": 54.235664, "bytes_per_sec": 309339183.1618398 }, "ffi": { "benchmark_name": "compress/level22/large-log-stream/matrix/c_ffi", "ms_per_iter": 44.285267, "bytes_per_sec": 378844187.61661756 } }, "rust_ms_per_iter": 54.235664, "ffi_ms_per_iter": 44.285267, "rust_bytes_per_sec": 309339183.1618398, "ffi_bytes_per_sec": 378844187.61661756, "delta_rust_over_ffi": 0.8165340614249693, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=compress, level=level4-row", "scenario": "large-log-stream", "params": { "stage": "compress", "level": "level4-row", "source": null }, "target": "x86_64-musl", "input_bytes": 16777216, "ratio": { "rust": 9.3e-05, "ffi": 0.000101, "delta_rust_over_ffi": 0.9207920792079207, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level4-row/large-log-stream/matrix/pure_rust", "ms_per_iter": 125.384057, "bytes_per_sec": 133806613.06883699 }, "ffi": { "benchmark_name": "compress/level4-row/large-log-stream/matrix/c_ffi", "ms_per_iter": 6.105735, "bytes_per_sec": 2747779915.112595 } }, "rust_ms_per_iter": 125.384057, "ffi_ms_per_iter": 6.105735, "rust_bytes_per_sec": 133806613.06883699, "ffi_bytes_per_sec": 2747779915.112595, "delta_rust_over_ffi": 0.04869626287495228, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=best, source=c_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "best", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/large-log-stream/c_stream/matrix/pure_rust", "ms_per_iter": 4.259542, "bytes_per_sec": 3938737075.4883976 }, "ffi": { "benchmark_name": "decompress/best/large-log-stream/c_stream/matrix/c_ffi", "ms_per_iter": 2.103844, "bytes_per_sec": 7974553246.34336 } }, "rust_ms_per_iter": 4.259542, "ffi_ms_per_iter": 2.103844, "rust_bytes_per_sec": 3938737075.4883976, "ffi_bytes_per_sec": 7974553246.34336, "delta_rust_over_ffi": 0.4939131953623183, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=best, source=rust_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "best", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/large-log-stream/rust_stream/matrix/pure_rust", "ms_per_iter": 4.207029, "bytes_per_sec": 3987901200.5859714 }, "ffi": { "benchmark_name": "decompress/best/large-log-stream/rust_stream/matrix/c_ffi", "ms_per_iter": 1.995722, "bytes_per_sec": 8406589695.358371 } }, "rust_ms_per_iter": 4.207029, "ffi_ms_per_iter": 1.995722, "rust_bytes_per_sec": 3987901200.5859714, "ffi_bytes_per_sec": 8406589695.358371, "delta_rust_over_ffi": 0.4743779992959402, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=better, source=c_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "better", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/large-log-stream/c_stream/matrix/pure_rust", "ms_per_iter": 3.997726, "bytes_per_sec": 4196689818.161625 }, "ffi": { "benchmark_name": "decompress/better/large-log-stream/c_stream/matrix/c_ffi", "ms_per_iter": 2.153201, "bytes_per_sec": 7791755623.371901 } }, "rust_ms_per_iter": 3.997726, "ffi_ms_per_iter": 2.153201, "rust_bytes_per_sec": 4196689818.161625, "ffi_bytes_per_sec": 7791755623.371901, "delta_rust_over_ffi": 0.5386064477655548, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=better, source=rust_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "better", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/large-log-stream/rust_stream/matrix/pure_rust", "ms_per_iter": 4.285985, "bytes_per_sec": 3914436471.429555 }, "ffi": { "benchmark_name": "decompress/better/large-log-stream/rust_stream/matrix/c_ffi", "ms_per_iter": 2.092425, "bytes_per_sec": 8018072810.256042 } }, "rust_ms_per_iter": 4.285985, "ffi_ms_per_iter": 2.092425, "rust_bytes_per_sec": 3914436471.429555, "ffi_bytes_per_sec": 8018072810.256042, "delta_rust_over_ffi": 0.48820166192835496, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=default, source=c_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "default", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/large-log-stream/c_stream/matrix/pure_rust", "ms_per_iter": 4.153033, "bytes_per_sec": 4039750225.919226 }, "ffi": { "benchmark_name": "decompress/default/large-log-stream/c_stream/matrix/c_ffi", "ms_per_iter": 2.152526, "bytes_per_sec": 7794199001.545161 } }, "rust_ms_per_iter": 4.153033, "ffi_ms_per_iter": 2.152526, "rust_bytes_per_sec": 4039750225.919226, "ffi_bytes_per_sec": 7794199001.545161, "delta_rust_over_ffi": 0.5183021661518221, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=default, source=rust_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "default", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/large-log-stream/rust_stream/matrix/pure_rust", "ms_per_iter": 4.081579, "bytes_per_sec": 4110471952.153812 }, "ffi": { "benchmark_name": "decompress/default/large-log-stream/rust_stream/matrix/c_ffi", "ms_per_iter": 2.107448, "bytes_per_sec": 7960915761.622588 } }, "rust_ms_per_iter": 4.081579, "ffi_ms_per_iter": 2.107448, "rust_bytes_per_sec": 4110471952.153812, "ffi_bytes_per_sec": 7960915761.622588, "delta_rust_over_ffi": 0.5163315471781877, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=fastest, source=c_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "fastest", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/large-log-stream/c_stream/matrix/pure_rust", "ms_per_iter": 3.988939, "bytes_per_sec": 4205934460.2662516 }, "ffi": { "benchmark_name": "decompress/fastest/large-log-stream/c_stream/matrix/c_ffi", "ms_per_iter": 2.05487, "bytes_per_sec": 8164611873.257188 } }, "rust_ms_per_iter": 3.988939, "ffi_ms_per_iter": 2.05487, "rust_bytes_per_sec": 4205934460.2662516, "ffi_bytes_per_sec": 8164611873.257188, "delta_rust_over_ffi": 0.5151419964055606, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=fastest, source=rust_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "fastest", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/large-log-stream/rust_stream/matrix/pure_rust", "ms_per_iter": 3.99387, "bytes_per_sec": 4200741636.558025 }, "ffi": { "benchmark_name": "decompress/fastest/large-log-stream/rust_stream/matrix/c_ffi", "ms_per_iter": 2.104444, "bytes_per_sec": 7972279613.997807 } }, "rust_ms_per_iter": 3.99387, "ffi_ms_per_iter": 2.104444, "rust_bytes_per_sec": 4200741636.558025, "ffi_bytes_per_sec": 7972279613.997807, "delta_rust_over_ffi": 0.5269185026052425, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=level22, source=c_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "level22", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/large-log-stream/c_stream/matrix/pure_rust", "ms_per_iter": 3.787764, "bytes_per_sec": 4429319250.090554 }, "ffi": { "benchmark_name": "decompress/level22/large-log-stream/c_stream/matrix/c_ffi", "ms_per_iter": 2.08018, "bytes_per_sec": 8065271274.601236 } }, "rust_ms_per_iter": 3.787764, "ffi_ms_per_iter": 2.08018, "rust_bytes_per_sec": 4429319250.090554, "ffi_bytes_per_sec": 8065271274.601236, "delta_rust_over_ffi": 0.5491841624768596, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=level22, source=rust_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "level22", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/large-log-stream/rust_stream/matrix/pure_rust", "ms_per_iter": 3.747865, "bytes_per_sec": 4476472871.888395 }, "ffi": { "benchmark_name": "decompress/level22/large-log-stream/rust_stream/matrix/c_ffi", "ms_per_iter": 1.968427, "bytes_per_sec": 8523158847.140382 } }, "rust_ms_per_iter": 3.747865, "ffi_ms_per_iter": 1.968427, "rust_bytes_per_sec": 4476472871.888395, "ffi_bytes_per_sec": 8523158847.140382, "delta_rust_over_ffi": 0.5252128878708278, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=level4-row, source=c_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "level4-row", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/large-log-stream/c_stream/matrix/pure_rust", "ms_per_iter": 4.063513, "bytes_per_sec": 4128746727.277604 }, "ffi": { "benchmark_name": "decompress/level4-row/large-log-stream/c_stream/matrix/c_ffi", "ms_per_iter": 2.098176, "bytes_per_sec": 7996095656.417764 } }, "rust_ms_per_iter": 4.063513, "ffi_ms_per_iter": 2.098176, "rust_bytes_per_sec": 4128746727.277604, "ffi_bytes_per_sec": 7996095656.417764, "delta_rust_over_ffi": 0.5163453396113167, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "large-log-stream + stage=decompress, level=level4-row, source=rust_stream", "scenario": "large-log-stream", "params": { "stage": "decompress", "level": "level4-row", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 16777216, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/large-log-stream/rust_stream/matrix/pure_rust", "ms_per_iter": 4.148224, "bytes_per_sec": 4044433473.21649 }, "ffi": { "benchmark_name": "decompress/level4-row/large-log-stream/rust_stream/matrix/c_ffi", "ms_per_iter": 2.00364, "bytes_per_sec": 8373368469.385719 } }, "rust_ms_per_iter": 4.148224, "ffi_ms_per_iter": 2.00364, "rust_bytes_per_sec": 4044433473.21649, "ffi_bytes_per_sec": 8373368469.385719, "delta_rust_over_ffi": 0.48301152493211547, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=compress, level=best", "scenario": "low-entropy-1m", "params": { "stage": "compress", "level": "best", "source": null }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": 0.000143, "ffi": 0.000154, "delta_rust_over_ffi": 0.9285714285714286, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/best/low-entropy-1m/matrix/pure_rust", "ms_per_iter": 9.845123, "bytes_per_sec": 106507150.79943644 }, "ffi": { "benchmark_name": "compress/best/low-entropy-1m/matrix/c_ffi", "ms_per_iter": 2.980968, "bytes_per_sec": 351756878.9735415 } }, "rust_ms_per_iter": 9.845123, "ffi_ms_per_iter": 2.980968, "rust_bytes_per_sec": 106507150.79943644, "ffi_bytes_per_sec": 351756878.9735415, "delta_rust_over_ffi": 0.3027862628024048, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=compress, level=better", "scenario": "low-entropy-1m", "params": { "stage": "compress", "level": "better", "source": null }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": 0.000143, "ffi": 0.000154, "delta_rust_over_ffi": 0.9285714285714286, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/better/low-entropy-1m/matrix/pure_rust", "ms_per_iter": 9.524296, "bytes_per_sec": 110094856.3547374 }, "ffi": { "benchmark_name": "compress/better/low-entropy-1m/matrix/c_ffi", "ms_per_iter": 1.818942, "bytes_per_sec": 576475775.4782726 } }, "rust_ms_per_iter": 9.524296, "ffi_ms_per_iter": 1.818942, "rust_bytes_per_sec": 110094856.3547374, "ffi_bytes_per_sec": 576475775.4782726, "delta_rust_over_ffi": 0.1909791547847736, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=compress, level=default", "scenario": "low-entropy-1m", "params": { "stage": "compress", "level": "default", "source": null }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": 0.000143, "ffi": 0.000154, "delta_rust_over_ffi": 0.9285714285714286, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/default/low-entropy-1m/matrix/pure_rust", "ms_per_iter": 18.139008, "bytes_per_sec": 57807791.91453027 }, "ffi": { "benchmark_name": "compress/default/low-entropy-1m/matrix/c_ffi", "ms_per_iter": 1.126885, "bytes_per_sec": 930508436.9744916 } }, "rust_ms_per_iter": 18.139008, "ffi_ms_per_iter": 1.126885, "rust_bytes_per_sec": 57807791.91453027, "ffi_bytes_per_sec": 930508436.9744916, "delta_rust_over_ffi": 0.06212495192680878, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=compress, level=fastest", "scenario": "low-entropy-1m", "params": { "stage": "compress", "level": "fastest", "source": null }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": 0.000324, "ffi": 0.000155, "delta_rust_over_ffi": 2.0903225806451613, "status": "rust_worse_larger", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/fastest/low-entropy-1m/matrix/pure_rust", "ms_per_iter": 4.437009, "bytes_per_sec": 236324965.75959167 }, "ffi": { "benchmark_name": "compress/fastest/low-entropy-1m/matrix/c_ffi", "ms_per_iter": 0.600982, "bytes_per_sec": 1744771058.035016 } }, "rust_ms_per_iter": 4.437009, "ffi_ms_per_iter": 0.600982, "rust_bytes_per_sec": 236324965.75959167, "ffi_bytes_per_sec": 1744771058.035016, "delta_rust_over_ffi": 0.13544755036557285, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=compress, level=level22", "scenario": "low-entropy-1m", "params": { "stage": "compress", "level": "level22", "source": null }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": 0.000143, "ffi": 0.000143, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level22/low-entropy-1m/matrix/pure_rust", "ms_per_iter": 4.197775, "bytes_per_sec": 249793283.3465348 }, "ffi": { "benchmark_name": "compress/level22/low-entropy-1m/matrix/c_ffi", "ms_per_iter": 2.97469, "bytes_per_sec": 352499252.02289987 } }, "rust_ms_per_iter": 4.197775, "ffi_ms_per_iter": 2.97469, "rust_bytes_per_sec": 249793283.3465348, "ffi_bytes_per_sec": 352499252.02289987, "delta_rust_over_ffi": 0.7086349316006695, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=compress, level=level4-row", "scenario": "low-entropy-1m", "params": { "stage": "compress", "level": "level4-row", "source": null }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": 0.000143, "ffi": 0.000154, "delta_rust_over_ffi": 0.9285714285714286, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level4-row/low-entropy-1m/matrix/pure_rust", "ms_per_iter": 10.222421, "bytes_per_sec": 102576092.29750955 }, "ffi": { "benchmark_name": "compress/level4-row/low-entropy-1m/matrix/c_ffi", "ms_per_iter": 1.694625, "bytes_per_sec": 618765803.643874 } }, "rust_ms_per_iter": 10.222421, "ffi_ms_per_iter": 1.694625, "rust_bytes_per_sec": 102576092.29750955, "ffi_bytes_per_sec": 618765803.643874, "delta_rust_over_ffi": 0.16577530899969778, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=best, source=c_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "best", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/low-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.661915, "bytes_per_sec": 1584155065.2274084 }, "ffi": { "benchmark_name": "decompress/best/low-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.270585, "bytes_per_sec": 3875218508.047379 } }, "rust_ms_per_iter": 0.661915, "ffi_ms_per_iter": 0.270585, "rust_bytes_per_sec": 1584155065.2274084, "ffi_bytes_per_sec": 3875218508.047379, "delta_rust_over_ffi": 0.40879115898567037, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=best, source=rust_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "best", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/low-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.664344, "bytes_per_sec": 1578363016.750358 }, "ffi": { "benchmark_name": "decompress/best/low-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.238871, "bytes_per_sec": 4389716625.291475 } }, "rust_ms_per_iter": 0.664344, "ffi_ms_per_iter": 0.238871, "rust_bytes_per_sec": 1578363016.750358, "ffi_bytes_per_sec": 4389716625.291475, "delta_rust_over_ffi": 0.3595592042676685, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=better, source=c_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "better", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/low-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.661398, "bytes_per_sec": 1585393363.7537458 }, "ffi": { "benchmark_name": "decompress/better/low-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.270677, "bytes_per_sec": 3873901365.8345556 } }, "rust_ms_per_iter": 0.661398, "ffi_ms_per_iter": 0.270677, "rust_bytes_per_sec": 1585393363.7537458, "ffi_bytes_per_sec": 3873901365.8345556, "delta_rust_over_ffi": 0.40924980117871534, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=better, source=rust_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "better", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/low-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.664461, "bytes_per_sec": 1578085094.53527 }, "ffi": { "benchmark_name": "decompress/better/low-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.238939, "bytes_per_sec": 4388467349.40717 } }, "rust_ms_per_iter": 0.664461, "ffi_ms_per_iter": 0.238939, "rust_bytes_per_sec": 1578085094.53527, "ffi_bytes_per_sec": 4388467349.40717, "delta_rust_over_ffi": 0.3595982307464246, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=default, source=c_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "default", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/low-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.661712, "bytes_per_sec": 1584641052.300699 }, "ffi": { "benchmark_name": "decompress/default/low-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.270191, "bytes_per_sec": 3880869459.0123277 } }, "rust_ms_per_iter": 0.661712, "ffi_ms_per_iter": 0.270191, "rust_bytes_per_sec": 1584641052.300699, "ffi_bytes_per_sec": 3880869459.0123277, "delta_rust_over_ffi": 0.40832114273279024, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=default, source=rust_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "default", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/low-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.664056, "bytes_per_sec": 1579047550.206609 }, "ffi": { "benchmark_name": "decompress/default/low-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.23918, "bytes_per_sec": 4384045488.753241 } }, "rust_ms_per_iter": 0.664056, "ffi_ms_per_iter": 0.23918, "rust_bytes_per_sec": 1579047550.206609, "ffi_bytes_per_sec": 4384045488.753241, "delta_rust_over_ffi": 0.36018046670762704, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=fastest, source=c_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "fastest", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/low-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.661645, "bytes_per_sec": 1584801517.4300418 }, "ffi": { "benchmark_name": "decompress/fastest/low-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.270878, "bytes_per_sec": 3871026809.117019 } }, "rust_ms_per_iter": 0.661645, "ffi_ms_per_iter": 0.270878, "rust_bytes_per_sec": 1584801517.4300418, "ffi_bytes_per_sec": 3871026809.117019, "delta_rust_over_ffi": 0.4094008116134786, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=fastest, source=rust_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "fastest", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/low-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.667414, "bytes_per_sec": 1571102793.7681859 }, "ffi": { "benchmark_name": "decompress/fastest/low-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.273138, "bytes_per_sec": 3838997136.978378 } }, "rust_ms_per_iter": 0.667414, "ffi_ms_per_iter": 0.273138, "rust_bytes_per_sec": 1571102793.7681859, "ffi_bytes_per_sec": 3838997136.978378, "delta_rust_over_ffi": 0.4092482327311084, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=level22, source=c_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "level22", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/low-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.664468, "bytes_per_sec": 1578068469.8134449 }, "ffi": { "benchmark_name": "decompress/level22/low-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.239048, "bytes_per_sec": 4386466316.38834 } }, "rust_ms_per_iter": 0.664468, "ffi_ms_per_iter": 0.239048, "rust_bytes_per_sec": 1578068469.8134449, "ffi_bytes_per_sec": 4386466316.38834, "delta_rust_over_ffi": 0.3597584834785122, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=level22, source=rust_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "level22", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/low-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.664188, "bytes_per_sec": 1578733732.015634 }, "ffi": { "benchmark_name": "decompress/level22/low-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.239309, "bytes_per_sec": 4381682260.174085 } }, "rust_ms_per_iter": 0.664188, "ffi_ms_per_iter": 0.239309, "rust_bytes_per_sec": 1578733732.015634, "ffi_bytes_per_sec": 4381682260.174085, "delta_rust_over_ffi": 0.3603031069516462, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=level4-row, source=c_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "level4-row", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/low-entropy-1m/c_stream/matrix/pure_rust", "ms_per_iter": 0.661624, "bytes_per_sec": 1584851819.1601272 }, "ffi": { "benchmark_name": "decompress/level4-row/low-entropy-1m/c_stream/matrix/c_ffi", "ms_per_iter": 0.270509, "bytes_per_sec": 3876307257.799186 } }, "rust_ms_per_iter": 0.661624, "ffi_ms_per_iter": 0.270509, "rust_bytes_per_sec": 1584851819.1601272, "ffi_bytes_per_sec": 3876307257.799186, "delta_rust_over_ffi": 0.4088560874454373, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "low-entropy-1m + stage=decompress, level=level4-row, source=rust_stream", "scenario": "low-entropy-1m", "params": { "stage": "decompress", "level": "level4-row", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1048576, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/low-entropy-1m/rust_stream/matrix/pure_rust", "ms_per_iter": 0.664697, "bytes_per_sec": 1577524797.0127742 }, "ffi": { "benchmark_name": "decompress/level4-row/low-entropy-1m/rust_stream/matrix/c_ffi", "ms_per_iter": 0.239021, "bytes_per_sec": 4386961815.070642 } }, "rust_ms_per_iter": 0.664697, "ffi_ms_per_iter": 0.239021, "rust_bytes_per_sec": 1577524797.0127742, "ffi_bytes_per_sec": 4386961815.070642, "delta_rust_over_ffi": 0.3595939202373412, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=compress, level=best", "scenario": "small-10k-random", "params": { "stage": "compress", "level": "best", "source": null }, "target": "x86_64-musl", "input_bytes": 10240, "ratio": { "rust": 1.001367, "ffi": 1.001367, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/best/small-10k-random/matrix/pure_rust", "ms_per_iter": 0.475883, "bytes_per_sec": 21517894.104223095 }, "ffi": { "benchmark_name": "compress/best/small-10k-random/matrix/c_ffi", "ms_per_iter": 0.329505, "bytes_per_sec": 31076918.407914903 } }, "rust_ms_per_iter": 0.475883, "ffi_ms_per_iter": 0.329505, "rust_bytes_per_sec": 21517894.104223095, "ffi_bytes_per_sec": 31076918.407914903, "delta_rust_over_ffi": 0.6924075875792999, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=compress, level=better", "scenario": "small-10k-random", "params": { "stage": "compress", "level": "better", "source": null }, "target": "x86_64-musl", "input_bytes": 10240, "ratio": { "rust": 1.001367, "ffi": 1.001367, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/better/small-10k-random/matrix/pure_rust", "ms_per_iter": 0.483075, "bytes_per_sec": 21197536.61439735 }, "ffi": { "benchmark_name": "compress/better/small-10k-random/matrix/c_ffi", "ms_per_iter": 0.124998, "bytes_per_sec": 81921310.74097186 } }, "rust_ms_per_iter": 0.483075, "ffi_ms_per_iter": 0.124998, "rust_bytes_per_sec": 21197536.61439735, "ffi_bytes_per_sec": 81921310.74097186, "delta_rust_over_ffi": 0.25875485173109763, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=compress, level=default", "scenario": "small-10k-random", "params": { "stage": "compress", "level": "default", "source": null }, "target": "x86_64-musl", "input_bytes": 10240, "ratio": { "rust": 1.001367, "ffi": 1.001367, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/default/small-10k-random/matrix/pure_rust", "ms_per_iter": 0.758845, "bytes_per_sec": 13494191.831006333 }, "ffi": { "benchmark_name": "compress/default/small-10k-random/matrix/c_ffi", "ms_per_iter": 0.146705, "bytes_per_sec": 69799938.65239766 } }, "rust_ms_per_iter": 0.758845, "ffi_ms_per_iter": 0.146705, "rust_bytes_per_sec": 13494191.831006333, "ffi_bytes_per_sec": 69799938.65239766, "delta_rust_over_ffi": 0.1933267004460727, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=compress, level=fastest", "scenario": "small-10k-random", "params": { "stage": "compress", "level": "fastest", "source": null }, "target": "x86_64-musl", "input_bytes": 10240, "ratio": { "rust": 1.001367, "ffi": 1.001367, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/fastest/small-10k-random/matrix/pure_rust", "ms_per_iter": 0.365632, "bytes_per_sec": 28006301.41781901 }, "ffi": { "benchmark_name": "compress/fastest/small-10k-random/matrix/c_ffi", "ms_per_iter": 0.115285, "bytes_per_sec": 88823350.8262133 } }, "rust_ms_per_iter": 0.365632, "ffi_ms_per_iter": 0.115285, "rust_bytes_per_sec": 28006301.41781901, "ffi_bytes_per_sec": 88823350.8262133, "delta_rust_over_ffi": 0.31530336513215473, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=compress, level=level22", "scenario": "small-10k-random", "params": { "stage": "compress", "level": "level22", "source": null }, "target": "x86_64-musl", "input_bytes": 10240, "ratio": { "rust": 1.001367, "ffi": 1.001367, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level22/small-10k-random/matrix/pure_rust", "ms_per_iter": 0.522793, "bytes_per_sec": 19587102.35217381 }, "ffi": { "benchmark_name": "compress/level22/small-10k-random/matrix/c_ffi", "ms_per_iter": 0.635758, "bytes_per_sec": 16106757.602735631 } }, "rust_ms_per_iter": 0.522793, "ffi_ms_per_iter": 0.635758, "rust_bytes_per_sec": 19587102.35217381, "ffi_bytes_per_sec": 16106757.602735631, "delta_rust_over_ffi": 1.216079786837238, "status": "rust_faster", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=compress, level=level4-row", "scenario": "small-10k-random", "params": { "stage": "compress", "level": "level4-row", "source": null }, "target": "x86_64-musl", "input_bytes": 10240, "ratio": { "rust": 1.001367, "ffi": 1.001367, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level4-row/small-10k-random/matrix/pure_rust", "ms_per_iter": 0.334303, "bytes_per_sec": 30630894.727238458 }, "ffi": { "benchmark_name": "compress/level4-row/small-10k-random/matrix/c_ffi", "ms_per_iter": 0.125231, "bytes_per_sec": 81768891.08926703 } }, "rust_ms_per_iter": 0.334303, "ffi_ms_per_iter": 0.125231, "rust_bytes_per_sec": 30630894.727238458, "ffi_bytes_per_sec": 81768891.08926703, "delta_rust_over_ffi": 0.3746032790612109, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=best, source=c_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "best", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/small-10k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.001612, "bytes_per_sec": 6352357320.099256 }, "ffi": { "benchmark_name": "decompress/best/small-10k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.00101, "bytes_per_sec": 10138613861.386137 } }, "rust_ms_per_iter": 0.001612, "ffi_ms_per_iter": 0.00101, "rust_bytes_per_sec": 6352357320.099256, "ffi_bytes_per_sec": 10138613861.386137, "delta_rust_over_ffi": 0.6265508684863524, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=best, source=rust_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "best", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/small-10k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.001616, "bytes_per_sec": 6336633663.366337 }, "ffi": { "benchmark_name": "decompress/best/small-10k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.00101, "bytes_per_sec": 10138613861.386137 } }, "rust_ms_per_iter": 0.001616, "ffi_ms_per_iter": 0.00101, "rust_bytes_per_sec": 6336633663.366337, "ffi_bytes_per_sec": 10138613861.386137, "delta_rust_over_ffi": 0.6250000000000001, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=better, source=c_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "better", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/small-10k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.001573, "bytes_per_sec": 6509853782.581056 }, "ffi": { "benchmark_name": "decompress/better/small-10k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.00101, "bytes_per_sec": 10138613861.386137 } }, "rust_ms_per_iter": 0.001573, "ffi_ms_per_iter": 0.00101, "rust_bytes_per_sec": 6509853782.581056, "ffi_bytes_per_sec": 10138613861.386137, "delta_rust_over_ffi": 0.6420851875397331, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=better, source=rust_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "better", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/small-10k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.001571, "bytes_per_sec": 6518141311.266709 }, "ffi": { "benchmark_name": "decompress/better/small-10k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.001011, "bytes_per_sec": 10128585558.852621 } }, "rust_ms_per_iter": 0.001571, "ffi_ms_per_iter": 0.001011, "rust_bytes_per_sec": 6518141311.266709, "ffi_bytes_per_sec": 10128585558.852621, "delta_rust_over_ffi": 0.6435391470401018, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=default, source=c_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "default", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/small-10k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.001582, "bytes_per_sec": 6472819216.182048 }, "ffi": { "benchmark_name": "decompress/default/small-10k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.001009, "bytes_per_sec": 10148662041.625372 } }, "rust_ms_per_iter": 0.001582, "ffi_ms_per_iter": 0.001009, "rust_bytes_per_sec": 6472819216.182048, "ffi_bytes_per_sec": 10148662041.625372, "delta_rust_over_ffi": 0.6378002528445006, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=default, source=rust_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "default", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/small-10k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.001571, "bytes_per_sec": 6518141311.266709 }, "ffi": { "benchmark_name": "decompress/default/small-10k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.001009, "bytes_per_sec": 10148662041.625372 } }, "rust_ms_per_iter": 0.001571, "ffi_ms_per_iter": 0.001009, "rust_bytes_per_sec": 6518141311.266709, "ffi_bytes_per_sec": 10148662041.625372, "delta_rust_over_ffi": 0.642266072565245, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=fastest, source=c_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "fastest", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/small-10k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.001606, "bytes_per_sec": 6376089663.760897 }, "ffi": { "benchmark_name": "decompress/fastest/small-10k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.001009, "bytes_per_sec": 10148662041.625372 } }, "rust_ms_per_iter": 0.001606, "ffi_ms_per_iter": 0.001009, "rust_bytes_per_sec": 6376089663.760897, "ffi_bytes_per_sec": 10148662041.625372, "delta_rust_over_ffi": 0.6282689912826899, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=fastest, source=rust_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "fastest", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/small-10k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.001595, "bytes_per_sec": 6420062695.924765 }, "ffi": { "benchmark_name": "decompress/fastest/small-10k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.00101, "bytes_per_sec": 10138613861.386137 } }, "rust_ms_per_iter": 0.001595, "ffi_ms_per_iter": 0.00101, "rust_bytes_per_sec": 6420062695.924765, "ffi_bytes_per_sec": 10138613861.386137, "delta_rust_over_ffi": 0.6332288401253919, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=level22, source=c_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "level22", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/small-10k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.001617, "bytes_per_sec": 6332714904.143476 }, "ffi": { "benchmark_name": "decompress/level22/small-10k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.00101, "bytes_per_sec": 10138613861.386137 } }, "rust_ms_per_iter": 0.001617, "ffi_ms_per_iter": 0.00101, "rust_bytes_per_sec": 6332714904.143476, "ffi_bytes_per_sec": 10138613861.386137, "delta_rust_over_ffi": 0.624613481756339, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=level22, source=rust_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "level22", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/small-10k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.001612, "bytes_per_sec": 6352357320.099256 }, "ffi": { "benchmark_name": "decompress/level22/small-10k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.001009, "bytes_per_sec": 10148662041.625372 } }, "rust_ms_per_iter": 0.001612, "ffi_ms_per_iter": 0.001009, "rust_bytes_per_sec": 6352357320.099256, "ffi_bytes_per_sec": 10148662041.625372, "delta_rust_over_ffi": 0.6259305210918114, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=level4-row, source=c_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "level4-row", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/small-10k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.001619, "bytes_per_sec": 6324891908.5855465 }, "ffi": { "benchmark_name": "decompress/level4-row/small-10k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.001009, "bytes_per_sec": 10148662041.625372 } }, "rust_ms_per_iter": 0.001619, "ffi_ms_per_iter": 0.001009, "rust_bytes_per_sec": 6324891908.5855465, "ffi_bytes_per_sec": 10148662041.625372, "delta_rust_over_ffi": 0.6232242124768376, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-10k-random + stage=decompress, level=level4-row, source=rust_stream", "scenario": "small-10k-random", "params": { "stage": "decompress", "level": "level4-row", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 10240, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/small-10k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.001578, "bytes_per_sec": 6489226869.455007 }, "ffi": { "benchmark_name": "decompress/level4-row/small-10k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.00101, "bytes_per_sec": 10138613861.386137 } }, "rust_ms_per_iter": 0.001578, "ffi_ms_per_iter": 0.00101, "rust_bytes_per_sec": 6489226869.455007, "ffi_bytes_per_sec": 10138613861.386137, "delta_rust_over_ffi": 0.6400506970849178, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=compress, level=best", "scenario": "small-1k-random", "params": { "stage": "compress", "level": "best", "source": null }, "target": "x86_64-musl", "input_bytes": 1024, "ratio": { "rust": 1.013672, "ffi": 1.013672, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/best/small-1k-random/matrix/pure_rust", "ms_per_iter": 0.470648, "bytes_per_sec": 2175723.683092247 }, "ffi": { "benchmark_name": "compress/best/small-1k-random/matrix/c_ffi", "ms_per_iter": 0.061701, "bytes_per_sec": 16596165.378194844 } }, "rust_ms_per_iter": 0.470648, "ffi_ms_per_iter": 0.061701, "rust_bytes_per_sec": 2175723.683092247, "ffi_bytes_per_sec": 16596165.378194844, "delta_rust_over_ffi": 0.13109797555710423, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=compress, level=better", "scenario": "small-1k-random", "params": { "stage": "compress", "level": "better", "source": null }, "target": "x86_64-musl", "input_bytes": 1024, "ratio": { "rust": 1.013672, "ffi": 1.013672, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/better/small-1k-random/matrix/pure_rust", "ms_per_iter": 0.478919, "bytes_per_sec": 2138148.6222096016 }, "ffi": { "benchmark_name": "compress/better/small-1k-random/matrix/c_ffi", "ms_per_iter": 0.046001, "bytes_per_sec": 22260385.643790353 } }, "rust_ms_per_iter": 0.478919, "ffi_ms_per_iter": 0.046001, "rust_bytes_per_sec": 2138148.6222096016, "ffi_bytes_per_sec": 22260385.643790353, "delta_rust_over_ffi": 0.09605173317408582, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=compress, level=default", "scenario": "small-1k-random", "params": { "stage": "compress", "level": "default", "source": null }, "target": "x86_64-musl", "input_bytes": 1024, "ratio": { "rust": 1.013672, "ffi": 1.013672, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/default/small-1k-random/matrix/pure_rust", "ms_per_iter": 0.766398, "bytes_per_sec": 1336120.396973896 }, "ffi": { "benchmark_name": "compress/default/small-1k-random/matrix/c_ffi", "ms_per_iter": 0.042751, "bytes_per_sec": 23952656.078220394 } }, "rust_ms_per_iter": 0.766398, "ffi_ms_per_iter": 0.042751, "rust_bytes_per_sec": 1336120.396973896, "ffi_bytes_per_sec": 23952656.078220394, "delta_rust_over_ffi": 0.05578172176858499, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=compress, level=fastest", "scenario": "small-1k-random", "params": { "stage": "compress", "level": "fastest", "source": null }, "target": "x86_64-musl", "input_bytes": 1024, "ratio": { "rust": 1.013672, "ffi": 1.013672, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/fastest/small-1k-random/matrix/pure_rust", "ms_per_iter": 0.479517, "bytes_per_sec": 2135482.1622591065 }, "ffi": { "benchmark_name": "compress/fastest/small-1k-random/matrix/c_ffi", "ms_per_iter": 0.039749, "bytes_per_sec": 25761654.381242294 } }, "rust_ms_per_iter": 0.479517, "ffi_ms_per_iter": 0.039749, "rust_bytes_per_sec": 2135482.1622591065, "ffi_bytes_per_sec": 25761654.381242294, "delta_rust_over_ffi": 0.08289382858167699, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=compress, level=level22", "scenario": "small-1k-random", "params": { "stage": "compress", "level": "level22", "source": null }, "target": "x86_64-musl", "input_bytes": 1024, "ratio": { "rust": 1.013672, "ffi": 1.013672, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level22/small-1k-random/matrix/pure_rust", "ms_per_iter": 0.466006, "bytes_per_sec": 2197396.6000437764 }, "ffi": { "benchmark_name": "compress/level22/small-1k-random/matrix/c_ffi", "ms_per_iter": 0.083316, "bytes_per_sec": 12290556.435738634 } }, "rust_ms_per_iter": 0.466006, "ffi_ms_per_iter": 0.083316, "rust_bytes_per_sec": 2197396.6000437764, "ffi_bytes_per_sec": 12290556.435738634, "delta_rust_over_ffi": 0.17878739758715553, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=compress, level=level4-row", "scenario": "small-1k-random", "params": { "stage": "compress", "level": "level4-row", "source": null }, "target": "x86_64-musl", "input_bytes": 1024, "ratio": { "rust": 1.013672, "ffi": 1.013672, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level4-row/small-1k-random/matrix/pure_rust", "ms_per_iter": 0.354924, "bytes_per_sec": 2885124.7027532654 }, "ffi": { "benchmark_name": "compress/level4-row/small-1k-random/matrix/c_ffi", "ms_per_iter": 0.046262, "bytes_per_sec": 22134797.457956854 } }, "rust_ms_per_iter": 0.354924, "ffi_ms_per_iter": 0.046262, "rust_bytes_per_sec": 2885124.7027532654, "ffi_bytes_per_sec": 22134797.457956854, "delta_rust_over_ffi": 0.13034339745973786, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=best, source=c_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "best", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/small-1k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.00026, "bytes_per_sec": 3938461538.4615383 }, "ffi": { "benchmark_name": "decompress/best/small-1k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.000155, "bytes_per_sec": 6606451612.903226 } }, "rust_ms_per_iter": 0.00026, "ffi_ms_per_iter": 0.000155, "rust_bytes_per_sec": 3938461538.4615383, "ffi_bytes_per_sec": 6606451612.903226, "delta_rust_over_ffi": 0.5961538461538461, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=best, source=rust_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "best", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/small-1k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.000254, "bytes_per_sec": 4031496062.9921265 }, "ffi": { "benchmark_name": "decompress/best/small-1k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.000155, "bytes_per_sec": 6606451612.903226 } }, "rust_ms_per_iter": 0.000254, "ffi_ms_per_iter": 0.000155, "rust_bytes_per_sec": 4031496062.9921265, "ffi_bytes_per_sec": 6606451612.903226, "delta_rust_over_ffi": 0.610236220472441, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=better, source=c_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "better", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/small-1k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.00026, "bytes_per_sec": 3938461538.4615383 }, "ffi": { "benchmark_name": "decompress/better/small-1k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.000155, "bytes_per_sec": 6606451612.903226 } }, "rust_ms_per_iter": 0.00026, "ffi_ms_per_iter": 0.000155, "rust_bytes_per_sec": 3938461538.4615383, "ffi_bytes_per_sec": 6606451612.903226, "delta_rust_over_ffi": 0.5961538461538461, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=better, source=rust_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "better", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/small-1k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.000255, "bytes_per_sec": 4015686274.5098042 }, "ffi": { "benchmark_name": "decompress/better/small-1k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.000155, "bytes_per_sec": 6606451612.903226 } }, "rust_ms_per_iter": 0.000255, "ffi_ms_per_iter": 0.000155, "rust_bytes_per_sec": 4015686274.5098042, "ffi_bytes_per_sec": 6606451612.903226, "delta_rust_over_ffi": 0.607843137254902, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=default, source=c_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "default", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/small-1k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.000259, "bytes_per_sec": 3953667953.667953 }, "ffi": { "benchmark_name": "decompress/default/small-1k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.000155, "bytes_per_sec": 6606451612.903226 } }, "rust_ms_per_iter": 0.000259, "ffi_ms_per_iter": 0.000155, "rust_bytes_per_sec": 3953667953.667953, "ffi_bytes_per_sec": 6606451612.903226, "delta_rust_over_ffi": 0.5984555984555984, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=default, source=rust_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "default", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/small-1k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.000258, "bytes_per_sec": 3968992248.0620155 }, "ffi": { "benchmark_name": "decompress/default/small-1k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.000155, "bytes_per_sec": 6606451612.903226 } }, "rust_ms_per_iter": 0.000258, "ffi_ms_per_iter": 0.000155, "rust_bytes_per_sec": 3968992248.0620155, "ffi_bytes_per_sec": 6606451612.903226, "delta_rust_over_ffi": 0.6007751937984496, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=fastest, source=c_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "fastest", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/small-1k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.00026, "bytes_per_sec": 3938461538.4615383 }, "ffi": { "benchmark_name": "decompress/fastest/small-1k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.000156, "bytes_per_sec": 6564102564.102565 } }, "rust_ms_per_iter": 0.00026, "ffi_ms_per_iter": 0.000156, "rust_bytes_per_sec": 3938461538.4615383, "ffi_bytes_per_sec": 6564102564.102565, "delta_rust_over_ffi": 0.5999999999999999, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=fastest, source=rust_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "fastest", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/small-1k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.000259, "bytes_per_sec": 3953667953.667953 }, "ffi": { "benchmark_name": "decompress/fastest/small-1k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.000156, "bytes_per_sec": 6564102564.102565 } }, "rust_ms_per_iter": 0.000259, "ffi_ms_per_iter": 0.000156, "rust_bytes_per_sec": 3953667953.667953, "ffi_bytes_per_sec": 6564102564.102565, "delta_rust_over_ffi": 0.6023166023166021, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=level22, source=c_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "level22", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/small-1k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.000261, "bytes_per_sec": 3923371647.509578 }, "ffi": { "benchmark_name": "decompress/level22/small-1k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.000156, "bytes_per_sec": 6564102564.102565 } }, "rust_ms_per_iter": 0.000261, "ffi_ms_per_iter": 0.000156, "rust_bytes_per_sec": 3923371647.509578, "ffi_bytes_per_sec": 6564102564.102565, "delta_rust_over_ffi": 0.5977011494252873, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=level22, source=rust_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "level22", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/small-1k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.000257, "bytes_per_sec": 3984435797.665369 }, "ffi": { "benchmark_name": "decompress/level22/small-1k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.000155, "bytes_per_sec": 6606451612.903226 } }, "rust_ms_per_iter": 0.000257, "ffi_ms_per_iter": 0.000155, "rust_bytes_per_sec": 3984435797.665369, "ffi_bytes_per_sec": 6606451612.903226, "delta_rust_over_ffi": 0.6031128404669259, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=level4-row, source=c_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "level4-row", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/small-1k-random/c_stream/matrix/pure_rust", "ms_per_iter": 0.000258, "bytes_per_sec": 3968992248.0620155 }, "ffi": { "benchmark_name": "decompress/level4-row/small-1k-random/c_stream/matrix/c_ffi", "ms_per_iter": 0.000157, "bytes_per_sec": 6522292993.630573 } }, "rust_ms_per_iter": 0.000258, "ffi_ms_per_iter": 0.000157, "rust_bytes_per_sec": 3968992248.0620155, "ffi_bytes_per_sec": 6522292993.630573, "delta_rust_over_ffi": 0.6085271317829457, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-1k-random + stage=decompress, level=level4-row, source=rust_stream", "scenario": "small-1k-random", "params": { "stage": "decompress", "level": "level4-row", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 1024, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/small-1k-random/rust_stream/matrix/pure_rust", "ms_per_iter": 0.000258, "bytes_per_sec": 3968992248.0620155 }, "ffi": { "benchmark_name": "decompress/level4-row/small-1k-random/rust_stream/matrix/c_ffi", "ms_per_iter": 0.000156, "bytes_per_sec": 6564102564.102565 } }, "rust_ms_per_iter": 0.000258, "ffi_ms_per_iter": 0.000156, "rust_bytes_per_sec": 3968992248.0620155, "ffi_bytes_per_sec": 6564102564.102565, "delta_rust_over_ffi": 0.6046511627906976, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=compress, level=best", "scenario": "small-4k-log-lines", "params": { "stage": "compress", "level": "best", "source": null }, "target": "x86_64-musl", "input_bytes": 4096, "ratio": { "rust": 0.036621, "ffi": 0.037598, "delta_rust_over_ffi": 0.974014575243364, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/best/small-4k-log-lines/matrix/pure_rust", "ms_per_iter": 0.661139, "bytes_per_sec": 6195368.90124467 }, "ffi": { "benchmark_name": "compress/best/small-4k-log-lines/matrix/c_ffi", "ms_per_iter": 0.091645, "bytes_per_sec": 44694200.447378464 } }, "rust_ms_per_iter": 0.661139, "ffi_ms_per_iter": 0.091645, "rust_bytes_per_sec": 6195368.90124467, "ffi_bytes_per_sec": 44694200.447378464, "delta_rust_over_ffi": 0.13861684154164255, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=compress, level=better", "scenario": "small-4k-log-lines", "params": { "stage": "compress", "level": "better", "source": null }, "target": "x86_64-musl", "input_bytes": 4096, "ratio": { "rust": 0.036621, "ffi": 0.037598, "delta_rust_over_ffi": 0.974014575243364, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/better/small-4k-log-lines/matrix/pure_rust", "ms_per_iter": 0.669637, "bytes_per_sec": 6116746.834478978 }, "ffi": { "benchmark_name": "compress/better/small-4k-log-lines/matrix/c_ffi", "ms_per_iter": 0.072617, "bytes_per_sec": 56405524.877094895 } }, "rust_ms_per_iter": 0.669637, "ffi_ms_per_iter": 0.072617, "rust_bytes_per_sec": 6116746.834478978, "ffi_bytes_per_sec": 56405524.877094895, "delta_rust_over_ffi": 0.10844233517562499, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=compress, level=default", "scenario": "small-4k-log-lines", "params": { "stage": "compress", "level": "default", "source": null }, "target": "x86_64-musl", "input_bytes": 4096, "ratio": { "rust": 0.037842, "ffi": 0.038086, "delta_rust_over_ffi": 0.9935934464107545, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/default/small-4k-log-lines/matrix/pure_rust", "ms_per_iter": 0.987515, "bytes_per_sec": 4147785.0969352364 }, "ffi": { "benchmark_name": "compress/default/small-4k-log-lines/matrix/c_ffi", "ms_per_iter": 0.070897, "bytes_per_sec": 57773953.76391103 } }, "rust_ms_per_iter": 0.987515, "ffi_ms_per_iter": 0.070897, "rust_bytes_per_sec": 4147785.0969352364, "ffi_bytes_per_sec": 57773953.76391103, "delta_rust_over_ffi": 0.0717933398480023, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=compress, level=fastest", "scenario": "small-4k-log-lines", "params": { "stage": "compress", "level": "fastest", "source": null }, "target": "x86_64-musl", "input_bytes": 4096, "ratio": { "rust": 0.037598, "ffi": 0.03833, "delta_rust_over_ffi": 0.9809026871901904, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/fastest/small-4k-log-lines/matrix/pure_rust", "ms_per_iter": 0.449499, "bytes_per_sec": 9112367.324510178 }, "ffi": { "benchmark_name": "compress/fastest/small-4k-log-lines/matrix/c_ffi", "ms_per_iter": 0.062612, "bytes_per_sec": 65418769.564939626 } }, "rust_ms_per_iter": 0.449499, "ffi_ms_per_iter": 0.062612, "rust_bytes_per_sec": 9112367.324510178, "ffi_bytes_per_sec": 65418769.564939626, "delta_rust_over_ffi": 0.13929285715874787, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=compress, level=level22", "scenario": "small-4k-log-lines", "params": { "stage": "compress", "level": "level22", "source": null }, "target": "x86_64-musl", "input_bytes": 4096, "ratio": { "rust": 0.036621, "ffi": 0.036621, "delta_rust_over_ffi": 1.0, "status": "near_parity", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level22/small-4k-log-lines/matrix/pure_rust", "ms_per_iter": 0.869534, "bytes_per_sec": 4710569.109431028 }, "ffi": { "benchmark_name": "compress/level22/small-4k-log-lines/matrix/c_ffi", "ms_per_iter": 0.196274, "bytes_per_sec": 20868785.47336886 } }, "rust_ms_per_iter": 0.869534, "ffi_ms_per_iter": 0.196274, "rust_bytes_per_sec": 4710569.109431028, "ffi_bytes_per_sec": 20868785.47336886, "delta_rust_over_ffi": 0.2257232034630043, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=compress, level=level4-row", "scenario": "small-4k-log-lines", "params": { "stage": "compress", "level": "level4-row", "source": null }, "target": "x86_64-musl", "input_bytes": 4096, "ratio": { "rust": 0.036865, "ffi": 0.038086, "delta_rust_over_ffi": 0.967940975686604, "status": "rust_better_smaller", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "compress/level4-row/small-4k-log-lines/matrix/pure_rust", "ms_per_iter": 0.507566, "bytes_per_sec": 8069886.477817663 }, "ffi": { "benchmark_name": "compress/level4-row/small-4k-log-lines/matrix/c_ffi", "ms_per_iter": 0.071451, "bytes_per_sec": 57325999.636114255 } }, "rust_ms_per_iter": 0.507566, "ffi_ms_per_iter": 0.071451, "rust_bytes_per_sec": 8069886.477817663, "ffi_bytes_per_sec": 57325999.636114255, "delta_rust_over_ffi": 0.1407718405094116, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=best, source=c_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "best", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/small-4k-log-lines/c_stream/matrix/pure_rust", "ms_per_iter": 0.005668, "bytes_per_sec": 722653493.2956951 }, "ffi": { "benchmark_name": "decompress/best/small-4k-log-lines/c_stream/matrix/c_ffi", "ms_per_iter": 0.002099, "bytes_per_sec": 1951405431.157694 } }, "rust_ms_per_iter": 0.005668, "ffi_ms_per_iter": 0.002099, "rust_bytes_per_sec": 722653493.2956951, "ffi_bytes_per_sec": 1951405431.157694, "delta_rust_over_ffi": 0.3703246294989414, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=best, source=rust_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "best", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/best/small-4k-log-lines/rust_stream/matrix/pure_rust", "ms_per_iter": 0.005632, "bytes_per_sec": 727272727.2727274 }, "ffi": { "benchmark_name": "decompress/best/small-4k-log-lines/rust_stream/matrix/c_ffi", "ms_per_iter": 0.002071, "bytes_per_sec": 1977788507.967166 } }, "rust_ms_per_iter": 0.005632, "ffi_ms_per_iter": 0.002071, "rust_bytes_per_sec": 727272727.2727274, "ffi_bytes_per_sec": 1977788507.967166, "delta_rust_over_ffi": 0.36772017045454547, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=better, source=c_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "better", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/small-4k-log-lines/c_stream/matrix/pure_rust", "ms_per_iter": 0.005629, "bytes_per_sec": 727660330.431693 }, "ffi": { "benchmark_name": "decompress/better/small-4k-log-lines/c_stream/matrix/c_ffi", "ms_per_iter": 0.002109, "bytes_per_sec": 1942152678.994784 } }, "rust_ms_per_iter": 0.005629, "ffi_ms_per_iter": 0.002109, "rust_bytes_per_sec": 727660330.431693, "ffi_bytes_per_sec": 1942152678.994784, "delta_rust_over_ffi": 0.37466690353526383, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=better, source=rust_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "better", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/better/small-4k-log-lines/rust_stream/matrix/pure_rust", "ms_per_iter": 0.005629, "bytes_per_sec": 727660330.431693 }, "ffi": { "benchmark_name": "decompress/better/small-4k-log-lines/rust_stream/matrix/c_ffi", "ms_per_iter": 0.002055, "bytes_per_sec": 1993187347.9318736 } }, "rust_ms_per_iter": 0.005629, "ffi_ms_per_iter": 0.002055, "rust_bytes_per_sec": 727660330.431693, "ffi_bytes_per_sec": 1993187347.9318736, "delta_rust_over_ffi": 0.3650737253508616, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=default, source=c_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "default", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/small-4k-log-lines/c_stream/matrix/pure_rust", "ms_per_iter": 0.005696, "bytes_per_sec": 719101123.5955057 }, "ffi": { "benchmark_name": "decompress/default/small-4k-log-lines/c_stream/matrix/c_ffi", "ms_per_iter": 0.002087, "bytes_per_sec": 1962625778.6296122 } }, "rust_ms_per_iter": 0.005696, "ffi_ms_per_iter": 0.002087, "rust_bytes_per_sec": 719101123.5955057, "ffi_bytes_per_sec": 1962625778.6296122, "delta_rust_over_ffi": 0.36639747191011235, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=default, source=rust_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "default", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/default/small-4k-log-lines/rust_stream/matrix/pure_rust", "ms_per_iter": 0.005601, "bytes_per_sec": 731297982.5031244 }, "ffi": { "benchmark_name": "decompress/default/small-4k-log-lines/rust_stream/matrix/c_ffi", "ms_per_iter": 0.002071, "bytes_per_sec": 1977788507.967166 } }, "rust_ms_per_iter": 0.005601, "ffi_ms_per_iter": 0.002071, "rust_bytes_per_sec": 731297982.5031244, "ffi_bytes_per_sec": 1977788507.967166, "delta_rust_over_ffi": 0.36975540082128183, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=fastest, source=c_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "fastest", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/small-4k-log-lines/c_stream/matrix/pure_rust", "ms_per_iter": 0.005635, "bytes_per_sec": 726885536.8234249 }, "ffi": { "benchmark_name": "decompress/fastest/small-4k-log-lines/c_stream/matrix/c_ffi", "ms_per_iter": 0.002088, "bytes_per_sec": 1961685823.754789 } }, "rust_ms_per_iter": 0.005635, "ffi_ms_per_iter": 0.002088, "rust_bytes_per_sec": 726885536.8234249, "ffi_bytes_per_sec": 1961685823.754789, "delta_rust_over_ffi": 0.37054125998225373, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=fastest, source=rust_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "fastest", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/fastest/small-4k-log-lines/rust_stream/matrix/pure_rust", "ms_per_iter": 0.005597, "bytes_per_sec": 731820618.188315 }, "ffi": { "benchmark_name": "decompress/fastest/small-4k-log-lines/rust_stream/matrix/c_ffi", "ms_per_iter": 0.002086, "bytes_per_sec": 1963566634.7075744 } }, "rust_ms_per_iter": 0.005597, "ffi_ms_per_iter": 0.002086, "rust_bytes_per_sec": 731820618.188315, "ffi_bytes_per_sec": 1963566634.7075744, "delta_rust_over_ffi": 0.372699660532428, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=level22, source=c_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "level22", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/small-4k-log-lines/c_stream/matrix/pure_rust", "ms_per_iter": 0.005635, "bytes_per_sec": 726885536.8234249 }, "ffi": { "benchmark_name": "decompress/level22/small-4k-log-lines/c_stream/matrix/c_ffi", "ms_per_iter": 0.002068, "bytes_per_sec": 1980657640.2321084 } }, "rust_ms_per_iter": 0.005635, "ffi_ms_per_iter": 0.002068, "rust_bytes_per_sec": 726885536.8234249, "ffi_bytes_per_sec": 1980657640.2321084, "delta_rust_over_ffi": 0.3669920141969831, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=level22, source=rust_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "level22", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level22/small-4k-log-lines/rust_stream/matrix/pure_rust", "ms_per_iter": 0.005627, "bytes_per_sec": 727918962.1467923 }, "ffi": { "benchmark_name": "decompress/level22/small-4k-log-lines/rust_stream/matrix/c_ffi", "ms_per_iter": 0.002046, "bytes_per_sec": 2001955034.2130988 } }, "rust_ms_per_iter": 0.005627, "ffi_ms_per_iter": 0.002046, "rust_bytes_per_sec": 727918962.1467923, "ffi_bytes_per_sec": 2001955034.2130988, "delta_rust_over_ffi": 0.3636040518926604, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=level4-row, source=c_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "level4-row", "source": "c_stream" }, "target": "x86_64-musl", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/small-4k-log-lines/c_stream/matrix/pure_rust", "ms_per_iter": 0.005682, "bytes_per_sec": 720872932.0661738 }, "ffi": { "benchmark_name": "decompress/level4-row/small-4k-log-lines/c_stream/matrix/c_ffi", "ms_per_iter": 0.002092, "bytes_per_sec": 1957934990.4397705 } }, "rust_ms_per_iter": 0.005682, "ffi_ms_per_iter": 0.002092, "rust_bytes_per_sec": 720872932.0661738, "ffi_bytes_per_sec": 1957934990.4397705, "delta_rust_over_ffi": 0.3681802182330165, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } }, { "key": "small-4k-log-lines + stage=decompress, level=level4-row, source=rust_stream", "scenario": "small-4k-log-lines", "params": { "stage": "decompress", "level": "level4-row", "source": "rust_stream" }, "target": "x86_64-musl", "input_bytes": 4096, "ratio": { "rust": null, "ffi": null, "delta_rust_over_ffi": null, "status": "insufficient-data", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta<1 means Rust compressed output smaller than FFI; delta>1 means larger" }, "speed": { "series": { "rust": { "benchmark_name": "decompress/level4-row/small-4k-log-lines/rust_stream/matrix/pure_rust", "ms_per_iter": 0.005579, "bytes_per_sec": 734181753.0023302 }, "ffi": { "benchmark_name": "decompress/level4-row/small-4k-log-lines/rust_stream/matrix/c_ffi", "ms_per_iter": 0.002056, "bytes_per_sec": 1992217898.8326845 } }, "rust_ms_per_iter": 0.005579, "ffi_ms_per_iter": 0.002056, "rust_bytes_per_sec": 734181753.0023302, "ffi_bytes_per_sec": 1992217898.8326845, "delta_rust_over_ffi": 0.3685248252374978, "status": "rust_slower", "reference_band": { "delta_low": 0.99, "delta_high": 1.05 }, "interpretation": "delta>1 means Rust faster than FFI; throughput ratio uses rust_bytes_per_sec/ffi_bytes_per_sec when available, otherwise fallback is ffi_ms_per_iter/rust_ms_per_iter" }, "meta": { "target_label": "x86_64-musl", "target_triple": "x86_64-unknown-linux-musl", "commit_sha": "2e9c99ddfad4e82a03d29619a9c4e42793f28e33", "generated_at": "2026-05-14T19:06:16+03:00" } } ]