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zstd: Minor decoder improvements #467

Merged
merged 1 commit into from
Jan 10, 2022
Merged

zstd: Minor decoder improvements #467

merged 1 commit into from
Jan 10, 2022

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klauspost
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Around 1%. Parallel results are outliers.

benchmark                                                    old ns/op     new ns/op     delta
BenchmarkDecoder_DecoderSmall/kppkn.gtb.zst-32               4569931       4482917       -1.90%
BenchmarkDecoder_DecoderSmall/geo.protodata.zst-32           1041234       1035972       -0.51%
BenchmarkDecoder_DecoderSmall/plrabn12.txt.zst-32            14863278      14590060      -1.84%
BenchmarkDecoder_DecoderSmall/lcet10.txt.zst-32              10867406      10873836      +0.06%
BenchmarkDecoder_DecoderSmall/asyoulik.txt.zst-32            3639723       3623579       -0.44%
BenchmarkDecoder_DecoderSmall/alice29.txt.zst-32             4795746       4712242       -1.74%
BenchmarkDecoder_DecoderSmall/html_x_4.zst-32                1998022       2011177       +0.66%
BenchmarkDecoder_DecoderSmall/paper-100k.pdf.zst-32          195653        192640        -1.54%
BenchmarkDecoder_DecoderSmall/fireworks.jpeg.zst-32          79823         79958         +0.17%
BenchmarkDecoder_DecoderSmall/urls.10K.zst-32                12293289      12420972      +1.04%
BenchmarkDecoder_DecoderSmall/html.zst-32                    1115542       1120073       +0.41%
BenchmarkDecoder_DecoderSmall/comp-data.bin.zst-32           87392         86033         -1.56%
BenchmarkDecoder_DecodeAll/kppkn.gtb.zst-32                  565993        561070        -0.87%
BenchmarkDecoder_DecodeAll/geo.protodata.zst-32              129586        128363        -0.94%
BenchmarkDecoder_DecodeAll/plrabn12.txt.zst-32               1793372       1780863       -0.70%
BenchmarkDecoder_DecodeAll/lcet10.txt.zst-32                 1332514       1317041       -1.16%
BenchmarkDecoder_DecodeAll/asyoulik.txt.zst-32               453067        450499        -0.57%
BenchmarkDecoder_DecodeAll/alice29.txt.zst-32                589049        587888        -0.20%
BenchmarkDecoder_DecodeAll/html_x_4.zst-32                   246588        245277        -0.53%
BenchmarkDecoder_DecodeAll/paper-100k.pdf.zst-32             24020         23410         -2.54%
BenchmarkDecoder_DecodeAll/fireworks.jpeg.zst-32             9355          9349          -0.06%
BenchmarkDecoder_DecodeAll/urls.10K.zst-32                   1505506       1488845       -1.11%
BenchmarkDecoder_DecodeAll/html.zst-32                       139603        137762        -1.32%
BenchmarkDecoder_DecodeAll/comp-data.bin.zst-32              10905         10724         -1.66%
BenchmarkDecoder_DecodeAllParallel/kppkn.gtb.zst-32          29132         28871         -0.90%
BenchmarkDecoder_DecodeAllParallel/geo.protodata.zst-32      6839          6824          -0.22%
BenchmarkDecoder_DecodeAllParallel/plrabn12.txt.zst-32       94506         93872         -0.67%
BenchmarkDecoder_DecodeAllParallel/lcet10.txt.zst-32         70281         69755         -0.75%
BenchmarkDecoder_DecodeAllParallel/asyoulik.txt.zst-32       24104         23808         -1.23%
BenchmarkDecoder_DecodeAllParallel/alice29.txt.zst-32        31807         31375         -1.36%
BenchmarkDecoder_DecodeAllParallel/html_x_4.zst-32           13238         13140         -0.74%
BenchmarkDecoder_DecodeAllParallel/paper-100k.pdf.zst-32     1347          1327          -1.48%
BenchmarkDecoder_DecodeAllParallel/fireworks.jpeg.zst-32     2011          1709          -15.02%
BenchmarkDecoder_DecodeAllParallel/urls.10K.zst-32           76267         76475         +0.27%
BenchmarkDecoder_DecodeAllParallel/html.zst-32               7523          7567          +0.58%
BenchmarkDecoder_DecodeAllParallel/comp-data.bin.zst-32      936           784           -16.21%

```
benchmark                                                    old ns/op     new ns/op     delta
BenchmarkDecoder_DecoderSmall/kppkn.gtb.zst-32               4569931       4482917       -1.90%
BenchmarkDecoder_DecoderSmall/geo.protodata.zst-32           1041234       1035972       -0.51%
BenchmarkDecoder_DecoderSmall/plrabn12.txt.zst-32            14863278      14590060      -1.84%
BenchmarkDecoder_DecoderSmall/lcet10.txt.zst-32              10867406      10873836      +0.06%
BenchmarkDecoder_DecoderSmall/asyoulik.txt.zst-32            3639723       3623579       -0.44%
BenchmarkDecoder_DecoderSmall/alice29.txt.zst-32             4795746       4712242       -1.74%
BenchmarkDecoder_DecoderSmall/html_x_4.zst-32                1998022       2011177       +0.66%
BenchmarkDecoder_DecoderSmall/paper-100k.pdf.zst-32          195653        192640        -1.54%
BenchmarkDecoder_DecoderSmall/fireworks.jpeg.zst-32          79823         79958         +0.17%
BenchmarkDecoder_DecoderSmall/urls.10K.zst-32                12293289      12420972      +1.04%
BenchmarkDecoder_DecoderSmall/html.zst-32                    1115542       1120073       +0.41%
BenchmarkDecoder_DecoderSmall/comp-data.bin.zst-32           87392         86033         -1.56%
BenchmarkDecoder_DecodeAll/kppkn.gtb.zst-32                  565993        561070        -0.87%
BenchmarkDecoder_DecodeAll/geo.protodata.zst-32              129586        128363        -0.94%
BenchmarkDecoder_DecodeAll/plrabn12.txt.zst-32               1793372       1780863       -0.70%
BenchmarkDecoder_DecodeAll/lcet10.txt.zst-32                 1332514       1317041       -1.16%
BenchmarkDecoder_DecodeAll/asyoulik.txt.zst-32               453067        450499        -0.57%
BenchmarkDecoder_DecodeAll/alice29.txt.zst-32                589049        587888        -0.20%
BenchmarkDecoder_DecodeAll/html_x_4.zst-32                   246588        245277        -0.53%
BenchmarkDecoder_DecodeAll/paper-100k.pdf.zst-32             24020         23410         -2.54%
BenchmarkDecoder_DecodeAll/fireworks.jpeg.zst-32             9355          9349          -0.06%
BenchmarkDecoder_DecodeAll/urls.10K.zst-32                   1505506       1488845       -1.11%
BenchmarkDecoder_DecodeAll/html.zst-32                       139603        137762        -1.32%
BenchmarkDecoder_DecodeAll/comp-data.bin.zst-32              10905         10724         -1.66%
BenchmarkDecoder_DecodeAllParallel/kppkn.gtb.zst-32          29132         28871         -0.90%
BenchmarkDecoder_DecodeAllParallel/geo.protodata.zst-32      6839          6824          -0.22%
BenchmarkDecoder_DecodeAllParallel/plrabn12.txt.zst-32       94506         93872         -0.67%
BenchmarkDecoder_DecodeAllParallel/lcet10.txt.zst-32         70281         69755         -0.75%
BenchmarkDecoder_DecodeAllParallel/asyoulik.txt.zst-32       24104         23808         -1.23%
BenchmarkDecoder_DecodeAllParallel/alice29.txt.zst-32        31807         31375         -1.36%
BenchmarkDecoder_DecodeAllParallel/html_x_4.zst-32           13238         13140         -0.74%
BenchmarkDecoder_DecodeAllParallel/paper-100k.pdf.zst-32     1347          1327          -1.48%
BenchmarkDecoder_DecodeAllParallel/fireworks.jpeg.zst-32     2011          1709          -15.02%
BenchmarkDecoder_DecodeAllParallel/urls.10K.zst-32           76267         76475         +0.27%
BenchmarkDecoder_DecodeAllParallel/html.zst-32               7523          7567          +0.58%
BenchmarkDecoder_DecodeAllParallel/comp-data.bin.zst-32      936           784           -16.21%
```
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