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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2020/08/14 01:49:57 UTC
[GitHub] [arrow] cyb70289 commented on pull request #7963: ARROW-9699: [C++][Compute] Optimize mode kernel for small integer types
cyb70289 commented on pull request #7963:
URL: https://github.com/apache/arrow/pull/7963#issuecomment-673834858
**Removed unrelated tests for clarity.
100% null benchmark is not stable, can be ignored.**
```
$ archery benchmark diff --suite-filter="arrow-compute-aggregate-benchmark" --cc=clang-9 --cxx=clang++-9
benchmark baseline contender change %
ModeKernelInt8/1048576/10000 60.196 MiB/sec 477.048 MiB/sec 692.487 'null_percent': 0.01
ModeKernelInt8/1048576/100 60.548 MiB/sec 470.066 MiB/sec 676.351, 'null_percent': 1.0
ModeKernelInt8/1048576/0 63.520 MiB/sec 472.362 MiB/sec 643.638, 'null_percent': 0.0
ModeKernelInt8/1048576/10 62.997 MiB/sec 420.059 MiB/sec 566.788 'null_percent': 10.0
ModeKernelBoolean/1048576/10 7.640 MiB/sec 28.329 MiB/sec 270.793 'null_percent': 10.0
ModeKernelBoolean/1048576/10000 7.332 MiB/sec 26.496 MiB/sec 261.362 'null_percent': 0.01
ModeKernelBoolean/1048576/100 7.415 MiB/sec 26.710 MiB/sec 260.212, 'null_percent': 1.0
ModeKernelBoolean/1048576/0 8.079 MiB/sec 28.428 MiB/sec 251.895, 'null_percent': 0.0
ModeKernelInt8/1048576/2 80.291 MiB/sec 265.673 MiB/sec 230.887 'null_percent': 50.0
ModeKernelBoolean/1048576/2 12.449 MiB/sec 27.915 MiB/sec 124.235 'null_percent': 50.0
ModeKernelInt8/1048576/1 864.966 MiB/sec 1.313 GiB/sec 55.455'null_percent': 100.0
ModeKernelBoolean/1048576/1 115.581 MiB/sec 153.801 MiB/sec 33.067'null_percent': 100.0
ModeKernelInt32/1048576/10000 228.572 MiB/sec 263.524 MiB/sec 15.292 'null_percent': 0.01
ModeKernelInt32/1048576/100 230.087 MiB/sec 265.102 MiB/sec 15.218, 'null_percent': 1.0
ModeKernelInt16/1048576/10000 115.973 MiB/sec 132.465 MiB/sec 14.221 'null_percent': 0.01
ModeKernelInt16/1048576/100 116.657 MiB/sec 132.673 MiB/sec 13.729, 'null_percent': 1.0
ModeKernelInt32/1048576/10 241.338 MiB/sec 270.446 MiB/sec 12.061 'null_percent': 10.0
ModeKernelInt16/1048576/10 122.426 MiB/sec 135.675 MiB/sec 10.822 'null_percent': 10.0
ModeKernelInt64/1048576/10000 481.018 MiB/sec 523.582 MiB/sec 8.849 'null_percent': 0.01
ModeKernelInt64/1048576/100 485.800 MiB/sec 527.232 MiB/sec 8.529, 'null_percent': 1.0
ModeKernelInt64/1048576/10 526.491 MiB/sec 569.412 MiB/sec 8.152 'null_percent': 10.0
ModeKernelInt64/1048576/1 6.671 GiB/sec 7.180 GiB/sec 7.623'null_percent': 100.0
ModeKernelInt64/1048576/2 783.253 MiB/sec 813.436 MiB/sec 3.854 'null_percent': 50.0
ModeKernelInt32/1048576/0 257.627 MiB/sec 265.602 MiB/sec 3.096, 'null_percent': 0.0
ModeKernelInt16/1048576/0 128.580 MiB/sec 132.340 MiB/sec 2.924, 'null_percent': 0.0
ModeKernelInt16/1048576/2 160.189 MiB/sec 164.776 MiB/sec 2.863 'null_percent': 50.0
ModeKernelInt64/1048576/0 514.855 MiB/sec 528.897 MiB/sec 2.727, 'null_percent': 0.0
ModeKernelInt32/1048576/2 321.334 MiB/sec 324.092 MiB/sec 0.858 'null_percent': 50.0
ModeKernelInt16/1048576/1 1.860 GiB/sec 1.653 GiB/sec -11.109'null_percent': 100.0
ModeKernelInt32/1048576/1 5.728 GiB/sec 3.263 GiB/sec -43.038'null_percent': 100.0
```
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