cyb70289 commented on pull request #10009:
URL: https://github.com/apache/arrow/pull/10009#issuecomment-818452704
Benchmark on skylake, clang-9.
```
-----------------------------------------------------------------------------------------------
Non-regressions: (40)
-----------------------------------------------------------------------------------------------
benchmark baseline contender
change % counters
ModeKernelWide<Int32Type>/1048576/0 20.644 MiB/sec 66.187 MiB/sec
220.613 {}
ModeKernelWide<Int32Type>/1048576/100 20.768 MiB/sec 65.772 MiB/sec
216.699 {}
ModeKernelWide<Int32Type>/1048576/10000 20.626 MiB/sec 65.291 MiB/sec
216.546 {}
ModeKernelWide<Int32Type>/1048576/10 22.390 MiB/sec 69.904 MiB/sec
212.209 {}
ModeKernelWide<FloatType>/1048576/10000 18.174 MiB/sec 54.517 MiB/sec
199.975 {}
ModeKernelWide<FloatType>/1048576/0 18.423 MiB/sec 54.869 MiB/sec
197.826 {}
ModeKernelWide<FloatType>/1048576/10 20.009 MiB/sec 59.346 MiB/sec
196.601 {}
ModeKernelWide<FloatType>/1048576/100 18.486 MiB/sec 54.568 MiB/sec
195.186 {}
ModeKernelWide<Int64Type>/1048576/100 46.593 MiB/sec 136.786 MiB/sec
193.578 {}
ModeKernelWide<Int64Type>/1048576/0 46.434 MiB/sec 134.296 MiB/sec
189.221 {}
ModeKernelWide<Int64Type>/1048576/10000 46.435 MiB/sec 134.149 MiB/sec
188.894 {}
ModeKernelNarrow<Int64Type>/1048576/0 893.469 MiB/sec 2.515 GiB/sec
188.197 {}
ModeKernelNarrow<Int64Type>/1048576/10000 886.403 MiB/sec 2.484 GiB/sec
186.933 {}
ModeKernelWide<Int64Type>/1048576/10 50.182 MiB/sec 143.034 MiB/sec
185.029 {}
ModeKernelWide<DoubleType>/1048576/10000 40.525 MiB/sec 115.477 MiB/sec
184.953 {}
ModeKernelWide<DoubleType>/1048576/100 41.114 MiB/sec 116.862 MiB/sec
184.241 {}
ModeKernelWide<DoubleType>/1048576/10 44.555 MiB/sec 126.095 MiB/sec
183.008 {}
ModeKernelWide<DoubleType>/1048576/0 41.083 MiB/sec 113.499 MiB/sec
176.263 {}
ModeKernelWide<FloatType>/1048576/2 39.704 MiB/sec 106.142 MiB/sec
167.335 {}
ModeKernelNarrow<Int64Type>/1048576/100 853.217 MiB/sec 2.223 GiB/sec
166.836 {}
ModeKernelWide<Int32Type>/1048576/2 43.329 MiB/sec 115.209 MiB/sec
165.893 {}
ModeKernelWide<DoubleType>/1048576/2 88.485 MiB/sec 223.284 MiB/sec
152.340 {}
ModeKernelWide<Int64Type>/1048576/2 97.572 MiB/sec 236.831 MiB/sec
142.723 {}
ModeKernelNarrow<Int32Type>/1048576/0 715.706 MiB/sec 1.522 GiB/sec
117.703 {}
ModeKernelNarrow<Int32Type>/1048576/10000 714.237 MiB/sec 1.497 GiB/sec
114.577 {}
ModeKernelNarrow<Int64Type>/1048576/10 701.986 MiB/sec 1.399 GiB/sec
104.094 {}
ModeKernelNarrow<Int32Type>/1048576/100 666.834 MiB/sec 1.291 GiB/sec
98.234 {}
ModeKernelNarrow<Int64Type>/1048576/2 611.412 MiB/sec 1.057 GiB/sec
77.008 {}
ModeKernelNarrow<Int32Type>/1048576/10 499.852 MiB/sec 780.344 MiB/sec
56.115 {}
ModeKernelNarrow<Int32Type>/1048576/2 402.986 MiB/sec 562.758 MiB/sec
39.647 {}
ModeKernelNarrow<Int8Type>/1048576/1 499.705 GiB/sec 639.311 GiB/sec
27.938 {}
ModeKernelWide<DoubleType>/1048576/1 599.969 GiB/sec 738.218 GiB/sec
23.043 {}
ModeKernelNarrow<Int64Type>/1048576/1 610.213 GiB/sec 743.338 GiB/sec
21.816 {}
ModeKernelWide<Int64Type>/1048576/1 608.551 GiB/sec 735.741 GiB/sec
20.901 {}
ModeKernelWide<Int32Type>/1048576/1 611.261 GiB/sec 727.163 GiB/sec
18.961 {}
ModeKernelNarrow<Int32Type>/1048576/1 601.834 GiB/sec 714.017 GiB/sec
18.640 {}
ModeKernelWide<FloatType>/1048576/1 612.628 GiB/sec 716.591 GiB/sec
16.970 {}
ModeKernelNarrow<BooleanType>/1048576/1 628.851 GiB/sec 691.936 GiB/sec
10.032 {}
ModeKernelNarrow<BooleanType>/1048576/0 21.709 GiB/sec 22.397 GiB/sec
3.166 {}
ModeKernelNarrow<Int8Type>/1048576/2 293.420 MiB/sec 286.770 MiB/sec
-2.266 {}
-------------------------------------------------------------------------------------------------
Regressions: (8)
-------------------------------------------------------------------------------------------------
benchmark baseline
contender change % counters
ModeKernelNarrow<BooleanType>/1048576/10000 1.959 GiB/sec 1.856
GiB/sec -5.274 {}
ModeKernelNarrow<BooleanType>/1048576/2 1.957 GiB/sec 1.854
GiB/sec -5.293 {}
ModeKernelNarrow<BooleanType>/1048576/100 1.972 GiB/sec 1.866
GiB/sec -5.374 {}
ModeKernelNarrow<BooleanType>/1048576/10 1.974 GiB/sec 1.855
GiB/sec -6.027 {}
ModeKernelNarrow<Int8Type>/1048576/10 364.472 MiB/sec 342.415
MiB/sec -6.052 {}
ModeKernelNarrow<Int8Type>/1048576/0 484.491 MiB/sec 440.347
MiB/sec -9.111 {}
ModeKernelNarrow<Int8Type>/1048576/100 458.333 MiB/sec 416.045
MiB/sec -9.226 {}
ModeKernelNarrow<Int8Type>/1048576/10000 486.679 MiB/sec 439.186
MiB/sec -9.759 {}
```
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