pitrou opened a new pull request #6997:
URL: https://github.com/apache/arrow/pull/6997
Example output:
```
-------------------------------------------------------------------------------------------------------
Benchmark Time
CPU Iterations
-------------------------------------------------------------------------------------------------------
TouchArea/size:4096/real_time 20.1 ns
20.1 ns 34893671
TouchArea/size:65536/real_time 483 ns
483 ns 1448647
TouchArea/size:1048576/real_time 7670 ns
7669 ns 90816
TouchArea/size:16777216/real_time 124297 ns
124280 ns 5611
AllocateDeallocate<SystemAlloc>/size:4096/real_time 18.6 ns
18.6 ns 37781939
AllocateDeallocate<SystemAlloc>/size:65536/real_time 161 ns
161 ns 4360765
AllocateDeallocate<SystemAlloc>/size:1048576/real_time 328 ns
328 ns 2131288
AllocateDeallocate<SystemAlloc>/size:16777216/real_time 160 ns
160 ns 4366862
AllocateTouchDeallocate<SystemAlloc>/size:4096/real_time 40.4 ns
40.4 ns 17333165
AllocateTouchDeallocate<SystemAlloc>/size:65536/real_time 640 ns
640 ns 1092988
AllocateTouchDeallocate<SystemAlloc>/size:1048576/real_time 7959 ns
7958 ns 87693
AllocateTouchDeallocate<SystemAlloc>/size:16777216/real_time 124816 ns
124801 ns 5602
AllocateDeallocate<Jemalloc>/size:4096/real_time 22.2 ns
22.2 ns 31611774
AllocateDeallocate<Jemalloc>/size:65536/real_time 157 ns
157 ns 4460745
AllocateDeallocate<Jemalloc>/size:1048576/real_time 330 ns
330 ns 2113808
AllocateDeallocate<Jemalloc>/size:16777216/real_time 158 ns
158 ns 4439623
AllocateTouchDeallocate<Jemalloc>/size:4096/real_time 43.0 ns
43.0 ns 16252256
AllocateTouchDeallocate<Jemalloc>/size:65536/real_time 638 ns
638 ns 1091897
AllocateTouchDeallocate<Jemalloc>/size:1048576/real_time 7961 ns
7960 ns 87755
AllocateTouchDeallocate<Jemalloc>/size:16777216/real_time 124699 ns
124682 ns 5588
AllocateDeallocate<Mimalloc>/size:4096/real_time 232 ns
232 ns 3015215
AllocateDeallocate<Mimalloc>/size:65536/real_time 153 ns
153 ns 4527945
AllocateDeallocate<Mimalloc>/size:1048576/real_time 146 ns
146 ns 4720662
AllocateDeallocate<Mimalloc>/size:16777216/real_time 144 ns
144 ns 4859165
AllocateTouchDeallocate<Mimalloc>/size:4096/real_time 254 ns
254 ns 2750031
AllocateTouchDeallocate<Mimalloc>/size:65536/real_time 635 ns
635 ns 1100267
AllocateTouchDeallocate<Mimalloc>/size:1048576/real_time 7753 ns
7752 ns 89887
AllocateTouchDeallocate<Mimalloc>/size:16777216/real_time 124518 ns
124501 ns 5604
```
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