wjones127 commented on PR #33731:
URL: https://github.com/apache/arrow/pull/33731#issuecomment-1396117917
Local benchmarks confirm this doesn't seem to have a meaningful affect on
performance:
```
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Non-regressions: (20)
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
benchmark baseline
contender change %
counters
AllocateDeallocate<SystemAlloc>/size:16777216/real_time 264.865114
270.309814 2.056 {'family_index': 1, 'per_family_instance_index': 3,
'run_name': 'AllocateDeallocate<SystemAlloc>/size:16777216/real_time',
'repetitions': 10, 'repetition_index': 5, 'threads': 1, 'iterations': 2646218}
TouchArea/size:65536/real_time 2073.088409
2102.201688 1.404 {'family_index': 0,
'per_family_instance_index': 1, 'run_name': 'TouchArea/size:65536/real_time',
'repetitions': 10, 'repetition_index': 8, 'threads': 1, 'iterations': 338503}
AllocateTouchDeallocate<Mimalloc>/size:1048576/real_time 58004.604073
58547.859656 0.937 {'family_index': 4, 'per_family_instance_index': 2,
'run_name': 'AllocateTouchDeallocate<Mimalloc>/size:1048576/real_time',
'repetitions': 10, 'repetition_index': 9, 'threads': 1, 'iterations': 12050}
TouchArea/size:1048576/real_time 33798.339093
34108.716406 0.918 {'family_index': 0,
'per_family_instance_index': 2, 'run_name': 'TouchArea/size:1048576/real_time',
'repetitions': 10, 'repetition_index': 6, 'threads': 1, 'iterations': 20679}
TouchArea/size:16777216/real_time 555616.013949
559728.605189 0.740 {'family_index': 0,
'per_family_instance_index': 3, 'run_name':
'TouchArea/size:16777216/real_time', 'repetitions': 10, 'repetition_index': 8,
'threads': 1, 'iterations': 1238}
AllocateTouchDeallocate<SystemAlloc>/size:4096/real_time 205.279964
206.720969 0.702 {'family_index': 2, 'per_family_instance_index': 0,
'run_name': 'AllocateTouchDeallocate<SystemAlloc>/size:4096/real_time',
'repetitions': 10, 'repetition_index': 2, 'threads': 1, 'iterations': 3397743}
AllocateDeallocate<SystemAlloc>/size:1048576/real_time 86.631662
87.188996 0.643 {'family_index': 1, 'per_family_instance_index': 2,
'run_name': 'AllocateDeallocate<SystemAlloc>/size:1048576/real_time',
'repetitions': 10, 'repetition_index': 2, 'threads': 1, 'iterations': 8012878}
AllocateDeallocate<SystemAlloc>/size:65536/real_time 86.715660
87.233966 0.598 {'family_index': 1, 'per_family_instance_index': 1,
'run_name': 'AllocateDeallocate<SystemAlloc>/size:65536/real_time',
'repetitions': 10, 'repetition_index': 4, 'threads': 1, 'iterations': 8064265}
AllocateTouchDeallocate<SystemAlloc>/size:1048576/real_time 33744.497321
33941.250271 0.583 {'family_index': 2, 'per_family_instance_index': 2,
'run_name': 'AllocateTouchDeallocate<SystemAlloc>/size:1048576/real_time',
'repetitions': 10, 'repetition_index': 5, 'threads': 1, 'iterations': 20702}
TouchArea/size:4096/real_time 105.445068
106.045668 0.570 {'family_index': 0,
'per_family_instance_index': 0, 'run_name': 'TouchArea/size:4096/real_time',
'repetitions': 10, 'repetition_index': 8, 'threads': 1, 'iterations': 5587137}
AllocateDeallocate<Mimalloc>/size:4096/real_time 615.564121
618.911726 0.544 {'family_index': 3, 'per_family_instance_index':
0, 'run_name': 'AllocateDeallocate<Mimalloc>/size:4096/real_time',
'repetitions': 10, 'repetition_index': 2, 'threads': 1, 'iterations': 1133612}
AllocateTouchDeallocate<SystemAlloc>/size:65536/real_time 2183.956326
2194.576623 0.486 {'family_index': 2, 'per_family_instance_index': 1,
'run_name': 'AllocateTouchDeallocate<SystemAlloc>/size:65536/real_time',
'repetitions': 10, 'repetition_index': 7, 'threads': 1, 'iterations': 321459}
AllocateTouchDeallocate<Mimalloc>/size:4096/real_time 738.431923
741.599917 0.429 {'family_index': 4, 'per_family_instance_index': 0,
'run_name': 'AllocateTouchDeallocate<Mimalloc>/size:4096/real_time',
'repetitions': 10, 'repetition_index': 9, 'threads': 1, 'iterations': 945778}
AllocateDeallocate<Mimalloc>/size:16777216/real_time 541207.905798
542746.952466 0.284 {'family_index': 3,
'per_family_instance_index': 3, 'run_name':
'AllocateDeallocate<Mimalloc>/size:16777216/real_time', 'repetitions': 10,
'repetition_index': 7, 'threads': 1, 'iterations': 1220}
AllocateDeallocate<SystemAlloc>/size:4096/real_time 81.856769
82.027025 0.208 {'family_index': 1, 'per_family_instance_index': 0,
'run_name': 'AllocateDeallocate<SystemAlloc>/size:4096/real_time',
'repetitions': 10, 'repetition_index': 5, 'threads': 1, 'iterations': 8543875}
AllocateDeallocate<Mimalloc>/size:65536/real_time 2680.987560
2681.028080 0.002 {'family_index': 3, 'per_family_instance_index':
1, 'run_name': 'AllocateDeallocate<Mimalloc>/size:65536/real_time',
'repetitions': 10, 'repetition_index': 0, 'threads': 1, 'iterations': 261797}
AllocateDeallocate<Mimalloc>/size:1048576/real_time 35094.429406
35048.055175 -0.132 {'family_index': 3, 'per_family_instance_index':
2, 'run_name': 'AllocateDeallocate<Mimalloc>/size:1048576/real_time',
'repetitions': 10, 'repetition_index': 5, 'threads': 1, 'iterations': 19992}
AllocateTouchDeallocate<Mimalloc>/size:16777216/real_time 950131.925658
948438.976006 -0.178 {'family_index': 4, 'per_family_instance_index': 3,
'run_name': 'AllocateTouchDeallocate<Mimalloc>/size:16777216/real_time',
'repetitions': 10, 'repetition_index': 4, 'threads': 1, 'iterations': 725}
AllocateTouchDeallocate<Mimalloc>/size:65536/real_time 4142.543854
4133.527899 -0.218 {'family_index': 4, 'per_family_instance_index': 1,
'run_name': 'AllocateTouchDeallocate<Mimalloc>/size:65536/real_time',
'repetitions': 10, 'repetition_index': 2, 'threads': 1, 'iterations': 170360}
AllocateTouchDeallocate<SystemAlloc>/size:16777216/real_time 562788.074673
556769.522773 -1.069 {'family_index': 2, 'per_family_instance_index': 3,
'run_name': 'AllocateTouchDeallocate<SystemAlloc>/size:16777216/real_time',
'repetitions': 10, 'repetition_index': 0, 'threads': 1, 'iterations': 1247}
```
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