wjones127 commented on PR #33731:
URL: https://github.com/apache/arrow/pull/33731#issuecomment-1396074423
Testing locally, this doesn't seem to have a meaningful performance impact:
```
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Non-regressions: (20)
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
benchmark baseline
contender change %
counters
AllocateTouchDeallocate<SystemAlloc>/size:4096/real_time 204.664099
210.051257 2.632 {'family_index': 2, 'per_family_instance_index': 0,
'run_name': 'AllocateTouchDeallocate<SystemAlloc>/size:4096/real_time',
'repetitions': 10, 'repetition_index': 8, 'threads': 1, 'iterations': 3426305}
AllocateDeallocate<SystemAlloc>/size:16777216/real_time 268.668581
275.188987 2.427 {'family_index': 1, 'per_family_instance_index': 3,
'run_name': 'AllocateDeallocate<SystemAlloc>/size:16777216/real_time',
'repetitions': 10, 'repetition_index': 3, 'threads': 1, 'iterations': 2586670}
TouchArea/size:4096/real_time 104.906135
107.346276 2.326 {'family_index': 0,
'per_family_instance_index': 0, 'run_name': 'TouchArea/size:4096/real_time',
'repetitions': 10, 'repetition_index': 9, 'threads': 1, 'iterations': 6503239}
AllocateDeallocate<SystemAlloc>/size:4096/real_time 81.298200
82.528759 1.514 {'family_index': 1, 'per_family_instance_index': 0,
'run_name': 'AllocateDeallocate<SystemAlloc>/size:4096/real_time',
'repetitions': 10, 'repetition_index': 1, 'threads': 1, 'iterations': 8574009}
AllocateDeallocate<SystemAlloc>/size:65536/real_time 86.242152
87.317544 1.247 {'family_index': 1, 'per_family_instance_index': 1,
'run_name': 'AllocateDeallocate<SystemAlloc>/size:65536/real_time',
'repetitions': 10, 'repetition_index': 9, 'threads': 1, 'iterations': 8032808}
TouchArea/size:65536/real_time 2065.637857
2089.153075 1.138 {'family_index': 0,
'per_family_instance_index': 1, 'run_name': 'TouchArea/size:65536/real_time',
'repetitions': 10, 'repetition_index': 9, 'threads': 1, 'iterations': 338534}
TouchArea/size:1048576/real_time 33561.687758
33897.958823 1.002 {'family_index': 0,
'per_family_instance_index': 2, 'run_name': 'TouchArea/size:1048576/real_time',
'repetitions': 10, 'repetition_index': 0, 'threads': 1, 'iterations': 20904}
AllocateDeallocate<SystemAlloc>/size:1048576/real_time 86.329281
87.151204 0.952 {'family_index': 1, 'per_family_instance_index': 2,
'run_name': 'AllocateDeallocate<SystemAlloc>/size:1048576/real_time',
'repetitions': 10, 'repetition_index': 9, 'threads': 1, 'iterations': 8052877}
TouchArea/size:16777216/real_time 551992.977624
554943.583726 0.535 {'family_index': 0,
'per_family_instance_index': 3, 'run_name':
'TouchArea/size:16777216/real_time', 'repetitions': 10, 'repetition_index': 6,
'threads': 1, 'iterations': 1246}
AllocateDeallocate<Mimalloc>/size:4096/real_time 611.195491
613.837637 0.432 {'family_index': 3, 'per_family_instance_index':
0, 'run_name': 'AllocateDeallocate<Mimalloc>/size:4096/real_time',
'repetitions': 10, 'repetition_index': 7, 'threads': 1, 'iterations': 1129148}
AllocateTouchDeallocate<SystemAlloc>/size:1048576/real_time 33637.068404
33742.818697 0.314 {'family_index': 2, 'per_family_instance_index': 2,
'run_name': 'AllocateTouchDeallocate<SystemAlloc>/size:1048576/real_time',
'repetitions': 10, 'repetition_index': 9, 'threads': 1, 'iterations': 20786}
AllocateTouchDeallocate<SystemAlloc>/size:65536/real_time 2178.021521
2184.250021 0.286 {'family_index': 2, 'per_family_instance_index': 1,
'run_name': 'AllocateTouchDeallocate<SystemAlloc>/size:65536/real_time',
'repetitions': 10, 'repetition_index': 8, 'threads': 1, 'iterations': 301956}
AllocateDeallocate<Mimalloc>/size:1048576/real_time 49273.256884
49396.177104 0.249 {'family_index': 3, 'per_family_instance_index':
2, 'run_name': 'AllocateDeallocate<Mimalloc>/size:1048576/real_time',
'repetitions': 10, 'repetition_index': 5, 'threads': 1, 'iterations': 13986}
AllocateDeallocate<Mimalloc>/size:65536/real_time 3593.347898
3598.912585 0.155 {'family_index': 3, 'per_family_instance_index':
1, 'run_name': 'AllocateDeallocate<Mimalloc>/size:65536/real_time',
'repetitions': 10, 'repetition_index': 8, 'threads': 1, 'iterations': 194419}
AllocateTouchDeallocate<Mimalloc>/size:65536/real_time 4172.062963
4178.303784 0.150 {'family_index': 4, 'per_family_instance_index': 1,
'run_name': 'AllocateTouchDeallocate<Mimalloc>/size:65536/real_time',
'repetitions': 10, 'repetition_index': 9, 'threads': 1, 'iterations': 166754}
AllocateTouchDeallocate<Mimalloc>/size:16777216/real_time 945658.178997
947048.350806 0.147 {'family_index': 4, 'per_family_instance_index': 3,
'run_name': 'AllocateTouchDeallocate<Mimalloc>/size:16777216/real_time',
'repetitions': 10, 'repetition_index': 0, 'threads': 1, 'iterations': 729}
AllocateTouchDeallocate<Mimalloc>/size:1048576/real_time 58226.434250
58305.874371 0.136 {'family_index': 4, 'per_family_instance_index': 2,
'run_name': 'AllocateTouchDeallocate<Mimalloc>/size:1048576/real_time',
'repetitions': 10, 'repetition_index': 9, 'threads': 1, 'iterations': 11955}
AllocateTouchDeallocate<Mimalloc>/size:4096/real_time 736.315782
736.488692 0.023 {'family_index': 4, 'per_family_instance_index': 0,
'run_name': 'AllocateTouchDeallocate<Mimalloc>/size:4096/real_time',
'repetitions': 10, 'repetition_index': 5, 'threads': 1, 'iterations': 948133}
AllocateDeallocate<Mimalloc>/size:16777216/real_time 756510.580898
746775.527627 -1.287 {'family_index': 3,
'per_family_instance_index': 3, 'run_name':
'AllocateDeallocate<Mimalloc>/size:16777216/real_time', 'repetitions': 10,
'repetition_index': 2, 'threads': 1, 'iterations': 892}
AllocateTouchDeallocate<SystemAlloc>/size:16777216/real_time 562993.345414
554626.038461 -1.486 {'family_index': 2, 'per_family_instance_index': 3,
'run_name': 'AllocateTouchDeallocate<SystemAlloc>/size:16777216/real_time',
'repetitions': 10, 'repetition_index': 0, 'threads': 1, 'iterations': 1246}
```
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