cyb70289 commented on pull request #11828:
URL: https://github.com/apache/arrow/pull/11828#issuecomment-984259602
Benchmark results on Arm
- Neoverse N1, clang 12
```
-----------------------------------------------------------------
Non-regressions: (6)
-----------------------------------------------------------------
benchmark baseline contender change %
ParseCSVStocksExample 698.463 MiB/sec 824.504 MiB/sec 18.045
ParseCSVVehiclesExample 829.866 MiB/sec 930.924 MiB/sec 12.178
ParseCSVFlightsExample 360.965 MiB/sec 370.729 MiB/sec 2.705
ChunkCSVNoNewlinesBlock 192.60396 192.781582 0.092
ChunkCSVQuotedBlock 720.335 MiB/sec 720.514 MiB/sec 0.025
ChunkCSVEscapedBlock 773.758 MiB/sec 773.617 MiB/sec -0.018
--------------------------------------------------------------
Regressions: (2)
--------------------------------------------------------------
benchmark baseline contender change %
ParseCSVEscapedBlock 486.972 MiB/sec 428.163 MiB/sec -12.076
ParseCSVQuotedBlock 508.004 MiB/sec 433.838 MiB/sec -14.599
```
- Apple M1, apple clang 12
```
-----------------------------------------------------------------
Non-regressions: (8)
-----------------------------------------------------------------
benchmark baseline contender change %
counters
ParseCSVStocksExample 413.247 MiB/sec 887.798 MiB/sec 114.835
ParseCSVVehiclesExample 411.425 MiB/sec 861.115 MiB/sec 109.301
ParseCSVFlightsExample 410.395 MiB/sec 418.624 MiB/sec 2.005
ParseCSVQuotedBlock 464.105 MiB/sec 466.134 MiB/sec 0.437
ChunkCSVEscapedBlock 1.527 GiB/sec 1.528 GiB/sec 0.018
ParseCSVEscapedBlock 470.576 MiB/sec 470.657 MiB/sec 0.017
ChunkCSVQuotedBlock 1.352 GiB/sec 1.351 GiB/sec -0.057
ChunkCSVNoNewlinesBlock 111.499999 106.370383 -4.601
```
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