After merging your PR, Conbench analyzed the 4 benchmarking runs that have been run so far on merge-commit 41e1118.

Benchmarks with performance regressions

There were 0 possible performance regressions, according to the lookback z-score method.

All benchmark runs analyzed:

• Commit Run on amd64-c6a-4xlarge-linux at 2024-09-03 07:14:11Z
• Commit Run on arm64-t4g-2xlarge-linux at 2024-09-03 11:03:05Z
• Commit Run on amd64-m5-4xlarge-linux at 2024-09-03 15:31:07Z
• Commit Run on test-mac-arm at 2024-09-03 23:19:19Z

Unstable benchmarks with performance regressions

The following benchmark results indicate a possible performance regression, but are known to sometimes produce false positives when applying the lookback z-score analysis.

• Commit Run on test-mac-arm at 2024-09-03 23:19:19Z
  • Constants (C++) with source=cpp-micro, suite=arrow-decimal-benchmark
  • TouchArea (C++) with params=size:65536/real_time/threads:2, source=cpp-micro, suite=arrow-memory-pool-benchmark
  • TouchArea (C++) with params=size:65536/real_time/threads:4, source=cpp-micro, suite=arrow-memory-pool-benchmark
  • TouchArea (C++) with params=size:4096/real_time/threads:4, source=cpp-micro, suite=arrow-memory-pool-benchmark
  • ListSliceStringListView (C++) with params=65536/2, source=cpp-micro, suite=arrow-compute-scalar-list-benchmark