After merging your PR, Conbench analyzed the 5 benchmarking runs that have been run so far on merge-commit 63c91ff.

Benchmarks with performance regressions

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

All benchmark runs analyzed:

• Commit Run on test-mac-arm at 2024-04-17 14:07:58Z
• Commit Run on ec2-t3-xlarge-us-east-2 at 2024-04-17 07:41:03Z
• Commit Run on arm64-t4g-linux-compute at 2024-04-17 10:29:25Z
• Commit Run on ec2-m5-4xlarge-us-east-2 at 2024-04-17 12:35:18Z
• Commit Run on arm64-m6g-linux-compute at 2024-04-18 00:44:56Z

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 2024-04-17 14:07:58Z
  • ArrayArrayKernel (C++) with params=<AddChecked, Int32Type>/size:4194304/inverse_null_proportion:0, source=cpp-micro, suite=arrow-compute-scalar-arithmetic-benchmark
  • BitBlockCounterSumWithOffset (C++) with params=64, source=cpp-micro, suite=arrow-bit-block-counter-benchmark