After merging your PR, Conbench analyzed the 4 benchmarking runs that have been run so far on merge-commit 5710638.

Benchmarks with performance regressions

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

All benchmark runs analyzed:

• Commit Run on ec2-m5-4xlarge-us-east-2 at 2024-08-06 01:36:12Z
• Commit Run on ec2-c6a-4xlarge-us-east-2 at 2024-08-06 01:29:26Z
• Commit Run on test-mac-arm at 2024-08-06 01:29:10Z
• Commit Run on arm64-t4g-linux-compute at 2024-08-06 02:03:33Z

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 ec2-c6a-4xlarge-us-east-2 at 2024-08-06 01:29:26Z
  • ArrayArrayKernel (C++) with params=<DivideChecked, Int64Type>/size:524288/inverse_null_proportion:0, source=cpp-micro, suite=arrow-compute-scalar-arithmetic-benchmark