After merging your PR, Conbench analyzed the 4 benchmarking runs that have been run so far on merge-commit d3c4676.

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 2025-02-10 10:00:34Z
• Commit Run on arm64-t4g-2xlarge-linux at 2025-02-10 10:19:24Z
• Commit Run on amd64-m5-4xlarge-linux at 2025-02-10 11:26:52Z
• Commit Run on test-mac-arm at 2025-02-10 10:23:07Z

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 amd64-m5-4xlarge-linux at 2025-02-10 11:26:52Z
  • ArrayScalarKernel (C++) with params=<MultiplyChecked, UInt8Type>/size:1048576/inverse_null_proportion:0, source=cpp-micro, suite=arrow-compute-scalar-arithmetic-benchmark