After merging your PR, Conbench analyzed the 5 benchmarking runs that have been run so far on merge-commit 7da0bff.

Benchmarks with performance regressions

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

All benchmark runs analyzed:

• Commit Run on ursa-i9-9960x at 2023-08-23 02:12:55Z
• Commit Run on ec2-t3-xlarge-us-east-2 at 2023-08-23 02:07:18Z
• Commit Run on arm64-t4g-linux-compute at 2023-08-23 03:01:01Z
• Commit Run on ec2-m5-4xlarge-us-east-2 at 2023-08-23 02:07:07Z
• Commit Run on arm64-m6g-linux-compute at 2023-08-23 04:13:26Z

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 arm64-t4g-linux-compute at 2023-08-23 03:01:01Z
  • MinMaxKernelDouble (C++) with params=1048576/1, source=cpp-micro, suite=arrow-acero-aggregate-benchmark