After merging your PR, Conbench analyzed the 6 benchmarking runs that have been run so far on merge-commit 085a0ba.

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-thinkcentre-m75q at 2023-07-17 00:56:20Z
• Commit Run on ec2-t3-xlarge-us-east-2 at 2023-07-12 19:10:23Z
• Commit Run on arm64-t4g-linux-compute at 2023-07-12 22:09:05Z
• Commit Run on ec2-m5-4xlarge-us-east-2 at 2023-07-12 21:20:41Z
• Commit Run on arm64-m6g-linux-compute at 2023-07-13 02:30:31Z
• Commit Run on ursa-i9-9960x at 2023-07-22 04:38:22Z

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-m6g-linux-compute at 2023-07-13 02:30:31Z
  • params=512, source=cpp-micro, suite=arrow-bit-block-counter-benchmark