After merging your PR, Conbench analyzed the 6 benchmarking runs that have been run so far on merge-commit a0e58f1.

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 2023-10-19 22:06:12Z
• Commit Run on ec2-m5-4xlarge-us-east-2 at 2023-10-19 20:19:56Z
• Commit Run on ec2-t3-xlarge-us-east-2 at 2023-10-19 19:34:56Z
• Commit Run on arm64-t4g-linux-compute at 2023-10-19 22:12:30Z
• Commit Run on arm64-m6g-linux-compute at 2023-10-20 00:58:43Z
• Commit Run on ursa-thinkcentre-m75q at 2023-10-22 13:09:34Z

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 ursa-thinkcentre-m75q at 2023-10-22 13:09:34Z
  • BitBlockCounterSumWithOffset (C++) with params=65536, source=cpp-micro, suite=arrow-bit-block-counter-benchmark
  • BitBlockCounterSumWithOffset (C++) with params=4096, source=cpp-micro, suite=arrow-bit-block-counter-benchmark