After merging your PR, Conbench analyzed the 5 benchmarking runs that have been run so far on merge-commit 6dcba93.

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 2023-11-07 08:16:21Z
• Commit Run on ec2-t3-xlarge-us-east-2 at 2023-11-07 05:50:48Z
• Commit Run on arm64-t4g-linux-compute at 2023-11-07 09:02:37Z
• Commit Run on arm64-m6g-linux-compute at 2023-11-07 17:07:28Z
• Commit Run on ursa-thinkcentre-m75q at 2023-11-07 17:42:44Z

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 2023-11-07 17:42:44Z
  • CopyEmptyVector (C++) with params=<STATIC_VECTOR(std::string)>, source=cpp-micro, suite=arrow-small-vector-benchmark