After merging your PR, Conbench analyzed the 4 benchmarking runs that have been run so far on merge-commit baf56f1.

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 2024-09-30 19:12:07Z
• Commit Run on amd64-m5-4xlarge-linux at 2024-09-30 19:27:08Z
• Commit Run on arm64-t4g-2xlarge-linux at 2024-09-30 19:34:37Z
• Commit Run on test-mac-arm at 2024-09-30 19:33:08Z

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-c6a-4xlarge-linux at 2024-09-30 19:12:07Z
  • ShortVectorPushBack (C++) with params=<STD_VECTOR(int)>, source=cpp-micro, suite=arrow-small-vector-benchmark