After merging your PR, Conbench analyzed the 3 benchmarking runs that have been run so far on merge-commit 2df7b23.

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 2024-10-30 01:45:34Z
• Commit Run on arm64-t4g-2xlarge-linux at 2024-10-30 04:21:11Z
• Commit Run on amd64-m5-4xlarge-linux at 2024-10-30 05:46:01Z

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 2024-10-30 01:45:34Z
  • TouchArea (C++) with params=size:65536/real_time/threads:8, source=cpp-micro, suite=arrow-memory-pool-benchmark