After merging your PR, Conbench analyzed the 7 benchmarking runs that have been run so far on merge-commit bad7b1a.

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 2024-03-14 13:13:56Z
• Commit Run on ec2-m5-4xlarge-us-east-2 at 2024-03-14 18:17:38Z
• Commit Run on arm64-t4g-linux-compute at 2024-03-14 21:19:17Z
• Commit Run on test-mac-arm at 2024-03-15 06:20:52Z
• Commit Run on arm64-m6g-linux-compute at 2024-03-15 16:50:50Z
• Commit Run on ec2-t3-xlarge-us-east-2 at 2024-03-14 11:36:46Z
• Commit Run on ursa-i9-9960x at 2024-03-14 11:37:17Z

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 2024-03-14 13:13:56Z

  • BenchmarkTemporalRounding (C++) with params=<CeilTemporal, non_zoned, round_10_week>/524288/100, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark

• Commit Run on arm64-m6g-linux-compute at 2024-03-15 16:50:50Z

  • ProjectionOverheadIsolated (C++) with params=complex_expression/batch_size:100000/real_time, source=cpp-micro, suite=arrow-acero-project-benchmark