Thanks for your patience. Conbench analyzed the 7 benchmarking runs that have been run so far on PR commit 7e7e5c6.

Benchmarks with performance regressions

There were 0 possible performance regressions, according to the lookback z-score method.

All benchmark runs analyzed:

• Pull Request Run on ursa-i9-9960x at 2024-03-01 17:47:29Z
• Pull Request Run on ec2-m5-4xlarge-us-east-2 at 2024-03-01 15:46:09Z
• Pull Request Run on test-mac-arm at 2024-03-01 16:23:40Z
• Pull Request Run on ec2-t3-xlarge-us-east-2 at 2024-03-01 15:17:33Z
• Pull Request Run on arm64-t4g-linux-compute at 2024-03-01 17:48:01Z
• Pull Request Run on ursa-thinkcentre-m75q at 2024-03-01 18:23:09Z
• Pull Request Run on arm64-m6g-linux-compute at 2024-03-01 17:50:39Z

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.

• Pull Request Run on ursa-thinkcentre-m75q at 2024-03-01 18:23:09Z
  • UniqueString100bytes (C++) with params=0, source=cpp-micro, suite=arrow-compute-vector-hash-benchmark