After merging your PR, Conbench analyzed the 4 benchmarking runs that have been run so far on merge-commit 2e2bd8b.

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-t3-xlarge-us-east-2 at 2024-02-20 14:01:24Z
• Commit Run on arm64-t4g-linux-compute at 2024-02-20 16:29:58Z
• Commit Run on ec2-m5-4xlarge-us-east-2 at 2024-02-20 16:27:00Z
• Commit Run on ursa-thinkcentre-m75q at 2024-02-20 17:31:20Z

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 2024-02-20 17:31:20Z
  • BM_ReadBinaryColumn (C++) with params=null_probability:99/unique_values:-1, source=cpp-micro, suite=parquet-arrow-reader-writer-benchmark
  • BM_ReadBinaryColumn (C++) with params=null_probability:99/unique_values:32, source=cpp-micro, suite=parquet-arrow-reader-writer-benchmark