After merging your PR, Conbench analyzed the 5 benchmarking runs that have been run so far on merge-commit fa43106.

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 2023-09-20 02:13:59Z
• Commit Run on ec2-t3-xlarge-us-east-2 at 2023-09-19 19:37:27Z
• Commit Run on ec2-m5-4xlarge-us-east-2 at 2023-09-19 21:17:37Z
• Commit Run on arm64-t4g-linux-compute at 2023-09-19 21:44:48Z
• Commit Run on arm64-m6g-linux-compute at 2023-09-20 00:50:41Z

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 2023-09-20 02:13:59Z

  • BM_ArrowBinaryPlain (C++) with params=DecodeArrow_Dense/65536, source=cpp-micro, suite=parquet-encoding-benchmark
  • BM_ArrowBinaryPlain (C++) with params=DecodeArrowNonNull_Dense/1024, source=cpp-micro, suite=parquet-encoding-benchmark

• Commit Run on arm64-m6g-linux-compute at 2023-09-20 00:50:41Z

  • ReadMmapUncachedFileAsync (C++) with params=num_cols:64/is_partial:1/real_time, source=cpp-micro, suite=arrow-ipc-read-write-benchmark