After merging your PR, Conbench analyzed the 5 benchmarking runs that have been run so far on merge-commit 00efb06.

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-m5-4xlarge-us-east-2 at 2023-09-29 21:05:46Z
• Commit Run on ursa-thinkcentre-m75q at 2023-09-30 13:42:04Z
• Commit Run on ec2-t3-xlarge-us-east-2 at 2023-09-29 21:23:31Z
• Commit Run on arm64-t4g-linux-compute at 2023-09-29 21:53:54Z
• Commit Run on arm64-m6g-linux-compute at 2023-09-30 01:48:24Z

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 2023-09-30 13:42:04Z

  • MinMaxKernelDouble (C++) with params=1048576/0, source=cpp-micro, suite=arrow-acero-aggregate-benchmark
  • BM_RleEncoding (C++) with params=65536/1, source=cpp-micro, suite=parquet-column-io-benchmark

• Commit Run on arm64-m6g-linux-compute at 2023-09-30 01:48:24Z

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