After merging your PR, Conbench analyzed the 5 benchmarking runs that have been run so far on merge-commit 79e49db.

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 2023-09-21 10:33:28Z
• Commit Run on arm64-t4g-linux-compute at 2023-09-21 11:12:21Z
• Commit Run on ec2-m5-4xlarge-us-east-2 at 2023-09-21 10:55:25Z
• Commit Run on ursa-thinkcentre-m75q at 2023-09-21 16:41:54Z
• Commit Run on arm64-m6g-linux-compute at 2023-09-21 11:07:54Z

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 2023-09-21 16:41:54Z

  • Constants (C++) with source=cpp-micro, suite=arrow-decimal-benchmark
  • RoundArrayBenchmark (C++) with params=<Round, Int32Type, RoundMode::DOWN>/size:524288/inverse_null_proportion:0, source=cpp-micro, suite=arrow-compute-scalar-round-benchmark

• Commit Run on arm64-m6g-linux-compute at 2023-09-21 11:07:54Z

  • IntegerFormatting (C++) with params=, source=cpp-micro, suite=arrow-value-parsing-benchmark
  • MoveShortVector (C++) with params=<SMALL_VECTOR(std::string)>, source=cpp-micro, suite=arrow-small-vector-benchmark