After merging your PR, Conbench analyzed the 5 benchmarking runs that have been run so far on merge-commit 1598782.

Benchmarks with performance regressions

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

All benchmark runs analyzed:

• Commit Run on test-mac-arm at 2024-06-03 21:13:32Z
• Commit Run on ec2-m5-4xlarge-us-east-2 at 2024-06-03 20:28:47Z
• Commit Run on arm64-t4g-linux-compute at 2024-06-03 21:36:51Z
• Commit Run on arm64-m6g-linux-compute at 2024-06-03 20:16:37Z
• Commit Run on ursa-thinkcentre-m75q at 2024-06-03 21:00:55Z

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 test-mac-arm at 2024-06-03 21:13:32Z

  • RoundDerivativesArrayBenchmark (C++) with params=<Ceil, DoubleType>/size:4194304/inverse_null_proportion:100, source=cpp-micro, suite=arrow-compute-scalar-round-benchmark

• Commit Run on arm64-t4g-linux-compute at 2024-06-03 21:36:51Z

  • ConstructFromShortStdVector (C++) with params=<STATIC_VECTOR(int)>, source=cpp-micro, suite=arrow-small-vector-benchmark
  • CopyEmptyVector (C++) with params=<STATIC_VECTOR(std::shared_ptr)>, source=cpp-micro, suite=arrow-small-vector-benchmark

• Commit Run on ursa-thinkcentre-m75q at 2024-06-03 21:00:55Z

  • CheckIndexBoundsUInt32 (C++) with params=524288/1, source=cpp-micro, suite=arrow-int-util-benchmark
  • BinaryMathOpAdd128 (C++) with source=cpp-micro, suite=arrow-decimal-benchmark
  • CopyShortVector (C++) with params=<SMALL_VECTOR(int)>, source=cpp-micro, suite=arrow-small-vector-benchmark