After merging your PR, Conbench analyzed the 7 benchmarking runs that have been run so far on merge-commit 924fbec.

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-i9-9960x at 2024-04-16 10:50:12Z
• Commit Run on ec2-t3-xlarge-us-east-2 at 2024-04-15 18:46:01Z
• Commit Run on test-mac-arm at 2024-04-16 00:47:55Z
• Commit Run on arm64-t4g-linux-compute at 2024-04-15 22:10:44Z
• Commit Run on ec2-m5-4xlarge-us-east-2 at 2024-04-15 22:35:22Z
• Commit Run on ursa-thinkcentre-m75q at 2024-04-15 23:10:10Z
• Commit Run on arm64-m6g-linux-compute at 2024-04-16 03:13:57Z

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 2024-04-16 00:47:55Z

  • BitRunReader (C++) with params=10, source=cpp-micro, suite=arrow-bit-util-benchmark
  • BM_ComputeHash (C++) with params=, source=cpp-micro, suite=parquet-bloom-filter-benchmark

• Commit Run on arm64-t4g-linux-compute at 2024-04-15 22:10:44Z

  • ArrayRangeEqualsBoolean (C++) with params=65536/1, source=cpp-micro, suite=arrow-compare-benchmark

• Commit Run on ec2-m5-4xlarge-us-east-2 at 2024-04-15 22:35:22Z

  • compareBenchmark (Java) with source=java-micro, suite=arrow.memory.util.ArrowBufPointerBenchmarks
  • setWithWriter (Java) with source=java-micro, suite=arrow.vector.IntBenchmarks
  • setWithValueHolder (Java) with source=java-micro, suite=arrow.vector.IntBenchmarks
  • testComputeCombinedBufferSize (Java) with source=java-micro, suite=arrow.vector.BaseValueVectorBenchmarks