After merging your PR, Conbench analyzed the 6 benchmarking runs that have been run so far on merge-commit b3b958e.

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 2023-10-17 01:15:02Z
• Commit Run on ec2-t3-xlarge-us-east-2 at 2023-10-17 03:51:56Z
• Commit Run on arm64-t4g-linux-compute at 2023-10-17 07:33:28Z
• Commit Run on ec2-m5-4xlarge-us-east-2 at 2023-10-17 06:40:12Z
• Commit Run on arm64-m6g-linux-compute at 2023-10-17 17:09:18Z
• Commit Run on ursa-thinkcentre-m75q at 2023-10-19 10:56:53Z

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 2023-10-19 10:56:53Z
  • FloatRowMajorTensorConversionFixture (C++) with params=/ConvertToSparseCOOTensorInt64, source=cpp-micro, suite=arrow-tensor-conversion-benchmark
  • ConstructFromEmptyStdVector (C++) with params=<STATIC_VECTOR(std::shared_ptr)>, source=cpp-micro, suite=arrow-small-vector-benchmark