After merging your PR, Conbench analyzed the 4 benchmarking runs that have been run so far on merge-commit aeb1618.

Benchmarks with performance regressions

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

All benchmark runs analyzed:

• Commit Run on arm64-t4g-linux-compute at 2024-04-09 17:00:19Z
• Commit Run on ec2-m5-4xlarge-us-east-2 at 2024-04-09 14:36:04Z
• Commit Run on ec2-t3-xlarge-us-east-2 at 2024-04-09 14:31:40Z
• Commit Run on arm64-m6g-linux-compute at 2024-04-09 18:22:03Z

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 arm64-m6g-linux-compute at 2024-04-09 18:22:03Z
  • ShortVectorPushBack (C++) with params=<STATIC_VECTOR(std::shared_ptr)>, source=cpp-micro, suite=arrow-small-vector-benchmark
  • HexParsing (C++) with params=, source=cpp-micro, suite=arrow-value-parsing-benchmark
  • IntegerParsing (C++) with params=, source=cpp-micro, suite=arrow-value-parsing-benchmark
  • HexParsing (C++) with params=, source=cpp-micro, suite=arrow-value-parsing-benchmark
  • HexParsing (C++) with params=, source=cpp-micro, suite=arrow-value-parsing-benchmark
  • HexParsing (C++) with params=, source=cpp-micro, suite=arrow-value-parsing-benchmark
  • IntegerParsing (C++) with params=, source=cpp-micro, suite=arrow-value-parsing-benchmark
  • HexParsing (C++) with params=, source=cpp-micro, suite=arrow-value-parsing-benchmark
  • HexParsing (C++) with params=, source=cpp-micro, suite=arrow-value-parsing-benchmark
  • HexParsing (C++) with params=, source=cpp-micro, suite=arrow-value-parsing-benchmark
  • IntegerParsing (C++) with params=, source=cpp-micro, suite=arrow-value-parsing-benchmark
  • IntegerParsing (C++) with params=, source=cpp-micro, suite=arrow-value-parsing-benchmark