After merging your PR, Conbench analyzed the 4 benchmarking runs that have been run so far on merge-commit 9445fe4.

Benchmarks with performance regressions

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

All benchmark runs analyzed:

• Commit Run on amd64-c6a-4xlarge-linux at 2024-09-04 11:00:33Z
• Commit Run on arm64-t4g-2xlarge-linux at 2024-09-04 10:18:56Z
• Commit Run on amd64-m5-4xlarge-linux at 2024-09-04 11:16:30Z
• Commit Run on test-mac-arm at 2024-09-05 00:16:38Z

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 amd64-c6a-4xlarge-linux at 2024-09-04 11:00:33Z

  • BenchmarkTemporal (C++) with params=<Year, zoned>/524288/100, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark
  • BenchmarkTemporal (C++) with params=<Hour, zoned>/524288/100, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark
  • BenchmarkTemporal (C++) with params=<IsDaylightSavings, zoned>/524288/0, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark
  • BenchmarkTemporal (C++) with params=<IsLeapYear, zoned>/524288/100, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark
  • BenchmarkTemporal (C++) with params=<ISOYear, zoned>/524288/100, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark
  • BenchmarkTemporal (C++) with params=<Year, zoned>/524288/0, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark
  • BenchmarkTemporal (C++) with params=<Minute, zoned>/524288/100, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark
  • BenchmarkTemporal (C++) with params=<Month, zoned>/524288/0, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark
  • BenchmarkTemporal (C++) with params=<IsDaylightSavings, zoned>/524288/100, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark
  • BenchmarkTemporal (C++) with params=<Quarter, zoned>/524288/100, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark
  • BenchmarkTemporal (C++) with params=<Quarter, zoned>/524288/0, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark
  • BenchmarkTemporal (C++) with params=<Minute, zoned>/524288/0, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark
  • BenchmarkTemporal (C++) with params=<Day, zoned>/524288/100, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark
  • BenchmarkTemporal (C++) with params=<ISOYear, zoned>/524288/0, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark
  • loadValidityBufferAllOne (Java) with source=java-micro, suite=arrow.vector.BitVectorHelperBenchmarks
  • BenchmarkTemporal (C++) with params=<Hour, zoned>/524288/0, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark
  • BenchmarkTemporal (C++) with params=<IsLeapYear, zoned>/524288/0, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark
  • BenchmarkTemporal (C++) with params=<Day, zoned>/524288/0, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark
  • BenchmarkTemporal (C++) with params=<Month, zoned>/524288/100, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark

• Commit Run on amd64-m5-4xlarge-linux at 2024-09-04 11:16:30Z

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

• Commit Run on test-mac-arm at 2024-09-05 00:16:38Z

  • BenchmarkTemporalRounding (C++) with params=<RoundTemporal, zoned, round_1_month>/4194304/100, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark
  • BenchmarkTemporalRounding (C++) with params=<RoundTemporal, zoned, round_1_month>/4194304/0, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark
  • BenchmarkTemporalRounding (C++) with params=<RoundTemporal, zoned, round_10_month>/4194304/100, source=cpp-micro, suite=arrow-compute-scalar-temporal-benchmark
  • MoveShortVector (C++) with params=<STD_VECTOR(int)>, source=cpp-micro, suite=arrow-small-vector-benchmark