GH-37939: [C++] Use signed arithmetic for frame of reference when enc…
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conbench-apache-arrow / Conbench performance report
succeeded
Oct 4, 2023
Found 0 regressions
After merging your PR, Conbench analyzed the 6 benchmarking runs that have been run so far on merge-commit 5514b22.
Benchmarks with performance regressions
There were 0 possible performance regressions, according to the lookback z-score method.
All benchmark runs analyzed:
- Commit Run on
ec2-m5-4xlarge-us-east-2at 2023-10-03 20:22:15Z - Commit Run on
ec2-t3-xlarge-us-east-2at 2023-10-03 20:09:42Z - Commit Run on
ursa-i9-9960xat 2023-10-03 19:54:17Z - Commit Run on
arm64-t4g-linux-computeat 2023-10-03 20:55:18Z - Commit Run on
arm64-m6g-linux-computeat 2023-10-03 21:11:46Z - Commit Run on
ursa-thinkcentre-m75qat 2023-10-04 00:58:08Z
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.
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Commit Run on
arm64-t4g-linux-computeat 2023-10-03 20:55:18ZArrayRangeEqualsFloat32(C++) with params=65536/1, source=cpp-micro, suite=arrow-compare-benchmarkBM_DeltaBitPackingDecode_Int64_Wide(C++) with params=1024, source=cpp-micro, suite=parquet-encoding-benchmarkArrayRangeEqualsFloat32(C++) with params=65536/10, source=cpp-micro, suite=arrow-compare-benchmarkArrayRangeEqualsBoolean(C++) with params=65536/1, source=cpp-micro, suite=arrow-compare-benchmark
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Commit Run on
arm64-m6g-linux-computeat 2023-10-03 21:11:46ZBM_ComputeHash(C++) with params=, source=cpp-micro, suite=parquet-bloom-filter-benchmarkBM_ComputeHash(C++) with params=, source=cpp-micro, suite=parquet-bloom-filter-benchmarkBM_DeltaBitPackingDecode_Int32_Wide(C++) with params=65536, source=cpp-micro, suite=parquet-encoding-benchmarkBM_DeltaBitPackingDecode_Int64_Narrow(C++) with params=4096, source=cpp-micro, suite=parquet-encoding-benchmarkBenchmarkBitmapAnd(C++) with params=131072/0, source=cpp-micro, suite=arrow-bit-util-benchmarkBM_ComputeHash(C++) with params=, source=cpp-micro, suite=parquet-bloom-filter-benchmarkBM_DeltaBitPackingDecode_Int64_Wide(C++) with params=32768, source=cpp-micro, suite=parquet-encoding-benchmarkBenchmarkBitmapAnd(C++) with params=131072/1, source=cpp-micro, suite=arrow-bit-util-benchmarkBM_DeltaBitPackingDecode_Int32_Narrow(C++) with params=65536, source=cpp-micro, suite=parquet-encoding-benchmarkBenchmarkBitmapVisitUInt64And(C++) with params=131072/1, source=cpp-micro, suite=arrow-bit-util-benchmarkBM_DeltaBitPackingDecode_Int32_Wide(C++) with params=1024, source=cpp-micro, suite=parquet-encoding-benchmarkBM_DeltaBitPackingDecode_Int64_Wide(C++) with params=4096, source=cpp-micro, suite=parquet-encoding-benchmarkBM_DeltaBitPackingDecode_Int32_Wide(C++) with params=32768, source=cpp-micro, suite=parquet-encoding-benchmarkBM_DeltaBitPackingDecode_Int32_Narrow(C++) with params=32768, source=cpp-micro, suite=parquet-encoding-benchmarkBM_DeltaBitPackingDecode_Int64_Narrow(C++) with params=1024, source=cpp-micro, suite=parquet-encoding-benchmarkBM_DeltaBitPackingDecode_Int32_Narrow(C++) with params=4096, source=cpp-micro, suite=parquet-encoding-benchmarkBM_ComputeHash(C++) with params=, source=cpp-micro, suite=parquet-bloom-filter-benchmarkBenchmarkBitmapVisitUInt64And(C++) with params=131072/2, source=cpp-micro, suite=arrow-bit-util-benchmarkBM_ComputeHash(C++) with params=, source=cpp-micro, suite=parquet-bloom-filter-benchmarkBM_ComputeHash(C++) with params=, source=cpp-micro, suite=parquet-bloom-filter-benchmarkBM_DeltaBitPackingDecode_Int32_Wide(C++) with params=4096, source=cpp-micro, suite=parquet-encoding-benchmarkBM_DeltaBitPackingDecode_Int64_Wide(C++) with params=65536, source=cpp-micro, suite=parquet-encoding-benchmarkBM_DeltaBitPackingDecode_Int64_Wide(C++) with params=1024, source=cpp-micro, suite=parquet-encoding-benchmarkBenchmarkBitmapAnd(C++) with params=131072/2, source=cpp-micro, suite=arrow-bit-util-benchmark
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Commit Run on
ursa-thinkcentre-m75qat 2023-10-04 00:58:08ZBM_FindExistingHash(C++) with source=cpp-micro, suite=parquet-bloom-filter-benchmarkBM_DeltaBitPackingDecode_Int64_Narrow(C++) with params=32768, source=cpp-micro, suite=parquet-encoding-benchmarkBM_DeltaBitPackingDecode_Int32_Narrow(C++) with params=65536, source=cpp-micro, suite=parquet-encoding-benchmarkBM_DeltaBitPackingDecode_Int64_Narrow(C++) with params=65536, source=cpp-micro, suite=parquet-encoding-benchmarkBM_DeltaBitPackingDecode_Int64_Narrow(C++) with params=1024, source=cpp-micro, suite=parquet-encoding-benchmarkBM_DeltaBitPackingDecode_Int64_Wide(C++) with params=4096, source=cpp-micro, suite=parquet-encoding-benchmarkBM_ArrowBinaryPlain(C++) with params=DecodeArrow_Dense/65536, source=cpp-micro, suite=parquet-encoding-benchmarkBM_ArrowBinaryPlain(C++) with params=DecodeArrowNonNull_Dense/1024, source=cpp-micro, suite=parquet-encoding-benchmarkBM_DeltaBitPackingDecode_Int32_Narrow(C++) with params=32768, source=cpp-micro, suite=parquet-encoding-benchmarkBM_DeltaBitPackingDecode_Int32_Narrow(C++) with params=4096, source=cpp-micro, suite=parquet-encoding-benchmarkSetBitsTo(C++) with params=131072, source=cpp-micro, suite=arrow-bit-util-benchmarkBM_DeltaBitPackingDecode_Int64_Narrow(C++) with params=4096, source=cpp-micro, suite=parquet-encoding-benchmark
Details
This report was generated using the lookback z-score method with a z-score threshold of 30.0.
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