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arch-x64area-System.Buffersruntime-coreclrspecific to the CoreCLR runtimespecific to the CoreCLR runtimetenet-performancePerformance related issuePerformance related issuetenet-performance-benchmarksIssue from performance benchmarkIssue from performance benchmark
Description
Run Information
| Architecture | x64 |
|---|---|
| OS | Windows 10.0.18362 |
| Baseline | 5c57f2c0cda44176e237574ceb51d659ef9915fa |
| Compare | f216e77788933d4d6906f7f91d09375719f4e6b2 |
| Diff | Diff |
Regressions in System.Buffers.Binary.Tests.BinaryReadAndWriteTests
| Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL |
|---|---|---|---|---|---|---|---|---|---|---|
| ReadStructFieldByFieldUsingBitConverterBE - Duration of single invocation | 21.41 ns | 32.53 ns | 1.52 | 0.11 | True |
Repro
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Buffers.Binary.Tests.BinaryReadAndWriteTests*'Details
Payloads
Histogram
System.Buffers.Binary.Tests.BinaryReadAndWriteTests.ReadStructFieldByFieldUsingBitConverterBE
Description of detection logic
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 32.53420517559187 > 21.87106496083853.
IsChangePoint: Marked as a change because one of 4/13/2022 1:59:07 PM, 4/19/2022 4:39:14 PM falls between 4/10/2022 11:44:05 PM and 4/19/2022 4:39:14 PM.
IsRegressionStdDev: Marked as regression because -88.23270965365063 (T) = (0 -32.283158821426134) / Math.Sqrt((0.3468327710995198 / (30)) + (0.1563465723247371 / (26))) is less than -2.0048792881871513 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (30) + (26) - 2, .025) and -0.5681883882104664 = (20.586275899074835 - 32.283158821426134) / 20.586275899074835 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.
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Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository
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arch-x64area-System.Buffersruntime-coreclrspecific to the CoreCLR runtimespecific to the CoreCLR runtimetenet-performancePerformance related issuePerformance related issuetenet-performance-benchmarksIssue from performance benchmarkIssue from performance benchmark