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Description
Run Information
| Architecture | arm64 |
|---|---|
| OS | ubuntu 18.04 |
| Baseline | 03c21467c97e75103d429a0e67504e402f6da17d |
| Compare | 676a6bb4de26e34945b9170870f4712906fa834d |
| Diff | Diff |
Regressions in System.Buffers.Text.Tests.Utf8FormatterTests
| Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL |
|---|---|---|---|---|---|---|---|---|---|---|
| FormatterDouble - Duration of single invocation | 410.94 ns | 468.91 ns | 1.14 | 0.40 | False |
Repro
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Buffers.Text.Tests.Utf8FormatterTests*'Details
Payloads
Histogram
System.Buffers.Text.Tests.Utf8FormatterTests.FormatterDouble(value: -1.7976931348623157E+308)
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 468.9141878565955 > 410.36694401894476.
IsChangePoint: Marked as a change because one of 7/2/2022 7:35:06 PM, 7/6/2022 3:55:24 AM, 8/24/2022 9:15:22 AM, 9/1/2022 1:51:24 AM falls between 8/23/2022 7:19:33 AM and 9/1/2022 1:51:24 AM.
IsRegressionStdDev: Marked as regression because -8.372385661592352 (T) = (0 -434.1177742152755) / Math.Sqrt((126.22231679051696 / (18)) + (425.2109045537848 / (31))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (31) - 2, .025) and -0.09625921790410619 = (395.9992008507329 - 434.1177742152755) / 395.9992008507329 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 not as a regression because Edge Detector said so.
Docs
Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository
