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Regressions in MicroBenchmarks.Serializers.Json_ToStream<MyEventsListerViewModel> #66464
Description
Run Information
| Architecture | arm64 |
|---|---|
| OS | Windows 10.0.19041 |
| Baseline | 5ff9efa553655c707aba44aa8fa69be4d00f1fd9 |
| Compare | 3383c7f656c0763245f33ee99357b36c4e3343b8 |
| Diff | Diff |
Regressions in MicroBenchmarks.Serializers.Json_ToStream<MyEventsListerViewModel>
| Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL |
|---|---|---|---|---|---|---|---|---|---|---|
| DataContractJsonSerializer_ - Duration of single invocation | 1.08 ms | 2.37 ms | 2.19 | 0.28 | True |
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Repro
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'MicroBenchmarks.Serializers.Json_ToStream<MyEventsListerViewModel>*'Details
Payloads
Histogram
MicroBenchmarks.Serializers.Json_ToStream<MyEventsListerViewModel>.DataContractJsonSerializer_
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 2.371457142857143 > 1.1442212656250002.
IsChangePoint: Marked as a change because one of 3/7/2022 3:58:30 PM, 3/9/2022 10:55:02 PM falls between 3/1/2022 6:59:52 AM and 3/9/2022 10:55:02 PM.
IsRegressionStdDev: Marked as regression because -65.62306573081337 (T) = (0 -2440562.517006803) / Math.Sqrt((2861194448.7166843 / (30)) + (2229457124.317026 / (7))) is less than -2.0301079282477414 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (30) + (7) - 2, .025) and -1.2075648356394613 = (1105545.1136047153 - 2440562.517006803) / 1105545.1136047153 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.
Docs
Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository
| Architecture | arm64 |
|---|---|
| OS | Windows 10.0.19041 |
| Baseline | 5ff9efa553655c707aba44aa8fa69be4d00f1fd9 |
| Compare | 3383c7f656c0763245f33ee99357b36c4e3343b8 |
| Diff | Diff |
Activity
[-][Perf] Changes at 3/7/2022 10:45:01 PM[/-][+]Regressions in MicroBenchmarks.Serializers.Json_ToStream<MyEventsListerViewModel>[/+]DrewScoggins commentedon Mar 10, 2022
Looks related to #66248
3 remaining items
eiriktsarpalis commentedon Mar 14, 2022
FWIW that's a
DataContractJsonSerializerbenchmark so it's unlikely that #66248 is related.https://github.com/dotnet/performance/blob/035dde5ceefb9e04e3bee3c4861f2e53f5a7a20c/src/benchmarks/micro/Serializers/Json_ToStream.cs#L66
StephenMolloy commentedon Aug 19, 2022
Whatever it was, it went away shortly after.
