[Perf] Linux/arm64: 1 Improvement on 4/4/2023 10:11:10 PM

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	ubuntu 20.04
Queue	AmpereUbuntu
Baseline	b1812ef9914225879dfd5bb1d6e1a57802abdd46
Compare	e13f0dc1e0327b5d0cd0602b55ee257ef554f0a1
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Improvements in MicroBenchmarks.Serializers.Xml_ToStream<LoginViewModel>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
DataContractSerializer_BinaryXml_ - Duration of single invocation	891.03 ns	784.98 ns	0.88	0.01	True

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

Payloads

Baseline
Compare

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'MicroBenchmarks.Serializers.Xml_ToStream<LoginViewModel>*'

Payloads

Baseline
Compare

Histogram

MicroBenchmarks.Serializers.Xml_ToStream<LoginViewModel>.DataContractSerializer_BinaryXml_

Description of detection logic

IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 784.9784633949533 < 839.5017169159006.
IsChangePoint: Marked as a change because one of 4/4/2023 3:37:20 PM, 4/6/2023 5:23:20 AM falls between 3/28/2023 4:36:21 PM and 4/6/2023 5:23:20 AM.
IsImprovementStdDev: Marked as improvement because 85.64934562222906 (T) = (0 -784.1865495332448) / Math.Sqrt((122.43705445851622 / (86)) + (0.4369433092075883 / (4))) is greater than 1.9872898648308157 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (86) + (4) - 2, .975) and 0.11911923301591679 = (890.2300730416724 - 784.1865495332448) / 890.2300730416724 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[AndyAyersMS]

Likely dotnet/runtime#73336