[Perf] Linux/x64: Regression in System.Text.Json.Tests.Perf_Basic on 8/19/2024 8:38:43 PM

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	ViperUbuntu
Baseline	ca99ff45874b478c2d7a80bc069a720045579f43
Compare	65141b6f40e4352bfa0da33f0b019c28c1beb28a
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Json.Tests.Perf_Basic

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
WriteBasicUtf8 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	341.27 ns	376.39 ns	1.10	0.09	False

Test Report

Repro

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

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Tests.Perf_Basic*'

System.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted: False, SkipValidation: False, DataSize: 10)

ETL Files

Histogram

JIT Disasms

Docs

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

[LoopedBard3]

Compare range: b1908e2...29f3687
Likely commit: #105098, @MichalPetryka

Related Regressions:
Windows x64: dotnet/perf-autofiling-issues#40240, dotnet/perf-autofiling-issues#40242
Linux Arm64: dotnet/perf-autofiling-issues#40379

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[JulieLeeMSFT]

@EgorBo, PTAL.