[Perf] Linux/x64: 2 Regressions on 1/8/2024 11:59:44 AM

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	TigerUbuntu
Baseline	c1de4ba68eccad2d450ab2fb5ba39fdf498a373e
Compare	0823c5c2814ffad5718f06715899ef91aa84aae2
Diff	Diff
Configs	AOT:true, CompilationMode:wasm, RunKind:micro

Regressions in System.Text.Json.Tests.Perf_Ctor

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Ctor - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	70.63 ns	96.57 ns	1.37	0.48	False
Ctor - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	68.56 ns	82.75 ns	1.21	0.50	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_Ctor*'

Payloads

Baseline
Compare

System.Text.Json.Tests.Perf_Ctor.Ctor(Formatted: False, SkipValidation: False)

ETL Files

Histogram

JIT Disasms

System.Text.Json.Tests.Perf_Ctor.Ctor(Formatted: True, SkipValidation: True)

ETL Files

Histogram

JIT Disasms

Docs

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

[radekdoulik]

looks like dotnet/runtime#95292, range dotnet/runtime@0823c5c...499e288