[Perf] Linux/arm64: 2 Improvements on 7/18/2025 11:30:29 PM +00:00

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	ubuntu 22.04
Queue	AmpereUbuntu
Baseline	af872f01ee00528a0f8a5c02b05e6bef09f3111b
Compare	d817f032075f77c7852b9f653c064a3346948667
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Improvements in System.Text.Json.Tests.Perf_Deep

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
WriteDeepUtf16 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.36 ms	4.07 ms	0.76	0.20	False
WriteDeepUtf16 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.43 ms	4.12 ms	0.76	0.25	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_Deep*'

System.Text.Json.Tests.Perf_Deep.WriteDeepUtf16(Formatted: False, SkipValidation: True)

ETL Files

Histogram

JIT Disasms

System.Text.Json.Tests.Perf_Deep.WriteDeepUtf16(Formatted: False, SkipValidation: False)

ETL Files

Histogram

JIT Disasms

Docs

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