[Perf] Windows/x64: 2 Improvements on 1/26/2025 12:49:59 PM +00:00

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.22631
Queue	ViperWindows
Baseline	1084c54e1668f199a93d1f4bab5162ee3ea48c8e
Compare	843f7985e470f5526799abacb81cbb245c7dec70
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Improvements in System.Text.Json.Tests.Perf_Reader

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ReadReturnBytes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	49.93 ns	41.66 ns	0.83	0.60	False
ReadSpanEmptyLoop - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	81.04 ns	49.58 ns	0.61	0.61	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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Tests.Perf_Reader*'

System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: True, TestCase: HelloWorld)

ETL Files

Histogram

JIT Disasms

System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact: False, TestCase: HelloWorld)

ETL Files

Histogram

JIT Disasms

Docs

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

[AndyAyersMS]

dotnet/runtime#111733