[Perf] Linux/x64: 4 Improvements on 4/14/2025 12:19:10 AM +00:00

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	TigerUbuntu
Baseline	d57c352fb4ddd44d53933e95e8b125cd58b30f42
Compare	2f5c61c78c05825665c76da423e9c648bfd1e407
Diff	Diff
Configs	CompilationMode:wasm, RunKind:micro

Improvements in System.Text.Json.Tests.Perf_Depth

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ReadSpanEmptyLoop - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	479.72 μs	244.64 μs	0.51	0.44	False
ReadSpanEmptyLoop - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	59.82 μs	26.31 μs	0.44	0.41	False
ReadSpanEmptyLoop - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	122.68 μs	26.67 μs	0.22	0.39	False
ReadSpanEmptyLoop - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.53 μs	1.40 μs	0.91	0.45	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_Depth*'

System.Text.Json.Tests.Perf_Depth.ReadSpanEmptyLoop(Depth: 512)

ETL Files

Histogram

JIT Disasms

System.Text.Json.Tests.Perf_Depth.ReadSpanEmptyLoop(Depth: 64)

ETL Files

Histogram

JIT Disasms

System.Text.Json.Tests.Perf_Depth.ReadSpanEmptyLoop(Depth: 65)

ETL Files

Histogram

JIT Disasms

System.Text.Json.Tests.Perf_Depth.ReadSpanEmptyLoop(Depth: 1)

ETL Files

Histogram

JIT Disasms

Docs

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

[lewing]

dotnet/runtime#114669