[Perf] Windows/x64: 3 Regressions on 1/17/2024 10:12:28 AM

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	Windows 10.0.18362
Queue	TigerWindows
Baseline	143a9bf41ca8cfb2761e764fbfaba96f9dbd46e6
Compare	bdbdf3ee942f5bd1efdf4c3adc03b93723ff2780
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Json.Serialization.Tests.ColdStartSerialization<SimpleStructWithProperties>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
NewDefaultOptions - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	946.61 ns	1.00 μs	1.06	0.32	False
NewCachedCustomConverter - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	1.09 μs	1.18 μs	1.07	0.05	False
CachedJsonSerializerContext - Duration of single invocation 📈 - ADX Test Multi Config Graph	503.80 ns	557.56 ns	1.11	0.11	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.Serialization.Tests.ColdStartSerialization<SimpleStructWithProperties>*'

Payloads

Baseline
Compare

System.Text.Json.Serialization.Tests.ColdStartSerialization<SimpleStructWithProperties>.NewDefaultOptions

ETL Files

Histogram

JIT Disasms

System.Text.Json.Serialization.Tests.ColdStartSerialization<SimpleStructWithProperties>.NewCachedCustomConverter

ETL Files

Histogram

JIT Disasms

System.Text.Json.Serialization.Tests.ColdStartSerialization<SimpleStructWithProperties>.CachedJsonSerializerContext

ETL Files

Histogram

JIT Disasms

Docs

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

[EgorBo]

dotnet/runtime#96609