[Perf] Linux/x64: 2 Regressions on 4/8/2024 6:26:42 PM

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	TigerUbuntu
Baseline	230dc86e9d92fbf191bf3b45b3f1b656f83d4426
Compare	f6f91998634961ec4df518ebe99d245ba34e7874
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Json.Serialization.Tests.ReadJson<Dictionary<String, String>>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
DeserializeFromReader - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	15.14 μs	16.92 μs	1.12	0.02	False
DeserializeFromUtf8Bytes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	11.96 μs	13.59 μs	1.14	0.01	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.Serialization.Tests.ReadJson<Dictionary<String, String>>*'

System.Text.Json.Serialization.Tests.ReadJson<Dictionary<String, String>>.DeserializeFromReader(Mode: SourceGen)

ETL Files

Histogram

JIT Disasms

System.Text.Json.Serialization.Tests.ReadJson<Dictionary<String, String>>.DeserializeFromUtf8Bytes(Mode: SourceGen)

ETL Files

Histogram

JIT Disasms

Docs

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