[Perf] Windows/x64: 2 Regressions on 8/1/2025 8:57:30 PM +00:00 #118397
Description
Run Information
| Name | Value |
|---|---|
| Architecture | x64 |
| OS | Windows 10.0.22621 |
| Queue | TigerWindows |
| Baseline | 41c675e5adf23ce7bdf5ac18a3ab3f90042e3787 |
| Compare | bb20ad0490660f7ca450122531a7afd9aab08dea |
| Diff | Diff |
| Configs | CompilationMode:tiered, RunKind:micro |
Regressions in System.Reflection.Metadata.Perf_TypeName
| Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio |
|---|---|---|---|---|---|---|---|---|
| 2.76 μs | 5.72 μs | 2.07 | 0.06 | False | ||||
| 3.35 μs | 6.93 μs | 2.07 | 0.01 | False |
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.Reflection.Metadata.Perf_TypeName*'System.Reflection.Metadata.Perf_TypeName.Parse_AssemblyQualifiedName(input: typeof(System.Collections.Generic.Dictionary`2[]))
ETL Files
Histogram
JIT Disasms
System.Reflection.Metadata.Perf_TypeName.ParseAndGetAssemblyQualifiedName(input: typeof(System.Collections.Generic.Dictionary`2[]))
ETL Files
Histogram
JIT Disasms
Docs
Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository