[Perf] Windows/x86: 1 Improvement on 3/27/2026 11:20:25 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [e5f4006c045d0054f6cc507591018448211236ea](https://github.com/dotnet/runtime/commit/e5f4006c045d0054f6cc507591018448211236ea)
Compare | [a1eb7b3e52860862ffd38e139053b66f9d10d4f6](https://github.com/dotnet/runtime/commit/a1eb7b3e52860862ffd38e139053b66f9d10d4f6)
Diff | [Diff](https://github.com/dotnet/runtime/compare/e5f4006c045d0054f6cc507591018448211236ea...a1eb7b3e52860862ffd38e139053b66f9d10d4f6)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in System.Text.Json.Serialization.Tests.ColdStartSerialization<SimpleStructWithProperties>

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

• [NewCustomConverter - Duration of single invocation]()
• 📝 - [Benchmark Source]()
• [ADX - Test Multi Config Graph]()

[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Serialization.Tests.ColdStartSerialization*'
```

### System.Text.Json.Serialization.Tests.ColdStartSerialization<SimpleStructWithProperties>.NewCustomConverter

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)