[Perf] Windows/x64: 1 Regression on 6/23/2026 11:08:11 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [2d748ca0a1e035e7b7c5bfb74e944b26a8df654b](https://github.com/dotnet/sdk/commit/2d748ca0a1e035e7b7c5bfb74e944b26a8df654b)
Compare | [4f6d02131fae05b5de421f33e38dc73906ef5aca](https://github.com/dotnet/sdk/commit/4f6d02131fae05b5de421f33e38dc73906ef5aca)
Diff | [Diff](https://github.com/dotnet/sdk/compare/2d748ca0a1e035e7b7c5bfb74e944b26a8df654b...4f6d02131fae05b5de421f33e38dc73906ef5aca)
Configs | CompilationMode:tiered, RunKind:scenarios

### Regressions in Startup - PaintDotNet - FDD Publish

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

• [Startup - PaintDotNet - FDD Publish - Generic Startup]()
• [ADX - Test Multi Config Graph]()

![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 'Startup - PaintDotNet - FDD Publish*'
```

### Startup - PaintDotNet - FDD Publish

#### 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)

Start with the performance repository's scripts/benchmarks_ci.py command in the Repro section, using the Startup - PaintDotNet - FDD Publish filter. Compare the linked baseline and test reports and consult the benchmarking and profiling workflow documents. Done means identifying and addressing the reported Windows/x64 startup regression, then confirming the benchmark result.

Written by the indexing model from the issue text.