[Perf] Windows/x64: 2 Regressions on 4/20/2026 8:52:20 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [5bed4499b04cbbaec57ac4209ae993acca3648cc](https://github.com/dotnet/sdk/commit/5bed4499b04cbbaec57ac4209ae993acca3648cc)
Compare | [ab01524bbb2ef1eea0ffaef161b3ef5686e8f256](https://github.com/dotnet/sdk/commit/ab01524bbb2ef1eea0ffaef161b3ef5686e8f256)
Diff | [Diff](https://github.com/dotnet/sdk/compare/5bed4499b04cbbaec57ac4209ae993acca3648cc...ab01524bbb2ef1eea0ffaef161b3ef5686e8f256)
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]()

| 1005.69 ms | 1136.87 ms | 1.13 | 0.00 | True | | |

![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)

---

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [5bed4499b04cbbaec57ac4209ae993acca3648cc](https://github.com/dotnet/sdk/commit/5bed4499b04cbbaec57ac4209ae993acca3648cc)
Compare | [ab01524bbb2ef1eea0ffaef161b3ef5686e8f256](https://github.com/dotnet/sdk/commit/ab01524bbb2ef1eea0ffaef161b3ef5686e8f256)
Diff | [Diff](https://github.com/dotnet/sdk/compare/5bed4499b04cbbaec57ac4209ae993acca3648cc...ab01524bbb2ef1eea0ffaef161b3ef5686e8f256)
Configs | CompilationMode:tiered, RunKind:scenarios

### Improvements in Startup - PaintDotNet - FDD Publish - Affinity 85

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

• [Startup - PaintDotNet - FDD Publish - Affinity 85 - Generic Startup]()
• [ADX - Test Multi Config Graph]()

| 931.04 ms | 860.22 ms | 0.92 | 0.00 | True | | |

![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 - Affinity 85*'
```

### Startup - PaintDotNet - FDD Publish - Affinity 85

#### 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)