[Perf] Windows/x64: 2 Regressions on 6/1/2026 8:40:54 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [b520ee7cc01690f70d1431951f554c4e0666a69a](https://github.com/dotnet/sdk/commit/b520ee7cc01690f70d1431951f554c4e0666a69a)
Compare | [e6542746cf944ff2a1a595edf2af006ef3046784](https://github.com/dotnet/sdk/commit/e6542746cf944ff2a1a595edf2af006ef3046784)
Diff | [Diff](https://github.com/dotnet/sdk/compare/b520ee7cc01690f70d1431951f554c4e0666a69a...e6542746cf944ff2a1a595edf2af006ef3046784)
Configs | CompilationMode:tiered, RunKind:scenarios

### Regressions in Startup - WinForms Large - FDD Publish

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

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

| 1018.62 ms | 1119.29 ms | 1.10 | 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 - WinForms Large - FDD Publish*'
```

### Startup - WinForms Large - 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 | [b520ee7cc01690f70d1431951f554c4e0666a69a](https://github.com/dotnet/sdk/commit/b520ee7cc01690f70d1431951f554c4e0666a69a)
Compare | [e6542746cf944ff2a1a595edf2af006ef3046784](https://github.com/dotnet/sdk/commit/e6542746cf944ff2a1a595edf2af006ef3046784)
Diff | [Diff](https://github.com/dotnet/sdk/compare/b520ee7cc01690f70d1431951f554c4e0666a69a...e6542746cf944ff2a1a595edf2af006ef3046784)
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]()

| 1036.84 ms | 1091.27 ms | 1.05 | 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)