[Perf] Windows/x64: 8 Regressions on 5/18/2026 8:37:47 AM +00:00

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#73,100 opened on May 18, 2026 1 comment 0 reactions 0 assignees View on GitHub

arch-x64 branch-11.0 compilationmode-tiered kind-scenarios os-windows perf-regression runkind-scenarios untriaged

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Stars: 10
Forks: 8
PR merge metrics: PR metrics pending

Description

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [88f54a26a932b6535047d5ddd4a58370ca356664](https://github.com/dotnet/sdk/commit/88f54a26a932b6535047d5ddd4a58370ca356664)
Compare | [3a62cc842c76761d4742f1d103892f19fd06dd3a](https://github.com/dotnet/sdk/commit/3a62cc842c76761d4742f1d103892f19fd06dd3a)
Diff | [Diff](https://github.com/dotnet/sdk/compare/88f54a26a932b6535047d5ddd4a58370ca356664...3a62cc842c76761d4742f1d103892f19fd06dd3a)
Configs | CompilationMode:tiered, RunKind:scenarios

### Regressions in Startup - New Console Template - FDD Publish

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

[Startup - New Console Template - FDD Publish - Time To Main]()
[ADX - Test Multi Config Graph]()

| 42.07 ms | 43.01 ms | 1.02 | 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 - New Console Template - FDD Publish*'
```

### Startup - New Console Template - 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

### Regressions in SOD - New VB Console Template - SCD Publish

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

[SOD - New VB Console Template - SCD Publish - SOD - New VB Console Template - SCD Publish]()
[ADX - Test Multi Config Graph]()

| 77.39 MB | 79.22 MB | 1.02 | 0.00 | True | | |

![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 'SOD - New VB Console Template - SCD Publish*'
```

### SOD - New VB Console Template - SCD Publish

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

---

### Run Information

### Regressions in SOD - Static VB Console Template - SCD Publish

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

[SOD - Static VB Console Template - SCD Publish - SOD - Static VB Console Template - SCD Publish]()
[ADX - Test Multi Config Graph]()

| 77.39 MB | 79.22 MB | 1.02 | 0.00 | True | | |

![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 'SOD - Static VB Console Template - SCD Publish*'
```

### SOD - Static VB Console Template - SCD Publish

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

---

### Run Information

### 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]()

| 992.62 ms | 1066.57 ms | 1.07 | 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

---

### Run Information

### 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]()

| 949.93 ms | 917.81 ms | 0.97 | 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

---

### Run Information

### Regressions in SOD - Static F# Console Template - SCD Publish

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

[SOD - Static F# Console Template - SCD Publish - SOD - Static F# Console Template - SCD Publish]()
[ADX - Test Multi Config Graph]()

| 79.97 MB | 81.94 MB | 1.02 | 0.00 | True | | |

![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 'SOD - Static F# Console Template - SCD Publish*'
```

### SOD - Static F# Console Template - SCD Publish

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

---

### Run Information

### Regressions in SOD - Static F# Console Template - FDD Publish

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

[SOD - Static F# Console Template - FDD Publish - SOD - Static F# Console Template - FDD Publish]()
[ADX - Test Multi Config Graph]()

| 2.75 MB | 2.88 MB | 1.05 | 0.00 | True | | |

![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 'SOD - Static F# Console Template - FDD Publish*'
```

### SOD - Static F# Console Template - FDD Publish

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

---

### Run Information

### Regressions in SOD - New Console Template - SCD Publish

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

[SOD - New Console Template - SCD Publish - SOD - New Console Template - SCD Publish]()
[ADX - Test Multi Config Graph]()

| 77.39 MB | 79.22 MB | 1.02 | 0.00 | True | | |

![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 'SOD - New Console Template - SCD Publish*'
```

### SOD - New Console Template - SCD Publish

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

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[Perf] Windows/x64: 8 Regressions on 5/18/2026 8:37:47 AM +00:00

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