dotnet / dotnet/perf-autofiling-issues

[Perf] Windows/x86: 4 Regressions on 5/14/2026 10:19:55 AM +00:00

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arch-x86 branch-11.0 compilationmode-tiered kind-sdk_scenarios os-windows perf-regression runkind-sdk_scenarios untriaged
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Description

### Run Information

Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [ebbbb32f13fb8f53a8a34587c4c7dcb792adb8ea](https://github.com/dotnet/sdk/commit/ebbbb32f13fb8f53a8a34587c4c7dcb792adb8ea)
Compare | [e7e670209561b8487c7efa8a45ee7c87cac3bafe](https://github.com/dotnet/sdk/commit/e7e670209561b8487c7efa8a45ee7c87cac3bafe)
Diff | [Diff](https://github.com/dotnet/sdk/compare/ebbbb32f13fb8f53a8a34587c4c7dcb792adb8ea...e7e670209561b8487c7efa8a45ee7c87cac3bafe)
Configs | CompilationMode:tiered, RunKind:sdk_scenarios

### Regressions in SDK MSTest Test Project (.NET Core) Template Clean Build

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

  • [SDK MSTest Test Project - Process Time]()
  • [ADX - Test Multi Config Graph]()
| 2889.11 ms | 3149.59 ms | 1.09 | 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 'SDK MSTest Test Project (.NET Core) Template Clean Build*'
```

### SDK MSTest Test Project (.NET Core) Template Clean Build

#### 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 | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [ebbbb32f13fb8f53a8a34587c4c7dcb792adb8ea](https://github.com/dotnet/sdk/commit/ebbbb32f13fb8f53a8a34587c4c7dcb792adb8ea)
Compare | [e7e670209561b8487c7efa8a45ee7c87cac3bafe](https://github.com/dotnet/sdk/commit/e7e670209561b8487c7efa8a45ee7c87cac3bafe)
Diff | [Diff](https://github.com/dotnet/sdk/compare/ebbbb32f13fb8f53a8a34587c4c7dcb792adb8ea...e7e670209561b8487c7efa8a45ee7c87cac3bafe)
Configs | CompilationMode:tiered, RunKind:sdk_scenarios

### Improvements in Inner Loop Blazor Client

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

  • [Inner Loop Blazor Client - Generic Startup Diff]()
  • [ADX - Test Multi Config Graph]()
| 1929.83 ms | 1882.50 ms | 0.98 | 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 'Inner Loop Blazor Client*'
```

### Inner Loop Blazor Client

#### 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 | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [ebbbb32f13fb8f53a8a34587c4c7dcb792adb8ea](https://github.com/dotnet/sdk/commit/ebbbb32f13fb8f53a8a34587c4c7dcb792adb8ea)
Compare | [e7e670209561b8487c7efa8a45ee7c87cac3bafe](https://github.com/dotnet/sdk/commit/e7e670209561b8487c7efa8a45ee7c87cac3bafe)
Diff | [Diff](https://github.com/dotnet/sdk/compare/ebbbb32f13fb8f53a8a34587c4c7dcb792adb8ea...e7e670209561b8487c7efa8a45ee7c87cac3bafe)
Configs | CompilationMode:tiered, RunKind:sdk_scenarios

### Regressions in Inner Loop MVC

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

  • [Inner Loop MVC - Generic Startup Diff]()
  • [ADX - Test Multi Config Graph]()
| 363.47 ms | 438.01 ms | 1.21 | 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 'Inner Loop MVC*'
```

### Inner Loop MVC

#### 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 | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [ebbbb32f13fb8f53a8a34587c4c7dcb792adb8ea](https://github.com/dotnet/sdk/commit/ebbbb32f13fb8f53a8a34587c4c7dcb792adb8ea)
Compare | [e7e670209561b8487c7efa8a45ee7c87cac3bafe](https://github.com/dotnet/sdk/commit/e7e670209561b8487c7efa8a45ee7c87cac3bafe)
Diff | [Diff](https://github.com/dotnet/sdk/compare/ebbbb32f13fb8f53a8a34587c4c7dcb792adb8ea...e7e670209561b8487c7efa8a45ee7c87cac3bafe)
Configs | CompilationMode:tiered, RunKind:sdk_scenarios

### Improvements in SDK ASP.NET Core Web App (Model-View-Controller) Template Clean Build

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

  • [NET Core Web App - Process Time]()
  • [ADX - Test Multi Config Graph]()
| 4153.38 ms | 3847.45 ms | 0.93 | 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 'SDK ASP.NET Core Web App (Model-View-Controller) Template Clean Build*'
```

### SDK ASP.NET Core Web App (Model-View-Controller) Template Clean Build

#### 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)

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