[Perf] Windows/x86: 3 Regressions on 7/3/2026 8:41:44 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [4895d1315f4855111e88c88c726c4f2aca4c6adf](https://github.com/dotnet/sdk/commit/4895d1315f4855111e88c88c726c4f2aca4c6adf)
Compare | [bcaa8d44d57494224d443dba7c1dfed381ad5528](https://github.com/dotnet/sdk/commit/bcaa8d44d57494224d443dba7c1dfed381ad5528)
Diff | [Diff](https://github.com/dotnet/sdk/compare/4895d1315f4855111e88c88c726c4f2aca4c6adf...bcaa8d44d57494224d443dba7c1dfed381ad5528)
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]()

| 2768.17 ms | 2924.55 ms | 1.06 | 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 | [4895d1315f4855111e88c88c726c4f2aca4c6adf](https://github.com/dotnet/sdk/commit/4895d1315f4855111e88c88c726c4f2aca4c6adf)
Compare | [bcaa8d44d57494224d443dba7c1dfed381ad5528](https://github.com/dotnet/sdk/commit/bcaa8d44d57494224d443dba7c1dfed381ad5528)
Diff | [Diff](https://github.com/dotnet/sdk/compare/4895d1315f4855111e88c88c726c4f2aca4c6adf...bcaa8d44d57494224d443dba7c1dfed381ad5528)
Configs | CompilationMode:tiered, RunKind:sdk_scenarios

### Regressions in SDK NUnit 3 Test Project Template Clean Build

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

• [SDK NUnit 3 Test Project Template Clean Build - Process Time]()
• [ADX - Test Multi Config Graph]()

| 2620.93 ms | 2723.82 ms | 1.04 | 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 NUnit 3 Test Project Template Clean Build*'
```

### SDK NUnit 3 Test Project 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 | [4895d1315f4855111e88c88c726c4f2aca4c6adf](https://github.com/dotnet/sdk/commit/4895d1315f4855111e88c88c726c4f2aca4c6adf)
Compare | [bcaa8d44d57494224d443dba7c1dfed381ad5528](https://github.com/dotnet/sdk/commit/bcaa8d44d57494224d443dba7c1dfed381ad5528)
Diff | [Diff](https://github.com/dotnet/sdk/compare/4895d1315f4855111e88c88c726c4f2aca4c6adf...bcaa8d44d57494224d443dba7c1dfed381ad5528)
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]()

| 458.78 ms | 495.08 ms | 1.08 | 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)

Start with the three linked benchmark reports and the dotnet/performance benchmarking workflow docs. Reproduce each case with scripts/benchmarks_ci.py using the supplied filters, then compare the baseline and test commits and inspect the reported performance data. Done means the regressions are explained and the affected benchmarks no longer show the regression.

Written by the indexing model from the issue text.