[Perf] Linux/x64: 2 Regressions on 5/25/2026 5:55:24 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [7da2acb927da6ac7ad636043d6e0362fed3dfde9](https://github.com/dotnet/runtime/commit/7da2acb927da6ac7ad636043d6e0362fed3dfde9)
Compare | [95d9e0328152b0d1dc5842790f773efa2242d15d](https://github.com/dotnet/runtime/commit/95d9e0328152b0d1dc5842790f773efa2242d15d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7da2acb927da6ac7ad636043d6e0362fed3dfde9...95d9e0328152b0d1dc5842790f773efa2242d15d)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro

### Regressions in System.Numerics.Tests.Perf_Matrix4x4

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

• [CreateFromAxisAngleBenchmark - Duration of single invocation]()
• 📝 - [Benchmark Source]()
• [ADX - Test Multi Config Graph]()

| 6.71 ns | 175.00 ns | 26.07 | 0.49 | False | | |

![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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tests.Perf_Matrix4x4*'
```

### System.Numerics.Tests.Perf_Matrix4x4.CreateFromAxisAngleBenchmark

#### 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 | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [7da2acb927da6ac7ad636043d6e0362fed3dfde9](https://github.com/dotnet/runtime/commit/7da2acb927da6ac7ad636043d6e0362fed3dfde9)
Compare | [95d9e0328152b0d1dc5842790f773efa2242d15d](https://github.com/dotnet/runtime/commit/95d9e0328152b0d1dc5842790f773efa2242d15d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7da2acb927da6ac7ad636043d6e0362fed3dfde9...95d9e0328152b0d1dc5842790f773efa2242d15d)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro

### Regressions in System.Runtime.Intrinsics.Tests.Perf_Vector128Of<Single>

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

• [ConditionalSelectBenchmark - Duration of single invocation]()
• 📝 - [Benchmark Source]()
• [ADX - Test Multi Config Graph]()

| 2.99 ns | 175.00 ns | 58.51 | 0.47 | False | | |

![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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Runtime.Intrinsics.Tests.Perf_Vector128Of*'
```

### System.Runtime.Intrinsics.Tests.Perf_Vector128Of<Single>.ConditionalSelectBenchmark

#### 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)