[Perf] Linux/x64: 1 Regression on 3/11/2026 12:07:38 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [59dc3d0d83bda4f6f58f18a55554a5995b1a8707](https://github.com/dotnet/runtime/commit/59dc3d0d83bda4f6f58f18a55554a5995b1a8707)
Compare | [f827a66004ad7a5abd0882b0b3c374e9d9f04fc1](https://github.com/dotnet/runtime/commit/f827a66004ad7a5abd0882b0b3c374e9d9f04fc1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/59dc3d0d83bda4f6f58f18a55554a5995b1a8707...f827a66004ad7a5abd0882b0b3c374e9d9f04fc1)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro

### Regressions in System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Single>

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

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

| 257.51 μs | 296.22 μs | 1.15 | 0.28 | 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.Tensors.Tests.Perf_FloatingPointTensorPrimitives*'
```

### System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Single>.AtanPi(BufferLength: 3079)

#### 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)