dotnet / dotnet/perf-autofiling-issues

[Perf] Windows/x86: 2 Improvements on 6/13/2026 1:50:09 PM +00:00

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arch-x86 branch-refs/heads/main compilationmode-tiered kind-micro Noise os-windows perf-improvement runkind-micro runtime-coreclr untriaged
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Description

### Run Information

Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [1f254ec3b14c88b71efc7324b3d001f1fb056ecb](https://github.com/dotnet/runtime/commit/1f254ec3b14c88b71efc7324b3d001f1fb056ecb)
Compare | [9405cacd3a6016d414a20beb8aba2e4d65b346d9](https://github.com/dotnet/runtime/commit/9405cacd3a6016d414a20beb8aba2e4d65b346d9)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1f254ec3b14c88b71efc7324b3d001f1fb056ecb...9405cacd3a6016d414a20beb8aba2e4d65b346d9)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives<Double>

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

  • [MaxMagnitude_Vector - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 32.75 ns | 26.03 ns | 0.79 | 0.49 | False | | |
|
  • [AddMultiply_ScalarMultiplier - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 33.43 ns | 26.74 ns | 0.80 | 0.58 | False | | |

![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 'System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives*'
```

### System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives<Double>.MaxMagnitude_Vector(BufferLength: 128)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives<Double>.AddMultiply_ScalarMultiplier(BufferLength: 128)

#### 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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