[Perf] Linux/x64: 2 Regressions on 5/5/2026 8:56:26 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [004c358f4376950ead5ef31b95bf4f91a725b42a](https://github.com/dotnet/runtime/commit/004c358f4376950ead5ef31b95bf4f91a725b42a)
Compare | [2e33a3e335d509dda962bf1ca463d6c970b7393b](https://github.com/dotnet/runtime/commit/2e33a3e335d509dda962bf1ca463d6c970b7393b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/004c358f4376950ead5ef31b95bf4f91a725b42a...2e33a3e335d509dda962bf1ca463d6c970b7393b)
Configs | CompilationMode:wasm, RunKind:micro

### Regressions in System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives<Int32>

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

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

| 492.79 ns | 607.40 ns | 1.23 | 0.13 | 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_NumberTensorPrimitives*'
```

### System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives<Int32>.Divide_Vector(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)

---

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [004c358f4376950ead5ef31b95bf4f91a725b42a](https://github.com/dotnet/runtime/commit/004c358f4376950ead5ef31b95bf4f91a725b42a)
Compare | [2e33a3e335d509dda962bf1ca463d6c970b7393b](https://github.com/dotnet/runtime/commit/2e33a3e335d509dda962bf1ca463d6c970b7393b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/004c358f4376950ead5ef31b95bf4f91a725b42a...2e33a3e335d509dda962bf1ca463d6c970b7393b)
Configs | CompilationMode:wasm, RunKind:micro

### Regressions in System.Collections.Sort<BigStruct>

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

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

| 25.65 μs | 30.76 μs | 1.20 | 0.12 | 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.Collections.Sort*'
```

### System.Collections.Sort<BigStruct>.Array(Size: 512)

#### 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)