[Perf] Linux/x64: 4 Improvements on 8/11/2026 11:24:58 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [6597edb0936de18005623b1a17adf29880df60e6](https://github.com/dotnet/runtime/commit/6597edb0936de18005623b1a17adf29880df60e6)
Compare | [19a2d977ed14ff9ab7417519f0257b3b296a82f4](https://github.com/dotnet/runtime/commit/19a2d977ed14ff9ab7417519f0257b3b296a82f4)
Diff | [Diff](https://github.com/dotnet/runtime/compare/6597edb0936de18005623b1a17adf29880df60e6...19a2d977ed14ff9ab7417519f0257b3b296a82f4)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro

### Improvements in System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives<Byte>

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

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

| 227.76 μs | 21.04 μs | 0.09 | 0.14 | False | | |
|

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

| 8543.34 ns | 902.22 ns | 0.11 | 0.19 | False | | |
|

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

| 797.91 ns | 93.14 ns | 0.12 | 0.15 | False | | |
|

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

| 18.98 μs | 3.08 μs | 0.16 | 0.38 | False | | |

![graph]()
![graph]()
![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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives*'
```

### System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives<Byte>.LeadingZeroCount(BufferLength: 3079)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives<Byte>.LeadingZeroCount(BufferLength: 128)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives<Byte>.PopCount(BufferLength: 128)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives<Byte>.PopCount(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)

The report points to performance/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_BinaryIntegerTensorPrimitives.cs#L31-L32; start by running the provided benchmarks_ci.py command and reviewing the linked baseline and comparison reports. The issue contains no requested code change or completion criterion, so triage must first establish what should be changed.

Written by the indexing model from the issue text.