[Perf] Linux/arm64: 2 Improvements on 2/16/2026 3:36:41 AM -08:00

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [253a5c5911d9447ac19864a215408440228da2ed](https://github.com/dotnet/runtime/commit/253a5c5911d9447ac19864a215408440228da2ed)
Compare | [bf624940f0e1796d78f1b1817ffd8842e66727a4](https://github.com/dotnet/runtime/commit/bf624940f0e1796d78f1b1817ffd8842e66727a4)
Diff | [Diff](https://github.com/dotnet/runtime/compare/253a5c5911d9447ac19864a215408440228da2ed...bf624940f0e1796d78f1b1817ffd8842e66727a4)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in System.Linq.Tests.Perf_ImmutableArrayExtensions

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

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

| 167.94 ns | 27.13 ns | 0.16 | 0.01 | False | | |
|

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

| 201.97 ns | 28.49 ns | 0.14 | 0.01 | 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Linq.Tests.Perf_ImmutableArrayExtensions*'
```

### System.Linq.Tests.Perf_ImmutableArrayExtensions.SequenceEqual(input: Array)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_ImmutableArrayExtensions.SequenceEqual(input: List)

#### 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)