[Perf] Linux/arm64: 1 Regression on 2/24/2026 4:19:41 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [202f33c8bbb326624532266e88cf492e638811ce](https://github.com/dotnet/runtime/commit/202f33c8bbb326624532266e88cf492e638811ce)
Compare | [1c7e3957fef1d81b195b4b824f6c373460d84042](https://github.com/dotnet/runtime/commit/1c7e3957fef1d81b195b4b824f6c373460d84042)
Diff | [Diff](https://github.com/dotnet/runtime/compare/202f33c8bbb326624532266e88cf492e638811ce...1c7e3957fef1d81b195b4b824f6c373460d84042)
Configs | CompilationMode:tiered, RunKind:micro

### Regressions in ArrayDeAbstraction

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

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

| 181.35 ns | 191.82 ns | 1.06 | 0.00 | 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 'ArrayDeAbstraction*'
```

### ArrayDeAbstraction.sum_static_array_via_local

#### 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)