[Perf] Linux/x64: 1 Improvement on 6/19/2026 7:59:52 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [12d93fcc856b45da44db2a2f0c8ad247bb6a551c](https://github.com/dotnet/runtime/commit/12d93fcc856b45da44db2a2f0c8ad247bb6a551c)
Compare | [95aa263d8387779ef28b1ac89fe186d523bb6c0b](https://github.com/dotnet/runtime/commit/95aa263d8387779ef28b1ac89fe186d523bb6c0b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/12d93fcc856b45da44db2a2f0c8ad247bb6a551c...95aa263d8387779ef28b1ac89fe186d523bb6c0b)
Configs | CompilationMode:wasm, RunKind:micro, RuntimeType:coreclr

### Improvements in System.Collections.CreateAddAndClear<String>

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

• [SortedList - Duration of single invocation]()
• 📝 - [Benchmark Source]()
• [ADX - Test Multi Config 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.Collections.CreateAddAndClear*'
```

### System.Collections.CreateAddAndClear<String>.SortedList(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)

Start with the benchmark source at src/benchmarks/micro/libraries/System.Collections/CreateAddAndClear.cs#L132-L142 and the benchmarking workflow linked in the issue. Run the provided benchmarks_ci.py command, then compare the reported baseline and test results with the linked report. Done means the performance finding has been reproduced and its investigation outcome recorded.

Written by the indexing model from the issue text.