[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 src/benchmarks/micro/libraries/System.Collections/CreateAddAndClear.cs at the linked benchmark lines, then reproduce it with scripts/benchmarks_ci.py using the provided filter. Compare the reported baseline and test results, and determine whether the measured improvement has an actionable runtime cause or should be triaged as an expected result.

Written by the indexing model from the issue text.