[Perf] Windows/x86: 2 Improvements on 3/2/2026 8:03:37 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [f1b1b935ee5bafd149ae08e4db302f3651e47589](https://github.com/dotnet/runtime/commit/f1b1b935ee5bafd149ae08e4db302f3651e47589)
Compare | [64d10ef18938ee47fc97a06a649a9844de49a365](https://github.com/dotnet/runtime/commit/64d10ef18938ee47fc97a06a649a9844de49a365)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f1b1b935ee5bafd149ae08e4db302f3651e47589...64d10ef18938ee47fc97a06a649a9844de49a365)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in System.Collections.CreateAddAndClear<Int32>

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

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

| 1.47 μs | 1.12 μs | 0.76 | 0.36 | False | | |
|

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

| 38.81 μs | 19.28 μs | 0.50 | 0.21 | False | | |

[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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.CreateAddAndClear*'
```

### System.Collections.CreateAddAndClear<Int32>.ICollection(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.CreateAddAndClear<Int32>.SortedDictionary(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)