[Perf] Linux/x64: 2 Improvements on 4/2/2026 9:22:11 PM -07:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [bbb12bcd955a6d1070d70a374edf8d4a0482d4c3](https://github.com/dotnet/runtime/commit/bbb12bcd955a6d1070d70a374edf8d4a0482d4c3)
Compare | [9a4041e6e93abe56b6d4786bc73509fb60ef13ab](https://github.com/dotnet/runtime/commit/9a4041e6e93abe56b6d4786bc73509fb60ef13ab)
Diff | [Diff](https://github.com/dotnet/runtime/compare/bbb12bcd955a6d1070d70a374edf8d4a0482d4c3...9a4041e6e93abe56b6d4786bc73509fb60ef13ab)
Configs | CompilationMode:tiered, RunKind:micro

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

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

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

| 2.08 μs | 1.61 μs | 0.77 | 0.63 | False | | |
|

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

| 2.14 μs | 1.94 μs | 0.90 | 0.52 | 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.AddGivenSize*'
```

### System.Collections.AddGivenSize<String>.Stack(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.AddGivenSize<String>.Queue(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)