[Perf] Linux/x64: 2 Improvements on 3/26/2026 6:34:17 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [c35e784fdadd18732ccf922bf63bb721534043de](https://github.com/dotnet/runtime/commit/c35e784fdadd18732ccf922bf63bb721534043de)
Compare | [67495bce3f413302a4f47820c03d81b67897da7c](https://github.com/dotnet/runtime/commit/67495bce3f413302a4f47820c03d81b67897da7c)
Diff | [Diff](https://github.com/dotnet/runtime/compare/c35e784fdadd18732ccf922bf63bb721534043de...67495bce3f413302a4f47820c03d81b67897da7c)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro

### Improvements in System.Tests.Perf_Byte

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

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

| 37.28 ns | 33.15 ns | 0.89 | 0.26 | 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.Tests.Perf_Byte*'
```

### System.Tests.Perf_Byte.ToString(value: 255)

#### 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)

---

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [c35e784fdadd18732ccf922bf63bb721534043de](https://github.com/dotnet/runtime/commit/c35e784fdadd18732ccf922bf63bb721534043de)
Compare | [67495bce3f413302a4f47820c03d81b67897da7c](https://github.com/dotnet/runtime/commit/67495bce3f413302a4f47820c03d81b67897da7c)
Diff | [Diff](https://github.com/dotnet/runtime/compare/c35e784fdadd18732ccf922bf63bb721534043de...67495bce3f413302a4f47820c03d81b67897da7c)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro

### Improvements in System.Tests.Perf_String

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

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

| 53.12 ns | 45.54 ns | 0.86 | 0.23 | 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.Tests.Perf_String*'
```

### System.Tests.Perf_String.Trim_CharArr(s: " Te st ", c: [' ', ' '])

#### 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)