[Perf] Linux/x64: 4 Improvements on 2/11/2026 6:41:41 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [848b99baf610b7a2985529fa63bedb394e4b86a1](https://github.com/dotnet/runtime/commit/848b99baf610b7a2985529fa63bedb394e4b86a1)
Compare | [56a1b4dc67607eb6f15388c4acfa01a61aca4d03](https://github.com/dotnet/runtime/commit/56a1b4dc67607eb6f15388c4acfa01a61aca4d03)
Diff | [Diff](https://github.com/dotnet/runtime/compare/848b99baf610b7a2985529fa63bedb394e4b86a1...56a1b4dc67607eb6f15388c4acfa01a61aca4d03)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in System.Text.Json.Tests.Perf_Get

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

• [GetUInt16 - Duration of single invocation]()
• 📝 - [Benchmark Source]()
• [ADX - Test Multi Config Graph]()

| 278.98 ns | 264.72 ns | 0.95 | 0.03 | False | | |
|

• [GetInt64 - Duration of single invocation]()
• 📝 - [Benchmark Source]()
• [ADX - Test Multi Config Graph]()

| 263.32 ns | 238.24 ns | 0.90 | 0.34 | False | | |
|

• [GetUInt64 - Duration of single invocation]()
• 📝 - [Benchmark Source]()
• [ADX - Test Multi Config Graph]()

| 237.20 ns | 211.38 ns | 0.89 | 0.01 | False | | |
|

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

| 360.58 ns | 332.55 ns | 0.92 | 0.01 | False | | |

![graph]()
![graph]()
![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.Text.Json.Tests.Perf_Get*'
```

### System.Text.Json.Tests.Perf_Get.GetUInt16

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Tests.Perf_Get.GetInt64

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Tests.Perf_Get.GetUInt64

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Tests.Perf_Get.GetSByte

#### 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)