[Perf] Linux/x64: 5 Improvements on 1/21/2026 11:16:49 PM +00:00

Open

#68,087 opened on Jan 27, 2026 1 comment 0 reactions 0 assignees View on GitHub

arch-x64 branch-refs/heads/main kind-micro os-linux perf-improvement runtime-coreclr untriaged

Dominant language: No language data
Stars: 10
Forks: 8
PR merge metrics: PR metrics pending

Description

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [212076ab3e7e92b1d7701d9ab1a660700ee37b81](https://github.com/dotnet/runtime/commit/212076ab3e7e92b1d7701d9ab1a660700ee37b81)
Compare | [20078050f3314428d8ed376dc0085b35856b105a](https://github.com/dotnet/runtime/commit/20078050f3314428d8ed376dc0085b35856b105a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/212076ab3e7e92b1d7701d9ab1a660700ee37b81...20078050f3314428d8ed376dc0085b35856b105a)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in System.Buffers.Tests.ReadOnlySequenceTests<Byte>

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

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

| 21.25 ns | 13.78 ns | 0.65 | 0.07 | False | | |

![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.Buffers.Tests.ReadOnlySequenceTests*'
```

### System.Buffers.Tests.ReadOnlySequenceTests<Byte>.IterateGetPositionArray

#### 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

### Improvements in BenchmarksGame.BinaryTrees_5

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

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

| 122.83 ms | 107.14 ms | 0.87 | 0.32 | False | | |

![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 'BenchmarksGame.BinaryTrees_5*'
```

### BenchmarksGame.BinaryTrees_5.RunBench

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

---

### Run Information

### Improvements in System.Collections.Perf_SingleCharFrozenDictionary

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

[TryGetValue_False_FrozenDictionary - Duration of single invocation]()
[ADX - Test Multi Config Graph]()

| 446.56 ns | 283.15 ns | 0.63 | 0.25 | False | | |
|

[TryGetValue_False_FrozenDictionary - Duration of single invocation]()
[ADX - Test Multi Config Graph]()

| 42.08 ns | 29.73 ns | 0.71 | 0.19 | False | | |

![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.Perf_SingleCharFrozenDictionary*'
```

### System.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 100)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 10)

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

---

### Run Information

### Improvements in Microsoft.Extensions.DependencyInjection.ScopeValidation

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

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

| 11.69 ns | 10.36 ns | 0.89 | 0.11 | False | | |

![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 'Microsoft.Extensions.DependencyInjection.ScopeValidation*'
```

### Microsoft.Extensions.DependencyInjection.ScopeValidation.Transient

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

Contributor guide

No contributing guide indexed for this repository

Assessment

This issue has not been assessed yet.

[Perf] Linux/x64: 5 Improvements on 1/21/2026 11:16:49 PM +00:00

Description

Contributor guide

Assessment

Get new issues in your inbox