[Perf] Linux/x64: 3 Improvements on 5/29/2025 3:31:50 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [0c884247659bf8728f2e4c42c5e5c936f42ebe6c](https://github.com/dotnet/runtime/commit/0c884247659bf8728f2e4c42c5e5c936f42ebe6c)
Compare | [4252c8d09b2ec537928f34dad269f02f167c8ce5](https://github.com/dotnet/runtime/commit/4252c8d09b2ec537928f34dad269f02f167c8ce5)
Diff | [Diff](https://github.com/dotnet/runtime/compare/0c884247659bf8728f2e4c42c5e5c936f42ebe6c...4252c8d09b2ec537928f34dad269f02f167c8ce5)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Formats.Tar.Tests.Perf_TarWriter

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[PaxTarEntry_WriteEntry - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Formats.Tar.Tests.Perf_TarWriter.PaxTarEntry_WriteEntry.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Formats.Tar/Perf.Tar.cs#L77-#L83>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.43 μs | 1.31 μs | 0.92 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Formats.Tar.Tests.Perf_TarWriter_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Formats.Tar.Tests.Perf_TarWriter.html>)

### 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.Formats.Tar.Tests.Perf_TarWriter*'
```

<details>

### System.Formats.Tar.Tests.Perf_TarWriter.PaxTarEntry_WriteEntry

#### 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)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [0c884247659bf8728f2e4c42c5e5c936f42ebe6c](https://github.com/dotnet/runtime/commit/0c884247659bf8728f2e4c42c5e5c936f42ebe6c)
Compare | [4252c8d09b2ec537928f34dad269f02f167c8ce5](https://github.com/dotnet/runtime/commit/4252c8d09b2ec537928f34dad269f02f167c8ce5)
Diff | [Diff](https://github.com/dotnet/runtime/compare/0c884247659bf8728f2e4c42c5e5c936f42ebe6c...4252c8d09b2ec537928f34dad269f02f167c8ce5)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[OnesComplement - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives(Int32).OnesComplement(BufferLength%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_BinaryIntegerTensorPrimitives.cs#L34-#L35>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 10.92 ns | 9.47 ns | 0.87 | 0.14 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives%28Int32%29.html>)

### 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.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives&lt;Int32&gt;*'
```

<details>

### System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives&lt;Int32&gt;.OnesComplement(BufferLength: 128)

#### 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)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [0c884247659bf8728f2e4c42c5e5c936f42ebe6c](https://github.com/dotnet/runtime/commit/0c884247659bf8728f2e4c42c5e5c936f42ebe6c)
Compare | [4252c8d09b2ec537928f34dad269f02f167c8ce5](https://github.com/dotnet/runtime/commit/4252c8d09b2ec537928f34dad269f02f167c8ce5)
Diff | [Diff](https://github.com/dotnet/runtime/compare/0c884247659bf8728f2e4c42c5e5c936f42ebe6c...4252c8d09b2ec537928f34dad269f02f167c8ce5)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.ContainsKeyFalse&lt;String, String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Dictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.ContainsKeyFalse(String%2c%20String).Dictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsKeyFalse.cs#L52-#L61>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.21 μs | 5.86 μs | 0.81 | 0.07 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.ContainsKeyFalse%28String%2C%20String%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.ContainsKeyFalse%28String%2C%20String%29.html>)

### 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.ContainsKeyFalse&lt;String, String&gt;*'
```

<details>

### System.Collections.ContainsKeyFalse&lt;String, String&gt;.Dictionary(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)

</details>

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Uh oh!

[Perf] Linux/x64: 3 Improvements on 5/29/2025 3:31:50 AM +00:00 #56585

Run Information

Improvements in System.Formats.Tar.Tests.Perf_TarWriter

Repro

System.Formats.Tar.Tests.Perf_TarWriter.PaxTarEntry_WriteEntry

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives<Int32>

Repro

System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives<Int32>.OnesComplement(BufferLength: 128)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.ContainsKeyFalse<String, String>

Repro

System.Collections.ContainsKeyFalse<String, String>.Dictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	TigerUbuntu
Baseline	0c884247659bf8728f2e4c42c5e5c936f42ebe6c
Compare	4252c8d09b2ec537928f34dad269f02f167c8ce5
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

[Perf] Linux/x64: 3 Improvements on 5/29/2025 3:31:50 AM +00:00 #56585

Description

Run Information

Improvements in System.Formats.Tar.Tests.Perf_TarWriter

Repro

System.Formats.Tar.Tests.Perf_TarWriter.PaxTarEntry_WriteEntry

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives<Int32>

Repro

System.Numerics.Tensors.Tests.Perf_BinaryIntegerTensorPrimitives<Int32>.OnesComplement(BufferLength: 128)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.ContainsKeyFalse<String, String>

Repro

System.Collections.ContainsKeyFalse<String, String>.Dictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions