[Perf] Linux/x64: 113 Improvements on 6/3/2025 10:54:35 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [6ab0311319cc7c975ac7ed1b84df809e881dfb13](https://github.com/dotnet/runtime/commit/6ab0311319cc7c975ac7ed1b84df809e881dfb13)
Compare | [f34ec2bc4c3a16b647fd4fc0016aca4f62479e5a](https://github.com/dotnet/runtime/commit/f34ec2bc4c3a16b647fd4fc0016aca4f62479e5a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/6ab0311319cc7c975ac7ed1b84df809e881dfb13...f34ec2bc4c3a16b647fd4fc0016aca4f62479e5a)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.CtorFromCollection&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ImmutableList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.CtorFromCollection(Int32).ImmutableList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Create/CtorFromCollection.cs#L89-#L90>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.96 μs | 5.01 μs | 0.84 | 0.26 | False | | |
|<ul><li>[SortedDictionaryDeepCopy - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.CtorFromCollection(Int32).SortedDictionaryDeepCopy(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Create/CtorFromCollection.cs#L65-#L66>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.90 μs | 5.17 μs | 0.88 | 0.23 | False | | |
|<ul><li>[ImmutableQueue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.CtorFromCollection(Int32).ImmutableQueue(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Create/CtorFromCollection.cs#L92-#L93>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.34 μs | 2.77 μs | 0.83 | 0.33 | False | | |
|<ul><li>[ConcurrentStack - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.CtorFromCollection(Int32).ConcurrentStack(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Create/CtorFromCollection.cs#L74-#L75>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1STY/TMBC9V+p/GHpxKrJN+ikIGAFl+RDay7aCs0kmjcGxK3vCtrD8d8ZNKiQuY2X85vm9NzFIQBgIJLwWu3MgbGdbZwyWpJ0Nsy05/9679l/v5SdLy8UrRtmy8x4t7UiVP5Kd/oUFrOeLqXgxHhnmVTWhZ+JKEZJuMVnki/VNvrqZ5/v8ebFeFevN7NlmtVnOl0/zvMjz6TDp8eh4UFSOLFLmOxvnr7zfvLJlE+891iFrUFUha5W2V0DpbK0P8eWzVa0uk99i69qjNioauHMVigIEafRYiRTEfWc/a1vFJqO9E3+ikA9IH3Vg/7pU5p0i9VVTE3mU14GzSWJuMpa0tyovNb2ol7Gkg1TZH+kgTPbHdDx6hKN33zlX2KHXGFJ422lT7dksh9oeU/iiTIdyz49sHaeA/h5DZ+jNT/TqgONRlj3CQ8NGBgZ4wuTEWQSYTMjdnkrTVTiZQJbB7YkpDYKrodaGubQ9gOt4URAuw1EQL7TircW8y0Z5ggd2DUkPkFeZp9KZrrXyf7nnvh/kRTfjSJNBKTg+5KTPw+cdqtB5bPnnEdO/GSCIyYMCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 3.37 μs | 2.81 μs | 0.83 | 0.28 | False | | |
|<ul><li>[SortedDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.CtorFromCollection(Int32).SortedDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Create/CtorFromCollection.cs#L62-#L63>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 16.39 μs | 15.01 μs | 0.92 | 0.28 | False | | |
|<ul><li>[ImmutableStack - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.CtorFromCollection(Int32).ImmutableStack(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Create/CtorFromCollection.cs#L95-#L96>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.34 μs | 2.78 μs | 0.83 | 0.31 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Collections.CtorFromCollection%28Int32%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Collections.CtorFromCollection%28Int32%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Collections.CtorFromCollection%28Int32%29_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Collections.CtorFromCollection%28Int32%29_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Collections.CtorFromCollection%28Int32%29_005.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Collections.CtorFromCollection%28Int32%29_006.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Collections.CtorFromCollection%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.Collections.CtorFromCollection&lt;Int32&gt;*'
```

<details>

### System.Collections.CtorFromCollection&lt;Int32&gt;.ImmutableList(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.CtorFromCollection&lt;Int32&gt;.SortedDictionaryDeepCopy(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.CtorFromCollection&lt;Int32&gt;.ImmutableQueue(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.CtorFromCollection&lt;Int32&gt;.ConcurrentStack(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.CtorFromCollection&lt;Int32&gt;.SortedDictionary(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.CtorFromCollection&lt;Int32&gt;.ImmutableStack(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>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [6ab0311319cc7c975ac7ed1b84df809e881dfb13](https://github.com/dotnet/runtime/commit/6ab0311319cc7c975ac7ed1b84df809e881dfb13)
Compare | [f34ec2bc4c3a16b647fd4fc0016aca4f62479e5a](https://github.com/dotnet/runtime/commit/f34ec2bc4c3a16b647fd4fc0016aca4f62479e5a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/6ab0311319cc7c975ac7ed1b84df809e881dfb13...f34ec2bc4c3a16b647fd4fc0016aca4f62479e5a)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Xml.Linq.Perf_XElement

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[CreateWithElements - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Xml.Linq.Perf_XElement.CreateWithElements.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Xml.Linq/Perf.XElement.cs#L21-#L36>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 33.40 ns | 31.24 ns | 0.94 | 0.20 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Xml.Linq.Perf_XElement_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Xml.Linq.Perf_XElement.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.Xml.Linq.Perf_XElement*'
```

<details>

### System.Xml.Linq.Perf_XElement.CreateWithElements

#### 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 | ViperUbuntu
Baseline | [6ab0311319cc7c975ac7ed1b84df809e881dfb13](https://github.com/dotnet/runtime/commit/6ab0311319cc7c975ac7ed1b84df809e881dfb13)
Compare | [f34ec2bc4c3a16b647fd4fc0016aca4f62479e5a](https://github.com/dotnet/runtime/commit/f34ec2bc4c3a16b647fd4fc0016aca4f62479e5a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/6ab0311319cc7c975ac7ed1b84df809e881dfb13...f34ec2bc4c3a16b647fd4fc0016aca4f62479e5a)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Threading.Tests.Perf_CancellationToken

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[CreateRegisterDispose - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Threading.Tests.Perf_CancellationToken.CreateRegisterDispose.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Threading/Perf.CancellationToken.cs#L60-#L65>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 43.72 ns | 40.30 ns | 0.92 | 0.08 | False | | |
|<ul><li>[CreateLinkedTokenSource2 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Threading.Tests.Perf_CancellationToken.CreateLinkedTokenSource2.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Threading/Perf.CancellationToken.cs#L35-#L37>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 46.53 ns | 41.13 ns | 0.88 | 0.02 | False | | |
|<ul><li>[CreateManyRegisterMultipleDispose - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Threading.Tests.Perf_CancellationToken.CreateManyRegisterMultipleDispose.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Threading/Perf.CancellationToken.cs#L78-#L98>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 103.04 ns | 92.51 ns | 0.90 | 0.03 | False | | |
|<ul><li>[CreateLinkedTokenSource3 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Threading.Tests.Perf_CancellationToken.CreateLinkedTokenSource3.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Threading/Perf.CancellationToken.cs#L39-#L41>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 77.66 ns | 69.72 ns | 0.90 | 0.02 | False | | |
|<ul><li>[CreateLinkedTokenSource1 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Threading.Tests.Perf_CancellationToken.CreateLinkedTokenSource1.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Threading/Perf.CancellationToken.cs#L31-#L33>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 31.34 ns | 26.90 ns | 0.86 | 0.03 | False | | |
|<ul><li>[Cancel - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Threading.Tests.Perf_CancellationToken.Cancel.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Threading/Perf.CancellationToken.cs#L23-#L29>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 50.37 ns | 45.62 ns | 0.91 | 0.19 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Threading.Tests.Perf_CancellationToken_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Threading.Tests.Perf_CancellationToken_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Threading.Tests.Perf_CancellationToken_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Threading.Tests.Perf_CancellationToken_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Threading.Tests.Perf_CancellationToken_005.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Threading.Tests.Perf_CancellationToken_006.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Threading.Tests.Perf_CancellationToken.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.Threading.Tests.Perf_CancellationToken*'
```

<details>

### System.Threading.Tests.Perf_CancellationToken.CreateRegisterDispose

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Threading.Tests.Perf_CancellationToken.CreateLinkedTokenSource2

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Threading.Tests.Perf_CancellationToken.CreateManyRegisterMultipleDispose

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Threading.Tests.Perf_CancellationToken.CreateLinkedTokenSource3

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Threading.Tests.Perf_CancellationToken.CreateLinkedTokenSource1

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Threading.Tests.Perf_CancellationToken.Cancel

#### 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 | ViperUbuntu
Baseline | [6ab0311319cc7c975ac7ed1b84df809e881dfb13](https://github.com/dotnet/runtime/commit/6ab0311319cc7c975ac7ed1b84df809e881dfb13)
Compare | [f34ec2bc4c3a16b647fd4fc0016aca4f62479e5a](https://github.com/dotnet/runtime/commit/f34ec2bc4c3a16b647fd4fc0016aca4f62479e5a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/6ab0311319cc7c975ac7ed1b84df809e881dfb13...f34ec2bc4c3a16b647fd4fc0016aca4f62479e5a)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Linq.Tests.Perf_Enumerable

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Average - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.Average(input%3a%20IEnumerable).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L331-#L333>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RXW/bMAx8D5D/wOZFDurabvq1eBCwrQu2YSswNMH2OKg2HWuQJU+i2gRr//uk2MGAvpASxTsdjwoJCB0Bh3dsvXeEXfZN6j/ZJhRd9h1t82ulfYdWPCjM3j+GwxYTqXtPJXz5/zRnb6cTFdhEQ2gDXS0ISXaYLIrF1VlxeXZebIplebUsz2+yi8vFzfXyzWlRlEUxH5EWexOArDakkXLrdcQfeR+s0FUb3y02Lm9R1C7vhNTHhsroRm7jz3stOlklf9mt6XqpBEmj70yNrARGEi3WLAV27/VXqetYDN3WsJco5BPSZ+nIWFkJ9VGQ+CmpjTzCSme0S6JbPIZ0GJUfYnpQz2NIR6l8SOkojA9pPp08Q2/Nb6wI1mgluhQ+eKnqTRh2TaLrU/ghlEceV3Brggto79F5RaP700meP8NTGwYZGeAkkFPwwsFsRma1q5SvcTaDPIfVLlAqBNNAI1XgknoLxodFgTuAoyCLug5bi35XrbAET2FqSIYGfpS5q4zyneav5e6HuuMH3aGPJCnkLNiHwen9eL1D4bzFDjWx+T8oOD/neQIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 103.73 ns | 96.97 ns | 0.93 | 0.06 | False | | |
|<ul><li>[WhereAny_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input%3a%20Array).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L106-#L108>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 45.42 ns | 38.39 ns | 0.85 | 0.02 | False | | |
|<ul><li>[AppendPrepend - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.AppendPrepend(input%3a%20IEnumerable).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L449-#L468>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RYWvbMBD9Hsh/uOWLHObGbtdQmiFY14VtbIXShO3jUO1zrCFLnnRqE9b9951ih8FA3KHTu6d37wwSEAYCCe/E5hAIu8VXbX8ttlwMi3v0zY+1jR169WhwcdP3aOt7jyll2vaRVvD5H2Au3k4nhjlVQ+iZtFaEpDvMLsqL5Vl5eXZebsvr1fJ69eZqcXm15HP+uixXZTkfO5nbcaOoHVmkwkeb+k+8j17Zqk3vHptQtKjqUHRK2xOgcrbRu/TzwapOV9lvceu6XhtF2tk7V6NYgSCNHmuRg3iI9ou2dSoy2jvxJwn5iPRJB3JeV8p8UKS+a2oTj/I6OBuy5JlMIR9GlceYH9XLFPJRqhxSPgqTQ5pPJy/Qe/cTK4INeo0hh/dRm3rLw25IdX0O35SJKNMibh27gP4BQzR088Re73A6KYoXeG55kJEBXjE5sRcBZjNy631lYo2zGRQFrPdMaRBcA402zKXtDlzkRUE4NidBnpfKW0t+V63yBM88NWQDQJ5k7itnYmfl/3IPQz3Io27GkSaDUrB9yE4fxusdqhA9dmhJzP8CDzq5fH8CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 2.73 μs | 2.31 μs | 0.84 | 0.19 | False | | |
|<ul><li>[Prepend - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.Prepend(input%3a%20IEnumerable).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L437-#L447>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.62 μs | 2.16 μs | 0.83 | 0.21 | False | | |
|<ul><li>[ToList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.ToList(input%3a%20ICollection).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L257-#L259>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 28.86 ns | 26.00 ns | 0.90 | 0.08 | False | | |
|<ul><li>[SelectToList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.SelectToList(input%3a%20Range).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L262-#L264>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 65.90 ns | 61.07 ns | 0.93 | 0.04 | False | | |
|<ul><li>[WhereAny_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input%3a%20List).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L106-#L108>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 47.40 ns | 41.08 ns | 0.87 | 0.03 | False | | |
|<ul><li>[Count - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.Count(input%3a%20ICollection).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L344-#L346>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.63 ns | 0.52 ns | 0.32 | 0.09 | False | | |
|<ul><li>[WhereLast_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereLast_LastElementMatches(input%3a%20List).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L66-#L68>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 18.19 ns | 11.99 ns | 0.66 | 0.20 | False | | |
|<ul><li>[ElementAt - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.ElementAt(input%3a%20IEnumerable).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L375-#L377>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 37.83 ns | 28.97 ns | 0.77 | 0.25 | False | | |
|<ul><li>[LastWithPredicate_FirstElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.LastWithPredicate_FirstElementMatches(input%3a%20IList).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L95-#L97>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.52 ns | 2.05 ns | 0.58 | 0.10 | False | | |
|<ul><li>[WhereFirst_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereFirst_LastElementMatches(input%3a%20Array).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L60-#L62>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 44.75 ns | 38.17 ns | 0.85 | 0.02 | False | | |
|<ul><li>[SequenceEqual - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.SequenceEqual(input1%3a%20Array%2c%20input2%3a%20Array).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L416-#L419>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 10.23 ns | 2.83 ns | 0.28 | 0.05 | False | | |
|<ul><li>[Append - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.Append(input%3a%20IEnumerable).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L423-#L433>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.72 μs | 2.31 μs | 0.85 | 0.22 | False | | |
|<ul><li>[EmptyTakeSelectToArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.EmptyTakeSelectToArray.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L406-#L407>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.28 ns | 3.20 ns | 0.44 | 0.24 | False | | |
|<ul><li>[WhereLast_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.WhereLast_LastElementMatches(input%3a%20Array).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L66-#L68>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1SwW7bMAy9B8g/cLkowVzb6WpgyyBgXReswBpgaIL1WKg2HWuQJU+i1hhr/72S7Vx2ISGKfHp8TwoJCB0Bhy9s3zvCNr2T+k96CEWX/kRbP261b9GKJ4XpQ4MW74Sjxxi2ClvUtBNUNuiWUneeNnBtrehX7PN8pgK4qAltQK8EIckWl5f5ZXGRX12s88M63+TrzdXHtCg+5cWH4n0eCvlqmrTYmTDIKkMaKbNex/kz7pMVumzivcXaZQ2KymWtkPrcUBpdy2N8udeileXyH7sxbSeVIGn0zlTINsBIhoUqlgC79/qH1FUshm5r2Gsk8h3pVjoyVpZCfRMkHiQ1EUdY6Yx2yygejyEZV+VDTAb2PIZkosrHlEzE+JhW89kLdNb8xpJgj1aiS+Crl6o6hGX3JNougV9CeeTRkRsTVEB7j84ruv4bXDnifJZlL/AcnZkQ4F0Ap6CFg8WCzPZUKl/hYgFZBttTgFQIpoZaqoAl9RGMD0aBG4YjIYu6Cq5FvctGWILnsDUsxwZ+pnkqjfKt5v/T7ce64wPv0EeSFHIW5MOgdD8ddyict8MPYqs3tVlVy4gCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 15.84 ns | 11.04 ns | 0.70 | 0.24 | False | | |
|<ul><li>[SelectToArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Linq.Tests.Perf_Enumerable.SelectToArray(input%3a%20Range).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L250-#L252>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 85.16 ns | 55.35 ns | 0.65 | 0.09 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Linq.Tests.Perf_Enumerable_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Linq.Tests.Perf_Enumerable_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Linq.Tests.Perf_Enumerable_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Linq.Tests.Perf_Enumerable_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Linq.Tests.Perf_Enumerable_005.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Linq.Tests.Perf_Enumerable_006.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Linq.Tests.Perf_Enumerable_007.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Linq.Tests.Perf_Enumerable_008.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Linq.Tests.Perf_Enumerable_009.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Linq.Tests.Perf_Enumerable_010.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Linq.Tests.Perf_Enumerable_011.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Linq.Tests.Perf_Enumerable_012.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Linq.Tests.Perf_Enumerable_013.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Linq.Tests.Perf_Enumerable_014.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Linq.Tests.Perf_Enumerable_015.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Linq.Tests.Perf_Enumerable_016.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Linq.Tests.Perf_Enumerable_017.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Linq.Tests.Perf_Enumerable.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.Linq.Tests.Perf_Enumerable*'
```

<details>

### System.Linq.Tests.Perf_Enumerable.Average(input: IEnumerable)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input: Array)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.AppendPrepend(input: IEnumerable)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.Prepend(input: IEnumerable)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.ToList(input: ICollection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.SelectToList(input: Range)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input: List)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.Count(input: ICollection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.WhereLast_LastElementMatches(input: List)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.ElementAt(input: IEnumerable)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.LastWithPredicate_FirstElementMatches(input: IList)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.WhereFirst_LastElementMatches(input: Array)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.SequenceEqual(input1: Array, input2: Array)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.Append(input: IEnumerable)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.EmptyTakeSelectToArray

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.WhereLast_LastElementMatches(input: Array)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.SelectToArray(input: Range)

#### 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 | ViperUbuntu
Baseline | [6ab0311319cc7c975ac7ed1b84df809e881dfb13](https://github.com/dotnet/runtime/commit/6ab0311319cc7c975ac7ed1b84df809e881dfb13)
Compare | [f34ec2bc4c3a16b647fd4fc0016aca4f62479e5a](https://github.com/dotnet/runtime/commit/f34ec2bc4c3a16b647fd4fc0016aca4f62479e5a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/6ab0311319cc7c975ac7ed1b84df809e881dfb13...f34ec2bc4c3a16b647fd4fc0016aca4f62479e5a)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in PerfLabTests.LowLevelPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[NewDelegateClassEmptyInstanceFn - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/PerfLabTests.LowLevelPerf.NewDelegateClassEmptyInstanceFn.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/LowLevelPerf.cs#L245-#L253>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RwW7bMAy9B8g/cLkowdzY9ZZtyCBgW5qtxdJiaIPtrNp0rEGWDIluErT991Gx28MuJPREPj4+GiQgDAQSvohf6KuNut/yO8w3br/BBzQRnN/g/gIN7hThyqgQ1k1LxysbSNkCv1vxeTwyzKQqQs9UJdeRbnCaZ/niLHt/dp5tz7Nlli/zj/MPnxb5Inv3NmMgmw2dHlvHjaJ0ZJFS39nY/8J773lOHf89ViGtUZUhbZR+HVw4W+ldnHy0qtHF9FGsXNNqo0g7e+1KFEsQpNFjKRIQt539qW0ZQa72TjxHIT+QLnUg53WhzIUi9UdTHXmU18HZMI1OyRiSflV5islJvYwhGaTKPiWDMNmn2Xj0BK13f7EguEOvMSTwrdOm3PKyd6SaNoHfynQo4w1Wjl1Af4uhM/T1Ab3a4XiUpk+wr3mRgQHeMDmxFwEmE3LrQ2G6EicTSFNYH5jSILgKKm2YS9sduI4PBeHUHAV5tCVfLfpd1MoT7HlrmPYF8kXmoXCma6z8X+6xx4M86eY60mRQCrYP2enj8LxGFTqPDVoSs39bgboHdQIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 702.87 μs | 581.81 μs | 0.83 | 0.32 | False | | |
|<ul><li>[NewDelegateClassEmptyStaticFn - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/PerfLabTests.LowLevelPerf.NewDelegateClassEmptyStaticFn.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/LowLevelPerf.cs#L255-#L262>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 694.71 μs | 583.22 μs | 0.84 | 0.33 | False | | |
|<ul><li>[GenericClassWithSTringGenericInstanceMethod - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/PerfLabTests.LowLevelPerf.GenericClassWithSTringGenericInstanceMethod.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/LowLevelPerf.cs#L372-#L380>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 199.29 μs | 162.68 μs | 0.82 | 0.45 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/PerfLabTests.LowLevelPerf_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/PerfLabTests.LowLevelPerf_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/PerfLabTests.LowLevelPerf_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_10_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/PerfLabTests.LowLevelPerf.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 'PerfLabTests.LowLevelPerf*'
```

<details>

### PerfLabTests.LowLevelPerf.NewDelegateClassEmptyInstanceFn

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.LowLevelPerf.NewDelegateClassEmptyStaticFn

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.LowLevelPerf.GenericClassWithSTringGenericInstanceMethod

#### 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>

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	ViperUbuntu
Baseline	6ab0311319cc7c975ac7ed1b84df809e881dfb13
Compare	f34ec2bc4c3a16b647fd4fc0016aca4f62479e5a
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ImmutableList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.96 μs	5.01 μs	0.84	0.26	False
SortedDictionaryDeepCopy - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.90 μs	5.17 μs	0.88	0.23	False
ImmutableQueue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.34 μs	2.77 μs	0.83	0.33	False
ConcurrentStack - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.37 μs	2.81 μs	0.83	0.28	False
SortedDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.39 μs	15.01 μs	0.92	0.28	False
ImmutableStack - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.34 μs	2.78 μs	0.83	0.31	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
CreateRegisterDispose - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	43.72 ns	40.30 ns	0.92	0.08	False
CreateLinkedTokenSource2 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	46.53 ns	41.13 ns	0.88	0.02	False
CreateManyRegisterMultipleDispose - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	103.04 ns	92.51 ns	0.90	0.03	False
CreateLinkedTokenSource3 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	77.66 ns	69.72 ns	0.90	0.02	False
CreateLinkedTokenSource1 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	31.34 ns	26.90 ns	0.86	0.03	False
Cancel - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	50.37 ns	45.62 ns	0.91	0.19	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Average - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	103.73 ns	96.97 ns	0.93	0.06	False
WhereAny_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	45.42 ns	38.39 ns	0.85	0.02	False
AppendPrepend - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.73 μs	2.31 μs	0.84	0.19	False
Prepend - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.62 μs	2.16 μs	0.83	0.21	False
ToList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	28.86 ns	26.00 ns	0.90	0.08	False
SelectToList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	65.90 ns	61.07 ns	0.93	0.04	False
WhereAny_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	47.40 ns	41.08 ns	0.87	0.03	False
Count - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.63 ns	0.52 ns	0.32	0.09	False
WhereLast_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	18.19 ns	11.99 ns	0.66	0.20	False
ElementAt - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	37.83 ns	28.97 ns	0.77	0.25	False
LastWithPredicate_FirstElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.52 ns	2.05 ns	0.58	0.10	False
WhereFirst_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	44.75 ns	38.17 ns	0.85	0.02	False
SequenceEqual - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.23 ns	2.83 ns	0.28	0.05	False
Append - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.72 μs	2.31 μs	0.85	0.22	False
EmptyTakeSelectToArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.28 ns	3.20 ns	0.44	0.24	False
WhereLast_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	15.84 ns	11.04 ns	0.70	0.24	False
SelectToArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	85.16 ns	55.35 ns	0.65	0.09	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
NewDelegateClassEmptyInstanceFn - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	702.87 μs	581.81 μs	0.83	0.32	False
NewDelegateClassEmptyStaticFn - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	694.71 μs	583.22 μs	0.84	0.33	False
GenericClassWithSTringGenericInstanceMethod - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	199.29 μs	162.68 μs	0.82	0.45	False

[Perf] Linux/x64: 113 Improvements on 6/3/2025 10:54:35 PM +00:00 #57258

Description

Run Information

Improvements in System.Collections.CtorFromCollection<Int32>

Repro

System.Collections.CtorFromCollection<Int32>.ImmutableList(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.CtorFromCollection<Int32>.SortedDictionaryDeepCopy(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.CtorFromCollection<Int32>.ImmutableQueue(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.CtorFromCollection<Int32>.ConcurrentStack(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.CtorFromCollection<Int32>.SortedDictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.CtorFromCollection<Int32>.ImmutableStack(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Xml.Linq.Perf_XElement

Repro

System.Xml.Linq.Perf_XElement.CreateWithElements

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Threading.Tests.Perf_CancellationToken

Repro

System.Threading.Tests.Perf_CancellationToken.CreateRegisterDispose

ETL Files

Histogram

JIT Disasms

System.Threading.Tests.Perf_CancellationToken.CreateLinkedTokenSource2

ETL Files

Histogram

JIT Disasms

System.Threading.Tests.Perf_CancellationToken.CreateManyRegisterMultipleDispose

ETL Files

Histogram

JIT Disasms

System.Threading.Tests.Perf_CancellationToken.CreateLinkedTokenSource3

ETL Files

Histogram

JIT Disasms

System.Threading.Tests.Perf_CancellationToken.CreateLinkedTokenSource1

ETL Files

Histogram

JIT Disasms

System.Threading.Tests.Perf_CancellationToken.Cancel

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Linq.Tests.Perf_Enumerable

Repro

System.Linq.Tests.Perf_Enumerable.Average(input: IEnumerable)

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input: Array)

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.AppendPrepend(input: IEnumerable)

ETL Files

Histogram