[Perf] Linux/x64: 21 Regressions on 5/27/2025 9:50:26 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [b04d40e55b3fcaf74dcf0672a2009ec173bcd002](https://github.com/dotnet/runtime/commit/b04d40e55b3fcaf74dcf0672a2009ec173bcd002)
Compare | [9a6481dc76bccb1239083b699e028ab9c1cda7b1](https://github.com/dotnet/runtime/commit/9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/b04d40e55b3fcaf74dcf0672a2009ec173bcd002...9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.CtorFromCollection&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[LinkedList - 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).LinkedList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Create/CtorFromCollection.cs#L41-#L42>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl2RQY/TMBCF75X6H4ZenIpsk6ZdEAEjoLssiN3LtoKziaetwbEre8K2sPvfGbepkLiMlcnM8/eeLRIQRgIJ78TyEAnbycJbiw0Z7+JkQT58DL7913vz2dGseju5Ne4n6lsTKVua31jD5bQai9fDgWVJtSYMrKkVIZkWs6qsLi/K+UU5W02n9XxWz19OXr2YzubV7HlZ1mU57jcD7jwvCu3JIRWhc2n/rPs9KNds0/+A61hsUelYtMq480Dj3dps0s0Hp1rTZH/Ewrc7Y1Viv/MaRQ2CDAbUIgdx37kvxunU5OngxVMCuUH6xMZ8MI2yV4rUN0PbpKOCiRxLliKTqeQnq/JY8yO9TCXvUeXpyHsweTrGw8Ej7IL/wZHCEoPBmMOHzli9YrNLUu0uh6/KdihXfMnCcwoY7jF2lt7/wqA2OBwUxSM8bNlIrwDPWJw4iwijEfnrfWM7jaMRFAVc71nSIvg1rI1lLeM24Dt+KIjH5QQU0Gl+tZR3s1WB4IFdQ3YakGfMfeNt1zr5P+7h1I/yyM1zZMiiFBwfctKH/vMOVewCtuhIjP8CizIFYX4CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 6.15 μs | 6.81 μs | 1.11 | 0.19 | False | | |
|<ul><li>[ConcurrentBag - 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).ConcurrentBag(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Create/CtorFromCollection.cs#L77-#L78>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.19 μs | 4.41 μs | 1.39 | 0.11 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.CtorFromCollection%28Int32%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.CtorFromCollection%28Int32%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/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;.LinkedList(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.CtorFromCollection&lt;Int32&gt;.ConcurrentBag(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 | [b04d40e55b3fcaf74dcf0672a2009ec173bcd002](https://github.com/dotnet/runtime/commit/b04d40e55b3fcaf74dcf0672a2009ec173bcd002)
Compare | [9a6481dc76bccb1239083b699e028ab9c1cda7b1](https://github.com/dotnet/runtime/commit/9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/b04d40e55b3fcaf74dcf0672a2009ec173bcd002...9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.Tests.Perf_PriorityQueue&lt;Int32, Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[HeapSort - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.Tests.Perf_PriorityQueue(Int32%2c%20Int32).HeapSort(Size%3a%201000).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/PriorityQueue/Perf_PriorityQueue.cs#L35-#L45>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 14.30 μs | 17.32 μs | 1.21 | 0.15 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.Tests.Perf_PriorityQueue%28Int32%2C%20Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.Tests.Perf_PriorityQueue%28Int32%2C%20Int32%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.Tests.Perf_PriorityQueue&lt;Int32, Int32&gt;*'
```

<details>

### System.Collections.Tests.Perf_PriorityQueue&lt;Int32, Int32&gt;.HeapSort(Size: 1000)

#### 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 | [b04d40e55b3fcaf74dcf0672a2009ec173bcd002](https://github.com/dotnet/runtime/commit/b04d40e55b3fcaf74dcf0672a2009ec173bcd002)
Compare | [9a6481dc76bccb1239083b699e028ab9c1cda7b1](https://github.com/dotnet/runtime/commit/9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/b04d40e55b3fcaf74dcf0672a2009ec173bcd002...9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.ContainsTrue&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Array - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.ContainsTrue(String).Array(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrue.cs#L47-#L56>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RTY/TMBC9V+p/GHpxK7JN2m0RChixlBVIq71sKjibZNIYOXZlT9gGlv/OOEkvyNL4a+bNe28MEhAGAgkfRdEHwnZ9cMZgSdrZwGdLSttw9B2+L8hre/qwvvNe9ctC/8Yc9pvtSrybzwwDqZrQM1KlCEm3uNxm2/1NtrvJbo+bTb7b5/s367ebHa/t6yzLs2w1VXo8Oy4UlSOLlPrOxvor7g+vbNnEf491SBtUVUhbpnVNKJ2t9Sl27q1qdbn8Iw6uPWujoopHV6HIQZBGj5VIQDx19kHbKj5ytnfibyTyBemrDuS8LpX5rEh919REHOV1YDOW0SgZQzJKlUNMBvYyhmSiKsctmYjJcVvNZy9w9u4nmwsFeo0hgU+dNtWRxRak2nMC35TpUB65ycGxC+ifMHSG7n6hVyecz9L0BZ4bFjIhwCsGH0YEiwW5+0tpugoXC0hTuL8wpEFwNdTaMBZPD1zHg4IwFEdCHm3FU4t+l43yBM+sGpZjgrzSvJTOdK2V/9Ptx/cgB96cR5oMSsH2ITvdT9dHVKHz2KIlsfoHqHALeHQCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 287.10 μs | 311.48 μs | 1.08 | 0.21 | False | | |
|<ul><li>[List - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.ContainsTrue(String).List(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrue.cs#L78-#L87>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 119.35 μs | 143.73 μs | 1.20 | 0.44 | False | | |
|<ul><li>[Span - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.ContainsTrue(String).Span(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrue.cs#L59-#L69>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 286.28 μs | 311.51 μs | 1.09 | 0.24 | False | | |
|<ul><li>[ImmutableSortedSet - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.ContainsTrue(String).ImmutableSortedSet(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrue.cs#L254-#L263>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 109.83 μs | 128.89 μs | 1.17 | 0.38 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.ContainsTrue%28String%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.ContainsTrue%28String%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.ContainsTrue%28String%29_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.ContainsTrue%28String%29_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.ContainsTrue%28String%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.ContainsTrue&lt;String&gt;*'
```

<details>

### System.Collections.ContainsTrue&lt;String&gt;.Array(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.ContainsTrue&lt;String&gt;.List(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.ContainsTrue&lt;String&gt;.Span(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.ContainsTrue&lt;String&gt;.ImmutableSortedSet(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 | [b04d40e55b3fcaf74dcf0672a2009ec173bcd002](https://github.com/dotnet/runtime/commit/b04d40e55b3fcaf74dcf0672a2009ec173bcd002)
Compare | [9a6481dc76bccb1239083b699e028ab9c1cda7b1](https://github.com/dotnet/runtime/commit/9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/b04d40e55b3fcaf74dcf0672a2009ec173bcd002...9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.IterateForEach&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<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.IterateForEach(String).ConcurrentStack(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L247-#L255>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.54 μs | 2.78 μs | 1.10 | 0.07 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.IterateForEach%28String%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.IterateForEach%28String%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.IterateForEach&lt;String&gt;*'
```

<details>

### System.Collections.IterateForEach&lt;String&gt;.ConcurrentStack(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 | [b04d40e55b3fcaf74dcf0672a2009ec173bcd002](https://github.com/dotnet/runtime/commit/b04d40e55b3fcaf74dcf0672a2009ec173bcd002)
Compare | [9a6481dc76bccb1239083b699e028ab9c1cda7b1](https://github.com/dotnet/runtime/commit/9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/b04d40e55b3fcaf74dcf0672a2009ec173bcd002...9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Buffers.Binary.Tests.BinaryReadAndWriteTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[MeasureReverseEndianness - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Buffers.Binary.Tests.BinaryReadAndWriteTests.MeasureReverseEndianness.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/BinaryReadAndWriteTests.cs#L184-#L195>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 410.71 ns | 546.29 ns | 1.33 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Binary.Tests.BinaryReadAndWriteTests_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Binary.Tests.BinaryReadAndWriteTests.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.Buffers.Binary.Tests.BinaryReadAndWriteTests*'
```

<details>

### System.Buffers.Binary.Tests.BinaryReadAndWriteTests.MeasureReverseEndianness

#### 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 | [b04d40e55b3fcaf74dcf0672a2009ec173bcd002](https://github.com/dotnet/runtime/commit/b04d40e55b3fcaf74dcf0672a2009ec173bcd002)
Compare | [9a6481dc76bccb1239083b699e028ab9c1cda7b1](https://github.com/dotnet/runtime/commit/9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/b04d40e55b3fcaf74dcf0672a2009ec173bcd002...9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.IndexerSetReverse&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.IndexerSetReverse(String).IList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Indexer/IndexerSetReverse.cs#L59-#L61>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.54 μs | 1.72 μs | 1.12 | 0.07 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.IndexerSetReverse%28String%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.IndexerSetReverse%28String%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.IndexerSetReverse&lt;String&gt;*'
```

<details>

### System.Collections.IndexerSetReverse&lt;String&gt;.IList(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 | [b04d40e55b3fcaf74dcf0672a2009ec173bcd002](https://github.com/dotnet/runtime/commit/b04d40e55b3fcaf74dcf0672a2009ec173bcd002)
Compare | [9a6481dc76bccb1239083b699e028ab9c1cda7b1](https://github.com/dotnet/runtime/commit/9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/b04d40e55b3fcaf74dcf0672a2009ec173bcd002...9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in PerfLabTests.LowLevelPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SealedClassInterfaceMethod - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/PerfLabTests.LowLevelPerf.SealedClassInterfaceMethod.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/LowLevelPerf.cs#L189-#L200>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 135.56 μs | 162.65 μs | 1.20 | 0.03 | False | | |
|<ul><li>[InterfaceInterfaceMethodLongHierarchy - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/PerfLabTests.LowLevelPerf.InterfaceInterfaceMethodLongHierarchy.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/LowLevelPerf.cs#L141-#L148>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 298.26 μs | 325.34 μs | 1.09 | 0.02 | False | | |
|<ul><li>[InterfaceInterfaceMethod - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/PerfLabTests.LowLevelPerf.InterfaceInterfaceMethod.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/LowLevelPerf.cs#L96-#L114>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.49 ms | 3.06 ms | 1.23 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/PerfLabTests.LowLevelPerf_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/PerfLabTests.LowLevelPerf_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/PerfLabTests.LowLevelPerf_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/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.SealedClassInterfaceMethod

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.LowLevelPerf.InterfaceInterfaceMethodLongHierarchy

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.LowLevelPerf.InterfaceInterfaceMethod

#### 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 | [b04d40e55b3fcaf74dcf0672a2009ec173bcd002](https://github.com/dotnet/runtime/commit/b04d40e55b3fcaf74dcf0672a2009ec173bcd002)
Compare | [9a6481dc76bccb1239083b699e028ab9c1cda7b1](https://github.com/dotnet/runtime/commit/9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/b04d40e55b3fcaf74dcf0672a2009ec173bcd002...9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.CtorFromCollection&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<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(String).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=H4sIAAAAAAAACl1RTW8TMRC9R8p/GHJxIrbZTUKALhgBoRSEeqAbwdndnSRG/ojscZtA+98Z50NIXGbk8cyb994YJCCMBBLei2YfCe144Y3BlrR3cbwgHz4Hb//V3jYUtFu/G3+1NpG6M/g9YcJho39jDfPJdCTe9HuGcdWKMDBwpwhJWxxOq+n8onpxUc2Wk0k9v6znr8Yvp68vZ7Pp86qqq2p0mgy49TwoOk8OqQzJ5fkz7l1Qrt3k/4CrWG5QdbG0SrtzQ+vdSq/z5r1TVrfDP2Lh7VYblQXc+A5FDYI0BuxEAeI2uW/adbnI3cGLp0zkGumLjqxft8p8UqR+atpkHBV0ZG+G2TeZQ3GUKg+xOLCXORQnqvKYihMxeUyjfu8RtsH/Yl+hwaAxFvAxadMtWWxDym4L+KFMQrnkJQvPLmC4xZgMfbjHoNbY75XlIzxsWMgJAZ4xOLEXEQYD8le71qQOBwMoS7jaMaRB8CtYacNYfEbwiQ8F8TCcCQV0HV8t+91uVCB4YNUwPDbIM81d602yTv5Pd3+sR3ngzX2kyaAUbB+y0/vT8wZVTAEtOhKjv4+HoRWDAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 3.52 μs | 4.10 μs | 1.16 | 0.31 | False | | |
|<ul><li>[ConcurrentBag - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.CtorFromCollection(String).ConcurrentBag(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Create/CtorFromCollection.cs#L77-#L78>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 6.79 μs | 7.43 μs | 1.09 | 0.13 | False | | |
|<ul><li>[SortedList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.CtorFromCollection(String).SortedList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Create/CtorFromCollection.cs#L56-#L57>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 185.49 μs | 203.18 μs | 1.10 | 0.34 | False | | |
|<ul><li>[ImmutableSortedDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.CtorFromCollection(String).ImmutableSortedDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Create/CtorFromCollection.cs#L98-#L99>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 166.20 μs | 181.59 μs | 1.09 | 0.39 | False | | |
|<ul><li>[ImmutableSortedSet - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.CtorFromCollection(String).ImmutableSortedSet(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Create/CtorFromCollection.cs#L101-#L102>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RTY/TQAy9V+p/ML1MKrJN2v2CwiCg7AJCe9lUcJ5NnHbQfFQzDtvC7n/H06RC4mJrPPbze88GCQgjgYT3ojpEQjtbeWOwJu1dnK3Ih9vg7b/a24qCdpt3s6/WdqQeDFY+EDYVUlbp37iEy/liKt6MR4axVUsYGLxRhKQtZotycXlWXpyV5+v5YlmWy/Pr2eurq/n1q4uX/CrL6TAZcOd5UDSeHFIROpfmT7gPQbl6m/4DtrHYompiYZV2p4bau1Zv0uaDU1bX2R+x8nanjUoi7nyDYgmCNAZsRA7ivnPftGtSkbuDF8+JyGekLzqyB7pW5pMi9UPTNuGooCP7kyXvZAp5L1UeY35kL1PIB6qyT/lATPZpOh49wS74n+wtVBg0xhw+dto0axZbkbK7HL4r06Fc85KVZxcw3GPsDH34hUFtcDwqiid43LKQAQFeMDixFxEmE/I3+9p0DU4mUBRws2dIg+BbaLVhLD4l+I4PBfE4nAgFdA1fLfldb1UgeGTVkPUN8kRzX3vTWSf/p3vo61EeeXMfaTIoBduH7PRheN6hil1Ai47E9C9AxC3jhwIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 176.71 μs | 192.17 μs | 1.09 | 0.35 | False | | |
|<ul><li>[SortedSet - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.CtorFromCollection(String).SortedSet(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Create/CtorFromCollection.cs#L59-#L60>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 169.08 μs | 185.26 μs | 1.10 | 0.37 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.CtorFromCollection%28String%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.CtorFromCollection%28String%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.CtorFromCollection%28String%29_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.CtorFromCollection%28String%29_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.CtorFromCollection%28String%29_005.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.CtorFromCollection%28String%29_006.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.CtorFromCollection%28String%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;String&gt;*'
```

<details>

### System.Collections.CtorFromCollection&lt;String&gt;.ImmutableQueue(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.CtorFromCollection&lt;String&gt;.ConcurrentBag(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.CtorFromCollection&lt;String&gt;.SortedList(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.CtorFromCollection&lt;String&gt;.ImmutableSortedDictionary(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.CtorFromCollection&lt;String&gt;.ImmutableSortedSet(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.CtorFromCollection&lt;String&gt;.SortedSet(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 | [b04d40e55b3fcaf74dcf0672a2009ec173bcd002](https://github.com/dotnet/runtime/commit/b04d40e55b3fcaf74dcf0672a2009ec173bcd002)
Compare | [9a6481dc76bccb1239083b699e028ab9c1cda7b1](https://github.com/dotnet/runtime/commit/9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/b04d40e55b3fcaf74dcf0672a2009ec173bcd002...9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in Benchstone.BenchI.IniArray

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Test - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/Benchstone.BenchI.IniArray.Test.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Benchstones/BenchI/IniArray.cs#L21-#L30>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 52.45 ms | 63.01 ms | 1.20 | 0.48 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/Benchstone.BenchI.IniArray_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/Benchstone.BenchI.IniArray.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 'Benchstone.BenchI.IniArray*'
```

<details>

### Benchstone.BenchI.IniArray.Test

#### 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 | [b04d40e55b3fcaf74dcf0672a2009ec173bcd002](https://github.com/dotnet/runtime/commit/b04d40e55b3fcaf74dcf0672a2009ec173bcd002)
Compare | [9a6481dc76bccb1239083b699e028ab9c1cda7b1](https://github.com/dotnet/runtime/commit/9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/b04d40e55b3fcaf74dcf0672a2009ec173bcd002...9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.CtorDefaultSize&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<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.CtorDefaultSize(Int32).SortedDictionary.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Create/CtorDefaultSize.cs#L42-#L43>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 17.91 ns | 19.29 ns | 1.08 | 0.32 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.CtorDefaultSize%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/ViperUbuntu_Regression/System.Collections.CtorDefaultSize%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.CtorDefaultSize&lt;Int32&gt;*'
```

<details>

### System.Collections.CtorDefaultSize&lt;Int32&gt;.SortedDictionary

#### 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	b04d40e55b3fcaf74dcf0672a2009ec173bcd002
Compare	9a6481dc76bccb1239083b699e028ab9c1cda7b1
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
LinkedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	6.15 μs	6.81 μs	1.11	0.19	False
ConcurrentBag - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.19 μs	4.41 μs	1.39	0.11	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Array - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	287.10 μs	311.48 μs	1.08	0.21	False
List - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	119.35 μs	143.73 μs	1.20	0.44	False
Span - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	286.28 μs	311.51 μs	1.09	0.24	False
ImmutableSortedSet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	109.83 μs	128.89 μs	1.17	0.38	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SealedClassInterfaceMethod - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	135.56 μs	162.65 μs	1.20	0.03	False
InterfaceInterfaceMethodLongHierarchy - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	298.26 μs	325.34 μs	1.09	0.02	False
InterfaceInterfaceMethod - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.49 ms	3.06 ms	1.23	0.03	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ImmutableQueue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.52 μs	4.10 μs	1.16	0.31	False
ConcurrentBag - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	6.79 μs	7.43 μs	1.09	0.13	False
SortedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	185.49 μs	203.18 μs	1.10	0.34	False
ImmutableSortedDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	166.20 μs	181.59 μs	1.09	0.39	False
ImmutableSortedSet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	176.71 μs	192.17 μs	1.09	0.35	False
SortedSet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	169.08 μs	185.26 μs	1.10	0.37	False

[Perf] Linux/x64: 21 Regressions on 5/27/2025 9:50:26 PM +00:00 #116272

Description

Run Information

Regressions in System.Collections.CtorFromCollection<Int32>

Repro

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

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JIT Disasms

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

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JIT Disasms

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Run Information

Regressions in System.Collections.Tests.Perf_PriorityQueue<Int32, Int32>

Repro

System.Collections.Tests.Perf_PriorityQueue<Int32, Int32>.HeapSort(Size: 1000)

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JIT Disasms

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Run Information

Regressions in System.Collections.ContainsTrue<String>

Repro

System.Collections.ContainsTrue<String>.Array(Size: 512)

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JIT Disasms

System.Collections.ContainsTrue<String>.List(Size: 512)

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JIT Disasms

System.Collections.ContainsTrue<String>.Span(Size: 512)

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JIT Disasms

System.Collections.ContainsTrue<String>.ImmutableSortedSet(Size: 512)

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JIT Disasms

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Run Information

Regressions in System.Collections.IterateForEach<String>

Repro

System.Collections.IterateForEach<String>.ConcurrentStack(Size: 512)

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JIT Disasms

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Run Information

Regressions in System.Buffers.Binary.Tests.BinaryReadAndWriteTests

Repro

System.Buffers.Binary.Tests.BinaryReadAndWriteTests.MeasureReverseEndianness

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JIT Disasms

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Run Information

Regressions in System.Collections.IndexerSetReverse<String>

Repro

System.Collections.IndexerSetReverse<String>.IList(Size: 512)

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JIT Disasms

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Run Information

Regressions in PerfLabTests.LowLevelPerf

Repro

PerfLabTests.LowLevelPerf.SealedClassInterfaceMethod

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JIT Disasms

PerfLabTests.LowLevelPerf.InterfaceInterfaceMethodLongHierarchy

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JIT Disasms

PerfLabTests.LowLevelPerf.InterfaceInterfaceMethod

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