[Perf] Linux/x64: 22 Regressions on 5/19/2025 4:32:47 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [2e77d32dfcd5465434e4b0963e9be50b749521f6](https://github.com/dotnet/runtime/commit/2e77d32dfcd5465434e4b0963e9be50b749521f6)
Compare | [d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd](https://github.com/dotnet/runtime/commit/d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2e77d32dfcd5465434e4b0963e9be50b749521f6...d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Buffers.Tests.RentReturnArrayPoolTests&lt;Byte&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SingleSerial - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Buffers.Tests.RentReturnArrayPoolTests(Byte).SingleSerial(RentalSize%3a%204096%2c%20ManipulateArray%3a%20False%2c%20Async%3a%20False%2c%20UseSharedPool%3a%20False).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ArrayPoolTests.cs#L48-#L60>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 18.16 ns | 20.24 ns | 1.11 | 0.07 | False | | |
|<ul><li>[MultipleSerial - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Buffers.Tests.RentReturnArrayPoolTests(Byte).MultipleSerial(RentalSize%3a%204096%2c%20ManipulateArray%3a%20False%2c%20Async%3a%20False%2c%20UseSharedPool%3a%20False).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ArrayPoolTests.cs#L83-#L104>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 176.72 ns | 191.92 ns | 1.09 | 0.16 | False | | |
|<ul><li>[ProducerConsumer - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Buffers.Tests.RentReturnArrayPoolTests(Byte).ProducerConsumer(RentalSize%3a%204096%2c%20ManipulateArray%3a%20False%2c%20Async%3a%20True%2c%20UseSharedPool%3a%20False).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ArrayPoolTests.cs#L106-#L149>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 845.65 ns | 1.10 μs | 1.30 | 0.59 | False | | |
|<ul><li>[ProducerConsumer - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Buffers.Tests.RentReturnArrayPoolTests(Byte).ProducerConsumer(RentalSize%3a%204096%2c%20ManipulateArray%3a%20False%2c%20Async%3a%20True%2c%20UseSharedPool%3a%20True).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ArrayPoolTests.cs#L106-#L149>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 849.99 ns | 1.19 μs | 1.40 | 0.60 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Tests.RentReturnArrayPoolTests%28Byte%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Tests.RentReturnArrayPoolTests%28Byte%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Tests.RentReturnArrayPoolTests%28Byte%29_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Tests.RentReturnArrayPoolTests%28Byte%29_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Tests.RentReturnArrayPoolTests%28Byte%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.Buffers.Tests.RentReturnArrayPoolTests&lt;Byte&gt;*'
```

<details>

### System.Buffers.Tests.RentReturnArrayPoolTests&lt;Byte&gt;.SingleSerial(RentalSize: 4096, ManipulateArray: False, Async: False, UseSharedPool: False)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.RentReturnArrayPoolTests&lt;Byte&gt;.MultipleSerial(RentalSize: 4096, ManipulateArray: False, Async: False, UseSharedPool: False)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.RentReturnArrayPoolTests&lt;Byte&gt;.ProducerConsumer(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: False)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.RentReturnArrayPoolTests&lt;Byte&gt;.ProducerConsumer(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: True)

#### 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 | [2e77d32dfcd5465434e4b0963e9be50b749521f6](https://github.com/dotnet/runtime/commit/2e77d32dfcd5465434e4b0963e9be50b749521f6)
Compare | [d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd](https://github.com/dotnet/runtime/commit/d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2e77d32dfcd5465434e4b0963e9be50b749521f6...d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<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.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern%3a%20%22Sherlock%7cHolmes%7cWatson%22%2c%20Options%3a%20NonBacktracking).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.RegularExpressions/Perf.Regex.Industry.cs#L193-#L195>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 116.23 μs | 123.01 μs | 1.06 | 0.31 | 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.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern%3a%20%22%5c%5cw%2b%22%2c%20Options%3a%20NonBacktracking).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.RegularExpressions/Perf.Regex.Industry.cs#L193-#L195>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.31 ms | 8.29 ms | 1.13 | 0.21 | 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.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern%3a%20%22%5c%5cp%7bL%7d%22%2c%20Options%3a%20NonBacktracking).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.RegularExpressions/Perf.Regex.Industry.cs#L193-#L195>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 16.55 ms | 18.28 ms | 1.10 | 0.08 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.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.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock*'
```

<details>

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "Sherlock|Holmes|Watson", Options: NonBacktracking)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "\\w+", Options: NonBacktracking)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "\\p{L}", Options: NonBacktracking)

#### 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 | [2e77d32dfcd5465434e4b0963e9be50b749521f6](https://github.com/dotnet/runtime/commit/2e77d32dfcd5465434e4b0963e9be50b749521f6)
Compare | [d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd](https://github.com/dotnet/runtime/commit/d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2e77d32dfcd5465434e4b0963e9be50b749521f6...d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Globalization.Tests.StringEquality

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Compare_Same_Upper - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Globalization.Tests.StringEquality.Compare_Same_Upper(Count%3a%201024%2c%20Options%3a%20(en-US%2c%20Ordinal)).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Globalization/StringEquality.cs#L65-#L67>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.35 ns | 10.86 ns | 1.48 | 0.06 | False | | |
|<ul><li>[Compare_DifferentFirstChar - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Globalization.Tests.StringEquality.Compare_DifferentFirstChar(Count%3a%201024%2c%20Options%3a%20(en-US%2c%20Ordinal)).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Globalization/StringEquality.cs#L69-#L71>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.30 ns | 8.13 ns | 1.89 | 0.03 | False | | |
|<ul><li>[Compare_DifferentFirstChar - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Globalization.Tests.StringEquality.Compare_DifferentFirstChar(Count%3a%201024%2c%20Options%3a%20(en-US%2c%20OrdinalIgnoreCase)).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Globalization/StringEquality.cs#L69-#L71>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1SW2/TMBR+r9T/cOiLU5E2IduoFmQJ6LqB0IS0FnhEXnLSGjl2sU9YC+O/c5y0L7zYyrl8+S42SEAYCCS8FetjIGznd8Y9KqN/K9LOzjfcDfM1eW23q58dN+g4X7p2rzx+v9FNgx4t3WofaLlTPlm6zlIJr/LiMoXP+4gRSkjQzr6sueBrbZX5uLXO41IFnE7Fm/HIMA3VEHrmUStC0i0mRV5czfKLWbHY5NdlflkWxXxRXCyuXl+/zPMyz6enTY97x4uidmSRMs8EeP+M++iVrXax77EJ2Q5VHbJWaXseqJxt9Db++WhVq6vkj4j6tOkNuHc1ihIEaRZaixTEQ2c/aVvHIk97J/5GIndIH3Qg53WlzI0i9U3TbvBJB/YgiTbLeKSDVNmfac9exiM9UZXDlZ6IyeGajkfPsPfuB1YEa/QaQwrvO23qDYtdk2r3KXxVpkMZI+tjQP+AoTP07hd6tcXxKMue4WnHQk4I8ILBib0IMJmQWx0q09U4mUCWwerAkAbBNdBow1j8AMB1HBSEfjkS4uxrTi36XXH6BE+sGpJhQJ5pHipnutbK/+keh3qQPW+eI00GpWD7kJ0+nj7vUYXOY8vvTEz/AT7KHcayAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 3.71 ns | 8.44 ns | 2.27 | 0.03 | False | | |
|<ul><li>[Compare_Same - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Globalization.Tests.StringEquality.Compare_Same(Count%3a%201024%2c%20Options%3a%20(en-US%2c%20Ordinal)).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Globalization/StringEquality.cs#L61-#L63>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 39.01 ns | 44.92 ns | 1.15 | 0.08 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Globalization.Tests.StringEquality_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Globalization.Tests.StringEquality_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Globalization.Tests.StringEquality_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Globalization.Tests.StringEquality_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Globalization.Tests.StringEquality.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.Globalization.Tests.StringEquality*'
```

<details>

### System.Globalization.Tests.StringEquality.Compare_Same_Upper(Count: 1024, Options: (en-US, Ordinal))

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Globalization.Tests.StringEquality.Compare_DifferentFirstChar(Count: 1024, Options: (en-US, Ordinal))

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Globalization.Tests.StringEquality.Compare_DifferentFirstChar(Count: 1024, Options: (en-US, OrdinalIgnoreCase))

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Globalization.Tests.StringEquality.Compare_Same(Count: 1024, Options: (en-US, Ordinal))

#### 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 | [2e77d32dfcd5465434e4b0963e9be50b749521f6](https://github.com/dotnet/runtime/commit/2e77d32dfcd5465434e4b0963e9be50b749521f6)
Compare | [d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd](https://github.com/dotnet/runtime/commit/d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2e77d32dfcd5465434e4b0963e9be50b749521f6...d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.IterateForEach&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<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.IterateForEach(Int32).ImmutableSortedDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L351-#L359>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.56 μs | 2.78 μs | 1.08 | 0.07 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.IterateForEach%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.IterateForEach%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.IterateForEach&lt;Int32&gt;*'
```

<details>

### System.Collections.IterateForEach&lt;Int32&gt;.ImmutableSortedDictionary(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 | [2e77d32dfcd5465434e4b0963e9be50b749521f6](https://github.com/dotnet/runtime/commit/2e77d32dfcd5465434e4b0963e9be50b749521f6)
Compare | [d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd](https://github.com/dotnet/runtime/commit/d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2e77d32dfcd5465434e4b0963e9be50b749521f6...d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.Json.Document.Tests.Perf_ParseThenWrite

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ParseThenWrite - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented%3a%20True%2c%20TestCase%3a%20Json400B).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Document/ParseThenWrite.cs#L60-#L69>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.07 μs | 1.22 μs | 1.14 | 0.05 | False | | |
|<ul><li>[ParseThenWrite - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented%3a%20True%2c%20TestCase%3a%20Json400KB).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Document/ParseThenWrite.cs#L60-#L69>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 822.68 μs | 956.21 μs | 1.16 | 0.04 | False | | |
|<ul><li>[ParseThenWrite - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented%3a%20False%2c%20TestCase%3a%20DeepTree).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Document/ParseThenWrite.cs#L60-#L69>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.31 μs | 5.84 μs | 1.10 | 0.06 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.Json.Document.Tests.Perf_ParseThenWrite_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.Json.Document.Tests.Perf_ParseThenWrite_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.Json.Document.Tests.Perf_ParseThenWrite_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Text.Json.Document.Tests.Perf_ParseThenWrite.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.Text.Json.Document.Tests.Perf_ParseThenWrite*'
```

<details>

### System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: True, TestCase: Json400B)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: True, TestCase: Json400KB)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: False, TestCase: DeepTree)

#### 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 | [2e77d32dfcd5465434e4b0963e9be50b749521f6](https://github.com/dotnet/runtime/commit/2e77d32dfcd5465434e4b0963e9be50b749521f6)
Compare | [d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd](https://github.com/dotnet/runtime/commit/d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2e77d32dfcd5465434e4b0963e9be50b749521f6...d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.CreateAddAndClear&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<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.CreateAddAndClear(Int32).ConcurrentBag(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/CreateAddAndClear.cs#L229-#L239>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.74 μs | 5.98 μs | 1.26 | 0.05 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.CreateAddAndClear%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.CreateAddAndClear%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.CreateAddAndClear&lt;Int32&gt;*'
```

<details>

### System.Collections.CreateAddAndClear&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 | [2e77d32dfcd5465434e4b0963e9be50b749521f6](https://github.com/dotnet/runtime/commit/2e77d32dfcd5465434e4b0963e9be50b749521f6)
Compare | [d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd](https://github.com/dotnet/runtime/commit/d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2e77d32dfcd5465434e4b0963e9be50b749521f6...d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Buffers.Tests.NonStandardArrayPoolTests&lt;Byte&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[RentNoReturn - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Buffers.Tests.NonStandardArrayPoolTests(Byte).RentNoReturn(RentalSize%3a%2064%2c%20UseSharedPool%3a%20False).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ArrayPoolTests.cs#L169-#L177>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 16.92 ns | 23.33 ns | 1.38 | 0.09 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Tests.NonStandardArrayPoolTests%28Byte%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Tests.NonStandardArrayPoolTests%28Byte%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.Buffers.Tests.NonStandardArrayPoolTests&lt;Byte&gt;*'
```

<details>

### System.Buffers.Tests.NonStandardArrayPoolTests&lt;Byte&gt;.RentNoReturn(RentalSize: 64, UseSharedPool: False)

#### 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 | [2e77d32dfcd5465434e4b0963e9be50b749521f6](https://github.com/dotnet/runtime/commit/2e77d32dfcd5465434e4b0963e9be50b749521f6)
Compare | [d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd](https://github.com/dotnet/runtime/commit/d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2e77d32dfcd5465434e4b0963e9be50b749521f6...d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Memory.SequenceReader

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[TryReadTo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Memory.SequenceReader.TryReadTo.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/SequenceReader.cs#L26-#L43>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 45.30 ns | 48.15 ns | 1.06 | 0.14 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Memory.SequenceReader_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Memory.SequenceReader.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.Memory.SequenceReader*'
```

<details>

### System.Memory.SequenceReader.TryReadTo

#### 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 | [2e77d32dfcd5465434e4b0963e9be50b749521f6](https://github.com/dotnet/runtime/commit/2e77d32dfcd5465434e4b0963e9be50b749521f6)
Compare | [d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd](https://github.com/dotnet/runtime/commit/d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2e77d32dfcd5465434e4b0963e9be50b749521f6...d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Tests.Perf_String

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[TrimEnd_CharArr - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Tests.Perf_String.TrimEnd_CharArr(s%3a%20%22Test%20%22%2c%20c%3a%20%5b%27%20%27%2c%20%27%e2%80%85%27%5d).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L160-#L165>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 9.05 ns | 10.30 ns | 1.14 | 0.32 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Tests.Perf_String_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Tests.Perf_String.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.Tests.Perf_String*'
```

<details>

### System.Tests.Perf_String.TrimEnd_CharArr(s: "Test ", c: [' ', ' '])

#### 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 | [2e77d32dfcd5465434e4b0963e9be50b749521f6](https://github.com/dotnet/runtime/commit/2e77d32dfcd5465434e4b0963e9be50b749521f6)
Compare | [d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd](https://github.com/dotnet/runtime/commit/d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2e77d32dfcd5465434e4b0963e9be50b749521f6...d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Buffers.Tests.NonStandardArrayPoolTests&lt;Object&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[RentNoReturn - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Buffers.Tests.NonStandardArrayPoolTests(Object).RentNoReturn(RentalSize%3a%2064%2c%20UseSharedPool%3a%20False).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ArrayPoolTests.cs#L169-#L177>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 28.98 ns | 35.25 ns | 1.22 | 0.05 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Tests.NonStandardArrayPoolTests%28Object%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Buffers.Tests.NonStandardArrayPoolTests%28Object%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.Buffers.Tests.NonStandardArrayPoolTests&lt;Object&gt;*'
```

<details>

### System.Buffers.Tests.NonStandardArrayPoolTests&lt;Object&gt;.RentNoReturn(RentalSize: 64, UseSharedPool: False)

#### 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 | [2e77d32dfcd5465434e4b0963e9be50b749521f6](https://github.com/dotnet/runtime/commit/2e77d32dfcd5465434e4b0963e9be50b749521f6)
Compare | [d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd](https://github.com/dotnet/runtime/commit/d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2e77d32dfcd5465434e4b0963e9be50b749521f6...d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.ContainsFalse&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ImmutableArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.ContainsFalse(String).ImmutableArray(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsFalse.cs#L167-#L176>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 239.74 μs | 304.39 μs | 1.27 | 0.36 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.ContainsFalse%28String%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.ContainsFalse%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.ContainsFalse&lt;String&gt;*'
```

<details>

### System.Collections.ContainsFalse&lt;String&gt;.ImmutableArray(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 | [2e77d32dfcd5465434e4b0963e9be50b749521f6](https://github.com/dotnet/runtime/commit/2e77d32dfcd5465434e4b0963e9be50b749521f6)
Compare | [d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd](https://github.com/dotnet/runtime/commit/d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2e77d32dfcd5465434e4b0963e9be50b749521f6...d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in Benchmark.GetChildKeysTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[AddChainedConfigurationEmpty - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/Benchmark.GetChildKeysTests.AddChainedConfigurationEmpty.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/Microsoft.Extensions.Configuration/GetChildKeysTests.cs#L100-#L102>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 8.49 ms | 11.88 ms | 1.40 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/Benchmark.GetChildKeysTests_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/Benchmark.GetChildKeysTests.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 'Benchmark.GetChildKeysTests*'
```

<details>

### Benchmark.GetChildKeysTests.AddChainedConfigurationEmpty

#### 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	2e77d32dfcd5465434e4b0963e9be50b749521f6
Compare	d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SingleSerial - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	18.16 ns	20.24 ns	1.11	0.07	False
MultipleSerial - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	176.72 ns	191.92 ns	1.09	0.16	False
ProducerConsumer - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	845.65 ns	1.10 μs	1.30	0.59	False
ProducerConsumer - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	849.99 ns	1.19 μs	1.40	0.60	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Count - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	116.23 μs	123.01 μs	1.06	0.31	False
Count - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.31 ms	8.29 ms	1.13	0.21	False
Count - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.55 ms	18.28 ms	1.10	0.08	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Compare_Same_Upper - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.35 ns	10.86 ns	1.48	0.06	False
Compare_DifferentFirstChar - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.30 ns	8.13 ns	1.89	0.03	False
Compare_DifferentFirstChar - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.71 ns	8.44 ns	2.27	0.03	False
Compare_Same - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	39.01 ns	44.92 ns	1.15	0.08	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ParseThenWrite - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.07 μs	1.22 μs	1.14	0.05	False
ParseThenWrite - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	822.68 μs	956.21 μs	1.16	0.04	False
ParseThenWrite - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.31 μs	5.84 μs	1.10	0.06	False

[Perf] Linux/x64: 22 Regressions on 5/19/2025 4:32:47 PM +00:00 #56208

Description

Run Information

Regressions in System.Buffers.Tests.RentReturnArrayPoolTests<Byte>

Repro

System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.SingleSerial(RentalSize: 4096, ManipulateArray: False, Async: False, UseSharedPool: False)

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.MultipleSerial(RentalSize: 4096, ManipulateArray: False, Async: False, UseSharedPool: False)

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.ProducerConsumer(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: False)

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.ProducerConsumer(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: True)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock

Repro

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "Sherlock|Holmes|Watson", Options: NonBacktracking)

ETL Files

Histogram

JIT Disasms

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "\w+", Options: NonBacktracking)

ETL Files

Histogram

JIT Disasms

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "\p{L}", Options: NonBacktracking)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Globalization.Tests.StringEquality

Repro

System.Globalization.Tests.StringEquality.Compare_Same_Upper(Count: 1024, Options: (en-US, Ordinal))

ETL Files

Histogram

JIT Disasms

System.Globalization.Tests.StringEquality.Compare_DifferentFirstChar(Count: 1024, Options: (en-US, Ordinal))

ETL Files

Histogram

JIT Disasms

System.Globalization.Tests.StringEquality.Compare_DifferentFirstChar(Count: 1024, Options: (en-US, OrdinalIgnoreCase))

ETL Files

Histogram

JIT Disasms

System.Globalization.Tests.StringEquality.Compare_Same(Count: 1024, Options: (en-US, Ordinal))

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.IterateForEach<Int32>

Repro

System.Collections.IterateForEach<Int32>.ImmutableSortedDictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Text.Json.Document.Tests.Perf_ParseThenWrite

Repro

System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: True, TestCase: Json400B)

ETL Files

Histogram

JIT Disasms

System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: True, TestCase: Json400KB)

ETL Files

Histogram

JIT Disasms

System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: False, TestCase: DeepTree)

ETL Files

Histogram