[Perf] Windows/x64: 12 Regressions on 4/5/2025 12:48:28 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22621
Queue | TigerWindows
Baseline | [39265ca7d7eac09fcc04b042a4161b8c20ab5191](https://github.com/dotnet/runtime/commit/39265ca7d7eac09fcc04b042a4161b8c20ab5191)
Compare | [054949bb7bdffb590340930750da1825e633ae21](https://github.com/dotnet/runtime/commit/054949bb7bdffb590340930750da1825e633ae21)
Diff | [Diff](https://github.com/dotnet/runtime/compare/39265ca7d7eac09fcc04b042a4161b8c20ab5191...054949bb7bdffb590340930750da1825e633ae21)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in Burgers

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Test3 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/Burgers.Test3.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Burgers/Burgers.cs#L194-#L196>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 203.15 ms | 249.87 ms | 1.23 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/Burgers_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/Burgers.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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'Burgers*'
```

<details>

### Burgers.Test3

#### 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 | Windows 10.0.22621
Queue | TigerWindows
Baseline | [39265ca7d7eac09fcc04b042a4161b8c20ab5191](https://github.com/dotnet/runtime/commit/39265ca7d7eac09fcc04b042a4161b8c20ab5191)
Compare | [054949bb7bdffb590340930750da1825e633ae21](https://github.com/dotnet/runtime/commit/054949bb7bdffb590340930750da1825e633ae21)
Diff | [Diff](https://github.com/dotnet/runtime/compare/39265ca7d7eac09fcc04b042a4161b8c20ab5191...054949bb7bdffb590340930750da1825e633ae21)
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>[K_Max_Elements - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.Tests.Perf_PriorityQueue(Int32%2c%20Int32).K_Max_Elements(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#L85-#L108>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.88 μs | 2.57 μs | 1.37 | 0.15 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.Collections.Tests.Perf_PriorityQueue%28Int32%2C%20Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_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
py .\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;.K_Max_Elements(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 | Windows 10.0.22621
Queue | TigerWindows
Baseline | [39265ca7d7eac09fcc04b042a4161b8c20ab5191](https://github.com/dotnet/runtime/commit/39265ca7d7eac09fcc04b042a4161b8c20ab5191)
Compare | [054949bb7bdffb590340930750da1825e633ae21](https://github.com/dotnet/runtime/commit/054949bb7bdffb590340930750da1825e633ae21)
Diff | [Diff](https://github.com/dotnet/runtime/compare/39265ca7d7eac09fcc04b042a4161b8c20ab5191...054949bb7bdffb590340930750da1825e633ae21)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.CtorFromCollectionNonGeneric&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Stack - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.CtorFromCollectionNonGeneric(String).Stack(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Create/CtorFromCollectionNonGeneric.cs#L37-#L38>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.31 μs | 3.63 μs | 1.10 | 0.08 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.Collections.CtorFromCollectionNonGeneric%28String%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.Collections.CtorFromCollectionNonGeneric%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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.CtorFromCollectionNonGeneric&lt;String&gt;*'
```

<details>

### System.Collections.CtorFromCollectionNonGeneric&lt;String&gt;.Stack(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 | Windows 10.0.22621
Queue | TigerWindows
Baseline | [39265ca7d7eac09fcc04b042a4161b8c20ab5191](https://github.com/dotnet/runtime/commit/39265ca7d7eac09fcc04b042a4161b8c20ab5191)
Compare | [054949bb7bdffb590340930750da1825e633ae21](https://github.com/dotnet/runtime/commit/054949bb7bdffb590340930750da1825e633ae21)
Diff | [Diff](https://github.com/dotnet/runtime/compare/39265ca7d7eac09fcc04b042a4161b8c20ab5191...054949bb7bdffb590340930750da1825e633ae21)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Numerics.Tests.Perf_Vector4

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetHashCodeBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Numerics.Tests.Perf_Vector4.GetHashCodeBenchmark.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Vectors/Perf_Vector4.cs#L102-#L103>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.01 ns | 5.05 ns | 1.26 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.Numerics.Tests.Perf_Vector4_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.Numerics.Tests.Perf_Vector4.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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tests.Perf_Vector4*'
```

<details>

### System.Numerics.Tests.Perf_Vector4.GetHashCodeBenchmark

#### 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 | Windows 10.0.22621
Queue | TigerWindows
Baseline | [39265ca7d7eac09fcc04b042a4161b8c20ab5191](https://github.com/dotnet/runtime/commit/39265ca7d7eac09fcc04b042a4161b8c20ab5191)
Compare | [054949bb7bdffb590340930750da1825e633ae21](https://github.com/dotnet/runtime/commit/054949bb7bdffb590340930750da1825e633ae21)
Diff | [Diff](https://github.com/dotnet/runtime/compare/39265ca7d7eac09fcc04b042a4161b8c20ab5191...054949bb7bdffb590340930750da1825e633ae21)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.IO.Tests.StringReaderReadLineTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ReadLine - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.IO.Tests.StringReaderReadLineTests.ReadLine(LineLengthRange%3a%20%5b%20%20%209%2c%20%20%2032%5d).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO/StringReaderReadLineTests.cs#L20-#L27>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 16.13 μs | 17.27 μs | 1.07 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.IO.Tests.StringReaderReadLineTests_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.IO.Tests.StringReaderReadLineTests.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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.IO.Tests.StringReaderReadLineTests*'
```

<details>

### System.IO.Tests.StringReaderReadLineTests.ReadLine(LineLengthRange: [   9,   32])

#### 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 | Windows 10.0.22621
Queue | TigerWindows
Baseline | [39265ca7d7eac09fcc04b042a4161b8c20ab5191](https://github.com/dotnet/runtime/commit/39265ca7d7eac09fcc04b042a4161b8c20ab5191)
Compare | [054949bb7bdffb590340930750da1825e633ae21](https://github.com/dotnet/runtime/commit/054949bb7bdffb590340930750da1825e633ae21)
Diff | [Diff](https://github.com/dotnet/runtime/compare/39265ca7d7eac09fcc04b042a4161b8c20ab5191...054949bb7bdffb590340930750da1825e633ae21)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Linq.Tests.Perf_Enumerable

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SequenceEqual - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Linq.Tests.Perf_Enumerable.SequenceEqual(input1%3a%20IEnumerable%2c%20input2%3a%20IEnumerable).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L416-#L419>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 263.36 ns | 279.10 ns | 1.06 | 0.00 | False | | |
|<ul><li>[AnyWithPredicate_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Linq.Tests.Perf_Enumerable.AnyWithPredicate_LastElementMatches(input%3a%20Array).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L112-#L114>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 50.45 ns | 104.81 ns | 2.08 | 0.17 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.Linq.Tests.Perf_Enumerable_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.Linq.Tests.Perf_Enumerable_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.Linq.Tests.Perf_Enumerable.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Linq.Tests.Perf_Enumerable*'
```

<details>

### System.Linq.Tests.Perf_Enumerable.SequenceEqual(input1: IEnumerable, input2: IEnumerable)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.AnyWithPredicate_LastElementMatches(input: Array)

#### 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 | Windows 10.0.22621
Queue | TigerWindows
Baseline | [39265ca7d7eac09fcc04b042a4161b8c20ab5191](https://github.com/dotnet/runtime/commit/39265ca7d7eac09fcc04b042a4161b8c20ab5191)
Compare | [054949bb7bdffb590340930750da1825e633ae21](https://github.com/dotnet/runtime/commit/054949bb7bdffb590340930750da1825e633ae21)
Diff | [Diff](https://github.com/dotnet/runtime/compare/39265ca7d7eac09fcc04b042a4161b8c20ab5191...054949bb7bdffb590340930750da1825e633ae21)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.TryGetValueFalse&lt;SmallClass, SmallClass&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_Windows 10.0.22621/System.Collections.TryGetValueFalse(SmallClass%2c%20SmallClass).SortedDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/TryGetValue/TryGetValueFalse.cs#L90-#L99>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 65.83 μs | 73.59 μs | 1.12 | 0.19 | False | | |
|<ul><li>[Dictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.TryGetValueFalse(SmallClass%2c%20SmallClass).Dictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/TryGetValue/TryGetValueFalse.cs#L54-#L63>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 6.24 μs | 7.75 μs | 1.24 | 0.40 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.Collections.TryGetValueFalse%28SmallClass%2C%20SmallClass%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.Collections.TryGetValueFalse%28SmallClass%2C%20SmallClass%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.Collections.TryGetValueFalse%28SmallClass%2C%20SmallClass%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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.TryGetValueFalse&lt;SmallClass, SmallClass&gt;*'
```

<details>

### System.Collections.TryGetValueFalse&lt;SmallClass, SmallClass&gt;.SortedDictionary(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.TryGetValueFalse&lt;SmallClass, SmallClass&gt;.Dictionary(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22621
Queue | TigerWindows
Baseline | [39265ca7d7eac09fcc04b042a4161b8c20ab5191](https://github.com/dotnet/runtime/commit/39265ca7d7eac09fcc04b042a4161b8c20ab5191)
Compare | [054949bb7bdffb590340930750da1825e633ae21](https://github.com/dotnet/runtime/commit/054949bb7bdffb590340930750da1825e633ae21)
Diff | [Diff](https://github.com/dotnet/runtime/compare/39265ca7d7eac09fcc04b042a4161b8c20ab5191...054949bb7bdffb590340930750da1825e633ae21)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in Benchstone.MDBenchI.MDNDhrystone

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_Windows 10.0.22621/Benchstone.MDBenchI.MDNDhrystone.Test.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Benchstones/MDBenchI/MDNDhrystone.cs#L246-#L252>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 341.87 ms | 379.49 ms | 1.11 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/Benchstone.MDBenchI.MDNDhrystone_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/Benchstone.MDBenchI.MDNDhrystone.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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'Benchstone.MDBenchI.MDNDhrystone*'
```

<details>

### Benchstone.MDBenchI.MDNDhrystone.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 | Windows 10.0.22621
Queue | TigerWindows
Baseline | [39265ca7d7eac09fcc04b042a4161b8c20ab5191](https://github.com/dotnet/runtime/commit/39265ca7d7eac09fcc04b042a4161b8c20ab5191)
Compare | [054949bb7bdffb590340930750da1825e633ae21](https://github.com/dotnet/runtime/commit/054949bb7bdffb590340930750da1825e633ae21)
Diff | [Diff](https://github.com/dotnet/runtime/compare/39265ca7d7eac09fcc04b042a4161b8c20ab5191...054949bb7bdffb590340930750da1825e633ae21)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.IterateForEachNonGeneric&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ArrayList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.IterateForEachNonGeneric(Int32).ArrayList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEachNonGeneric.cs#L28-#L36>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RwXLTMBC9Zyb/sOSiZHBj1yVDMIihhFA6UA5NBs7C3sRiZCkjrWlM239nFTsXLquRtO/te28NEhAGAgkfxKYLhM185YzBkrSzYX5L6BXhZ+fXqqy/O3uDFr0u391ausrfz6+9V903HWi60X+xgMVlPhNvxyPDvGrHYCaumIB0g9M8yxcXWX6RLbfZsnj1urjK5svLxWL5Jn+ZZUWWzQakx4NjoKgcWaTUtzbiz7y/vLJlHf897kJao6pC2ihtzw2lszu9j5M7qxpdTh/FyjUHbVQ0decqFAUI0uixEgmI+9Z+1baKj9ztnXiOQm6QvrAxx26V+aRI/dRURx7ldeBspjE3GUvSW5WnmpzUy1iSQarsj2QQJvtjNh49wcG735w1bDhUDAl8bLWptmx2Q6o5JPBDmRblloesHKeA/h5Da+j6D69lj+NRmj7BQ81GBgZ4weTEWQSYTMitj6VpK5xMIE1hfWRKg+B2sNOGubTdg2t5URBO4CjIo614azHvslae4IFdw7RvkGeZx9KZtrHyf7ld/x7kSTf3kSaDUnB8yEl3w/UOVWg9NmhJzP4BvlH+EYMCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 1.79 μs | 1.98 μs | 1.11 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.Collections.IterateForEachNonGeneric%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.Collections.IterateForEachNonGeneric%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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.IterateForEachNonGeneric&lt;Int32&gt;*'
```

<details>

### System.Collections.IterateForEachNonGeneric&lt;Int32&gt;.ArrayList(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 | Windows 10.0.22621
Queue | TigerWindows
Baseline | [39265ca7d7eac09fcc04b042a4161b8c20ab5191](https://github.com/dotnet/runtime/commit/39265ca7d7eac09fcc04b042a4161b8c20ab5191)
Compare | [054949bb7bdffb590340930750da1825e633ae21](https://github.com/dotnet/runtime/commit/054949bb7bdffb590340930750da1825e633ae21)
Diff | [Diff](https://github.com/dotnet/runtime/compare/39265ca7d7eac09fcc04b042a4161b8c20ab5191...054949bb7bdffb590340930750da1825e633ae21)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.Perf_Ascii

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[EqualsIgnoreCase_DifferentCase_Bytes - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Text.Perf_Ascii.EqualsIgnoreCase_DifferentCase_Bytes(Size%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encoding/Perf.Ascii.cs#L66-#L68>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 14.62 ns | 16.12 ns | 1.10 | 0.13 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.Text.Perf_Ascii_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_08_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.Text.Perf_Ascii.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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Perf_Ascii*'
```

<details>

### System.Text.Perf_Ascii.EqualsIgnoreCase_DifferentCase_Bytes(Size: 128)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>

Name	Value
Architecture	x64
OS	Windows 10.0.22621
Queue	TigerWindows
Baseline	39265ca7d7eac09fcc04b042a4161b8c20ab5191
Compare	054949bb7bdffb590340930750da1825e633ae21
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
SequenceEqual - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	263.36 ns	279.10 ns	1.06	0.00	False
AnyWithPredicate_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	50.45 ns	104.81 ns	2.08	0.17	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
SortedDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	65.83 μs	73.59 μs	1.12	0.19	False
Dictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	6.24 μs	7.75 μs	1.24	0.40	False

[Perf] Windows/x64: 12 Regressions on 4/5/2025 12:48:28 AM +00:00 #114382

Description

Run Information

Regressions in Burgers

Repro

Burgers.Test3

ETL Files

Histogram

JIT Disasms

Docs

Run Information

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

Repro

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.CtorFromCollectionNonGeneric<String>

Repro

System.Collections.CtorFromCollectionNonGeneric<String>.Stack(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Numerics.Tests.Perf_Vector4

Repro

System.Numerics.Tests.Perf_Vector4.GetHashCodeBenchmark

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.IO.Tests.StringReaderReadLineTests

Repro

System.IO.Tests.StringReaderReadLineTests.ReadLine(LineLengthRange: [ 9, 32])

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Linq.Tests.Perf_Enumerable

Repro

System.Linq.Tests.Perf_Enumerable.SequenceEqual(input1: IEnumerable, input2: IEnumerable)

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.TryGetValueFalse<SmallClass, SmallClass>

Repro

System.Collections.TryGetValueFalse<SmallClass, SmallClass>.SortedDictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.TryGetValueFalse<SmallClass, SmallClass>.Dictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in Benchstone.MDBenchI.MDNDhrystone

Repro

Benchstone.MDBenchI.MDNDhrystone.Test

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.IterateForEachNonGeneric<Int32>

Repro

System.Collections.IterateForEachNonGeneric<Int32>.ArrayList(Size: 512)

ETL Files

Histogram