[Perf] Windows/x64: 8 Regressions on 3/14/2024 8:52:16 AM

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.18362
Queue | TigerWindows
Baseline | [18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0](https://github.com/dotnet/runtime/commit/18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0)
Compare | [713e69021b6a53a4f7e7affc2eb10965e41f8f3a](https://github.com/dotnet/runtime/commit/713e69021b6a53a4f7e7affc2eb10965e41f8f3a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0...713e69021b6a53a4f7e7affc2eb10965e41f8f3a)
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 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Tests.Perf_String.TrimEnd(s%3a%20%22Test%20%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L138-#L142>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 10.22 ns | 11.81 ns | 1.16 | 0.44 | False | | |
|<ul><li>[Trim_CharArr - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Tests.Perf_String.Trim_CharArr(s%3a%20%22Test%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#L144-#L151>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.96 ns | 7.02 ns | 1.18 | 0.06 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_26_2024/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Tests.Perf_String_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_26_2024/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Tests.Perf_String_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_26_2024/refs/heads/main_x64_Windows%2010.0.18362_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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_String*'
```

<details>

### System.Tests.Perf_String.TrimEnd(s: "Test ")

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_String.Trim_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 | Windows 10.0.18362
Queue | TigerWindows
Baseline | [18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0](https://github.com/dotnet/runtime/commit/18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0)
Compare | [713e69021b6a53a4f7e7affc2eb10965e41f8f3a](https://github.com/dotnet/runtime/commit/713e69021b6a53a4f7e7affc2eb10965e41f8f3a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0...713e69021b6a53a4f7e7affc2eb10965e41f8f3a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Double&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[AddMultiply_Vectors - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives(Double).AddMultiply_Vectors(BufferLength%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_NumberTensorPrimitives.cs#L55-#L56>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 39.85 ns | 44.29 ns | 1.11 | 0.24 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_26_2024/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives%28Double%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_26_2024/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives%28Double%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.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Double&gt;*'
```

<details>

### System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives&lt;Double&gt;.AddMultiply_Vectors(BufferLength: 128)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.18362
Queue | TigerWindows
Baseline | [18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0](https://github.com/dotnet/runtime/commit/18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0)
Compare | [713e69021b6a53a4f7e7affc2eb10965e41f8f3a](https://github.com/dotnet/runtime/commit/713e69021b6a53a4f7e7affc2eb10965e41f8f3a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0...713e69021b6a53a4f7e7affc2eb10965e41f8f3a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.IndexerSet&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_Windows 10.0.18362/System.Collections.IndexerSet(String).IList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Indexer/IndexerSet.cs#L67-#L69>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.73 μs | 3.37 μs | 1.23 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_26_2024/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.IndexerSet%28String%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_26_2024/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.IndexerSet%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.IndexerSet&lt;String&gt;*'
```

<details>

### System.Collections.IndexerSet&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 | Windows 10.0.18362
Queue | TigerWindows
Baseline | [18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0](https://github.com/dotnet/runtime/commit/18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0)
Compare | [713e69021b6a53a4f7e7affc2eb10965e41f8f3a](https://github.com/dotnet/runtime/commit/713e69021b6a53a4f7e7affc2eb10965e41f8f3a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0...713e69021b6a53a4f7e7affc2eb10965e41f8f3a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.Perf_Frozen&lt;ReferenceType&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Contains_True - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Collections.Perf_Frozen(ReferenceType).Contains_True(Count%3a%2064).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Frozen/Perf_Frozen.cs#L96-#L105>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 620.28 ns | 678.48 ns | 1.09 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_26_2024/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.Perf_Frozen%28ReferenceType%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_26_2024/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.Perf_Frozen%28ReferenceType%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.Perf_Frozen&lt;ReferenceType&gt;*'
```

<details>

### System.Collections.Perf_Frozen&lt;ReferenceType&gt;.Contains_True(Count: 64)

#### 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 10.0.18362
Queue | TigerWindows
Baseline | [18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0](https://github.com/dotnet/runtime/commit/18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0)
Compare | [713e69021b6a53a4f7e7affc2eb10965e41f8f3a](https://github.com/dotnet/runtime/commit/713e69021b6a53a4f7e7affc2eb10965e41f8f3a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0...713e69021b6a53a4f7e7affc2eb10965e41f8f3a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.Json.Serialization.Tests.WriteJson&lt;ImmutableDictionary&lt;String, String&gt;&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SerializeToWriter - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Text.Json.Serialization.Tests.WriteJson(ImmutableDictionary(String%2c%20String)).SerializeToWriter(Mode%3a%20Reflection).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Serializer/WriteJson.cs#L81-#L87>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 15.52 μs | 18.71 μs | 1.21 | 0.18 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_26_2024/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Text.Json.Serialization.Tests.WriteJson%28ImmutableDictionary%28String%2C%20String%29%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_26_2024/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Text.Json.Serialization.Tests.WriteJson%28ImmutableDictionary%28String%2C%20String%29%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.Text.Json.Serialization.Tests.WriteJson&lt;ImmutableDictionary&lt;String, String&gt;&gt;*'
```

<details>

### System.Text.Json.Serialization.Tests.WriteJson&lt;ImmutableDictionary&lt;String, String&gt;&gt;.SerializeToWriter(Mode: Reflection)

#### 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 10.0.18362
Queue | TigerWindows
Baseline | [18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0](https://github.com/dotnet/runtime/commit/18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0)
Compare | [713e69021b6a53a4f7e7affc2eb10965e41f8f3a](https://github.com/dotnet/runtime/commit/713e69021b6a53a4f7e7affc2eb10965e41f8f3a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0...713e69021b6a53a4f7e7affc2eb10965e41f8f3a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Buffers.Tests.RentReturnArrayPoolTests&lt;Object&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_Windows 10.0.18362/System.Buffers.Tests.RentReturnArrayPoolTests(Object).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> | 36.33 ns | 38.84 ns | 1.07 | 0.11 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_26_2024/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Buffers.Tests.RentReturnArrayPoolTests%28Object%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_26_2024/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Buffers.Tests.RentReturnArrayPoolTests%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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Tests.RentReturnArrayPoolTests&lt;Object&gt;*'
```

<details>

### System.Buffers.Tests.RentReturnArrayPoolTests&lt;Object&gt;.SingleSerial(RentalSize: 4096, ManipulateArray: False, Async: False, 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 | Windows 10.0.18362
Queue | TigerWindows
Baseline | [18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0](https://github.com/dotnet/runtime/commit/18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0)
Compare | [713e69021b6a53a4f7e7affc2eb10965e41f8f3a](https://github.com/dotnet/runtime/commit/713e69021b6a53a4f7e7affc2eb10965e41f8f3a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0...713e69021b6a53a4f7e7affc2eb10965e41f8f3a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.IterateFor&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_Windows 10.0.18362/System.Collections.IterateFor(String).IList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateFor.cs#L86-#L88>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.25 μs | 2.57 μs | 1.14 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_26_2024/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.IterateFor%28String%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_26_2024/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.IterateFor%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.IterateFor&lt;String&gt;*'
```

<details>

### System.Collections.IterateFor&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>

Name	Value
Architecture	x64
OS	Windows 10.0.18362
Queue	TigerWindows
Baseline	18c3ad05c3fc127c3b7f37c49bc350bf7f8264a0
Compare	713e69021b6a53a4f7e7affc2eb10965e41f8f3a
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
TrimEnd - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.22 ns	11.81 ns	1.16	0.44	False
Trim_CharArr - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.96 ns	7.02 ns	1.18	0.06	False

[Perf] Windows/x64: 8 Regressions on 3/14/2024 8:52:16 AM #31920

Description

Run Information

Regressions in System.Tests.Perf_String

Repro

System.Tests.Perf_String.TrimEnd(s: "Test ")

ETL Files

Histogram

JIT Disasms

System.Tests.Perf_String.Trim_CharArr(s: "Test", c: [' ', ' '])

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives<Double>

Repro

System.Numerics.Tensors.Tests.Perf_NumberTensorPrimitives<Double>.AddMultiply_Vectors(BufferLength: 128)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.IndexerSet<String>

Repro

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.Perf_Frozen<ReferenceType>

Repro

System.Collections.Perf_Frozen<ReferenceType>.Contains_True(Count: 64)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Text.Json.Serialization.Tests.WriteJson<ImmutableDictionary<String, String>>

Repro

System.Text.Json.Serialization.Tests.WriteJson<ImmutableDictionary<String, String>>.SerializeToWriter(Mode: Reflection)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

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

Repro

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.IterateFor<String>

Repro

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

ETL Files

Histogram

JIT Disasms

Docs

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