[Perf] Windows/arm64: 5 Regressions on 4/21/2025 2:03:19 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [7b2de1e5ed6368c536ee646346e6fd81939e6fe6](https://github.com/dotnet/runtime/commit/7b2de1e5ed6368c536ee646346e6fd81939e6fe6)
Compare | [d9c4c3e73dcf09435a3cc1cabb23584c9f24b504](https://github.com/dotnet/runtime/commit/d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7b2de1e5ed6368c536ee646346e6fd81939e6fe6...d9c4c3e73dcf09435a3cc1cabb23584c9f24b504)
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_arm64_Windows 10.0.22621/SurfaceWindows/System.Text.Json.Document.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented%3a%20True%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> | 22.06 μs | 23.99 μs | 1.09 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Regression/System.Text.Json.Document.Tests.Perf_ParseThenWrite_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_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
py .\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: 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 | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [27d23218a56d484638692d56b3abd27e0b21b591](https://github.com/dotnet/runtime/commit/27d23218a56d484638692d56b3abd27e0b21b591)
Compare | [c0c5520b7b79747ca903a0ca59125bf3dede1307](https://github.com/dotnet/runtime/commit/c0c5520b7b79747ca903a0ca59125bf3dede1307)
Diff | [Diff](https://github.com/dotnet/runtime/compare/27d23218a56d484638692d56b3abd27e0b21b591...c0c5520b7b79747ca903a0ca59125bf3dede1307)
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>[MultipleSerial - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Buffers.Tests.RentReturnArrayPoolTests(Object).MultipleSerial(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#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> | 789.36 ns | 835.03 ns | 1.06 | 0.12 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Regression/System.Buffers.Tests.RentReturnArrayPoolTests%28Object%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_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;.MultipleSerial(RentalSize: 4096, ManipulateArray: False, Async: True, 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 | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [27d23218a56d484638692d56b3abd27e0b21b591](https://github.com/dotnet/runtime/commit/27d23218a56d484638692d56b3abd27e0b21b591)
Compare | [c0c5520b7b79747ca903a0ca59125bf3dede1307](https://github.com/dotnet/runtime/commit/c0c5520b7b79747ca903a0ca59125bf3dede1307)
Diff | [Diff](https://github.com/dotnet/runtime/compare/27d23218a56d484638692d56b3abd27e0b21b591...c0c5520b7b79747ca903a0ca59125bf3dede1307)
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>[Stack - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Collections.ContainsFalse(String).Stack(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsFalse.cs#L139-#L148>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 477.08 μs | 565.69 μs | 1.19 | 0.14 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Regression/System.Collections.ContainsFalse%28String%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.ContainsFalse&lt;String&gt;*'
```

<details>

### System.Collections.ContainsFalse&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 | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [27d23218a56d484638692d56b3abd27e0b21b591](https://github.com/dotnet/runtime/commit/27d23218a56d484638692d56b3abd27e0b21b591)
Compare | [c0c5520b7b79747ca903a0ca59125bf3dede1307](https://github.com/dotnet/runtime/commit/c0c5520b7b79747ca903a0ca59125bf3dede1307)
Diff | [Diff](https://github.com/dotnet/runtime/compare/27d23218a56d484638692d56b3abd27e0b21b591...c0c5520b7b79747ca903a0ca59125bf3dede1307)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Threading.Tests.Perf_CancellationToken

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[CreateLinkedTokenSource3 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Threading.Tests.Perf_CancellationToken.CreateLinkedTokenSource3.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Threading/Perf.CancellationToken.cs#L39-#L41>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 165.04 ns | 184.22 ns | 1.12 | 0.11 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Regression/System.Threading.Tests.Perf_CancellationToken_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Regression/System.Threading.Tests.Perf_CancellationToken.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Threading.Tests.Perf_CancellationToken*'
```

<details>

### System.Threading.Tests.Perf_CancellationToken.CreateLinkedTokenSource3

#### 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 | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [27d23218a56d484638692d56b3abd27e0b21b591](https://github.com/dotnet/runtime/commit/27d23218a56d484638692d56b3abd27e0b21b591)
Compare | [c0c5520b7b79747ca903a0ca59125bf3dede1307](https://github.com/dotnet/runtime/commit/c0c5520b7b79747ca903a0ca59125bf3dede1307)
Diff | [Diff](https://github.com/dotnet/runtime/compare/27d23218a56d484638692d56b3abd27e0b21b591...c0c5520b7b79747ca903a0ca59125bf3dede1307)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.Json.Tests.Utf8JsonReaderCommentsTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Utf8JsonReaderCommentParsing - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Text.Json.Tests.Utf8JsonReaderCommentsTests.Utf8JsonReaderCommentParsing(CommentHandling%3a%20Skip%2c%20SegmentSize%3a%200%2c%20TestCase%3a%20LongMultiLine).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Utf8JsonReader/Utf8JsonReader.Comments.Tests.cs#L51-#L62>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACn1STY/TMBC9V+p/GHpxK7JNWr5KkCVgWbGCrYTaAmeTTNoBx67sCdvC8t8Zt+mFA5exZzzz/N6zLTIwRgYNr9X6GBnb6QYPPP0QvZNd5Dj9zM0ipSs0NYZr37boOP7n7JMJkdx23Ke3xtVW8hLWP2ifwRq3qbymX1hCkUFCujZRkjvvtsvOMt2Rw4l6NRxY4WcaxiAEa8PI1OJ4XsyfXRVProrZpliUs1k5W0zn86fPX7ycPy6Ksigm/WTAvZdBVXt2yHnoXJq/4H4LxlW7dB6wiflOJMS8NeQuDZV3DW3TzUdnWqrGv5VI2pM1TN4tfY2qBMWEAWuVgVp17iO5OhWlO3j1JxF5j3xLkX2gyth3hs1X4l3CMYHEuThO/usUsrNUfYrZib1OIeup6vOS9cT0eZkMBw+wD/47VizeBsKYwduObL0RsWs2rXj+xdgO9clpLy5gWGEUo9/8xGC2OBzk+QPc70RIjwCPBJzFiwijEfubQ2W7GkcjyHO4OQikRfANNGQFS94WfCcPBfE0nAgFdPIhIPld7UxguBfVMD436AvNQ+Vt1zr9L93juR71ibf0MbFFrcQ+FKePfbpEE7uA6TepyV+e+hDvywIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 4.21 μs | 4.57 μs | 1.09 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Regression/System.Text.Json.Tests.Utf8JsonReaderCommentsTests_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Regression/System.Text.Json.Tests.Utf8JsonReaderCommentsTests.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.Tests.Utf8JsonReaderCommentsTests*'
```

<details>

### System.Text.Json.Tests.Utf8JsonReaderCommentsTests.Utf8JsonReaderCommentParsing(CommentHandling: Skip, SegmentSize: 0, TestCase: LongMultiLine)

#### 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	arm64
OS	Windows 10.0.22621
Queue	SurfaceWindows
Baseline	7b2de1e5ed6368c536ee646346e6fd81939e6fe6
Compare	d9c4c3e73dcf09435a3cc1cabb23584c9f24b504
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

[Perf] Windows/arm64: 5 Regressions on 4/21/2025 2:03:19 AM +00:00 #54820

Description

Run Information

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

Repro

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

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

Repro

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.ContainsFalse<String>

Repro

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Threading.Tests.Perf_CancellationToken

Repro

System.Threading.Tests.Perf_CancellationToken.CreateLinkedTokenSource3

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Text.Json.Tests.Utf8JsonReaderCommentsTests

Repro

System.Text.Json.Tests.Utf8JsonReaderCommentsTests.Utf8JsonReaderCommentParsing(CommentHandling: Skip, SegmentSize: 0, TestCase: LongMultiLine)

ETL Files

Histogram

JIT Disasms

Docs

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