[Perf] Windows/x64: 4 Regressions on 1/15/2025 2:36:03 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [73bcb1d808e906808f91780aa1af23208549426f](https://github.com/dotnet/runtime/commit/73bcb1d808e906808f91780aa1af23208549426f)
Compare | [1ce82e73932b8bc98f6395b0169c21f17f71268b](https://github.com/dotnet/runtime/commit/1ce82e73932b8bc98f6395b0169c21f17f71268b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/73bcb1d808e906808f91780aa1af23208549426f...1ce82e73932b8bc98f6395b0169c21f17f71268b)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.Json.Serialization.Tests.WriteJson&lt;SimpleStructWithProperties&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SerializeToStream - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Text.Json.Serialization.Tests.WriteJson(SimpleStructWithProperties).SerializeToStream(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#L89-#L95>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 237.37 ns | 255.82 ns | 1.08 | 0.27 | False | | |
|<ul><li>[SerializeToStream - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Text.Json.Serialization.Tests.WriteJson(SimpleStructWithProperties).SerializeToStream(Mode%3a%20SourceGen).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Serializer/WriteJson.cs#L89-#L95>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 178.89 ns | 203.17 ns | 1.14 | 0.39 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Regression/System.Text.Json.Serialization.Tests.WriteJson%28SimpleStructWithProperties%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Regression/System.Text.Json.Serialization.Tests.WriteJson%28SimpleStructWithProperties%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Regression/System.Text.Json.Serialization.Tests.WriteJson%28SimpleStructWithProperties%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;SimpleStructWithProperties&gt;*'
```

<details>

### System.Text.Json.Serialization.Tests.WriteJson&lt;SimpleStructWithProperties&gt;.SerializeToStream(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson&lt;SimpleStructWithProperties&gt;.SerializeToStream(Mode: SourceGen)

#### 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 10.0.22631
Queue | ViperWindows
Baseline | [73bcb1d808e906808f91780aa1af23208549426f](https://github.com/dotnet/runtime/commit/73bcb1d808e906808f91780aa1af23208549426f)
Compare | [1ce82e73932b8bc98f6395b0169c21f17f71268b](https://github.com/dotnet/runtime/commit/1ce82e73932b8bc98f6395b0169c21f17f71268b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/73bcb1d808e906808f91780aa1af23208549426f...1ce82e73932b8bc98f6395b0169c21f17f71268b)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.Json.Serialization.Tests.WriteJson&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SerializeObjectProperty - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Text.Json.Serialization.Tests.WriteJson(Int32).SerializeObjectProperty(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#L97-#L98>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 144.28 ns | 164.30 ns | 1.14 | 0.40 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Regression/System.Text.Json.Serialization.Tests.WriteJson%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Regression/System.Text.Json.Serialization.Tests.WriteJson%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.Text.Json.Serialization.Tests.WriteJson&lt;Int32&gt;*'
```

<details>

### System.Text.Json.Serialization.Tests.WriteJson&lt;Int32&gt;.SerializeObjectProperty(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 10.0.22631
Queue | ViperWindows
Baseline | [73bcb1d808e906808f91780aa1af23208549426f](https://github.com/dotnet/runtime/commit/73bcb1d808e906808f91780aa1af23208549426f)
Compare | [1ce82e73932b8bc98f6395b0169c21f17f71268b](https://github.com/dotnet/runtime/commit/1ce82e73932b8bc98f6395b0169c21f17f71268b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/73bcb1d808e906808f91780aa1af23208549426f...1ce82e73932b8bc98f6395b0169c21f17f71268b)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.Json.Serialization.Tests.ReadJson&lt;MyEventsListerViewModel&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[DeserializeFromReader - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Text.Json.Serialization.Tests.ReadJson(MyEventsListerViewModel).DeserializeFromReader(Mode%3a%20SourceGen).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Serializer/ReadJson.cs#L74-#L80>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 204.46 μs | 389.91 μs | 1.91 | 0.32 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Regression/System.Text.Json.Serialization.Tests.ReadJson%28MyEventsListerViewModel%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Regression/System.Text.Json.Serialization.Tests.ReadJson%28MyEventsListerViewModel%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.ReadJson&lt;MyEventsListerViewModel&gt;*'
```

<details>

### System.Text.Json.Serialization.Tests.ReadJson&lt;MyEventsListerViewModel&gt;.DeserializeFromReader(Mode: SourceGen)

#### 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 10.0.22631
Queue	ViperWindows
Baseline	73bcb1d808e906808f91780aa1af23208549426f
Compare	1ce82e73932b8bc98f6395b0169c21f17f71268b
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
SerializeToStream - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	237.37 ns	255.82 ns	1.08	0.27	False
SerializeToStream - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	178.89 ns	203.17 ns	1.14	0.39	False

[Perf] Windows/x64: 4 Regressions on 1/15/2025 2:36:03 PM +00:00 #111672

Description

Run Information

Regressions in System.Text.Json.Serialization.Tests.WriteJson<SimpleStructWithProperties>

Repro

System.Text.Json.Serialization.Tests.WriteJson<SimpleStructWithProperties>.SerializeToStream(Mode: Reflection)

ETL Files

Histogram

JIT Disasms

System.Text.Json.Serialization.Tests.WriteJson<SimpleStructWithProperties>.SerializeToStream(Mode: SourceGen)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Text.Json.Serialization.Tests.WriteJson<Int32>

Repro

System.Text.Json.Serialization.Tests.WriteJson<Int32>.SerializeObjectProperty(Mode: Reflection)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Text.Json.Serialization.Tests.ReadJson<MyEventsListerViewModel>

Repro

System.Text.Json.Serialization.Tests.ReadJson<MyEventsListerViewModel>.DeserializeFromReader(Mode: SourceGen)

ETL Files

Histogram

JIT Disasms

Docs

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