[Perf] Windows/x64: 12 Improvements on 5/28/2025 2:43:13 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [2a47838c6d353b783ca8466e40d7db756f2d2acf](https://github.com/dotnet/runtime/commit/2a47838c6d353b783ca8466e40d7db756f2d2acf)
Compare | [ffcd1c5442a0c6e5317efa46d6ce381003397476](https://github.com/dotnet/runtime/commit/ffcd1c5442a0c6e5317efa46d6ce381003397476)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2a47838c6d353b783ca8466e40d7db756f2d2acf...ffcd1c5442a0c6e5317efa46d6ce381003397476)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.Json.Serialization.Tests.WriteJson&lt;BinaryData&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 10.0.22631/ViperWindows/System.Text.Json.Serialization.Tests.WriteJson(BinaryData).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> | 95.20 ns | 83.08 ns | 0.87 | 0.31 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Text.Json.Serialization.Tests.WriteJson%28BinaryData%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Text.Json.Serialization.Tests.WriteJson%28BinaryData%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;BinaryData&gt;*'
```

<details>

### System.Text.Json.Serialization.Tests.WriteJson&lt;BinaryData&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 10.0.22631
Queue | ViperWindows
Baseline | [2a47838c6d353b783ca8466e40d7db756f2d2acf](https://github.com/dotnet/runtime/commit/2a47838c6d353b783ca8466e40d7db756f2d2acf)
Compare | [ffcd1c5442a0c6e5317efa46d6ce381003397476](https://github.com/dotnet/runtime/commit/ffcd1c5442a0c6e5317efa46d6ce381003397476)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2a47838c6d353b783ca8466e40d7db756f2d2acf...ffcd1c5442a0c6e5317efa46d6ce381003397476)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.Json.Serialization.Tests.ReadJson&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[DeserializeFromUtf8Bytes - 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(Int32).DeserializeFromUtf8Bytes(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#L70-#L72>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RTXPTMBC9Zyb/YclFyeDabtKSjkEM9IMCnV6SAGdhr2MxspSR1m0C5b+zip0Ll9VIevv2vbcGCQgDgYQPYn0IhG26wT2lX4Oz6Rq9Vkb/VqT5tmFcSFeoqvj57oulxfx9eothQOEn79pvVF9dH5hy+ugqLGDtOl/iPdqZeDseGR6nakLP8ypFSLrF6TyfX57lF2f5YnO+KPI3Rb5Ml/nyfHF18TrPizyfDZ0ed44bReXIImW+s7H/xPvTK1s28d9jHbKGdYasVdqeAKWztd7GyQerWl1O/4gb1+60OdqLckUBgjR6rEQCYtXZB22r+Mho78TfKOQe6bMO5LwulblVpH5oaiKP8ppjCdMYp4wl6a3KY02O6mUsySBV9kcyCJP9MRuPXmDn3S8sCeICMCRw3WlTbdjsmlS7S+C7Mh3KuJAbxymgX2HoDH18Qq+2OB5l2Qs8N2xkYIBXTE6cRYDJhNzdvjRdhZMJZBnc7ZnSILgaam2YS9stuI4XBXGzGKIgj7bircW8y0Z5gmd2DdMeIE8y96UzXWvl/3IP/XuQR92MI00GpeD4kJM+DNdHVKHz2KIlMfsHN2yASZoCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 51.34 ns | 42.92 ns | 0.84 | 0.06 | False | | |
|<ul><li>[DeserializeFromUtf8Bytes - 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(Int32).DeserializeFromUtf8Bytes(Mode%3a%20Reflection).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Serializer/ReadJson.cs#L70-#L72>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 51.72 ns | 42.49 ns | 0.82 | 0.07 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Text.Json.Serialization.Tests.ReadJson%28Int32%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Text.Json.Serialization.Tests.ReadJson%28Int32%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Text.Json.Serialization.Tests.ReadJson%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.ReadJson&lt;Int32&gt;*'
```

<details>

### System.Text.Json.Serialization.Tests.ReadJson&lt;Int32&gt;.DeserializeFromUtf8Bytes(Mode: SourceGen)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.ReadJson&lt;Int32&gt;.DeserializeFromUtf8Bytes(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 | [2a47838c6d353b783ca8466e40d7db756f2d2acf](https://github.com/dotnet/runtime/commit/2a47838c6d353b783ca8466e40d7db756f2d2acf)
Compare | [ffcd1c5442a0c6e5317efa46d6ce381003397476](https://github.com/dotnet/runtime/commit/ffcd1c5442a0c6e5317efa46d6ce381003397476)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2a47838c6d353b783ca8466e40d7db756f2d2acf...ffcd1c5442a0c6e5317efa46d6ce381003397476)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Net.Primitives.Tests.CredentialCacheTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetCredential_HostPort - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host%3a%20%22notfound%22%2c%20hostPortCount%3a%2010).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Net.Primitives/CredentialCacheTests.cs#L43-#L52>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 37.01 ns | 26.20 ns | 0.71 | 0.33 | False | | |
|<ul><li>[GetCredential_HostPort - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host%3a%20%22notfound%22%2c%20hostPortCount%3a%200).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Net.Primitives/CredentialCacheTests.cs#L43-#L52>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 23.72 ns | 5.93 ns | 0.25 | 0.43 | False | | |
|<ul><li>[GetCredential_HostPort - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host%3a%20%22name5%22%2c%20hostPortCount%3a%2010).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Net.Primitives/CredentialCacheTests.cs#L43-#L52>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 40.37 ns | 29.20 ns | 0.72 | 0.21 | False | | |
|<ul><li>[GetCredential_Uri - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_Uri(uriString%3a%20%22http%3a%2f%2fnotfound%22%2c%20uriCount%3a%200).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Net.Primitives/CredentialCacheTests.cs#L32-#L41>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 65.02 ns | 48.33 ns | 0.74 | 0.39 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Net.Primitives.Tests.CredentialCacheTests_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Net.Primitives.Tests.CredentialCacheTests_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Net.Primitives.Tests.CredentialCacheTests_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Net.Primitives.Tests.CredentialCacheTests_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Net.Primitives.Tests.CredentialCacheTests.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.Net.Primitives.Tests.CredentialCacheTests*'
```

<details>

### System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host: "notfound", hostPortCount: 10)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host: "notfound", hostPortCount: 0)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host: "name5", hostPortCount: 10)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_Uri(uriString: "http://notfound", uriCount: 0)

#### 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 | [2a47838c6d353b783ca8466e40d7db756f2d2acf](https://github.com/dotnet/runtime/commit/2a47838c6d353b783ca8466e40d7db756f2d2acf)
Compare | [ffcd1c5442a0c6e5317efa46d6ce381003397476](https://github.com/dotnet/runtime/commit/ffcd1c5442a0c6e5317efa46d6ce381003397476)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2a47838c6d353b783ca8466e40d7db756f2d2acf...ffcd1c5442a0c6e5317efa46d6ce381003397476)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.ContainsTrue&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ICollection - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Collections.ContainsTrue(Int32).ICollection(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrue.cs#L89-#L91>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.93 μs | 5.47 μs | 0.69 | 0.27 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Collections.ContainsTrue%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Collections.ContainsTrue%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.ContainsTrue&lt;Int32&gt;*'
```

<details>

### System.Collections.ContainsTrue&lt;Int32&gt;.ICollection(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 10.0.22631
Queue | ViperWindows
Baseline | [2a47838c6d353b783ca8466e40d7db756f2d2acf](https://github.com/dotnet/runtime/commit/2a47838c6d353b783ca8466e40d7db756f2d2acf)
Compare | [ffcd1c5442a0c6e5317efa46d6ce381003397476](https://github.com/dotnet/runtime/commit/ffcd1c5442a0c6e5317efa46d6ce381003397476)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2a47838c6d353b783ca8466e40d7db756f2d2acf...ffcd1c5442a0c6e5317efa46d6ce381003397476)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Ctor - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas.Ctor(Pattern%3a%20%22%5b%5c%5cw%5d%2b%3a%2f%2f%5b%5e%2f%5c%5cs%3f%23%5d%2b%5b%5e%5c%5cs%3f%23%5d%2b(%3f%3a%5c%5c%3f%5b%5e%5c%5cs%23%5d*)%3f(%3f%3a%23%5b%5e%5c%5cs%5d*)%3f%22%2c%20Options%3a%20Compiled).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.RegularExpressions/Perf.Regex.Industry.cs#L69-#L70>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl2RwY7aMBCG70i8gxsOCSVLAksPpIpou0XbqkJdAWoPhEVuMoBbx0b2pAR1++4dh3DpxfbYM7+/+UcCMgSLLGXv/NXFIpTDNdQ4XMKhktzM65MBa4VWlu4t2uETmP2OXqHefVZFZdFcdgtuhC5/cTt8QG2CJ44IRiXM22TZeTtIomjzHGWZnfW2g81zewhmSZbNmrC3fd2fUdxrIhd4Ift6Qvdtwh50eRISir7/ttuRBMz3JE/EBUdAUUIwjsdv7uLJXXy/Ht0nk1EyHg2nk+l0OhoP4jiJ435baeCkqdAvNCrAyFTK1d90fxiu8qN7N7C30RF4YaOSC3VLyLXai4P7+aJ4KfLgj3+F4w51oQvwE+ajAAOFHzJ/WakvQhXukrKN9v86kEfAT8KSUSLn8iNH/l3g0emQi5Y6DtxAUreE11bTZg0b+tQtYYuaXrewBUuvW7/beWEno39CjmwFRoAN2YdKyGJNza6Ql6eQfeOygtSN9EGTC2CWYCuJ73+D4QfodqLohZ2P1EirwF6ROJIXlnke6nmdy6oAz2NRxOY1SUpges/2QpKWUAemKxoUs02xAzKgCpqa8zs/coPsTF2z4JqQ3jDrXMuqVOn/uJfrvU0bbspDgRJSn+wDcvrShgvgtjJQgkK//w964oGH3AIAAAAAAAA=>)</li></ul> | 29.17 μs | 15.76 μs | 0.54 | 0.64 | False | | |
|<ul><li>[Ctor - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas.Ctor(Pattern%3a%20%22(%3f%3a(%3f%3a25%5b0-5%5d%7c2%5b0-4%5d%5b0-9%5d%7c%5b01%5d%3f%5b0-9%5d%5b0-9%5d)%5c%5c.)%7b3%7d(%3f%3a25%5b0-5%5d%7c2%5b0-4%5d%5b0-9%5d%7c%5b01%5d%3f%5b0-9%5d%5b0-9%5d)%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#L69-#L70>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 144.99 μs | 102.92 μs | 0.71 | 0.34 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas.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.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas*'
```

<details>

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas.Ctor(Pattern: "[\\w]+://[^/\\s?#]+[^\\s?#]+(?:\\?[^\\s#]*)?(?:#[^\\s]*)?", Options: Compiled)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas.Ctor(Pattern: "(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9])\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9])", 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 | Windows 10.0.22631
Queue | ViperWindows
Baseline | [2a47838c6d353b783ca8466e40d7db756f2d2acf](https://github.com/dotnet/runtime/commit/2a47838c6d353b783ca8466e40d7db756f2d2acf)
Compare | [ffcd1c5442a0c6e5317efa46d6ce381003397476](https://github.com/dotnet/runtime/commit/ffcd1c5442a0c6e5317efa46d6ce381003397476)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2a47838c6d353b783ca8466e40d7db756f2d2acf...ffcd1c5442a0c6e5317efa46d6ce381003397476)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Threading.Tests.Perf_Lock

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ReaderWriterLockSlimPerf - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Threading.Tests.Perf_Lock.ReaderWriterLockSlimPerf.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Threading/Perf.Lock.cs#L15-#L22>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 13.90 ns | 10.71 ns | 0.77 | 0.36 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Threading.Tests.Perf_Lock_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Threading.Tests.Perf_Lock.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_Lock*'
```

<details>

### System.Threading.Tests.Perf_Lock.ReaderWriterLockSlimPerf

#### 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 | [2a47838c6d353b783ca8466e40d7db756f2d2acf](https://github.com/dotnet/runtime/commit/2a47838c6d353b783ca8466e40d7db756f2d2acf)
Compare | [ffcd1c5442a0c6e5317efa46d6ce381003397476](https://github.com/dotnet/runtime/commit/ffcd1c5442a0c6e5317efa46d6ce381003397476)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2a47838c6d353b783ca8466e40d7db756f2d2acf...ffcd1c5442a0c6e5317efa46d6ce381003397476)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.Json.Serialization.Tests.ReadJson&lt;Nullable&lt;DateTimeOffset&gt;&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[DeserializeFromStream - 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(Nullable(DateTimeOffset)).DeserializeFromStream(Mode%3a%20Reflection).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Serializer/ReadJson.cs#L82-#L89>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 268.59 ns | 251.25 ns | 0.94 | 0.11 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Text.Json.Serialization.Tests.ReadJson%28Nullable%28DateTimeOffset%29%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Text.Json.Serialization.Tests.ReadJson%28Nullable%28DateTimeOffset%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.ReadJson&lt;Nullable&lt;DateTimeOffset&gt;&gt;*'
```

<details>

### System.Text.Json.Serialization.Tests.ReadJson&lt;Nullable&lt;DateTimeOffset&gt;&gt;.DeserializeFromStream(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>

Name	Value
Architecture	x64
OS	Windows 10.0.22631
Queue	ViperWindows
Baseline	2a47838c6d353b783ca8466e40d7db756f2d2acf
Compare	ffcd1c5442a0c6e5317efa46d6ce381003397476
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
DeserializeFromUtf8Bytes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	51.34 ns	42.92 ns	0.84	0.06	False
DeserializeFromUtf8Bytes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	51.72 ns	42.49 ns	0.82	0.07	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
GetCredential_HostPort - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	37.01 ns	26.20 ns	0.71	0.33	False
GetCredential_HostPort - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	23.72 ns	5.93 ns	0.25	0.43	False
GetCredential_HostPort - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	40.37 ns	29.20 ns	0.72	0.21	False
GetCredential_Uri - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	65.02 ns	48.33 ns	0.74	0.39	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Ctor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	29.17 μs	15.76 μs	0.54	0.64	False
Ctor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	144.99 μs	102.92 μs	0.71	0.34	False

[Perf] Windows/x64: 12 Improvements on 5/28/2025 2:43:13 PM +00:00 #56702

Description

Run Information

Improvements in System.Text.Json.Serialization.Tests.WriteJson<BinaryData>

Repro

System.Text.Json.Serialization.Tests.WriteJson<BinaryData>.SerializeToWriter(Mode: Reflection)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Text.Json.Serialization.Tests.ReadJson<Int32>

Repro

System.Text.Json.Serialization.Tests.ReadJson<Int32>.DeserializeFromUtf8Bytes(Mode: SourceGen)

ETL Files

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System.Text.Json.Serialization.Tests.ReadJson<Int32>.DeserializeFromUtf8Bytes(Mode: Reflection)

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Improvements in System.Net.Primitives.Tests.CredentialCacheTests

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System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host: "notfound", hostPortCount: 10)

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System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host: "notfound", hostPortCount: 0)

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System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host: "name5", hostPortCount: 10)

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System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_Uri(uriString: "http://notfound", uriCount: 0)

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Improvements in System.Collections.ContainsTrue<Int32>

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System.Collections.ContainsTrue<Int32>.ICollection(Size: 512)

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Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas

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System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas.Ctor(Pattern: "[\w]+://[^/\\s?#]+[^\\s?#]+(?:\?[^\\s#])?(?:#[^\\s])?", Options: Compiled)

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System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas.Ctor(Pattern: "(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9])", Options: NonBacktracking)

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Improvements in System.Threading.Tests.Perf_Lock

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System.Threading.Tests.Perf_Lock.ReaderWriterLockSlimPerf

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Improvements in System.Text.Json.Serialization.Tests.ReadJson<Nullable<DateTimeOffset>>

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System.Text.Json.Serialization.Tests.ReadJson<Nullable<DateTimeOffset>>.DeserializeFromStream(Mode: Reflection)

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