[Perf] Windows/arm64: 60 Improvements on 4/21/2025 2:03:19 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [f2821e1c391ac04c83a37cfc98437f0a4af30cf4](https://github.com/dotnet/runtime/commit/f2821e1c391ac04c83a37cfc98437f0a4af30cf4)
Compare | [fd33f03efdff93f39d88c7d30de2be6f59bb3106](https://github.com/dotnet/runtime/commit/fd33f03efdff93f39d88c7d30de2be6f59bb3106)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f2821e1c391ac04c83a37cfc98437f0a4af30cf4...fd33f03efdff93f39d88c7d30de2be6f59bb3106)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Memory.ReadOnlySpan

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IndexOfString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Memory.ReadOnlySpan.IndexOfString(input%3a%20%22foobardzsdzs%22%2c%20value%3a%20%22rddzs%22%2c%20comparisonType%3a%20InvariantCulture).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/ReadOnlySpan.cs#L45-#L65>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 39.35 ns | 34.63 ns | 0.88 | 0.06 | False | | |
|<ul><li>[IndexOfString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Memory.ReadOnlySpan.IndexOfString(input%3a%20%22string1%22%2c%20value%3a%20%22string2%22%2c%20comparisonType%3a%20InvariantCulture).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/ReadOnlySpan.cs#L45-#L65>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 30.96 ns | 27.42 ns | 0.89 | 0.01 | False | | |
|<ul><li>[IndexOfString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Memory.ReadOnlySpan.IndexOfString(input%3a%20%22Hello%20WorldbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbareallyreallylongHello%20WorldbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbareallyreallylongHello%20Worldbbbbbbbbbbbbbbbbbbb.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/ReadOnlySpan.cs#L45-#L65>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACq1SwW7bMAy9B8g/sL44wdzYzVqsyyBgW1asxRAESIL1rNp0okGWDIpu4q3799FxssMuw4DpQFkUH/XeMy0yMAYGBe/jdRsYq8kCK0/tZIW6WDrbrmvtJg+uwMOyXDMZtx0ZVzc8g+gerfXw6MkWT39ZmlBb2/bRerf9B+x/Bl8c2u9RAs/aNigi9vKd+6rWZIJ3m7aW5JIK47R92DpPONcBx/G74cCKWbpkJHGr0IxsKhxNs+nNZfb6MrvaZLezq+tZlk3eTqdvrm9vXmWZnMYnJGHtBRgXnh1ySo3r8Oe+T6RdvuvuCcuQ7sT8kFbauHNB7l1ptt3LrdOVyUc/4rmwNlaz8W7hC4xnELNBwiJOIF417otxRZeUavLxz47IZ+R7E9iTybX9pFk/Gt7Nf6sPo24YVBeSXqo6xuTIXnUhOVFV/ZaciKl+Gw8HL1CT/4Y5wxrJYEjgY2NssRGxa9ZVncDXznm1kUfmXlxAWmFoLH94RtJbHA7S9AX2OxFy6gAX0pzFiwBRxP7ukNumwCiCNIW7g7S0CL6E0ljpJfMJvpEfBeEI7ggRyvgSdH7nO00Me1ENo75AnWkecm+byqk/6bZ9Pqgjb6ljwxZVLPahON2ejgvUoSGs0HE8/gXwKxk/WAMAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 12.84 ns | 10.43 ns | 0.81 | 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_Improvement/System.Memory.ReadOnlySpan_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Memory.ReadOnlySpan_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Memory.ReadOnlySpan_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Memory.ReadOnlySpan.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.Memory.ReadOnlySpan*'
```

<details>

### System.Memory.ReadOnlySpan.IndexOfString(input: "foobardzsdzs", value: "rddzs", comparisonType: InvariantCulture)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.ReadOnlySpan.IndexOfString(input: "string1", value: "string2", comparisonType: InvariantCulture)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.ReadOnlySpan.IndexOfString(input: "Hello WorldbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbareallyreallylongHello WorldbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbareallyreallylongHello Worldbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbareallyreallylong!xyz", value: "w", comparisonType: OrdinalIgnoreCase)

#### 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


### Improvements in System.Text.Tests.Perf_Encoding

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetBytes - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Text.Tests.Perf_Encoding.GetBytes(size%3a%2016%2c%20encName%3a%20%22utf-8%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encoding/Perf.Encoding.cs#L33-#L35>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 29.39 ns | 25.80 ns | 0.88 | 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_Improvement/System.Text.Tests.Perf_Encoding_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_Improvement/System.Text.Tests.Perf_Encoding.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.Tests.Perf_Encoding*'
```

<details>

### System.Text.Tests.Perf_Encoding.GetBytes(size: 16, encName: "utf-8")

#### 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


### Improvements in System.Tests.Perf_String

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Replace_String - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Tests.Perf_String.Replace_String(text%3a%20%22This%20is%20a%20very%20nice%20sentence.%20This%20is%20another%20very%20nice%20sentence.%22%2c%20oldValue%3a%20%22a%22%2c%20newValue%3a%20%22b%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L183-#L190>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACm1SUWvbMBB+D+Q/3PyihLm2m3ZheAi2dWWDUShJ2B6HKp9jDVkK0nlJaPffd0qcPYyBOHHS3afvvk8WCQgjgYT3Yn2MhH2x4TwWjxjaH2sKxm2LFe6s0jimM8ID1ZBtOhOBl4JfGI7gjEaI6AidxgL+3jpPHYb/1WQ5eNt8U3ZAhlOcOtxf0qdsLt5NJ5YJqpYYQEKjCMn0OFtUizdX1c1Vdb2p3tbXy7paFovlorpd3L6uqrqq5mNnwJ3nRtF4ckhlGFzqv+A+BeV0l+4DtrHsUDWx7JVxlwLtXWu26eWjU73Rs2dx5/udsYqMdw++QVGDIIMBG5GDWA3uq3FNOuTq4MXvROQz0hcTyQejlf2kSH031CUcFUz0LrKekWQK+XlUeYr5ib1MIR+pyvOWj8TkeZtPJy+wC/4naoI1BoMxh4+Dsc2Gh12T6nc5nGSVydo7zypgWGEcLH1gW9QWp5OyfIE9+4QjArxicGItImQZ+fuDtkODWQZlCfcHhrQIvoXWWMbiTwF+YKPY29ScCAV0DbuW9NadCgR7nhpm5wJ5oXnQ3g69k//SPZ7Pozzx5joyZFEKlg9Z6eOYPqCKQ8Cef5SY/wFT/WNBzAIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 37.96 ns | 33.13 ns | 0.87 | 0.01 | False | | |
|<ul><li>[Replace_String - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Tests.Perf_String.Replace_String(text%3a%20%22This%20is%20a%20very%20nice%20sentence%22%2c%20oldValue%3a%20%22nice%22%2c%20newValue%3a%20%22bad%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L183-#L190>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 72.65 ns | 67.20 ns | 0.92 | 0.03 | False | | |
|<ul><li>[Replace_Char - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Tests.Perf_String.Replace_Char(text%3a%20%22Hello%22%2c%20oldChar%3a%20%27l%27%2c%20newChar%3a%20%27!%27).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L167-#L171>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RwW7bMAy9B8g/sL4owdzYTbti8yBgW1a0wFBgSILtWGgWHWuQpUCilwTr/n1U7Fx2oUCKfHx8zyIBYSSQ8FFsTpGwW2w5j4tvGJqXDQXjdos17q2q8WXVqjAjPFIF2RNa67McvNWpXIEQVogcHB4u+ZUQc/FhOrG8RDWEgbdoRUimw9myXL69Lm+vy5tt+a66ua+W94s7rr2/vXtTllVZzsfJgHvPg0J7ckhF6F2av+D+DMrVbfoP2MSiRaVj0SnjLg21d43Zpc0npzpTz/6Ile/2xioy3j17jYK5ksGAmumLde++GqdTkbuDF38TkUekJxPJB1Mr+0WR+mGoTTgqmOhdZFUiyRTy4VR5jvmZvUwhH6nK4clHYnJ45tPJK+yD/4U1wQaDwZjD595YveVjN6S6fQ7fle1RJntWnlXAsMbYW/r0G4Pa4XRSFK9waPmQEQGuGJxYiwhZRv7hWNteY5ZBUcDDkSEtgm+gMZax2GfwPRsF8TycCAV0ml1LetfsKcGBr4bZ0CAvNI+1t33n5P90T0M9yjNv7iNDFqVg+ZCVPo3pM6rYB+zQkZj/A1xLOTyQAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 19.32 ns | 17.76 ns | 0.92 | 0.08 | False | | |
|<ul><li>[Trim_CharArr - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Tests.Perf_String.Trim_CharArr(s%3a%20%22Test%20%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> | 18.94 ns | 16.31 ns | 0.86 | 0.08 | False | | |
|<ul><li>[TrimEnd_CharArr - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Tests.Perf_String.TrimEnd_CharArr(s%3a%20%22Test%20%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#L160-#L165>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 16.86 ns | 14.39 ns | 0.85 | 0.09 | False | | |
|<ul><li>[Trim_CharArr - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Tests.Perf_String.Trim_CharArr(s%3a%20%22%20Test%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> | 18.45 ns | 16.93 ns | 0.92 | 0.06 | False | | |
|<ul><li>[Trim_CharArr - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/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> | 7.92 ns | 6.18 ns | 0.78 | 0.31 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Tests.Perf_String_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Tests.Perf_String_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Tests.Perf_String_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Tests.Perf_String_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Tests.Perf_String_005.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Tests.Perf_String_006.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Tests.Perf_String_007.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/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.Replace_String(text: "This is a very nice sentence. This is another very nice sentence.", oldValue: "a", newValue: "b")

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_String.Replace_String(text: "This is a very nice sentence", oldValue: "nice", newValue: "bad")

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_String.Replace_Char(text: "Hello", oldChar: 'l', newChar: '!')

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_String.Trim_CharArr(s: "Test ", c: [' ', ' '])

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_String.TrimEnd_CharArr(s: "Test ", c: [' ', ' '])

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_String.Trim_CharArr(s: " Test", c: [' ', ' '])

#### 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 | arm64
OS | Windows 10.0.22621
Queue | SurfaceWindows
Baseline | [f2821e1c391ac04c83a37cfc98437f0a4af30cf4](https://github.com/dotnet/runtime/commit/f2821e1c391ac04c83a37cfc98437f0a4af30cf4)
Compare | [fd33f03efdff93f39d88c7d30de2be6f59bb3106](https://github.com/dotnet/runtime/commit/fd33f03efdff93f39d88c7d30de2be6f59bb3106)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f2821e1c391ac04c83a37cfc98437f0a4af30cf4...fd33f03efdff93f39d88c7d30de2be6f59bb3106)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.Json.Serialization.Tests.WriteJson&lt;Dictionary&lt;String, String&gt;&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SerializeToUtf8Bytes - 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.Serialization.Tests.WriteJson(Dictionary(String%2c%20String)).SerializeToUtf8Bytes(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#L78-#L79>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 8.78 μs | 8.03 μs | 0.91 | 0.04 | False | | |
|<ul><li>[SerializeToUtf8Bytes - 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.Serialization.Tests.WriteJson(Dictionary(String%2c%20String)).SerializeToUtf8Bytes(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#L78-#L79>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RTW/bMAy9B8h/4HJRgrm2m+wj9api6wc2bOglydazZtOJBlkKJHqNt/a/l7KTHXYhIYrv8fHRIAFhIJDwUay7QNikGzxQ+jU4m67Ra2X0H0WaXxvuC+mD14Tx9/JWl7GufHe5Jq/tNoEhX139Q+LGfad6ed3xkOm9q7CAFdYGe+RMfBiPDCtQNaFnCZUiJN3gdJ7P357li7P8fJMvi/P3xXyZLt8sLt5dLF7neZHnsyPS494xUFSOLFLmWxvxJ96fXtlyF/891iHboapC1ihtTw2ls7XexsmdVY0up3/FjWv22vQbR72iAEEaPVYiAbFq7Tdtq1jkbu/EcxTyGemLDuS8LpW5VaQeNO0ij/KajQrT6LCMIRlWlX1MevUyhuQoVQ4pOQqTQ5qNR0+w9+4X2wbRWQwJXLfaVBtedk2q2SfwQ5kWZbzRjWMX0K8wtIY+/UavtjgeZdkTPO54kSMDvGJyYi8CTCbk7g6laSucTCDL4O7AlAbB1VBrw1x8VHAtHwpCD46CPNqKrxb9LnfKEzzy1jAdGuRJ5qF0pm2s/F9uN9SD7HVzH2kyKAXbh+x0d3zeowqtxwYtidkLlg5Kwq0CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 9.70 μs | 8.47 μs | 0.87 | 0.01 | False | | |
|<ul><li>[SerializeObjectProperty - 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.Serialization.Tests.WriteJson(Dictionary(String%2c%20String)).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> | 11.07 μs | 9.98 μs | 0.90 | 0.02 | False | | |
|<ul><li>[SerializeObjectProperty - 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.Serialization.Tests.WriteJson(Dictionary(String%2c%20String)).SerializeObjectProperty(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#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> | 10.33 μs | 9.27 μs | 0.90 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Text.Json.Serialization.Tests.WriteJson%28Dictionary%28String%2C%20String%29%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Text.Json.Serialization.Tests.WriteJson%28Dictionary%28String%2C%20String%29%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Text.Json.Serialization.Tests.WriteJson%28Dictionary%28String%2C%20String%29%29_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Text.Json.Serialization.Tests.WriteJson%28Dictionary%28String%2C%20String%29%29_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Text.Json.Serialization.Tests.WriteJson%28Dictionary%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;Dictionary&lt;String, String&gt;&gt;*'
```

<details>

### System.Text.Json.Serialization.Tests.WriteJson&lt;Dictionary&lt;String, String&gt;&gt;.SerializeToUtf8Bytes(Mode: SourceGen)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson&lt;Dictionary&lt;String, String&gt;&gt;.SerializeToUtf8Bytes(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson&lt;Dictionary&lt;String, String&gt;&gt;.SerializeObjectProperty(Mode: Reflection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Serialization.Tests.WriteJson&lt;Dictionary&lt;String, String&gt;&gt;.SerializeObjectProperty(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 | 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


### Improvements in System.Text.Json.Tests.Perf_DateTimes

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[WriteDateTimes - 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.Perf_DateTimes.WriteDateTimes(Formatted%3a%20True%2c%20SkipValidation%3a%20True).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Utf8JsonWriter/Perf.DateTimes.cs#L41-#L57>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.41 ms | 6.58 ms | 0.89 | 0.03 | False | | |
|<ul><li>[WriteDateTimes - 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.Perf_DateTimes.WriteDateTimes(Formatted%3a%20True%2c%20SkipValidation%3a%20False).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Utf8JsonWriter/Perf.DateTimes.cs#L41-#L57>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.43 ms | 6.67 ms | 0.90 | 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_Improvement/System.Text.Json.Tests.Perf_DateTimes_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Text.Json.Tests.Perf_DateTimes_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Text.Json.Tests.Perf_DateTimes.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.Perf_DateTimes*'
```

<details>

### System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: True, SkipValidation: True)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: True, SkipValidation: 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


### Improvements in BenchmarksGame.KNucleotide_1

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[RunBench - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/BenchmarksGame.KNucleotide_1.RunBench.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/BenchmarksGame/k-nucleotide-1.cs#L90-#L95>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 375.41 ms | 319.78 ms | 0.85 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/BenchmarksGame.KNucleotide_1_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_Improvement/BenchmarksGame.KNucleotide_1.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 'BenchmarksGame.KNucleotide_1*'
```

<details>

### BenchmarksGame.KNucleotide_1.RunBench

#### 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 | [f2821e1c391ac04c83a37cfc98437f0a4af30cf4](https://github.com/dotnet/runtime/commit/f2821e1c391ac04c83a37cfc98437f0a4af30cf4)
Compare | [fd33f03efdff93f39d88c7d30de2be6f59bb3106](https://github.com/dotnet/runtime/commit/fd33f03efdff93f39d88c7d30de2be6f59bb3106)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f2821e1c391ac04c83a37cfc98437f0a4af30cf4...fd33f03efdff93f39d88c7d30de2be6f59bb3106)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Tests.Perf_Int32

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ToStringHex - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Tests.Perf_Int32.ToStringHex(value%3a%2012345).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Int32.cs#L33-#L36>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 18.96 ns | 17.03 ns | 0.90 | 0.05 | False | | |
|<ul><li>[ToStringHex - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Tests.Perf_Int32.ToStringHex(value%3a%20-2147483648).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Int32.cs#L33-#L36>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 22.01 ns | 20.12 ns | 0.91 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Tests.Perf_Int32_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Tests.Perf_Int32_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Tests.Perf_Int32.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_Int32*'
```

<details>

### System.Tests.Perf_Int32.ToStringHex(value: 12345)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_Int32.ToStringHex(value: -2147483648)

#### 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


### Improvements in System.Reflection.Invoke

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[StaticMethod5_ByRefParams_int_string_struct_class_bool_MethodInvoker - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Reflection.Invoke.StaticMethod5_ByRefParams_int_string_struct_class_bool_MethodInvoker.html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 282.25 ns | 264.90 ns | 0.94 | 0.09 | False | | |
|<ul><li>[Field_Get_struct - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Reflection.Invoke.Field_Get_struct.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/System.Reflection/Invoke.cs#L412-#L419>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RTW8TMRC9R8p/GHJxIrbZTSAIgiwBpXwI9ZJEcKzMejZr8NqRPW4T0f73jrObC5cZ2Z73/N4biwSEkUDCB7E9RcJuvsHGYk3Gu/l3d+//4vyLQavvviLdRQqpJvF+PLKMVA1hYKhWhGQ6nC6r5eqqenVVLXbV2/Vyua5W8+rdm9XrxeJlVa2rajYgAx48A4X25JDKkFzGX3h/B+XqNr8HbGLZotKx7JRxl4Hau8bs888npzpTT/+Ja98djFVZ9q3XKNYgyGBALQoQm+R+GKfzJU8HL56yEDb0zUTywdTKflakfhlqM48KJnoXpzkZmUvRW5XnWpzVy1yKQarsWzEIk32bjUePcAj+D6cJWwwGYwGfkrF6x2a3pLpDAT+VTSh3/Mm15xQwbDAmSx/vMag9jkdl+QgPLRsZGOAFkxNnEWEyIX9zrG3SOJlAWcLNkSktgm+gMZa5jNuDT7woiGdwFhTQad5azrtuVSB4YNcw7QfkReax9jZ1Tv4v99TfR3nWzXNkyKIUHB9y0qfheIsqpoAdOhKzZ/Ciom1lAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 63.09 ns | 54.05 ns | 0.86 | 0.09 | False | | |
|<ul><li>[Ctor0_NoParams - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Reflection.Invoke.Ctor0_NoParams.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/System.Reflection/Invoke.cs#L261-#L268>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 18.01 ns | 15.83 ns | 0.88 | 0.35 | False | | |
|<ul><li>[Property_Get_int - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Reflection.Invoke.Property_Get_int.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/System.Reflection/Invoke.cs#L339-#L346>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 22.68 ns | 19.51 ns | 0.86 | 0.36 | False | | |
|<ul><li>[Property_Get_class - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Reflection.Invoke.Property_Get_class.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/System.Reflection/Invoke.cs#L348-#L355>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 17.29 ns | 14.03 ns | 0.81 | 0.03 | False | | |
|<ul><li>[Property_Set_int - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Reflection.Invoke.Property_Set_int.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/System.Reflection/Invoke.cs#L357-#L364>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 32.17 ns | 26.43 ns | 0.82 | 0.03 | False | | |
|<ul><li>[StaticMethod4_int_string_struct_class - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/SurfaceWindows/System.Reflection.Invoke.StaticMethod4_int_string_struct_class.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/System.Reflection/Invoke.cs#L179-#L186>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 51.20 ns | 47.34 ns | 0.92 | 0.06 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Reflection.Invoke_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Reflection.Invoke_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Reflection.Invoke_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Reflection.Invoke_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Reflection.Invoke_005.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Reflection.Invoke_006.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Reflection.Invoke_007.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Reflection.Invoke.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.Reflection.Invoke*'
```

<details>

### System.Reflection.Invoke.StaticMethod5_ByRefParams_int_string_struct_class_bool_MethodInvoker

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Reflection.Invoke.Field_Get_struct

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Reflection.Invoke.Ctor0_NoParams

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Reflection.Invoke.Property_Get_int

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Reflection.Invoke.Property_Get_class

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Reflection.Invoke.Property_Set_int

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Reflection.Invoke.StaticMethod4_int_string_struct_class

#### 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


### Improvements in System.Text.Json.Tests.Perf_Guids

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[WriteGuids - 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.Perf_Guids.WriteGuids(Formatted%3a%20False%2c%20SkipValidation%3a%20False).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Utf8JsonWriter/Perf.Guids.cs#L39-#L55>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RTW8TMRC9R8p/GHJxIra7blokGmQJKG0RqBJqInpEZj2bNXjtyJ6liSj/nfFmc+llxp6PN2/eOCQgTAQK3ov1IRF25Qb3VH5JwfMrUSq/YWx+3PXWpPIxWsLhOb8NsdNEaFZwq13CAta/7e67dtZossGP4YV4N504nqIbwshjOItkO5wv5fLNmbw4k+cb+Xa1vFzJ8/JCyqulvHot5UrKxdgZcRe4UZhAHqmKvc/9J9yfUfu6zfmITapa1CZVnbb+VFAH39htnnzwurP1/K+4Dt3OuoHmfTAoViDIYkQjChAPvf9qvclBro5B/MtE7pA+20Qh2lq7T5r0o6U24+hoWao0zyqqbIrjqmqwxcBeZVOMVNXRFSMxdXSL6eQZdjH8wppgjdFiKuBjb53Z8LJr0t2uAFa3R5Wvch1YBYwPmHpHH/5g1FucTqrqGZ5aXmREgFcMTqxFgtmMws2+dr3B2QyqCm72DOkQQgONdYxl/RZCz4eCNDRnQhG94atlvetWR4In3hrmxwJ1ormvg+s7r17SPRzjSQ28uY4sOVSC5UNW+jB+71GnPmKHnsTiP7ZTPuyRAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 2.26 ms | 1.85 ms | 0.82 | 0.23 | False | | |
|<ul><li>[WriteGuids - 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.Perf_Guids.WriteGuids(Formatted%3a%20False%2c%20SkipValidation%3a%20True).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Utf8JsonWriter/Perf.Guids.cs#L39-#L55>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.21 ms | 1.80 ms | 0.81 | 0.24 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Text.Json.Tests.Perf_Guids_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Text.Json.Tests.Perf_Guids_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_01_2025/refs/heads/main_arm64_Windows%2010.0.22621/SurfaceWindows_Improvement/System.Text.Json.Tests.Perf_Guids.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.Perf_Guids*'
```

<details>

### System.Text.Json.Tests.Perf_Guids.WriteGuids(Formatted: False, SkipValidation: False)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Tests.Perf_Guids.WriteGuids(Formatted: False, SkipValidation: True)

#### 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	f2821e1c391ac04c83a37cfc98437f0a4af30cf4
Compare	fd33f03efdff93f39d88c7d30de2be6f59bb3106
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
IndexOfString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	39.35 ns	34.63 ns	0.88	0.06	False
IndexOfString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	30.96 ns	27.42 ns	0.89	0.01	False
IndexOfString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.84 ns	10.43 ns	0.81	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Replace_String - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	37.96 ns	33.13 ns	0.87	0.01	False
Replace_String - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	72.65 ns	67.20 ns	0.92	0.03	False
Replace_Char - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	19.32 ns	17.76 ns	0.92	0.08	False
Trim_CharArr - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	18.94 ns	16.31 ns	0.86	0.08	False
TrimEnd_CharArr - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.86 ns	14.39 ns	0.85	0.09	False
Trim_CharArr - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	18.45 ns	16.93 ns	0.92	0.06	False
Trim_CharArr - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.92 ns	6.18 ns	0.78	0.31	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SerializeToUtf8Bytes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.78 μs	8.03 μs	0.91	0.04	False
SerializeToUtf8Bytes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.70 μs	8.47 μs	0.87	0.01	False
SerializeObjectProperty - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	11.07 μs	9.98 μs	0.90	0.02	False
SerializeObjectProperty - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.33 μs	9.27 μs	0.90	0.03	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
WriteDateTimes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.41 ms	6.58 ms	0.89	0.03	False
WriteDateTimes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.43 ms	6.67 ms	0.90	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ToStringHex - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	18.96 ns	17.03 ns	0.90	0.05	False
ToStringHex - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	22.01 ns	20.12 ns	0.91	0.04	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
StaticMethod5_ByRefParams_int_string_struct_class_bool_MethodInvoker - Duration of single invocation ADX - Test Multi Config Graph	282.25 ns	264.90 ns	0.94	0.09	False
Field_Get_struct - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	63.09 ns	54.05 ns	0.86	0.09	False
Ctor0_NoParams - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	18.01 ns	15.83 ns	0.88	0.35	False
Property_Get_int - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	22.68 ns	19.51 ns	0.86	0.36	False
Property_Get_class - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	17.29 ns	14.03 ns	0.81	0.03	False
Property_Set_int - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	32.17 ns	26.43 ns	0.82	0.03	False
StaticMethod4_int_string_struct_class - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	51.20 ns	47.34 ns	0.92	0.06	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
WriteGuids - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.26 ms	1.85 ms	0.82	0.23	False
WriteGuids - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.21 ms	1.80 ms	0.81	0.24	False

[Perf] Windows/arm64: 60 Improvements on 4/21/2025 2:03:19 AM +00:00 #54859

Description

Run Information

Improvements in System.Memory.ReadOnlySpan

Repro

System.Memory.ReadOnlySpan.IndexOfString(input: "foobardzsdzs", value: "rddzs", comparisonType: InvariantCulture)

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System.Memory.ReadOnlySpan.IndexOfString(input: "string1", value: "string2", comparisonType: InvariantCulture)

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System.Memory.ReadOnlySpan.IndexOfString(input: "Hello WorldbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbareallyreallylongHello WorldbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbareallyreallylongHello Worldbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbareallyreallylong!xyz", value: "w", comparisonType: OrdinalIgnoreCase)

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Improvements in System.Text.Tests.Perf_Encoding

Repro

System.Text.Tests.Perf_Encoding.GetBytes(size: 16, encName: "utf-8")

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Run Information

Improvements in System.Tests.Perf_String

Repro

System.Tests.Perf_String.Replace_String(text: "This is a very nice sentence. This is another very nice sentence.", oldValue: "a", newValue: "b")

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System.Tests.Perf_String.Replace_String(text: "This is a very nice sentence", oldValue: "nice", newValue: "bad")

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System.Tests.Perf_String.Replace_Char(text: "Hello", oldChar: 'l', newChar: '!')

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

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

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

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

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Improvements in System.Text.Json.Serialization.Tests.WriteJson<Dictionary<String, String>>

Repro

System.Text.Json.Serialization.Tests.WriteJson<Dictionary<String, String>>.SerializeToUtf8Bytes(Mode: SourceGen)

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System.Text.Json.Serialization.Tests.WriteJson<Dictionary<String, String>>.SerializeToUtf8Bytes(Mode: Reflection)

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

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System.Text.Json.Serialization.Tests.WriteJson<Dictionary<String, String>>.SerializeObjectProperty(Mode: SourceGen)

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Improvements in System.Text.Json.Tests.Perf_DateTimes