[Perf] Windows/x64: 37 Improvements on 9/20/2024 7:38:18 PM

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [68b90acee9d8fbc18d47dd9409a89e3ea083d1fa](https://github.com/dotnet/runtime/commit/68b90acee9d8fbc18d47dd9409a89e3ea083d1fa)
Compare | [e49d49711d809b3c1c1cb78fbc58233afe8d2ff1](https://github.com/dotnet/runtime/commit/e49d49711d809b3c1c1cb78fbc58233afe8d2ff1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/68b90acee9d8fbc18d47dd9409a89e3ea083d1fa...e49d49711d809b3c1c1cb78fbc58233afe8d2ff1)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Linq.Tests.Perf_Enumerable

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Concat_TenTimes - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Linq.Tests.Perf_Enumerable.Concat_TenTimes(input%3a%20IEnumerable).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L299-#L309>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.02 μs | 4.71 μs | 0.94 | 0.01 | False | | |
|<ul><li>[WhereAny_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input%3a%20Array).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L106-#L108>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 65.00 ns | 54.26 ns | 0.83 | 0.17 | False | | |
|<ul><li>[Concat_Once - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Linq.Tests.Perf_Enumerable.Concat_Once(input%3a%20IEnumerable).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L295-#L297>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACo1UW4/SQBR+N/E/THhpqwW6FRclqZFdUVFwERpfjCFDe6Bj5lLnsks3xt/uTEuEQGL60vac+b5z/aZzwMpIYMC1evrkN3ooQAK6MYTmSygFShLk5UJz0H1puCYMvDPYjcQ8K2qghK3qF4Bz1WeY8HPkWGYF0ZBpmxARjnxvfz3wQuRhyexHcISnoPQXzMBFfeutKqWB9WaE/+q5E9VbgNyuJ9wwkHhDoXcreIb1+o5n4BNeGj1C0+NxcFLI0nAL3pKdkVgTwdV371awktDamoscvB8o+YM8TSw8/z/Tuj4Tnh8YjGRSnBCIAlbqyr8gjoUOWsCmQs3oPatH1wb/SU34jnBog13sRFqV7aBFpUiG6UIKJpynLfFjtZEk/0DFBlPyWPva0Jbxsm2Gyb4EaSXJa7Gc6edWWL2CTEV5+DpTY2qJK41Zid6gHGtw2vbjKB50o2E3HqTRq9FgOHoZ914Po6ur+Pp5FI2iqE4Cew08RyubHFSitLTi899bg+e0+mrAgKvH1VsbQYjIdutrsRGCXnYxF1w4SYSo0x3fpR377rSgTF1PpQT7rKmN3YbtVFVTZrNv84ZQt6UMY1iSR0BY7tYM7/16UK6XED0L0KY6m1z476KGh2G4MKUUP+0lv8AuQRmqE2m3kfsnG2r843t7WXc20Atb2jGYtDMFidxysgJLjR6ILpCvmtE3uBDtM0EN48l5yqrxq6TJYYGaaAqJ984u3P55qoPpKMjnKvCCv3pPLdURBQAA>)</li></ul> | 905.98 ns | 855.16 ns | 0.94 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Linq.Tests.Perf_Enumerable_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Linq.Tests.Perf_Enumerable_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Linq.Tests.Perf_Enumerable_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Linq.Tests.Perf_Enumerable.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.Linq.Tests.Perf_Enumerable*'
```

<details>

### System.Linq.Tests.Perf_Enumerable.Concat_TenTimes(input: IEnumerable)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input: Array)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.Concat_Once(input: IEnumerable)

#### 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 | [68b90acee9d8fbc18d47dd9409a89e3ea083d1fa](https://github.com/dotnet/runtime/commit/68b90acee9d8fbc18d47dd9409a89e3ea083d1fa)
Compare | [e49d49711d809b3c1c1cb78fbc58233afe8d2ff1](https://github.com/dotnet/runtime/commit/e49d49711d809b3c1c1cb78fbc58233afe8d2ff1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/68b90acee9d8fbc18d47dd9409a89e3ea083d1fa...e49d49711d809b3c1c1cb78fbc58233afe8d2ff1)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Tests.Perf_Char

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Char_IsLower - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Tests.Perf_Char.Char_IsLower(input%3a%20%22Good%20afternoon%2c%20Constable!%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Char.cs#L23-#L36>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 13.33 ns | 11.55 ns | 0.87 | 0.30 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Tests.Perf_Char_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Tests.Perf_Char.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_Char*'
```

<details>

### System.Tests.Perf_Char.Char_IsLower(input: "Good afternoon, Constable!")

#### 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 | [68b90acee9d8fbc18d47dd9409a89e3ea083d1fa](https://github.com/dotnet/runtime/commit/68b90acee9d8fbc18d47dd9409a89e3ea083d1fa)
Compare | [e49d49711d809b3c1c1cb78fbc58233afe8d2ff1](https://github.com/dotnet/runtime/commit/e49d49711d809b3c1c1cb78fbc58233afe8d2ff1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/68b90acee9d8fbc18d47dd9409a89e3ea083d1fa...e49d49711d809b3c1c1cb78fbc58233afe8d2ff1)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Memory.Span&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SequenceCompareToDifferent - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Memory.Span(Int32).SequenceCompareToDifferent(Size%3a%2033).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L58-#L59>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 6.12 ns | 4.88 ns | 0.80 | 0.03 | True | | |
|<ul><li>[Clear - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Memory.Span(Int32).Clear(Size%3a%2033).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L40-#L41>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 16.15 ns | 3.25 ns | 0.20 | 0.06 | True | | |
|<ul><li>[EndsWith - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Memory.Span(Int32).EndsWith(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L64-#L65>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 18.10 ns | 15.03 ns | 0.83 | 0.21 | False | | |
|<ul><li>[SequenceCompareToDifferent - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Memory.Span(Int32).SequenceCompareToDifferent(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L58-#L59>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 6.11 ns | 4.88 ns | 0.80 | 0.06 | True | | |
|<ul><li>[SequenceCompareToDifferent - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Memory.Span(Int32).SequenceCompareToDifferent(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L58-#L59>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 6.11 ns | 4.88 ns | 0.80 | 0.03 | True | | |
|<ul><li>[IndexOfValue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Memory.Span(Int32).IndexOfValue(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.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> | 13.36 ns | 9.89 ns | 0.74 | 0.13 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Memory.Span%28Int32%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Memory.Span%28Int32%29_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Memory.Span%28Int32%29_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Memory.Span%28Int32%29_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Memory.Span%28Int32%29_5.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Memory.Span%28Int32%29_6.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Memory.Span%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.Memory.Span&lt;Int32&gt;*'
```

<details>

### System.Memory.Span&lt;Int32&gt;.SequenceCompareToDifferent(Size: 33)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Int32&gt;.Clear(Size: 33)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Int32&gt;.EndsWith(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Int32&gt;.SequenceCompareToDifferent(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Int32&gt;.SequenceCompareToDifferent(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Int32&gt;.IndexOfValue(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 | [68b90acee9d8fbc18d47dd9409a89e3ea083d1fa](https://github.com/dotnet/runtime/commit/68b90acee9d8fbc18d47dd9409a89e3ea083d1fa)
Compare | [e49d49711d809b3c1c1cb78fbc58233afe8d2ff1](https://github.com/dotnet/runtime/commit/e49d49711d809b3c1c1cb78fbc58233afe8d2ff1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/68b90acee9d8fbc18d47dd9409a89e3ea083d1fa...e49d49711d809b3c1c1cb78fbc58233afe8d2ff1)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Memory.Span&lt;Char&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SequenceCompareToDifferent - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Memory.Span(Char).SequenceCompareToDifferent(Size%3a%2033).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L58-#L59>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.07 ns | 5.70 ns | 0.81 | 0.05 | False | | |
|<ul><li>[SequenceCompareTo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Memory.Span(Char).SequenceCompareTo(Size%3a%2033).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L55-#L56>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.25 ns | 5.96 ns | 0.82 | 0.06 | True | | |
|<ul><li>[SequenceCompareToDifferent - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Memory.Span(Char).SequenceCompareToDifferent(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L58-#L59>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.07 ns | 5.69 ns | 0.80 | 0.03 | True | | |
|<ul><li>[SequenceCompareToDifferent - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Memory.Span(Char).SequenceCompareToDifferent(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L58-#L59>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 6.62 ns | 5.44 ns | 0.82 | 0.01 | True | | |
|<ul><li>[EndsWith - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Memory.Span(Char).EndsWith(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L64-#L65>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 10.40 ns | 7.84 ns | 0.75 | 0.47 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Memory.Span%28Char%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Memory.Span%28Char%29_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Memory.Span%28Char%29_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Memory.Span%28Char%29_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Memory.Span%28Char%29_5.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Memory.Span%28Char%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.Memory.Span&lt;Char&gt;*'
```

<details>

### System.Memory.Span&lt;Char&gt;.SequenceCompareToDifferent(Size: 33)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Char&gt;.SequenceCompareTo(Size: 33)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Char&gt;.SequenceCompareToDifferent(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Char&gt;.SequenceCompareToDifferent(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Char&gt;.EndsWith(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 | [68b90acee9d8fbc18d47dd9409a89e3ea083d1fa](https://github.com/dotnet/runtime/commit/68b90acee9d8fbc18d47dd9409a89e3ea083d1fa)
Compare | [e49d49711d809b3c1c1cb78fbc58233afe8d2ff1](https://github.com/dotnet/runtime/commit/e49d49711d809b3c1c1cb78fbc58233afe8d2ff1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/68b90acee9d8fbc18d47dd9409a89e3ea083d1fa...e49d49711d809b3c1c1cb78fbc58233afe8d2ff1)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Diagnostics.Perf_Activity

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[EnumerateActivityTagsSmall - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Diagnostics.Perf_Activity.EnumerateActivityTagsSmall.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Diagnostics/Perf_Activity.cs#L105-#L111>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 39.24 ns | 33.76 ns | 0.86 | 0.18 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Diagnostics.Perf_Activity_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Diagnostics.Perf_Activity.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.Diagnostics.Perf_Activity*'
```

<details>

### System.Diagnostics.Perf_Activity.EnumerateActivityTagsSmall

#### 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 | [68b90acee9d8fbc18d47dd9409a89e3ea083d1fa](https://github.com/dotnet/runtime/commit/68b90acee9d8fbc18d47dd9409a89e3ea083d1fa)
Compare | [e49d49711d809b3c1c1cb78fbc58233afe8d2ff1](https://github.com/dotnet/runtime/commit/e49d49711d809b3c1c1cb78fbc58233afe8d2ff1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/68b90acee9d8fbc18d47dd9409a89e3ea083d1fa...e49d49711d809b3c1c1cb78fbc58233afe8d2ff1)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.Perf_Ascii

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ToLower_Chars - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Text.Perf_Ascii.ToLower_Chars(Size%3a%206).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encoding/Perf.Ascii.cs#L81-#L83>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 8.67 ns | 7.59 ns | 0.88 | 0.33 | False | | |
|<ul><li>[ToUpper_Chars - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Text.Perf_Ascii.ToUpper_Chars(Size%3a%206).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encoding/Perf.Ascii.cs#L91-#L93>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACo1UUW/TMBB+R+I/WH1JMtI2LV0ZlYLoyoCNFkobeEGocpNrYxTb0dnZmgnx27GTilWphPKS+E7fd+e7+84LoKpA4CC0ev7sN3lIAYFcFyxLVpBLEobESaQWoPtYCM04OA3YNVIRpxUQYaf6KdBE9TlloomcYpwyDbE2CQkTxHUO45HjE4ciNwfvCR6B0p8pBxv1rbMulQbei+Cge0vA3WaqYsZ6kfyW54CbWUpRuWv2CBMy9k6Srgoxk2LH9gVSzaRQP5yZ5DnLKmshE3B+kvAPcTQz8OT/TOP6xERyZHAWozwhMAU816V7RpxK7bWA3Uo1z+551aY2+Dt1I/ZMQBvsci+jMm8HTUvFYpotUXJpPW2JH8stsuRDJrc0Y4+Vrw1tNVy1zXBzMLM28hOVMBpamUmjTcBI5sdTQ3mRIa415Tl5QxKqwerYHQbDUTd41R2OouBqcjmYDF73xlejy+F48CIIJkFQJTGiA5GQtUkOKlQaY6rd98YQSVZ+LaAAex9738rwfMJ2O1fLrZTZeRULKaSVhE863emXqGP+nRaUW1tTjmC+FbW227CtqirKfP59UROqslTBOUWzM4TifsPpwa0aZWvxyYVHtmWjc/6/pfSPzbBhcpS/zEKfYVegikyHaKaRuCcTqv3Te0C6N4Femqs9BUPTU0BihxObndbkgemUuKpufY3zySGWWcFF2ExZ1n4V1jkMUDOdQei8MwM3r0x5NC2FuEJ5jvcXEI5Ckv0EAAA=>)</li></ul> | 8.67 ns | 7.60 ns | 0.88 | 0.34 | False | | |
|<ul><li>[ToUpper_Bytes - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Text.Perf_Ascii.ToUpper_Bytes(Size%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encoding/Perf.Ascii.cs#L88-#L89>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 12.26 ns | 11.11 ns | 0.91 | 0.17 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Text.Perf_Ascii_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Text.Perf_Ascii_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Text.Perf_Ascii_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Text.Perf_Ascii.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.Perf_Ascii*'
```

<details>

### System.Text.Perf_Ascii.ToLower_Chars(Size: 6)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Perf_Ascii.ToUpper_Chars(Size: 6)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Perf_Ascii.ToUpper_Bytes(Size: 128)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [68b90acee9d8fbc18d47dd9409a89e3ea083d1fa](https://github.com/dotnet/runtime/commit/68b90acee9d8fbc18d47dd9409a89e3ea083d1fa)
Compare | [e49d49711d809b3c1c1cb78fbc58233afe8d2ff1](https://github.com/dotnet/runtime/commit/e49d49711d809b3c1c1cb78fbc58233afe8d2ff1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/68b90acee9d8fbc18d47dd9409a89e3ea083d1fa...e49d49711d809b3c1c1cb78fbc58233afe8d2ff1)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.Json.Document.Tests.Perf_EnumerateArray

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[EnumerateArray - 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.Document.Tests.Perf_EnumerateArray.EnumerateArray(TestCase%3a%20ArrayOfStrings).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Document/EnumerateArray.cs#L54-#L58>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 335.22 ns | 303.46 ns | 0.91 | 0.01 | False | | |
|<ul><li>[EnumerateUsingIndexer - 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.Document.Tests.Perf_EnumerateArray.EnumerateUsingIndexer(TestCase%3a%20ArrayOfNumbers).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Document/EnumerateArray.cs#L60-#L68>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.47 μs | 1.39 μs | 0.94 | 0.02 | False | | |
|<ul><li>[EnumerateArray - 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.Document.Tests.Perf_EnumerateArray.EnumerateArray(TestCase%3a%20ArrayOfNumbers).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Document/EnumerateArray.cs#L54-#L58>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 334.63 ns | 304.04 ns | 0.91 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Text.Json.Document.Tests.Perf_EnumerateArray_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Text.Json.Document.Tests.Perf_EnumerateArray_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Text.Json.Document.Tests.Perf_EnumerateArray_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Text.Json.Document.Tests.Perf_EnumerateArray.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Document.Tests.Perf_EnumerateArray*'
```

<details>

### System.Text.Json.Document.Tests.Perf_EnumerateArray.EnumerateArray(TestCase: ArrayOfStrings)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Document.Tests.Perf_EnumerateArray.EnumerateUsingIndexer(TestCase: ArrayOfNumbers)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Document.Tests.Perf_EnumerateArray.EnumerateArray(TestCase: ArrayOfNumbers)

#### 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 | [68b90acee9d8fbc18d47dd9409a89e3ea083d1fa](https://github.com/dotnet/runtime/commit/68b90acee9d8fbc18d47dd9409a89e3ea083d1fa)
Compare | [e49d49711d809b3c1c1cb78fbc58233afe8d2ff1](https://github.com/dotnet/runtime/commit/e49d49711d809b3c1c1cb78fbc58233afe8d2ff1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/68b90acee9d8fbc18d47dd9409a89e3ea083d1fa...e49d49711d809b3c1c1cb78fbc58233afe8d2ff1)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.IterateFor&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ImmutableList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Collections.IterateFor(String).ImmutableList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateFor.cs#L115-#L123>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.90 μs | 3.29 μs | 0.84 | 0.39 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Collections.IterateFor%28String%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Collections.IterateFor%28String%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.IterateFor&lt;String&gt;*'
```

<details>

### System.Collections.IterateFor&lt;String&gt;.ImmutableList(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 | [68b90acee9d8fbc18d47dd9409a89e3ea083d1fa](https://github.com/dotnet/runtime/commit/68b90acee9d8fbc18d47dd9409a89e3ea083d1fa)
Compare | [e49d49711d809b3c1c1cb78fbc58233afe8d2ff1](https://github.com/dotnet/runtime/commit/e49d49711d809b3c1c1cb78fbc58233afe8d2ff1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/68b90acee9d8fbc18d47dd9409a89e3ea083d1fa...e49d49711d809b3c1c1cb78fbc58233afe8d2ff1)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.Perf_LengthBucketsFrozenDictionary

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[TryGetValue_True_FrozenDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_True_FrozenDictionary(Count%3a%201000%2c%20ItemsPerBucket%3a%205).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 10.54 μs | 9.28 μs | 0.88 | 0.01 | False | | |
|<ul><li>[TryGetValue_True_FrozenDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_True_FrozenDictionary(Count%3a%20100%2c%20ItemsPerBucket%3a%205).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 957.48 ns | 894.63 ns | 0.93 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Collections.Perf_LengthBucketsFrozenDictionary_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Collections.Perf_LengthBucketsFrozenDictionary_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.Collections.Perf_LengthBucketsFrozenDictionary.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Perf_LengthBucketsFrozenDictionary*'
```

<details>

### System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 1000, ItemsPerBucket: 5)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Perf_LengthBucketsFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 100, ItemsPerBucket: 5)

#### 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 | [68b90acee9d8fbc18d47dd9409a89e3ea083d1fa](https://github.com/dotnet/runtime/commit/68b90acee9d8fbc18d47dd9409a89e3ea083d1fa)
Compare | [e49d49711d809b3c1c1cb78fbc58233afe8d2ff1](https://github.com/dotnet/runtime/commit/e49d49711d809b3c1c1cb78fbc58233afe8d2ff1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/68b90acee9d8fbc18d47dd9409a89e3ea083d1fa...e49d49711d809b3c1c1cb78fbc58233afe8d2ff1)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.IO.Tests.StreamReaderReadLineTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ReadLineAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange%3a%20%5b1025%2c%202048%5d).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO/StreamReaderReadLineTests.cs#L34-#L43>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.74 μs | 4.81 μs | 0.84 | 0.02 | True | | |
|<ul><li>[ReadLine - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange%3a%20%5b1025%2c%202048%5d).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO/StreamReaderReadLineTests.cs#L24-#L32>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.04 μs | 3.73 μs | 0.92 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.IO.Tests.StreamReaderReadLineTests_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.IO.Tests.StreamReaderReadLineTests_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_24_2024/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Improvement/System.IO.Tests.StreamReaderReadLineTests.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.IO.Tests.StreamReaderReadLineTests*'
```

<details>

### System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [1025, 2048])

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange: [1025, 2048])

#### 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	68b90acee9d8fbc18d47dd9409a89e3ea083d1fa
Compare	e49d49711d809b3c1c1cb78fbc58233afe8d2ff1
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Concat_TenTimes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.02 μs	4.71 μs	0.94	0.01	False
WhereAny_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	65.00 ns	54.26 ns	0.83	0.17	False
Concat_Once - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	905.98 ns	855.16 ns	0.94	0.01	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SequenceCompareToDifferent - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	6.12 ns	4.88 ns	0.80	0.03	True
Clear - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.15 ns	3.25 ns	0.20	0.06	True
EndsWith - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	18.10 ns	15.03 ns	0.83	0.21	False
SequenceCompareToDifferent - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	6.11 ns	4.88 ns	0.80	0.06	True
SequenceCompareToDifferent - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	6.11 ns	4.88 ns	0.80	0.03	True
IndexOfValue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	13.36 ns	9.89 ns	0.74	0.13	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SequenceCompareToDifferent - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.07 ns	5.70 ns	0.81	0.05	False
SequenceCompareTo - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.25 ns	5.96 ns	0.82	0.06	True
SequenceCompareToDifferent - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.07 ns	5.69 ns	0.80	0.03	True
SequenceCompareToDifferent - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	6.62 ns	5.44 ns	0.82	0.01	True
EndsWith - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.40 ns	7.84 ns	0.75	0.47	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ToLower_Chars - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.67 ns	7.59 ns	0.88	0.33	False
ToUpper_Chars - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.67 ns	7.60 ns	0.88	0.34	False
ToUpper_Bytes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.26 ns	11.11 ns	0.91	0.17	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
EnumerateArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	335.22 ns	303.46 ns	0.91	0.01	False
EnumerateUsingIndexer - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.47 μs	1.39 μs	0.94	0.02	False
EnumerateArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	334.63 ns	304.04 ns	0.91	0.01	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
TryGetValue_True_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	10.54 μs	9.28 μs	0.88	0.01	False
TryGetValue_True_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	957.48 ns	894.63 ns	0.93	0.01	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ReadLineAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.74 μs	4.81 μs	0.84	0.02	True
ReadLine - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.04 μs	3.73 μs	0.92	0.02	False

Uh oh!

[Perf] Windows/x64: 37 Improvements on 9/20/2024 7:38:18 PM #41694

Description

Run Information

Improvements in System.Linq.Tests.Perf_Enumerable

Repro

System.Linq.Tests.Perf_Enumerable.Concat_TenTimes(input: IEnumerable)

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input: Array)

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.Concat_Once(input: IEnumerable)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Tests.Perf_Char

Repro

System.Tests.Perf_Char.Char_IsLower(input: "Good afternoon, Constable!")

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Memory.Span<Int32>

Repro

System.Memory.Span<Int32>.SequenceCompareToDifferent(Size: 33)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Int32>.Clear(Size: 33)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Int32>.EndsWith(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Int32>.SequenceCompareToDifferent(Size: 4)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Int32>.SequenceCompareToDifferent(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Int32>.IndexOfValue(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Memory.Span<Char>

Repro

System.Memory.Span<Char>.SequenceCompareToDifferent(Size: 33)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Char>.SequenceCompareTo(Size: 33)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Char>.SequenceCompareToDifferent(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Char>.SequenceCompareToDifferent(Size: 4)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Char>.EndsWith(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information