[Perf] Windows/x64: 17 Improvements on 2/4/2025 3:26:07 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22621
Queue | TigerWindows
Baseline | [2c7753540b961ef15ec36fc25715bd4469e91aa8](https://github.com/dotnet/runtime/commit/2c7753540b961ef15ec36fc25715bd4469e91aa8)
Compare | [37b1764e19aceaa545d8433c490b850538b8905a](https://github.com/dotnet/runtime/commit/37b1764e19aceaa545d8433c490b850538b8905a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2c7753540b961ef15ec36fc25715bd4469e91aa8...37b1764e19aceaa545d8433c490b850538b8905a)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in ArrayDeAbstraction

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[foreach_opaque_array_via_interface - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/ArrayDeAbstraction.foreach_opaque_array_via_interface.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/DeAbstraction/Array.cs#L195-#L202>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 903.52 ns | 399.48 ns | 0.44 | 0.00 | False | | |
|<ul><li>[foreach_static_readonly_array_via_interface_property - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/ArrayDeAbstraction.foreach_static_readonly_array_via_interface_property.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/DeAbstraction/Array.cs#L80-#L87>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 936.13 ns | 378.36 ns | 0.40 | 0.04 | False | | |
|<ul><li>[foreach_static_array_via_interface_property - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/ArrayDeAbstraction.foreach_static_array_via_interface_property.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/DeAbstraction/Array.cs#L127-#L134>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl2RT2sbMRDF7wZ/B9UX2XSTXW8aaF0EdZPQQsglMe3RTLSzXhWtZEaziU3T796R/1xyGSHpzdNvnjyyYkysjPqml0Swv8Xlc2ICyy6GyzYSgu3WiYGdXUNWrF8crF1gpBYsrrcUt0i811/HIy920MqN+DXAyK7HaV3Vny7m9cV8vqo+L6rrxdXVZT3/cl3V849Vtaiq2amTcBulUTeRA3JJQ8j9Z99ngmC7fE/YprJDaFLZgwtngY2hdZv88j5A7+z0r76J/dZ5QY/hITaoF0qzQ8JGF0o/DuHehSYfipqi/pdBfiD/dIkjOQv+Fhh+O+6yD5BLMaRpjsvkUhxHNYdaHOhNLsUJ1RyX4gRmjstsPHpTktkftKyekBymQn0fnG9WMuwTQ78t1C/wA5qVPHITJQWkR0yD5+ULEmxwPCrLN/XaySAnB/VBzFmySGoy4Xi3s35ocDJRZanudmLpUcVWtc6LlwsbFQf5KJUOzRmIMDTyazlv2wGxepWp1fQoMGfMnY1+6IN5j7s/nidz4BYdO/ZotMSHkvT+tH1ASANhj4H17D/3hliIegIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 942.45 ns | 400.01 ns | 0.42 | 0.00 | False | | |
|<ul><li>[foreach_member_array_via_interface_property - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/ArrayDeAbstraction.foreach_member_array_via_interface_property.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/DeAbstraction/Array.cs#L174-#L181>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 904.18 ns | 400.60 ns | 0.44 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/ArrayDeAbstraction_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/ArrayDeAbstraction_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/ArrayDeAbstraction_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/ArrayDeAbstraction_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/ArrayDeAbstraction.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 'ArrayDeAbstraction*'
```

<details>

### ArrayDeAbstraction.foreach_opaque_array_via_interface

#### ETL Files

#### Histogram

#### JIT Disasms

### ArrayDeAbstraction.foreach_static_readonly_array_via_interface_property

#### ETL Files

#### Histogram

#### JIT Disasms

### ArrayDeAbstraction.foreach_static_array_via_interface_property

#### ETL Files

#### Histogram

#### JIT Disasms

### ArrayDeAbstraction.foreach_member_array_via_interface_property

#### 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 10.0.22621
Queue | TigerWindows
Baseline | [2c7753540b961ef15ec36fc25715bd4469e91aa8](https://github.com/dotnet/runtime/commit/2c7753540b961ef15ec36fc25715bd4469e91aa8)
Compare | [37b1764e19aceaa545d8433c490b850538b8905a](https://github.com/dotnet/runtime/commit/37b1764e19aceaa545d8433c490b850538b8905a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2c7753540b961ef15ec36fc25715bd4469e91aa8...37b1764e19aceaa545d8433c490b850538b8905a)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.CtorFromCollection&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[LinkedList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.CtorFromCollection(Int32).LinkedList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Create/CtorFromCollection.cs#L41-#L42>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.54 μs | 6.37 μs | 0.84 | 0.06 | False | | |
|<ul><li>[ConcurrentDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.CtorFromCollection(Int32).ConcurrentDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Create/CtorFromCollection.cs#L68-#L69>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 23.84 μs | 19.43 μs | 0.82 | 0.01 | False | | |
|<ul><li>[ImmutableStack - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.CtorFromCollection(Int32).ImmutableStack(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Create/CtorFromCollection.cs#L95-#L96>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.91 μs | 2.52 μs | 0.87 | 0.17 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.CtorFromCollection%28Int32%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.CtorFromCollection%28Int32%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.CtorFromCollection%28Int32%29_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.CtorFromCollection%28Int32%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.CtorFromCollection&lt;Int32&gt;*'
```

<details>

### System.Collections.CtorFromCollection&lt;Int32&gt;.LinkedList(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.CtorFromCollection&lt;Int32&gt;.ConcurrentDictionary(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.CtorFromCollection&lt;Int32&gt;.ImmutableStack(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 10.0.22621
Queue | TigerWindows
Baseline | [2c7753540b961ef15ec36fc25715bd4469e91aa8](https://github.com/dotnet/runtime/commit/2c7753540b961ef15ec36fc25715bd4469e91aa8)
Compare | [37b1764e19aceaa545d8433c490b850538b8905a](https://github.com/dotnet/runtime/commit/37b1764e19aceaa545d8433c490b850538b8905a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2c7753540b961ef15ec36fc25715bd4469e91aa8...37b1764e19aceaa545d8433c490b850538b8905a)
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>[EnumerateActivityTagObjectsLarge - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Diagnostics.Perf_Activity.EnumerateActivityTagObjectsLarge.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Diagnostics/Perf_Activity.cs#L129-#L135>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.30 μs | 1.97 μs | 0.60 | 0.41 | False | | |
|<ul><li>[EnumerateActivityLinksLarge - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Diagnostics.Perf_Activity.EnumerateActivityLinksLarge.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Diagnostics/Perf_Activity.cs#L145-#L151>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.98 μs | 3.90 μs | 0.78 | 0.16 | False | | |
|<ul><li>[EnumerateActivityLinkTagsSmall - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Diagnostics.Perf_Activity.EnumerateActivityLinkTagsSmall.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Diagnostics/Perf_Activity.cs#L169-#L175>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 22.07 ns | 3.73 ns | 0.17 | 0.13 | False | | |
|<ul><li>[EnumerateActivityLinkTagsLarge - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Diagnostics.Perf_Activity.EnumerateActivityLinkTagsLarge.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Diagnostics/Perf_Activity.cs#L177-#L183>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.97 μs | 1.96 μs | 0.49 | 0.51 | False | | |
|<ul><li>[EnumerateActivityLinksSmall - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Diagnostics.Perf_Activity.EnumerateActivityLinksSmall.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Diagnostics/Perf_Activity.cs#L137-#L143>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 22.75 ns | 3.70 ns | 0.16 | 0.20 | False | | |
|<ul><li>[EnumerateActivityTagObjectsSmall - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Diagnostics.Perf_Activity.EnumerateActivityTagObjectsSmall.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Diagnostics/Perf_Activity.cs#L121-#L127>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 21.86 ns | 3.70 ns | 0.17 | 0.14 | False | | |
|<ul><li>[EnumerateActivityEventsLarge - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Diagnostics.Perf_Activity.EnumerateActivityEventsLarge.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Diagnostics/Perf_Activity.cs#L161-#L167>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.77 μs | 3.90 μs | 0.82 | 0.02 | False | | |
|<ul><li>[EnumerateActivityEventsSmall - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Diagnostics.Perf_Activity.EnumerateActivityEventsSmall.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Diagnostics/Perf_Activity.cs#L153-#L159>)</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 | 3.66 ns | 0.16 | 0.12 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Diagnostics.Perf_Activity_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Diagnostics.Perf_Activity_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Diagnostics.Perf_Activity_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Diagnostics.Perf_Activity_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Diagnostics.Perf_Activity_005.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Diagnostics.Perf_Activity_006.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Diagnostics.Perf_Activity_007.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Diagnostics.Perf_Activity_008.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_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.EnumerateActivityTagObjectsLarge

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Diagnostics.Perf_Activity.EnumerateActivityLinksLarge

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Diagnostics.Perf_Activity.EnumerateActivityLinkTagsSmall

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Diagnostics.Perf_Activity.EnumerateActivityLinkTagsLarge

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Diagnostics.Perf_Activity.EnumerateActivityLinksSmall

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Diagnostics.Perf_Activity.EnumerateActivityTagObjectsSmall

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Diagnostics.Perf_Activity.EnumerateActivityEventsLarge

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Diagnostics.Perf_Activity.EnumerateActivityEventsSmall

#### 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 10.0.22621
Queue | TigerWindows
Baseline | [2c7753540b961ef15ec36fc25715bd4469e91aa8](https://github.com/dotnet/runtime/commit/2c7753540b961ef15ec36fc25715bd4469e91aa8)
Compare | [37b1764e19aceaa545d8433c490b850538b8905a](https://github.com/dotnet/runtime/commit/37b1764e19aceaa545d8433c490b850538b8905a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2c7753540b961ef15ec36fc25715bd4469e91aa8...37b1764e19aceaa545d8433c490b850538b8905a)
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_Once - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/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=H4sIAAAAAAAACl1R74sTMRD9Xuj/MPZLtri3v+6QUgmotajooVyLfjxyu7PdSDZZk4nX4vm/X9LdIghhQmbmvbx5o5CA0BFweMN2J0fYZ1+k/pXtQ9Jl39C291vte7TiQWG2MboWdP9V15hIPXhaw6d/5SV7PZ+pwChaQhsoG0FIssekKqqbq7K6Kst9sVqHU1ZZdbNaXZevXhbFuiiWE9LiYAKQNYY0Um69jvgL74MVuu5i3WLr8g5F4/JeSH1pqI1u5SH+fNKil3Xyh21MP0glSBp9axpka2Ak0WLDUmB3Xn+WuonJ0G0N+xuFfED6KB0ZK2uh3gsSPyR1kUdY6Yx2SXSMx5COo/JzTM/qeQzpJJWPVzoJ4+O1nM+eYLDmJ9YEO7QSXQrvvFTNPgy7I9EPKXwXyiOPa9iY4ALaO3Re0dvfwesDzmd5/gSPXRhkYoAXgZyCFw4WCzLbY618g4sF5Dlsj4FSIZgWWqkCl9QHMD4sCtwZHAVZ1E3YWvS77oQleAxTQzI28IvMY22U7zX/X+5pzDt+1h36SJJCzoJ9GJw+Tc9bFM5b7FETWz4D5y2vuX0CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 954.27 ns | 720.21 ns | 0.75 | 0.01 | False | | |
|<ul><li>[Concat_TenTimes - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/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> | 5.47 μs | 4.17 μs | 0.76 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Linq.Tests.Perf_Enumerable_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Linq.Tests.Perf_Enumerable_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_11_2025/refs/heads/main_x64_Windows%2010.0.22621_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_Once(input: IEnumerable)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.Concat_TenTimes(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>

Name	Value
Architecture	x64
OS	Windows 10.0.22621
Queue	TigerWindows
Baseline	2c7753540b961ef15ec36fc25715bd4469e91aa8
Compare	37b1764e19aceaa545d8433c490b850538b8905a
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
foreach_opaque_array_via_interface - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	903.52 ns	399.48 ns	0.44	0.00	False
foreach_static_readonly_array_via_interface_property - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	936.13 ns	378.36 ns	0.40	0.04	False
foreach_static_array_via_interface_property - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	942.45 ns	400.01 ns	0.42	0.00	False
foreach_member_array_via_interface_property - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	904.18 ns	400.60 ns	0.44	0.00	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
LinkedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.54 μs	6.37 μs	0.84	0.06	False
ConcurrentDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	23.84 μs	19.43 μs	0.82	0.01	False
ImmutableStack - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.91 μs	2.52 μs	0.87	0.17	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
EnumerateActivityTagObjectsLarge - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.30 μs	1.97 μs	0.60	0.41	False
EnumerateActivityLinksLarge - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.98 μs	3.90 μs	0.78	0.16	False
EnumerateActivityLinkTagsSmall - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	22.07 ns	3.73 ns	0.17	0.13	False
EnumerateActivityLinkTagsLarge - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.97 μs	1.96 μs	0.49	0.51	False
EnumerateActivityLinksSmall - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	22.75 ns	3.70 ns	0.16	0.20	False
EnumerateActivityTagObjectsSmall - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	21.86 ns	3.70 ns	0.17	0.14	False
EnumerateActivityEventsLarge - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.77 μs	3.90 μs	0.82	0.02	False
EnumerateActivityEventsSmall - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	22.68 ns	3.66 ns	0.16	0.12	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Concat_Once - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	954.27 ns	720.21 ns	0.75	0.01	False
Concat_TenTimes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.47 μs	4.17 μs	0.76	0.00	False

[Perf] Windows/x64: 17 Improvements on 2/4/2025 3:26:07 PM +00:00 #49924

Description

Run Information

Improvements in ArrayDeAbstraction

Repro

ArrayDeAbstraction.foreach_opaque_array_via_interface

ETL Files

Histogram

JIT Disasms

ArrayDeAbstraction.foreach_static_readonly_array_via_interface_property

ETL Files

Histogram

JIT Disasms

ArrayDeAbstraction.foreach_static_array_via_interface_property

ETL Files

Histogram

JIT Disasms

ArrayDeAbstraction.foreach_member_array_via_interface_property

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.CtorFromCollection<Int32>

Repro

System.Collections.CtorFromCollection<Int32>.LinkedList(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.CtorFromCollection<Int32>.ConcurrentDictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.CtorFromCollection<Int32>.ImmutableStack(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Diagnostics.Perf_Activity

Repro

System.Diagnostics.Perf_Activity.EnumerateActivityTagObjectsLarge

ETL Files

Histogram

JIT Disasms

System.Diagnostics.Perf_Activity.EnumerateActivityLinksLarge

ETL Files

Histogram

JIT Disasms

System.Diagnostics.Perf_Activity.EnumerateActivityLinkTagsSmall

ETL Files

Histogram

JIT Disasms

System.Diagnostics.Perf_Activity.EnumerateActivityLinkTagsLarge

ETL Files

Histogram

JIT Disasms

System.Diagnostics.Perf_Activity.EnumerateActivityLinksSmall

ETL Files

Histogram

JIT Disasms

System.Diagnostics.Perf_Activity.EnumerateActivityTagObjectsSmall

ETL Files

Histogram

JIT Disasms

System.Diagnostics.Perf_Activity.EnumerateActivityEventsLarge

ETL Files

Histogram

JIT Disasms

System.Diagnostics.Perf_Activity.EnumerateActivityEventsSmall

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Linq.Tests.Perf_Enumerable

Repro

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

ETL Files

Histogram