[Perf] Windows/x64: 5 Improvements on 6/24/2025 1:49:21 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22621
Queue | TigerWindows
Baseline | [d9f9d3db4bd787a5e392b1d7790eb4671ef5a7f2](https://github.com/dotnet/runtime/commit/d9f9d3db4bd787a5e392b1d7790eb4671ef5a7f2)
Compare | [368466be380f355249dcd7e4040f0086b73f5988](https://github.com/dotnet/runtime/commit/368466be380f355249dcd7e4040f0086b73f5988)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d9f9d3db4bd787a5e392b1d7790eb4671ef5a7f2...368466be380f355249dcd7e4040f0086b73f5988)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.IterateForEach&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<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.IterateForEach(String).ConcurrentDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L221-#L229>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 8.23 μs | 6.42 μs | 0.78 | 0.03 | False | | |
|<ul><li>[IEnumerable - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.IterateForEach(String).IEnumerable(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L88-#L90>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 894.04 ns | 209.11 ns | 0.23 | 0.26 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_01_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.IterateForEach%28String%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_01_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.IterateForEach%28String%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_01_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.IterateForEach%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.IterateForEach&lt;String&gt;*'
```

<details>

### System.Collections.IterateForEach&lt;String&gt;.ConcurrentDictionary(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.IterateForEach&lt;String&gt;.IEnumerable(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 | [d9f9d3db4bd787a5e392b1d7790eb4671ef5a7f2](https://github.com/dotnet/runtime/commit/d9f9d3db4bd787a5e392b1d7790eb4671ef5a7f2)
Compare | [368466be380f355249dcd7e4040f0086b73f5988](https://github.com/dotnet/runtime/commit/368466be380f355249dcd7e4040f0086b73f5988)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d9f9d3db4bd787a5e392b1d7790eb4671ef5a7f2...368466be380f355249dcd7e4040f0086b73f5988)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.IterateForEach&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<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.IterateForEach(Int32).ConcurrentDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L221-#L229>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 6.77 μs | 1.91 μs | 0.28 | 0.03 | False | | |
|<ul><li>[ConcurrentStack - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.IterateForEach(Int32).ConcurrentStack(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L247-#L255>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.66 μs | 658.30 ns | 0.40 | 0.01 | False | | |
|<ul><li>[SortedList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.IterateForEach(Int32).SortedList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L182-#L190>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.60 μs | 490.19 ns | 0.31 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_01_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.IterateForEach%28Int32%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_01_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.IterateForEach%28Int32%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_01_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.IterateForEach%28Int32%29_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_01_2025/refs/heads/main_x64_Windows%2010.0.22621_Improvement/System.Collections.IterateForEach%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.IterateForEach&lt;Int32&gt;*'
```

<details>

### System.Collections.IterateForEach&lt;Int32&gt;.ConcurrentDictionary(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.IterateForEach&lt;Int32&gt;.ConcurrentStack(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.IterateForEach&lt;Int32&gt;.SortedList(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>

Name	Value
Architecture	x64
OS	Windows 10.0.22621
Queue	TigerWindows
Baseline	d9f9d3db4bd787a5e392b1d7790eb4671ef5a7f2
Compare	368466be380f355249dcd7e4040f0086b73f5988
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ConcurrentDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.23 μs	6.42 μs	0.78	0.03	False
IEnumerable - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	894.04 ns	209.11 ns	0.23	0.26	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ConcurrentDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	6.77 μs	1.91 μs	0.28	0.03	False
ConcurrentStack - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.66 μs	658.30 ns	0.40	0.01	False
SortedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.60 μs	490.19 ns	0.31	0.02	False

[Perf] Windows/x64: 5 Improvements on 6/24/2025 1:49:21 PM +00:00 #58555

Description

Run Information

Improvements in System.Collections.IterateForEach<String>

Repro

System.Collections.IterateForEach<String>.ConcurrentDictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.IterateForEach<String>.IEnumerable(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.IterateForEach<Int32>

Repro

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

ETL Files

Histogram

JIT Disasms

System.Collections.IterateForEach<Int32>.ConcurrentStack(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.IterateForEach<Int32>.SortedList(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Metadata

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