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

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
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_ubuntu 22.04/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> | 5.96 μs | 5.14 μs | 0.86 | 0.08 | False | | |
|<ul><li>[IEnumerable - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/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> | 630.16 ns | 147.23 ns | 0.23 | 0.06 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_01_2025/refs/heads/main_x64_ubuntu%2022.04_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_ubuntu%2022.04_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_ubuntu%2022.04_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
python3 .\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 | ubuntu 22.04
Queue | TigerUbuntu
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_ubuntu 22.04/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> | 6.43 μs | 1.10 μs | 0.17 | 0.32 | False | | |
|<ul><li>[ConcurrentStack - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/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> | 1.16 μs | 461.60 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_ubuntu 22.04/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> | 1.14 μs | 344.83 ns | 0.30 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_01_2025/refs/heads/main_x64_ubuntu%2022.04_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_ubuntu%2022.04_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_ubuntu%2022.04_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_ubuntu%2022.04_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
python3 .\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	ubuntu 22.04
Queue	TigerUbuntu
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	5.96 μs	5.14 μs	0.86	0.08	False
IEnumerable - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	630.16 ns	147.23 ns	0.23	0.06	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ConcurrentDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	6.43 μs	1.10 μs	0.17	0.32	False
ConcurrentStack - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.16 μs	461.60 ns	0.40	0.01	False
SortedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.14 μs	344.83 ns	0.30	0.02	False

Uh oh!

[Perf] Linux/x64: 5 Improvements on 6/24/2025 1:49:21 PM +00:00 #58533

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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