[Perf] Linux/x64: 8 Improvements on 8/14/2025 1:22:37 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [108fa7856efcfd39bc991c2d849eabbf7ba5989c](https://github.com/dotnet/runtime/commit/108fa7856efcfd39bc991c2d849eabbf7ba5989c)
Compare | [edb570cd9e75036b6c61b201a0a9a9f2301db276](https://github.com/dotnet/runtime/commit/edb570cd9e75036b6c61b201a0a9a9f2301db276)
Diff | [Diff](https://github.com/dotnet/runtime/compare/108fa7856efcfd39bc991c2d849eabbf7ba5989c...edb570cd9e75036b6c61b201a0a9a9f2301db276)
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>[ImmutableList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.IterateForEach(Int32).ImmutableList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L312-#L320>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.78 μs | 3.24 μs | 0.86 | 0.16 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_19_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.IterateForEach%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_19_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;.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 | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [108fa7856efcfd39bc991c2d849eabbf7ba5989c](https://github.com/dotnet/runtime/commit/108fa7856efcfd39bc991c2d849eabbf7ba5989c)
Compare | [edb570cd9e75036b6c61b201a0a9a9f2301db276](https://github.com/dotnet/runtime/commit/edb570cd9e75036b6c61b201a0a9a9f2301db276)
Diff | [Diff](https://github.com/dotnet/runtime/compare/108fa7856efcfd39bc991c2d849eabbf7ba5989c...edb570cd9e75036b6c61b201a0a9a9f2301db276)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.Tests.Perf_PriorityQueue&lt;Int32, Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[K_Max_Elements - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.Tests.Perf_PriorityQueue(Int32%2c%20Int32).K_Max_Elements(Size%3a%20100).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/PriorityQueue/Perf_PriorityQueue.cs#L85-#L108>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 236.45 ns | 179.85 ns | 0.76 | 0.25 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_19_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.Tests.Perf_PriorityQueue%28Int32%2C%20Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_19_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.Tests.Perf_PriorityQueue%28Int32%2C%20Int32%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.Tests.Perf_PriorityQueue&lt;Int32, Int32&gt;*'
```

<details>

### System.Collections.Tests.Perf_PriorityQueue&lt;Int32, Int32&gt;.K_Max_Elements(Size: 100)

#### 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 | [108fa7856efcfd39bc991c2d849eabbf7ba5989c](https://github.com/dotnet/runtime/commit/108fa7856efcfd39bc991c2d849eabbf7ba5989c)
Compare | [edb570cd9e75036b6c61b201a0a9a9f2301db276](https://github.com/dotnet/runtime/commit/edb570cd9e75036b6c61b201a0a9a9f2301db276)
Diff | [Diff](https://github.com/dotnet/runtime/compare/108fa7856efcfd39bc991c2d849eabbf7ba5989c...edb570cd9e75036b6c61b201a0a9a9f2301db276)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.Perf_SubstringFrozenDictionary

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[TryGetValue_False_FrozenDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.Perf_SubstringFrozenDictionary.TryGetValue_False_FrozenDictionary(Count%3a%2010).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 61.18 ns | 46.75 ns | 0.76 | 0.51 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_19_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.Perf_SubstringFrozenDictionary_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_19_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.Perf_SubstringFrozenDictionary.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.Perf_SubstringFrozenDictionary*'
```

<details>

### System.Collections.Perf_SubstringFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 10)

#### 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 | [108fa7856efcfd39bc991c2d849eabbf7ba5989c](https://github.com/dotnet/runtime/commit/108fa7856efcfd39bc991c2d849eabbf7ba5989c)
Compare | [edb570cd9e75036b6c61b201a0a9a9f2301db276](https://github.com/dotnet/runtime/commit/edb570cd9e75036b6c61b201a0a9a9f2301db276)
Diff | [Diff](https://github.com/dotnet/runtime/compare/108fa7856efcfd39bc991c2d849eabbf7ba5989c...edb570cd9e75036b6c61b201a0a9a9f2301db276)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.ContainsTrue&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Queue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.ContainsTrue(String).Queue(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrue.cs#L146-#L155>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 232.40 μs | 177.91 μs | 0.77 | 0.25 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_19_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.ContainsTrue%28String%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_19_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.ContainsTrue%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.ContainsTrue&lt;String&gt;*'
```

<details>

### System.Collections.ContainsTrue&lt;String&gt;.Queue(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 | [108fa7856efcfd39bc991c2d849eabbf7ba5989c](https://github.com/dotnet/runtime/commit/108fa7856efcfd39bc991c2d849eabbf7ba5989c)
Compare | [edb570cd9e75036b6c61b201a0a9a9f2301db276](https://github.com/dotnet/runtime/commit/edb570cd9e75036b6c61b201a0a9a9f2301db276)
Diff | [Diff](https://github.com/dotnet/runtime/compare/108fa7856efcfd39bc991c2d849eabbf7ba5989c...edb570cd9e75036b6c61b201a0a9a9f2301db276)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Count - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern%3a%20%22(%3fs).*%22%2c%20Options%3a%20None).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.RegularExpressions/Perf.Regex.Industry.cs#L193-#L195>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.58 ms | 1.46 ms | 0.92 | 0.49 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_19_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_19_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.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.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock*'
```

<details>

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "(?s).*", Options: None)

#### 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 | [108fa7856efcfd39bc991c2d849eabbf7ba5989c](https://github.com/dotnet/runtime/commit/108fa7856efcfd39bc991c2d849eabbf7ba5989c)
Compare | [edb570cd9e75036b6c61b201a0a9a9f2301db276](https://github.com/dotnet/runtime/commit/edb570cd9e75036b6c61b201a0a9a9f2301db276)
Diff | [Diff](https://github.com/dotnet/runtime/compare/108fa7856efcfd39bc991c2d849eabbf7ba5989c...edb570cd9e75036b6c61b201a0a9a9f2301db276)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in Benchstone.MDBenchF.MDSqMtx

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Test - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/Benchstone.MDBenchF.MDSqMtx.Test.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Benchstones/MDBenchF/MDSqMtx.cs#L18-#L47>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 634.69 ms | 570.27 ms | 0.90 | 0.18 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_19_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/Benchstone.MDBenchF.MDSqMtx_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_19_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/Benchstone.MDBenchF.MDSqMtx.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 'Benchstone.MDBenchF.MDSqMtx*'
```

<details>

### Benchstone.MDBenchF.MDSqMtx.Test

#### 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 | [108fa7856efcfd39bc991c2d849eabbf7ba5989c](https://github.com/dotnet/runtime/commit/108fa7856efcfd39bc991c2d849eabbf7ba5989c)
Compare | [edb570cd9e75036b6c61b201a0a9a9f2301db276](https://github.com/dotnet/runtime/commit/edb570cd9e75036b6c61b201a0a9a9f2301db276)
Diff | [Diff](https://github.com/dotnet/runtime/compare/108fa7856efcfd39bc991c2d849eabbf7ba5989c...edb570cd9e75036b6c61b201a0a9a9f2301db276)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.Perf_Frozen&lt;Int16&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Contains_True - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.Perf_Frozen(Int16).Contains_True(Count%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Frozen/Perf_Frozen.cs#L96-#L105>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.64 μs | 1.39 μs | 0.85 | 0.03 | False | | |
|<ul><li>[Contains_True - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.Perf_Frozen(Int16).Contains_True(Count%3a%2064).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Frozen/Perf_Frozen.cs#L96-#L105>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 198.05 ns | 156.19 ns | 0.79 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_19_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.Perf_Frozen%28Int16%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_19_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.Perf_Frozen%28Int16%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_19_2025/refs/heads/main_x64_ubuntu%2022.04_Improvement/System.Collections.Perf_Frozen%28Int16%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.Perf_Frozen&lt;Int16&gt;*'
```

<details>

### System.Collections.Perf_Frozen&lt;Int16&gt;.Contains_True(Count: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Perf_Frozen&lt;Int16&gt;.Contains_True(Count: 64)

#### 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	108fa7856efcfd39bc991c2d849eabbf7ba5989c
Compare	edb570cd9e75036b6c61b201a0a9a9f2301db276
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Contains_True - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.64 μs	1.39 μs	0.85	0.03	False
Contains_True - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	198.05 ns	156.19 ns	0.79	0.03	False

[Perf] Linux/x64: 8 Improvements on 8/14/2025 1:22:37 PM +00:00 #60798

Description

Run Information

Improvements in System.Collections.IterateForEach<Int32>

Repro

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.Tests.Perf_PriorityQueue<Int32, Int32>

Repro

System.Collections.Tests.Perf_PriorityQueue<Int32, Int32>.K_Max_Elements(Size: 100)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.Perf_SubstringFrozenDictionary

Repro

System.Collections.Perf_SubstringFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 10)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.ContainsTrue<String>

Repro

System.Collections.ContainsTrue<String>.Queue(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock

Repro

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "(?s).*", Options: None)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in Benchstone.MDBenchF.MDSqMtx

Repro

Benchstone.MDBenchF.MDSqMtx.Test

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.Perf_Frozen<Int16>

Repro

System.Collections.Perf_Frozen<Int16>.Contains_True(Count: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.Perf_Frozen<Int16>.Contains_True(Count: 64)

ETL Files

Histogram

JIT Disasms

Docs

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