[Perf] Linux/arm64: 15 Improvements on 3/20/2025 4:50:58 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [230a4ce927e04c0223659218873239593ebf2dd4](https://github.com/dotnet/runtime/commit/230a4ce927e04c0223659218873239593ebf2dd4)
Compare | [e9ebf41c520ed3a78d08733a54b254d12b5527a1](https://github.com/dotnet/runtime/commit/e9ebf41c520ed3a78d08733a54b254d12b5527a1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/230a4ce927e04c0223659218873239593ebf2dd4...e9ebf41c520ed3a78d08733a54b254d12b5527a1)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Buffers.Text.Tests.Utf8ParserTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[TryParseUInt32Hex - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Buffers.Text.Tests.Utf8ParserTests.TryParseUInt32Hex(value%3a%20FFFFFFFFFFFFFFFF).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/Utf8ParserTests.cs#L57-#L59>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RwW7bMAy9B8g/cLnIwdzYTteu8yBga9euRVFgaNLtrNl0rEGWAolqbaz790mxc6kOJEiRj4+PCgkIHQGHL2wzOMJudembBq1bbbGnYBy51RM1Fz+EdWjHeGuHQ/h0p+l0fYt98iyUxxJu3rwl+zyfqTBENIQ2TKkFIckOk3W+PjvJi5P1x21+URZF+aFYFaf5+dn5p/d5Xub5cuq0uDehkdWGNFJmvY79R9zfVuiqjf8WG5e1KGqXdULqY0FldCN3cfKgRSer5C+7Mt1eKkHS6AdTIyuBkUSLNUuBPXp9L3Udk6HaGvYvEvmOdCsdGSsrob4JEr8ktRFHWOmMdkkUkUeTjqvyg00P7Hk06USVjy6diPHRLeezV9hb8wcrgg1aiS6FSy9VvQ3Lbkh0+xR+Ro15vMCVCSqgfUTnFX19Rit2OJ9l2Su8tGGRCQHeBXAKWjhYLMhc95XyNS4WkGVw3QdIhWAaaKQKWFLvwPhwKAhXDs2RkEVdh6tFvatWWIKXsDUkYwE/0uwro3yn+Vu6w5h3/MA71JEkhZwF+TAoPUzhAwrnLXaoiS3/A4ibJfmQAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 11.06 ns | 8.68 ns | 0.78 | 0.26 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Buffers.Text.Tests.Utf8ParserTests_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Buffers.Text.Tests.Utf8ParserTests.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.Buffers.Text.Tests.Utf8ParserTests*'
```

<details>

### System.Buffers.Text.Tests.Utf8ParserTests.TryParseUInt32Hex(value: FFFFFFFFFFFFFFFF)

#### 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 | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [230a4ce927e04c0223659218873239593ebf2dd4](https://github.com/dotnet/runtime/commit/230a4ce927e04c0223659218873239593ebf2dd4)
Compare | [e9ebf41c520ed3a78d08733a54b254d12b5527a1](https://github.com/dotnet/runtime/commit/e9ebf41c520ed3a78d08733a54b254d12b5527a1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/230a4ce927e04c0223659218873239593ebf2dd4...e9ebf41c520ed3a78d08733a54b254d12b5527a1)
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>[SelectToList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Linq.Tests.Perf_Enumerable.SelectToList(input%3a%20Array).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L262-#L264>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 173.06 ns | 135.97 ns | 0.79 | 0.33 | False | | |
|<ul><li>[SelectToArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Linq.Tests.Perf_Enumerable.SelectToArray(input%3a%20List).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L250-#L252>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 165.16 ns | 134.51 ns | 0.81 | 0.18 | False | | |
|<ul><li>[Contains_ElementNotFound - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound(input%3a%20IEnumerable).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L289-#L291>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 293.24 ns | 205.90 ns | 0.70 | 0.01 | False | | |
|<ul><li>[SelectToList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Linq.Tests.Perf_Enumerable.SelectToList(input%3a%20List).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L262-#L264>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 176.92 ns | 148.40 ns | 0.84 | 0.34 | False | | |
|<ul><li>[Zip - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Linq.Tests.Perf_Enumerable.Zip(input%3a%20IEnumerable).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L387-#L389>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.15 μs | 751.39 ns | 0.65 | 0.07 | False | | |
|<ul><li>[SelectToArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Linq.Tests.Perf_Enumerable.SelectToArray(input%3a%20Array).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.Enumerable.cs#L250-#L252>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 152.38 ns | 127.77 ns | 0.84 | 0.14 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Linq.Tests.Perf_Enumerable_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Linq.Tests.Perf_Enumerable_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Linq.Tests.Perf_Enumerable_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Linq.Tests.Perf_Enumerable_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Linq.Tests.Perf_Enumerable_005.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Linq.Tests.Perf_Enumerable_006.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Linq.Tests.Perf_Enumerable*'
```

<details>

### System.Linq.Tests.Perf_Enumerable.SelectToList(input: Array)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.SelectToArray(input: List)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound(input: IEnumerable)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.SelectToList(input: List)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.Zip(input: IEnumerable)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_Enumerable.SelectToArray(input: Array)

#### 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 | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [230a4ce927e04c0223659218873239593ebf2dd4](https://github.com/dotnet/runtime/commit/230a4ce927e04c0223659218873239593ebf2dd4)
Compare | [e9ebf41c520ed3a78d08733a54b254d12b5527a1](https://github.com/dotnet/runtime/commit/e9ebf41c520ed3a78d08733a54b254d12b5527a1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/230a4ce927e04c0223659218873239593ebf2dd4...e9ebf41c520ed3a78d08733a54b254d12b5527a1)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig

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_arm64_ubuntu 22.04/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern%3a%20%22%5c%5cp%7bSm%7d%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#L242-#L244>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 37.57 ms | 28.66 ms | 0.76 | 0.02 | False | | |
|<ul><li>[Count - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern%3a%20%22%5c%5cp%7bSm%7d%22%2c%20Options%3a%20NonBacktracking).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.RegularExpressions/Perf.Regex.Industry.cs#L242-#L244>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 37.57 ms | 28.58 ms | 0.76 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.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_Leipzig*'
```

<details>

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern: "\\p{Sm}", Options: None)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern: "\\p{Sm}", Options: NonBacktracking)

#### 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 | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [289c443ea97de73b1b485bcaf9dc42e46ed8375a](https://github.com/dotnet/runtime/commit/289c443ea97de73b1b485bcaf9dc42e46ed8375a)
Compare | [e9ebf41c520ed3a78d08733a54b254d12b5527a1](https://github.com/dotnet/runtime/commit/e9ebf41c520ed3a78d08733a54b254d12b5527a1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/289c443ea97de73b1b485bcaf9dc42e46ed8375a...e9ebf41c520ed3a78d08733a54b254d12b5527a1)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in Span.IndexerBench

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SameIndex2 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/Span.IndexerBench.SameIndex2(length%3a%201024).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Span/Indexer.cs#L370-#L372>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.21 μs | 1.08 μs | 0.89 | 0.00 | False | | |
|<ul><li>[WriteViaIndexer2 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/Span.IndexerBench.WriteViaIndexer2(length%3a%201024).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Span/Indexer.cs#L272-#L274>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 879.87 ns | 783.88 ns | 0.89 | 0.01 | False | | |
|<ul><li>[CoveredIndex3 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/Span.IndexerBench.CoveredIndex3(length%3a%201024).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Span/Indexer.cs#L449-#L451>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RwY7TMBC9V+o/DL04Fdkm7VI1CrIEW1aA0F62FZxNMmmMHLuyJ2wrln9nnKQXLmN5PO/Ne88GCQgDgYQP4nBWdvXV1nhB/4C2ald79xs91kPvPjFoT9SWsM4375bi/XxmGK0aQs/wWhGS7jDZ5JvtXb6+2+yOeVGut2VerIr7othtd2/zvMzz5YT0eHYMFLUji5T53kb8jfenV6wgvntsQtaiqkPWKW1vA5WzjT7FzVerOl0lf8TedWdtFGlnn1yNogRBOhoQKYjn3n7Tto5NnvZO/I1CPiN90YGc15UynxSpH5rayKO8Ds6GJKYjY0lHq3Ko6aBexpJOUuV4pJMwOR7L+ewVzt79worggF5jSOGh16Y+stkDqe6cwndlepRHXrJ3nAL6Zwy9oY8cvjrhfJZlr/DSspGJAd4wOXEWARYLco+XyvQ1LhaQZfB4YUqD4BpotGEubU/gev4oCAM4CvLIP+oh5l21yhO8sGtIxgF5k3mpnOk7K/+Xex37QQ66eY40GZSC40NO+jpdn1CF3mOHlsTyHzstt0ppAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 2.06 μs | 1.55 μs | 0.75 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/Span.IndexerBench_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/Span.IndexerBench_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/Span.IndexerBench_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/Span.IndexerBench.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 'Span.IndexerBench*'
```

<details>

### Span.IndexerBench.SameIndex2(length: 1024)

#### ETL Files

#### Histogram

#### JIT Disasms

### Span.IndexerBench.WriteViaIndexer2(length: 1024)

#### ETL Files

#### Histogram

#### JIT Disasms

### Span.IndexerBench.CoveredIndex3(length: 1024)

#### 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 | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [230a4ce927e04c0223659218873239593ebf2dd4](https://github.com/dotnet/runtime/commit/230a4ce927e04c0223659218873239593ebf2dd4)
Compare | [e9ebf41c520ed3a78d08733a54b254d12b5527a1](https://github.com/dotnet/runtime/commit/e9ebf41c520ed3a78d08733a54b254d12b5527a1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/230a4ce927e04c0223659218873239593ebf2dd4...e9ebf41c520ed3a78d08733a54b254d12b5527a1)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in Span.Sorting

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[BubbleSortSpan - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/Span.Sorting.BubbleSortSpan(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Span/Sorting.cs#L42-#L44>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RTW/bMAy9B8h/4HKRg7nxx5Cu8CBg6wc2YOilDrazYtOxBlkyJKpNtva/V4qdyy4kRPE9Pj4qJCB0BBy+snoUelMbS1IfNrd+v1cYX7Gc1PIvVrAtyjX7slyoABMdoQ24VhCSHDAp83J7lRdX5eddflMV11V+vbkpyk9lsf2Y51Wer2ekxdEEIGsNaaTMeh3xF969Fbrp47/FzmU9itZlg5D60tAY3clDnHzSYpBN8o/dmWGUSpA0+tG0yCpgJNFiy1JgT17/lLqNxdBtDXuLQr4j/ZCOjJWNUPeCxG9JfeQRVjqjXRJt4TGk06r8HNOzeh5DOkvlU0pnYXxK6+XiFUZr/mBDUKOV6FK49VK1u7BsTWIYU/gllEe+C0PuTHAB7RM6r+jbM1pxwOUiy17hpQ+LzAzwIZBT8MLBakXm4dgo3+JqBVkGD8dAqRBMB51UgStcEYwPhwJ3BkdBFnUbrhb9bnphCV7C1pBMDfwi89gY5QfN/5d7muqOn3WHPpKkkLNgHwanT/PzEYXzFgfUxNbvpPb7NGICAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 258.55 μs | 219.95 μs | 0.85 | 0.30 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/Span.Sorting_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/Span.Sorting.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 'Span.Sorting*'
```

<details>

### Span.Sorting.BubbleSortSpan(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 | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [230a4ce927e04c0223659218873239593ebf2dd4](https://github.com/dotnet/runtime/commit/230a4ce927e04c0223659218873239593ebf2dd4)
Compare | [e9ebf41c520ed3a78d08733a54b254d12b5527a1](https://github.com/dotnet/runtime/commit/e9ebf41c520ed3a78d08733a54b254d12b5527a1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/230a4ce927e04c0223659218873239593ebf2dd4...e9ebf41c520ed3a78d08733a54b254d12b5527a1)
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>[FrozenSet - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Collections.CtorFromCollection(Int32).FrozenSet(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Create/CtorFromCollection.cs#L108-#L109>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 36.65 μs | 34.13 μs | 0.93 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.CtorFromCollection%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.CtorFromCollection&lt;Int32&gt;*'
```

<details>

### System.Collections.CtorFromCollection&lt;Int32&gt;.FrozenSet(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 | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [289c443ea97de73b1b485bcaf9dc42e46ed8375a](https://github.com/dotnet/runtime/commit/289c443ea97de73b1b485bcaf9dc42e46ed8375a)
Compare | [e9ebf41c520ed3a78d08733a54b254d12b5527a1](https://github.com/dotnet/runtime/commit/e9ebf41c520ed3a78d08733a54b254d12b5527a1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/289c443ea97de73b1b485bcaf9dc42e46ed8375a...e9ebf41c520ed3a78d08733a54b254d12b5527a1)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.IO.Tests.Perf_Path

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[HasExtension - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.IO.Tests.Perf_Path.HasExtension.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime.Extensions/Perf.Path.cs#L88-#L89>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RwW4TMRC9R8o/DLk4EdvdTSooCrIElIgiVFE1ERyRWc9mjbx2ZI9popZ/Z5zdcuDgGXk8782bZ4sEhJFAwjuxPUXCvvz8tdxxKZZ3GNofd4q68kbFzZHQReOdeDudWIapljAwTitCMj3OV/Xq1UW9vFhd7eo36+XV+nJZvr5cLfm8rOt1XS9GZMCDZ6DQnhxSFZLL+Gfen0G5psvvAdtYdah0rHpl/g1uvGvNPk8+OdWbZv4orn1/MFYRy7v1GsUaBBkMqEUB4j65L8bpXOTu4MWfLOQT0o2J5INplP2oSH031GUeFUz0Ls6zLTKHYlhVnmNxVi9zKEapckjFKEwOaTGdPMEh+F/YEGwxGIwFfEjG6h0vuyXVHwr4pmxCmd2+9uwChnuMydL73xjUHqeTqnqCh44XGRngBZMTexFhNiO/OTY2aZzNoKpgc2RKi+BbaI1lLuP24BN/FMQzOAsK6DT/Wva76VQgeOCtYT40yGeZx8bb1Dv5v9zTUI/yrJv7yJBFKdg+ZKdP4/UWVUwBe3QkFn8Bo1yTLmICAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 6.86 ns | 5.59 ns | 0.82 | 0.21 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.IO.Tests.Perf_Path_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_27_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.IO.Tests.Perf_Path.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.IO.Tests.Perf_Path*'
```

<details>

### System.IO.Tests.Perf_Path.HasExtension

#### 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	arm64
OS	ubuntu 22.04
Queue	AmpereUbuntu
Baseline	230a4ce927e04c0223659218873239593ebf2dd4
Compare	e9ebf41c520ed3a78d08733a54b254d12b5527a1
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SelectToList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	173.06 ns	135.97 ns	0.79	0.33	False
SelectToArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	165.16 ns	134.51 ns	0.81	0.18	False
Contains_ElementNotFound - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	293.24 ns	205.90 ns	0.70	0.01	False
SelectToList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	176.92 ns	148.40 ns	0.84	0.34	False
Zip - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.15 μs	751.39 ns	0.65	0.07	False
SelectToArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	152.38 ns	127.77 ns	0.84	0.14	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Count - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	37.57 ms	28.66 ms	0.76	0.02	False
Count - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	37.57 ms	28.58 ms	0.76	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SameIndex2 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.21 μs	1.08 μs	0.89	0.00	False
WriteViaIndexer2 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	879.87 ns	783.88 ns	0.89	0.01	False
CoveredIndex3 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.06 μs	1.55 μs	0.75	0.01	False

[Perf] Linux/arm64: 15 Improvements on 3/20/2025 4:50:58 AM +00:00 #52506

Description

Run Information

Improvements in System.Buffers.Text.Tests.Utf8ParserTests

Repro

System.Buffers.Text.Tests.Utf8ParserTests.TryParseUInt32Hex(value: FFFFFFFFFFFFFFFF)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Linq.Tests.Perf_Enumerable

Repro

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

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.SelectToArray(input: List)

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

System.Linq.Tests.Perf_Enumerable.SelectToList(input: List)

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig

Repro

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern: "\p{Sm}", Options: None)

ETL Files

Histogram

JIT Disasms

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern: "\p{Sm}", Options: NonBacktracking)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in Span.IndexerBench

Repro

Span.IndexerBench.SameIndex2(length: 1024)

ETL Files

Histogram

JIT Disasms

Span.IndexerBench.WriteViaIndexer2(length: 1024)

ETL Files

Histogram

JIT Disasms

Span.IndexerBench.CoveredIndex3(length: 1024)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in Span.Sorting

Repro

Span.Sorting.BubbleSortSpan(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.CtorFromCollection<Int32>

Repro

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

ETL Files

Histogram