[Perf] Linux/x64: 19 Regressions on 3/20/2025 1:07:06 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [522637540793a45275ac6a3136a0cd245264564c](https://github.com/dotnet/runtime/commit/522637540793a45275ac6a3136a0cd245264564c)
Compare | [f28528958c15a3b6a6d75970e09ec8d15322586a](https://github.com/dotnet/runtime/commit/f28528958c15a3b6a6d75970e09ec8d15322586a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/522637540793a45275ac6a3136a0cd245264564c...f28528958c15a3b6a6d75970e09ec8d15322586a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions 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_x64_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=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>)</li></ul> | 7.42 ns | 9.64 ns | 1.30 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Buffers.Text.Tests.Utf8ParserTests_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/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 | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [522637540793a45275ac6a3136a0cd245264564c](https://github.com/dotnet/runtime/commit/522637540793a45275ac6a3136a0cd245264564c)
Compare | [f28528958c15a3b6a6d75970e09ec8d15322586a](https://github.com/dotnet/runtime/commit/f28528958c15a3b6a6d75970e09ec8d15322586a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/522637540793a45275ac6a3136a0cd245264564c...f28528958c15a3b6a6d75970e09ec8d15322586a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in PerfLabTests.LowLevelPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GenericGenericMethod - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/PerfLabTests.LowLevelPerf.GenericGenericMethod.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/LowLevelPerf.cs#L354-#L363>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 112.84 μs | 133.82 μs | 1.19 | 0.01 | False | | |
|<ul><li>[GenericClassGenericStaticMethod - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/PerfLabTests.LowLevelPerf.GenericClassGenericStaticMethod.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/LowLevelPerf.cs#L343-#L352>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 111.48 μs | 133.83 μs | 1.20 | 0.03 | False | | |
|<ul><li>[StaticDelegate - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/PerfLabTests.LowLevelPerf.StaticDelegate.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/LowLevelPerf.cs#L283-#L290>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 200.77 μs | 222.73 μs | 1.11 | 0.02 | False | | |
|<ul><li>[ClassVirtualMethod - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/PerfLabTests.LowLevelPerf.ClassVirtualMethod.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/LowLevelPerf.cs#L173-#L184>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 111.70 μs | 133.90 μs | 1.20 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.LowLevelPerf_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.LowLevelPerf_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.LowLevelPerf_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.LowLevelPerf_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.LowLevelPerf.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 'PerfLabTests.LowLevelPerf*'
```

<details>

### PerfLabTests.LowLevelPerf.GenericGenericMethod

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.LowLevelPerf.GenericClassGenericStaticMethod

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.LowLevelPerf.StaticDelegate

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.LowLevelPerf.ClassVirtualMethod

#### 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 | [522637540793a45275ac6a3136a0cd245264564c](https://github.com/dotnet/runtime/commit/522637540793a45275ac6a3136a0cd245264564c)
Compare | [f28528958c15a3b6a6d75970e09ec8d15322586a](https://github.com/dotnet/runtime/commit/f28528958c15a3b6a6d75970e09ec8d15322586a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/522637540793a45275ac6a3136a0cd245264564c...f28528958c15a3b6a6d75970e09ec8d15322586a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Memory.Span&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IndexOfAnyTwoValues - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Memory.Span(Int32).IndexOfAnyTwoValues(Size%3a%2033).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L81-#L82>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RwY7TMBC9V+o/DL24FdkmTbuAAkYsy4pdoQppU8HZJJPGyLEje7JtYPffsZP0wmVGHr958+aNQgJCR8DhE8t7R9is99gY26/zVugPD5q26cf1gy7x/L260f3hZH4I1aFb5vIPZrDdrtj7+Ux5HlERWk9UCkKSDS7TJL2+SjZX6fVh8y5Ld9lmt95u3u7ebNLXSZIlyWrqtNga38hKQxoptp0O/RfeX1boog7/FisX1yhKFzdC6gugMLqSxzC516KRxfIvuzVNK5UgafTelMgyYCTRYskiYI+d/iZ1GYoebQ17CUK+It1LR8bKQqgvgsRPSXXgEVY6o90y+MRDiMZV+RCjQT0PIZqk8jFFkzA+ptV89gytNb+xIMjRSnQRfO6kKg9+2ZxE00YweMsPfsit8S6gfUTXKbp5QiuOOJ/F8TOcar/IxACvPDl5LxwsFmTuzoXqSlwsII7h7uwpFYKpoJLKc0l9BNP5Q4EbmoMgi/60FoLfRS0swclvDcsRwC8yz4VRXaP5/3L7se74oNvjSJJCzrx96J3up+cehessNqiJrf4Bx/Fv2HMCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 9.60 ns | 11.54 ns | 1.20 | 0.04 | False | | |
|<ul><li>[IndexOfAnyTwoValues - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Memory.Span(Int32).IndexOfAnyTwoValues(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L81-#L82>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 149.36 ns | 171.73 ns | 1.15 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Memory.Span%28Int32%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Memory.Span%28Int32%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Memory.Span%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.Memory.Span&lt;Int32&gt;*'
```

<details>

### System.Memory.Span&lt;Int32&gt;.IndexOfAnyTwoValues(Size: 33)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Int32&gt;.IndexOfAnyTwoValues(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 | [522637540793a45275ac6a3136a0cd245264564c](https://github.com/dotnet/runtime/commit/522637540793a45275ac6a3136a0cd245264564c)
Compare | [f28528958c15a3b6a6d75970e09ec8d15322586a](https://github.com/dotnet/runtime/commit/f28528958c15a3b6a6d75970e09ec8d15322586a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/522637540793a45275ac6a3136a0cd245264564c...f28528958c15a3b6a6d75970e09ec8d15322586a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.IndexerSetReverse&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[List - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.IndexerSetReverse(Int32).List(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Indexer/IndexerSetReverse.cs#L50-#L57>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 524.73 ns | 574.25 ns | 1.09 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.IndexerSetReverse%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.IndexerSetReverse%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.IndexerSetReverse&lt;Int32&gt;*'
```

<details>

### System.Collections.IndexerSetReverse&lt;Int32&gt;.List(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 | [522637540793a45275ac6a3136a0cd245264564c](https://github.com/dotnet/runtime/commit/522637540793a45275ac6a3136a0cd245264564c)
Compare | [f28528958c15a3b6a6d75970e09ec8d15322586a](https://github.com/dotnet/runtime/commit/f28528958c15a3b6a6d75970e09ec8d15322586a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/522637540793a45275ac6a3136a0cd245264564c...f28528958c15a3b6a6d75970e09ec8d15322586a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.ContainsKeyFalse&lt;Int32, 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.ContainsKeyFalse(Int32%2c%20Int32).ConcurrentDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsKeyFalse.cs#L99-#L108>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1SwW7bMAy9B8g/cLnIwdza8Wqg8KZhW9quQ9FLE2xnzaYTDbIUSPQab92/l7KTyy6kJfE9Pj7aIAFhIJDwSWyGQNhdrp0xWJN2NvC3JaVteMDhTpmAH75ZelekMKaP8bnuvUdLN3pEKD8kG/0HKyhXxVK8n88Md1AtoecWjSIk3WFS5EV5ka8uinK7uq6Kq6osL4ur67ws8rd5XuX58oT0eHAMFI0ji5T53kb8mfenV7bex3ePbcj2qJqQdaz3XFA72+pd7DxY1ek6+SvWrjtoo6LYR9egqECQRo+NSEE89fZB2yZecrV34l8U8hXpXgdyXtfK3ChSPzTtI4/yOrBLSXRQxpBOo8oxpqN6GUN6kiqnlJ6EySkt57MXOHj3i12HDXqNIYUvvTbNlofdkOoOKXxXpke55SZrxy6gf8LQG/r8G73a4XyWZS/wvOdBTgzwhsnH3cFiQe72WJu+wcUCsgxuj0xpEFwLrTbMpe0OXM+LgjCCoyDeasNbi37Xe+UJnnlqSKYCeZZ5rJ3pOyv/lztM90GOurmONBmUgu1Ddno4HR9Rhd5jx3+QWL4Cq7KbbY0CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 1.58 μs | 1.85 μs | 1.17 | 0.11 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.ContainsKeyFalse%28Int32%2C%20Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.ContainsKeyFalse%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.ContainsKeyFalse&lt;Int32, Int32&gt;*'
```

<details>

### System.Collections.ContainsKeyFalse&lt;Int32, Int32&gt;.ConcurrentDictionary(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 | [522637540793a45275ac6a3136a0cd245264564c](https://github.com/dotnet/runtime/commit/522637540793a45275ac6a3136a0cd245264564c)
Compare | [f28528958c15a3b6a6d75970e09ec8d15322586a](https://github.com/dotnet/runtime/commit/f28528958c15a3b6a6d75970e09ec8d15322586a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/522637540793a45275ac6a3136a0cd245264564c...f28528958c15a3b6a6d75970e09ec8d15322586a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.Tests.Perf_BitArray

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[BitArrayByteArrayCtor - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.Tests.Perf_BitArray.BitArrayByteArrayCtor(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L49-#L50>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RwW7bMAy9B8g/cLnIwVzbSZegyCBgTVZswFBgaILtOGg2HWuQpUCi17jr/n2UnVx2oSiRfHrv0SABYSCQ8EHs+0DYZjtnDJaknQ3ZgWsh+4q+/rHVdO+96rNrsu0Jh2RHzid7/YIbWC2Wc/F+OjGMq2pCz8CVIiTdYrIslqubYnGzXB0Wd5vlanO7ztbrd7fF3eptUWyKYn6Z9HhyPCgqRxYp952N81fcn17Zsol1j3XIG1RVyFul7bWhdLbWx/hzb1Wry+SP2Ln2pI2Koh5dhWIDgjR6rEQK4qmzX7St4iN3eyf+RiKfkD7rwNJ0qcxHReq7pibiKK8De5NE32QM6ShVDjEd2MsY0gtVOR7phZgcj/l08gon736x17BHrzGksO20qQ4sdk+qPaXwTZkOZdzCzrEL6J8wdIbuf6NXR5xO8vwVnhsWckGANwxO7EWA2Yzcw7k0XYWzGeQ5PJwZ0iC4GmptGEvbI7iOFwVhGI6EPNqKtxb9LhvlCZ5ZNSRjg7zSPJfOdK2V/9Ptx/cgB97cR5oMSsH2ITvdX66PqELnsUVLYv4PzMJeGoMCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 155.19 ns | 181.80 ns | 1.17 | 0.01 | False | | |
|<ul><li>[BitArraySetLengthGrow - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.Tests.Perf_BitArray.BitArraySetLengthGrow(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L120-#L127>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 215.32 ns | 242.45 ns | 1.13 | 0.04 | False | | |
|<ul><li>[BitArraySetLengthShrink - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.Tests.Perf_BitArray.BitArraySetLengthShrink(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.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> | 155.01 ns | 182.69 ns | 1.18 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.Tests.Perf_BitArray_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.Tests.Perf_BitArray_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.Tests.Perf_BitArray_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.Tests.Perf_BitArray.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_BitArray*'
```

<details>

### System.Collections.Tests.Perf_BitArray.BitArrayByteArrayCtor(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArraySetLengthGrow(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArraySetLengthShrink(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 | [522637540793a45275ac6a3136a0cd245264564c](https://github.com/dotnet/runtime/commit/522637540793a45275ac6a3136a0cd245264564c)
Compare | [f28528958c15a3b6a6d75970e09ec8d15322586a](https://github.com/dotnet/runtime/commit/f28528958c15a3b6a6d75970e09ec8d15322586a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/522637540793a45275ac6a3136a0cd245264564c...f28528958c15a3b6a6d75970e09ec8d15322586a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in Span.IndexerBench

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[CoveredIndex2 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/Span.IndexerBench.CoveredIndex2(length%3a%201024).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Span/Indexer.cs#L423-#L425>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 638.74 ns | 696.39 ns | 1.09 | 0.01 | False | | |
|<ul><li>[CoveredIndex1 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/Span.IndexerBench.CoveredIndex1(length%3a%201024).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Span/Indexer.cs#L396-#L398>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RTY/TMBC9V+p/GHpxKrLNR1kWBVmCLStAaC/bCs4mmTRGjh3ZE7YVy39nnLQXLmN5PO/Ne88GCQgDgYQPYj8ou/lqGzyhv0dbd5ud+40em6lXJAbtkboKirx8sxbvlwvDaNUSeoY3ipB0j0mZl7c3eXFT3h6Kd1V5V223m7u32zLPi9d5XuX5+oL0ODgGisaRRcr8aCP+yvvTK1YQ3z22IetQNSHrlbbXgdrZVh/j5rNVva6TP2Ln+kEbRdrZR9egqECQjgZECuJptN+0bWKTp70Tf6OQz0hfdCDnda3MJ0Xqh6Yu8iivg7MhienIWNLZqpxqOqmXsaQXqXI+0oswOR/r5eIFBu9+YU2wR68xpHA/atMc2OyeVD+k8F2ZEeWBl+wcp4D+CcNo6COHr464XGTZCzx3bOTCAK+YnDiLAKsVuYdTbcYGVyvIMng4MaVBcC202jCXtkdwI38UhAkcBXnkH/UQ86475Qme2TUk84C8yjzVzoy9lf/LPc/9ICfdPEeaDErB8SEnfb5cH1GF0WOPlsT6H/qpCydpAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 662.00 ns | 1.10 μs | 1.67 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/Span.IndexerBench_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/Span.IndexerBench_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/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.CoveredIndex2(length: 1024)

#### ETL Files

#### Histogram

#### JIT Disasms

### Span.IndexerBench.CoveredIndex1(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 | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [522637540793a45275ac6a3136a0cd245264564c](https://github.com/dotnet/runtime/commit/522637540793a45275ac6a3136a0cd245264564c)
Compare | [f28528958c15a3b6a6d75970e09ec8d15322586a](https://github.com/dotnet/runtime/commit/f28528958c15a3b6a6d75970e09ec8d15322586a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/522637540793a45275ac6a3136a0cd245264564c...f28528958c15a3b6a6d75970e09ec8d15322586a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.AddGivenSize&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Stack - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.AddGivenSize(Int32).Stack(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Add/AddGivenSize.cs#L106-#L114>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 679.93 ns | 810.37 ns | 1.19 | 0.08 | False | | |
|<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.AddGivenSize(Int32).Queue(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Add/AddGivenSize.cs#L96-#L104>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.02 μs | 1.13 μs | 1.11 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.AddGivenSize%28Int32%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.AddGivenSize%28Int32%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.AddGivenSize%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.AddGivenSize&lt;Int32&gt;*'
```

<details>

### System.Collections.AddGivenSize&lt;Int32&gt;.Stack(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.AddGivenSize&lt;Int32&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 | [522637540793a45275ac6a3136a0cd245264564c](https://github.com/dotnet/runtime/commit/522637540793a45275ac6a3136a0cd245264564c)
Compare | [f28528958c15a3b6a6d75970e09ec8d15322586a](https://github.com/dotnet/runtime/commit/f28528958c15a3b6a6d75970e09ec8d15322586a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/522637540793a45275ac6a3136a0cd245264564c...f28528958c15a3b6a6d75970e09ec8d15322586a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions 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_x64_ubuntu 22.04/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern%3a%20%22.%7b2%2c4%7d(Tom%7cSawyer%7cHuckleberry%7cFinn)%22%2c%20Options%3a%20Compiled).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> | 327.33 ms | 354.25 ms | 1.08 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/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: ".{2,4}(Tom|Sawyer|Huckleberry|Finn)", Options: Compiled)

#### 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 | [522637540793a45275ac6a3136a0cd245264564c](https://github.com/dotnet/runtime/commit/522637540793a45275ac6a3136a0cd245264564c)
Compare | [f28528958c15a3b6a6d75970e09ec8d15322586a](https://github.com/dotnet/runtime/commit/f28528958c15a3b6a6d75970e09ec8d15322586a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/522637540793a45275ac6a3136a0cd245264564c...f28528958c15a3b6a6d75970e09ec8d15322586a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Tests.Perf_UInt32

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ParseSpan - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Tests.Perf_UInt32.ParseSpan(value%3a%20%220%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.UInt32.cs#L38-#L40>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RwW7bMAy9B8g/cL7IwdzYddYi9SBgW1d0w1CgaNLtWKgWHWuQJUOi2wTr/n1S7Fx2IUGK7+nxUSMBoSfg8IltDp6wW25D7Zf36Jqnx++GVuXyXjiPm16Y9EXoAStIimTBPs5nOsBFQ+gCXgpCUh2mZVFenBXnZ+XF9nxdlVfVar1cr64+XJbr90VRFcViQjrsbQAyackg5W4wEX/ifXbC1G18d9j4vEUhfd4JZU4DtTWN2sWfD0Z0qk7/sGvb9UoLUtbcWYmsAkYKHUqWAXsYzA9lZGyGaWfZ3yjkFumb8mSdqoX+Kkj8UtRGHuGUt8an0R4eQzauyo8xO6rnMWSTVD6mbBLGx7SYz96gd/Y31gQbdAp9Bl8GpeU2LLsh0fUZ/Iy28mj8tQ0uoHtAP2j6/IJO7HA+y/M3eG3DIhMDvAvkFLzwkCRkb/a1HiQmCeQ53OwDpUawDTRKBy5ldmCHcCjwR3AU5NDIcLXod90KR/AatoZ0HOAnmfva6qEz/H+5h7Hv+VF3mCNFGjkL9mFw+jCVdyj84LBDQ2zxDzsvqQ5qAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 7.94 ns | 9.77 ns | 1.23 | 0.11 | False | | |
|<ul><li>[Parse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Tests.Perf_UInt32.Parse(value%3a%20%2212345%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.UInt32.cs#L43-#L45>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 9.62 ns | 10.98 ns | 1.14 | 0.07 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Tests.Perf_UInt32_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Tests.Perf_UInt32_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Tests.Perf_UInt32.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.Tests.Perf_UInt32*'
```

<details>

### System.Tests.Perf_UInt32.ParseSpan(value: "0")

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_UInt32.Parse(value: "12345")

#### 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	522637540793a45275ac6a3136a0cd245264564c
Compare	f28528958c15a3b6a6d75970e09ec8d15322586a
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
GenericGenericMethod - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	112.84 μs	133.82 μs	1.19	0.01	False
GenericClassGenericStaticMethod - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	111.48 μs	133.83 μs	1.20	0.03	False
StaticDelegate - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	200.77 μs	222.73 μs	1.11	0.02	False
ClassVirtualMethod - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	111.70 μs	133.90 μs	1.20	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
IndexOfAnyTwoValues - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.60 ns	11.54 ns	1.20	0.04	False
IndexOfAnyTwoValues - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	149.36 ns	171.73 ns	1.15	0.03	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
BitArrayByteArrayCtor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	155.19 ns	181.80 ns	1.17	0.01	False
BitArraySetLengthGrow - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	215.32 ns	242.45 ns	1.13	0.04	False
BitArraySetLengthShrink - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	155.01 ns	182.69 ns	1.18	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
CoveredIndex2 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	638.74 ns	696.39 ns	1.09	0.01	False
CoveredIndex1 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	662.00 ns	1.10 μs	1.67	0.00	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Stack - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	679.93 ns	810.37 ns	1.19	0.08	False
Queue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.02 μs	1.13 μs	1.11	0.04	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ParseSpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.94 ns	9.77 ns	1.23	0.11	False
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.62 ns	10.98 ns	1.14	0.07	False

[Perf] Linux/x64: 19 Regressions on 3/20/2025 1:07:06 AM +00:00 #113912

Description

Run Information

Regressions in System.Buffers.Text.Tests.Utf8ParserTests

Repro

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in PerfLabTests.LowLevelPerf

Repro

PerfLabTests.LowLevelPerf.GenericGenericMethod

ETL Files

Histogram

JIT Disasms

PerfLabTests.LowLevelPerf.GenericClassGenericStaticMethod

ETL Files

Histogram

JIT Disasms

PerfLabTests.LowLevelPerf.StaticDelegate

ETL Files

Histogram

JIT Disasms

PerfLabTests.LowLevelPerf.ClassVirtualMethod

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Memory.Span<Int32>

Repro

System.Memory.Span<Int32>.IndexOfAnyTwoValues(Size: 33)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Int32>.IndexOfAnyTwoValues(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.IndexerSetReverse<Int32>

Repro

System.Collections.IndexerSetReverse<Int32>.List(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.ContainsKeyFalse<Int32, Int32>

Repro

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.Tests.Perf_BitArray

Repro

System.Collections.Tests.Perf_BitArray.BitArrayByteArrayCtor(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.Tests.Perf_BitArray.BitArraySetLengthGrow(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.Tests.Perf_BitArray.BitArraySetLengthShrink(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in Span.IndexerBench

Repro

Span.IndexerBench.CoveredIndex2(length: 1024)

ETL Files

Histogram