[Perf] Linux/x64: 44 Regressions on 10/29/2024 12:20:22 AM

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [2864ec446610af711889f22c4bf88904d57b6bf3](https://github.com/dotnet/runtime/commit/2864ec446610af711889f22c4bf88904d57b6bf3)
Compare | [e6da8e1660dabef4a52b73f28d963fa7492066bf](https://github.com/dotnet/runtime/commit/e6da8e1660dabef4a52b73f28d963fa7492066bf)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2864ec446610af711889f22c4bf88904d57b6bf3...e6da8e1660dabef4a52b73f28d963fa7492066bf)
Configs | AOT:true, CompilationMode:wasm, 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>[Reverse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Memory.Span(Int32).Reverse(Size%3a%2033).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L46-#L47>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 18.15 ns | 21.77 ns | 1.20 | 0.35 | False | | |
|<ul><li>[SequenceCompareToDifferent - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Memory.Span(Int32).SequenceCompareToDifferent(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L58-#L59>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 17.56 ns | 23.58 ns | 1.34 | 0.44 | False | | |
|<ul><li>[EndsWith - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Memory.Span(Int32).EndsWith(Size%3a%2033).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L64-#L65>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 15.86 ns | 22.01 ns | 1.39 | 0.38 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Memory.Span%28Int32%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Memory.Span%28Int32%29_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Memory.Span%28Int32%29_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_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;.Reverse(Size: 33)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Int32&gt;.SequenceCompareToDifferent(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Int32&gt;.EndsWith(Size: 33)

#### 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 | [2864ec446610af711889f22c4bf88904d57b6bf3](https://github.com/dotnet/runtime/commit/2864ec446610af711889f22c4bf88904d57b6bf3)
Compare | [9873d40043d3739e4b7efa99a4dbd47a8922603b](https://github.com/dotnet/runtime/commit/9873d40043d3739e4b7efa99a4dbd47a8922603b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2864ec446610af711889f22c4bf88904d57b6bf3...9873d40043d3739e4b7efa99a4dbd47a8922603b)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Regressions in System.Tests.Perf_Int32

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_AOT=true_CompilationMode=wasm_RunKind=micro/System.Tests.Perf_Int32.ParseSpan(value%3a%20%224%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Int32.cs#L53-#L55>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 36.11 ns | 42.52 ns | 1.18 | 0.33 | False | | |
|<ul><li>[ParseSpan - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Tests.Perf_Int32.ParseSpan(value%3a%20%2212345%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Int32.cs#L53-#L55>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 38.21 ns | 48.61 ns | 1.27 | 0.29 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Tests.Perf_Int32_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Tests.Perf_Int32_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Tests.Perf_Int32.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_Int32*'
```

<details>

### System.Tests.Perf_Int32.ParseSpan(value: "4")

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_Int32.ParseSpan(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>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [2864ec446610af711889f22c4bf88904d57b6bf3](https://github.com/dotnet/runtime/commit/2864ec446610af711889f22c4bf88904d57b6bf3)
Compare | [9873d40043d3739e4b7efa99a4dbd47a8922603b](https://github.com/dotnet/runtime/commit/9873d40043d3739e4b7efa99a4dbd47a8922603b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2864ec446610af711889f22c4bf88904d57b6bf3...9873d40043d3739e4b7efa99a4dbd47a8922603b)
Configs | AOT:true, CompilationMode:wasm, 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>[TryParseDouble - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Buffers.Text.Tests.Utf8ParserTests.TryParseDouble(value%3a%20-1.7976931348623157e%2b308).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/Utf8ParserTests.cs#L109-#L112>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 133.24 ns | 155.00 ns | 1.16 | 0.13 | False | | |
|<ul><li>[TryParseUInt16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Buffers.Text.Tests.Utf8ParserTests.TryParseUInt16(value%3a%2065535).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/Utf8ParserTests.cs#L71-#L73>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 21.73 ns | 28.17 ns | 1.30 | 0.36 | False | | |
|<ul><li>[TryParseBool - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Buffers.Text.Tests.Utf8ParserTests.TryParseBool(value%3a%20TRUE).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/Utf8ParserTests.cs#L93-#L96>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 12.14 ns | 17.05 ns | 1.40 | 0.43 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Buffers.Text.Tests.Utf8ParserTests_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Buffers.Text.Tests.Utf8ParserTests_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Buffers.Text.Tests.Utf8ParserTests_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_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.TryParseDouble(value: -1.7976931348623157e+308)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Text.Tests.Utf8ParserTests.TryParseUInt16(value: 65535)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Text.Tests.Utf8ParserTests.TryParseBool(value: TRUE)

#### 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 | [f1ad214fb1030ca0e8129473039bb0756bd1e242](https://github.com/dotnet/runtime/commit/f1ad214fb1030ca0e8129473039bb0756bd1e242)
Compare | [9873d40043d3739e4b7efa99a4dbd47a8922603b](https://github.com/dotnet/runtime/commit/9873d40043d3739e4b7efa99a4dbd47a8922603b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f1ad214fb1030ca0e8129473039bb0756bd1e242...9873d40043d3739e4b7efa99a4dbd47a8922603b)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Regressions in System.Memory.Span&lt;Char&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SequenceCompareToDifferent - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Memory.Span(Char).SequenceCompareToDifferent(Size%3a%2033).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L58-#L59>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 19.48 ns | 23.57 ns | 1.21 | 0.31 | False | | |
|<ul><li>[LastIndexOfValue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Memory.Span(Char).LastIndexOfValue(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L93-#L94>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 9.79 ns | 13.30 ns | 1.36 | 0.41 | False | | |
|<ul><li>[IndexOfValue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Memory.Span(Char).IndexOfValue(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L78-#L79>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.79 ns | 11.91 ns | 1.53 | 0.50 | False | | |
|<ul><li>[IndexOfAnyThreeValues - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Memory.Span(Char).IndexOfAnyThreeValues(Size%3a%2033).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L84-#L85>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 13.21 ns | 17.84 ns | 1.35 | 0.41 | False | | |
|<ul><li>[SequenceEqual - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Memory.Span(Char).SequenceEqual(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L52-#L53>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 8.93 ns | 12.94 ns | 1.45 | 0.50 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Memory.Span%28Char%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Memory.Span%28Char%29_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Memory.Span%28Char%29_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Memory.Span%28Char%29_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Memory.Span%28Char%29_5.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Memory.Span%28Char%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;Char&gt;*'
```

<details>

### System.Memory.Span&lt;Char&gt;.SequenceCompareToDifferent(Size: 33)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Char&gt;.LastIndexOfValue(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Char&gt;.IndexOfValue(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Char&gt;.IndexOfAnyThreeValues(Size: 33)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Char&gt;.SequenceEqual(Size: 4)

#### 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 | [f1ad214fb1030ca0e8129473039bb0756bd1e242](https://github.com/dotnet/runtime/commit/f1ad214fb1030ca0e8129473039bb0756bd1e242)
Compare | [9873d40043d3739e4b7efa99a4dbd47a8922603b](https://github.com/dotnet/runtime/commit/9873d40043d3739e4b7efa99a4dbd47a8922603b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f1ad214fb1030ca0e8129473039bb0756bd1e242...9873d40043d3739e4b7efa99a4dbd47a8922603b)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Regressions in System.Memory.Span&lt;Byte&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SequenceEqual - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Memory.Span(Byte).SequenceEqual(Size%3a%2033).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L52-#L53>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 14.03 ns | 16.75 ns | 1.19 | 0.42 | False | | |
|<ul><li>[IndexOfAnyThreeValues - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Memory.Span(Byte).IndexOfAnyThreeValues(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L84-#L85>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 28.89 ns | 31.79 ns | 1.10 | 0.25 | False | | |
|<ul><li>[IndexOfValue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Memory.Span(Byte).IndexOfValue(Size%3a%2033).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L78-#L79>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACo1UUW/aMBB+n7T/4PGSZAOaQrcitFQD1m3dytoB6ss0VSY5iKfYjs6XQqppv312glYEUpWXxHf6Pn++u8+eAjcFggRF5uWLP2yTAgIbFyJLZpBrFkXMSzQpoBMsFAkJ3gFsjFzFaQVEWJmTFHhiTiQX6hA5wjgVBDFZQSYU873tuzOvzTyO0i6CJ/gCDH3nEtyuH7x5aQhkdwpSY9md51y9H5cEF90rlcD2ZnXHswL8uXiEIev3gz3ZWaEmWq3EukBOQivz0xvdLLxfLPrLPMICnsdOtMxFVkVTncCOt+FGPs+zqW9CJTu8FDHqPYIwIHMq/SPilTbX2YOsehU0wH81l2otFDTB3q71osybQdPSiJhnt6ildpmmxC/lEkXyOdNLnonHKteENuvNmipcbnNA60FVuePAMBNtDQq40PludWC/hSXOicucXbCEEzgz+72wd9YJB53+6SIcDE/7w/CsG/bO3w7652/CcBiGlQhsCVTC5lYcTGQIY07+JxuoJCt/FFCAO487bxUEbSZWK5/0UuvsuIqpVnqkyaJaHWvHlv23GlCuXE05gv1W1DpuwnauqijX13fTmrDXu7oq9soQRzIbQel9bFhrI1Snupgd2zKLazmGKaTkaG8a47i+l3zrV6111bfZ64Aty4Net//f5fZOyG2To/5t34Ej7AxMkVGEdn6JvzfTOj96AORru1HfFvO0GdopADI3zji1JTBXAvNNPawa12bbWGeFVNGhZFnnTVRrWCAJyiDyPlqL2Mep3IWOwnxlAi/4B/I1oUQ0BQAA>)</li></ul> | 10.76 ns | 12.20 ns | 1.13 | 0.46 | False | | |
|<ul><li>[LastIndexOfValue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Memory.Span(Byte).LastIndexOfValue(Size%3a%2033).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L93-#L94>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 13.62 ns | 17.85 ns | 1.31 | 0.41 | False | | |
|<ul><li>[StartsWith - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Memory.Span(Byte).StartsWith(Size%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L61-#L62>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 8.62 ns | 14.49 ns | 1.68 | 0.59 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Memory.Span%28Byte%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Memory.Span%28Byte%29_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Memory.Span%28Byte%29_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Memory.Span%28Byte%29_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Memory.Span%28Byte%29_5.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Memory.Span%28Byte%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;Byte&gt;*'
```

<details>

### System.Memory.Span&lt;Byte&gt;.SequenceEqual(Size: 33)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Byte&gt;.IndexOfAnyThreeValues(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Byte&gt;.IndexOfValue(Size: 33)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Byte&gt;.LastIndexOfValue(Size: 33)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Byte&gt;.StartsWith(Size: 4)

#### 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 | [2864ec446610af711889f22c4bf88904d57b6bf3](https://github.com/dotnet/runtime/commit/2864ec446610af711889f22c4bf88904d57b6bf3)
Compare | [9873d40043d3739e4b7efa99a4dbd47a8922603b](https://github.com/dotnet/runtime/commit/9873d40043d3739e4b7efa99a4dbd47a8922603b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2864ec446610af711889f22c4bf88904d57b6bf3...9873d40043d3739e4b7efa99a4dbd47a8922603b)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Regressions in System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[FixedTimeEquals_256Bit_FirstBitDifferent - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_FirstBitDifferent.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Security.Cryptography.Primitives/Perf.FixedTimeEquals.cs#L40-#L41>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 49.68 ns | 53.96 ns | 1.09 | 0.08 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.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.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals*'
```

<details>

### System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_FirstBitDifferent

#### 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 | [2864ec446610af711889f22c4bf88904d57b6bf3](https://github.com/dotnet/runtime/commit/2864ec446610af711889f22c4bf88904d57b6bf3)
Compare | [9873d40043d3739e4b7efa99a4dbd47a8922603b](https://github.com/dotnet/runtime/commit/9873d40043d3739e4b7efa99a4dbd47a8922603b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2864ec446610af711889f22c4bf88904d57b6bf3...9873d40043d3739e4b7efa99a4dbd47a8922603b)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Regressions in System.Text.Json.Tests.Perf_Reader

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ReadSingleSpanSequenceEmptyLoop - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact%3a%20False%2c%20TestCase%3a%20LotsOfStrings).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Utf8JsonReader/Perf.Reader.cs#L81-#L86>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.63 μs | 3.18 μs | 1.21 | 0.16 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Text.Json.Tests.Perf_Reader_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Text.Json.Tests.Perf_Reader.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.Json.Tests.Perf_Reader*'
```

<details>

### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: False, TestCase: LotsOfStrings)

#### 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 | [2864ec446610af711889f22c4bf88904d57b6bf3](https://github.com/dotnet/runtime/commit/2864ec446610af711889f22c4bf88904d57b6bf3)
Compare | [9873d40043d3739e4b7efa99a4dbd47a8922603b](https://github.com/dotnet/runtime/commit/9873d40043d3739e4b7efa99a4dbd47a8922603b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2864ec446610af711889f22c4bf88904d57b6bf3...9873d40043d3739e4b7efa99a4dbd47a8922603b)
Configs | AOT:true, CompilationMode:wasm, 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>[TryFormat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Tests.Perf_UInt32.TryFormat(value%3a%204294967295).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.UInt32.cs#L33-#L36>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 22.03 ns | 25.38 ns | 1.15 | 0.39 | False | | |
|<ul><li>[TryFormat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Tests.Perf_UInt32.TryFormat(value%3a%2012345).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.UInt32.cs#L33-#L36>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 18.84 ns | 20.37 ns | 1.08 | 0.39 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Tests.Perf_UInt32_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Tests.Perf_UInt32_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_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.TryFormat(value: 4294967295)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_UInt32.TryFormat(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>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [f1ad214fb1030ca0e8129473039bb0756bd1e242](https://github.com/dotnet/runtime/commit/f1ad214fb1030ca0e8129473039bb0756bd1e242)
Compare | [9873d40043d3739e4b7efa99a4dbd47a8922603b](https://github.com/dotnet/runtime/commit/9873d40043d3739e4b7efa99a4dbd47a8922603b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f1ad214fb1030ca0e8129473039bb0756bd1e242...9873d40043d3739e4b7efa99a4dbd47a8922603b)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Regressions in System.Tests.Perf_Int64

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[TryFormat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/System.Tests.Perf_Int64.TryFormat(value%3a%209223372036854775807).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Int64.cs#L40-#L42>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACo1UXW/TMBR9R+I/mL4kgX6kTdeWSkF0ZYNBC6OLeEFocpPbxii2o2unbSbEb8dOKlZ10pSXxPfqnPt57CVQVSBwEFq9fPGH7FNAIJcFy5IV5JKEIXESqQXoHhZCMw7OGewSqYjTCoiwUb0UaKJ6nDJxjpxhnDINsTYJCRPEdQ6jodMmDkVuDt4jPAKlv1IONup7565UGnjXOlX3FnBzfyP0aNiNsLyWyKl2dzQrYEreDgZBMB74wWhyMRyPLyb+2DspYlWIuRQbti2QaiaF+unMvkXOLxL+JY7GAp7HziXPWVZZS5nAkbenij/PM64vTCRHPGcxyhMCU8BzXbpPiDdSLbIdrybnNcB/VldiywQ0wd5uZVTmzaBpqVhMs1uUXFpPU+Knco0s+ZjJNc3YQ+VrQlsNVk0zXB1yQKNIUWnlTD5zaeQKGMn8eDoTY2SId5rynLwjCdVgpe0O/MGw4086QT/yJ9P+cNrvdwN/4o+C8Rvfn/p+lQQOGkRC7kxyUKHSGBsJXhtDJFn5vYACbD223srw2oRtNq6Waymzp10spZAzqQ2q1TFybJl/qwHFXAHAHMF8K2ptN2FbVVWUxeLHsiaczK7uirxSmqJWe6bT+1iR1p6JTnVNO2ZkBteyDFVwTpE9AKG4vef04Fajtd23yWuPrMuzWbf/3+z2MZENk6P8bV6FJ9gVqCLTIZr9Je7JTmv/bAdItyZQYJp5DIZmC4DErjNOTQvEtkBcVS+rxrXJIZZZwUV4nrKs/SqscxigZjqD0PlgJGKeqvJoWgpxhfIc7x8IMqb+QgUAAA==>)</li></ul> | 48.56 ns | 59.47 ns | 1.22 | 0.17 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Tests.Perf_Int64_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/System.Tests.Perf_Int64.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_Int64*'
```

<details>

### System.Tests.Perf_Int64.TryFormat(value: 9223372036854775807)

#### 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 | [2864ec446610af711889f22c4bf88904d57b6bf3](https://github.com/dotnet/runtime/commit/2864ec446610af711889f22c4bf88904d57b6bf3)
Compare | [9873d40043d3739e4b7efa99a4dbd47a8922603b](https://github.com/dotnet/runtime/commit/9873d40043d3739e4b7efa99a4dbd47a8922603b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2864ec446610af711889f22c4bf88904d57b6bf3...9873d40043d3739e4b7efa99a4dbd47a8922603b)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Regressions in PerfLabTests.CastingPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[CheckArrayIsNonvariantGenericInterface - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/PerfLabTests.CastingPerf.CheckArrayIsNonvariantGenericInterface.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L386-#L391>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 4.30 ns | 6.91 ns | 1.61 | 0.60 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/PerfLabTests.CastingPerf_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_31_2024/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro_Regression/PerfLabTests.CastingPerf.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.CastingPerf*'
```

<details>

### PerfLabTests.CastingPerf.CheckArrayIsNonvariantGenericInterface

#### 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	2864ec446610af711889f22c4bf88904d57b6bf3
Compare	e6da8e1660dabef4a52b73f28d963fa7492066bf
Diff	Diff
Configs	AOT:true, CompilationMode:wasm, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Reverse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	18.15 ns	21.77 ns	1.20	0.35	False
SequenceCompareToDifferent - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	17.56 ns	23.58 ns	1.34	0.44	False
EndsWith - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	15.86 ns	22.01 ns	1.39	0.38	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	36.11 ns	42.52 ns	1.18	0.33	False
ParseSpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	38.21 ns	48.61 ns	1.27	0.29	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
TryParseDouble - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	133.24 ns	155.00 ns	1.16	0.13	False
TryParseUInt16 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	21.73 ns	28.17 ns	1.30	0.36	False
TryParseBool - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.14 ns	17.05 ns	1.40	0.43	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SequenceCompareToDifferent - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	19.48 ns	23.57 ns	1.21	0.31	False
LastIndexOfValue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.79 ns	13.30 ns	1.36	0.41	False
IndexOfValue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.79 ns	11.91 ns	1.53	0.50	False
IndexOfAnyThreeValues - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	13.21 ns	17.84 ns	1.35	0.41	False
SequenceEqual - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.93 ns	12.94 ns	1.45	0.50	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SequenceEqual - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.03 ns	16.75 ns	1.19	0.42	False
IndexOfAnyThreeValues - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	28.89 ns	31.79 ns	1.10	0.25	False
IndexOfValue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.76 ns	12.20 ns	1.13	0.46	False
LastIndexOfValue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	13.62 ns	17.85 ns	1.31	0.41	False
StartsWith - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.62 ns	14.49 ns	1.68	0.59	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
TryFormat - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	22.03 ns	25.38 ns	1.15	0.39	False
TryFormat - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	18.84 ns	20.37 ns	1.08	0.39	False

[Perf] Linux/x64: 44 Regressions on 10/29/2024 12:20:22 AM #44099

Description

Run Information

Regressions in System.Memory.Span<Int32>

Repro

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

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Int32>.SequenceCompareToDifferent(Size: 4)

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Histogram

JIT Disasms

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

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JIT Disasms

Docs

Run Information

Regressions in System.Tests.Perf_Int32

Repro

System.Tests.Perf_Int32.ParseSpan(value: "4")

ETL Files

Histogram

JIT Disasms

System.Tests.Perf_Int32.ParseSpan(value: "12345")

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JIT Disasms

Docs

Run Information

Regressions in System.Buffers.Text.Tests.Utf8ParserTests

Repro

System.Buffers.Text.Tests.Utf8ParserTests.TryParseDouble(value: -1.7976931348623157e+308)

ETL Files

Histogram

JIT Disasms

System.Buffers.Text.Tests.Utf8ParserTests.TryParseUInt16(value: 65535)

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JIT Disasms

System.Buffers.Text.Tests.Utf8ParserTests.TryParseBool(value: TRUE)

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JIT Disasms

Docs

Run Information

Regressions in System.Memory.Span<Char>

Repro

System.Memory.Span<Char>.SequenceCompareToDifferent(Size: 33)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Char>.LastIndexOfValue(Size: 4)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Char>.IndexOfValue(Size: 4)

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Histogram

JIT Disasms

System.Memory.Span<Char>.IndexOfAnyThreeValues(Size: 33)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Char>.SequenceEqual(Size: 4)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Memory.Span<Byte>

Repro

System.Memory.Span<Byte>.SequenceEqual(Size: 33)

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Byte>.IndexOfAnyThreeValues(Size: 512)

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Histogram