[Perf] Linux/x64: 35 Regressions on 11/27/2025 11:25:03 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7](https://github.com/dotnet/runtime/commit/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7)
Compare | [ffa7570dd12487890f1bce77d3af6821bab6936a](https://github.com/dotnet/runtime/commit/ffa7570dd12487890f1bce77d3af6821bab6936a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7...ffa7570dd12487890f1bce77d3af6821bab6936a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.Perf_Ascii

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[EqualsIgnoreCase_DifferentCase_Bytes_Chars - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Text.Perf_Ascii.EqualsIgnoreCase_DifferentCase_Bytes_Chars(Size%3a%206).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encoding/Perf.Ascii.cs#L74-#L76>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 9.29 ns | 10.99 ns | 1.18 | 0.03 | False | | |
|<ul><li>[EqualsIgnoreCase_DifferentCase_Chars - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Text.Perf_Ascii.EqualsIgnoreCase_DifferentCase_Chars(Size%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encoding/Perf.Ascii.cs#L70-#L72>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 21.50 ns | 23.22 ns | 1.08 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Text.Perf_Ascii_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Text.Perf_Ascii_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Text.Perf_Ascii.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.Perf_Ascii*'
```

<details>

### System.Text.Perf_Ascii.EqualsIgnoreCase_DifferentCase_Bytes_Chars(Size: 6)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Perf_Ascii.EqualsIgnoreCase_DifferentCase_Chars(Size: 128)

#### 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 | [8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7](https://github.com/dotnet/runtime/commit/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7)
Compare | [ffa7570dd12487890f1bce77d3af6821bab6936a](https://github.com/dotnet/runtime/commit/ffa7570dd12487890f1bce77d3af6821bab6936a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7...ffa7570dd12487890f1bce77d3af6821bab6936a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IterateGetPositionMemory - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Buffers.Tests.ReadOnlySequenceTests(Byte).IterateGetPositionMemory.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L98-#L99>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl2RQY/TMBCF75X6H4Ze3Ipsk1ZbEAUj6LKCFVqB2grOJpk0Ro5d7PFuI5b/vuOkvXAZK5M3z988GyQgDAQSPohdFwjb+SbWNfow33M/zLeoqm/WdDv8E9GW2HffbTrC9/M7Qq8IPyN9d0GTdvYeW+c78XY8MuysahawdcUi0i1Ol8VydbUororlflGsF6/W16/nq+vVm9Vy8bIo1kUxO096PDoeFJUji5T7aNP8xfeXV7Zs0n+PdcgbRgx5q7S9CEpna31IN3dWtbqc/hU3rj1qo3pIV6FYgyCNHiuRgdhG+1XbKjVZ7Z34l0B4ry86kPO6VOaTIvVTU5N8lNfB2TBNyclUsmFV2desp5epZGdUORzZGUwOx2w8eoKjd7+xJNih1xgy2ERtqj0vuyPVHjP4oUxEmVK/cZwC+i2GaOjjA0d/wPEoz5/gseFFzg7wgs2JswgwmZC7PZUmVjiZQJ7D7YktDYKrodaGvbQ9gIv8UBD64QTk0Vb8ainvslGe4JG3hukgkBfMU+lMbK38H7cb+kH23KwjTQal4PiQk+7On/eoQvTYoiUxewbojcTNhQIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 20.09 ns | 23.75 ns | 1.18 | 0.06 | False | | |
|<ul><li>[IterateGetPositionSingleSegment - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Buffers.Tests.ReadOnlySequenceTests(Byte).IterateGetPositionSingleSegment.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L115-#L117>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 17.15 ns | 21.32 ns | 1.24 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Byte%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Byte%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Buffers.Tests.ReadOnlySequenceTests%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.Buffers.Tests.ReadOnlySequenceTests<Byte>*'
```

<details>

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;.IterateGetPositionMemory

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;.IterateGetPositionSingleSegment

#### 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 | [8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7](https://github.com/dotnet/runtime/commit/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7)
Compare | [ffa7570dd12487890f1bce77d3af6821bab6936a](https://github.com/dotnet/runtime/commit/ffa7570dd12487890f1bce77d3af6821bab6936a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7...ffa7570dd12487890f1bce77d3af6821bab6936a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in PerfLabTests.CastingPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ObjrefValueTypeObj - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/PerfLabTests.CastingPerf.ObjrefValueTypeObj.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L288-#L293>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 201.53 μs | 241.79 μs | 1.20 | 0.01 | False | | |
|<ul><li>[IntObj - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/PerfLabTests.CastingPerf.IntObj.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L254-#L259>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 205.04 μs | 241.27 μs | 1.18 | 0.01 | False | | |
|<ul><li>[FooObjIsFoo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/PerfLabTests.CastingPerf.FooObjIsFoo.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L173-#L178>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 205.46 μs | 241.90 μs | 1.18 | 0.02 | False | | |
|<ul><li>[IFooFooIsIFoo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/PerfLabTests.CastingPerf.IFooFooIsIFoo.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L207-#L212>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 208.60 μs | 241.01 μs | 1.16 | 0.01 | False | | |
|<ul><li>[ObjFooIsObj2 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/PerfLabTests.CastingPerf.ObjFooIsObj2.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L153-#L158>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 204.70 μs | 241.03 μs | 1.18 | 0.02 | False | | |
|<ul><li>[ScalarValueTypeObj - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/PerfLabTests.CastingPerf.ScalarValueTypeObj.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L271-#L276>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 205.41 μs | 241.13 μs | 1.17 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.CastingPerf_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.CastingPerf_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.CastingPerf_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.CastingPerf_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.CastingPerf_005.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.CastingPerf_006.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_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.ObjrefValueTypeObj

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf.IntObj

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf.FooObjIsFoo

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf.IFooFooIsIFoo

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf.ObjFooIsObj2

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.CastingPerf.ScalarValueTypeObj

#### 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 | [8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7](https://github.com/dotnet/runtime/commit/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7)
Compare | [ffa7570dd12487890f1bce77d3af6821bab6936a](https://github.com/dotnet/runtime/commit/ffa7570dd12487890f1bce77d3af6821bab6936a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7...ffa7570dd12487890f1bce77d3af6821bab6936a)
Configs | CompilationMode:tiered, 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>[ToArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Memory.Span(Char).ToArray(Size%3a%2033).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L49-#L50>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 11.36 ns | 12.96 ns | 1.14 | 0.06 | False | | |
|<ul><li>[EndsWith - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Memory.Span(Char).EndsWith(Size%3a%20512).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> | 9.90 ns | 12.13 ns | 1.23 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Memory.Span%28Char%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Memory.Span%28Char%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_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<Char>*'
```

<details>

### System.Memory.Span&lt;Char&gt;.ToArray(Size: 33)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.Span&lt;Char&gt;.EndsWith(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 | [8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7](https://github.com/dotnet/runtime/commit/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7)
Compare | [ffa7570dd12487890f1bce77d3af6821bab6936a](https://github.com/dotnet/runtime/commit/ffa7570dd12487890f1bce77d3af6821bab6936a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7...ffa7570dd12487890f1bce77d3af6821bab6936a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.Perf_Frozen&lt;ReferenceType&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Contains_True - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.Perf_Frozen(ReferenceType).Contains_True(Count%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Frozen/Perf_Frozen.cs#L96-#L105>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.19 μs | 2.44 μs | 1.11 | 0.02 | False | | |
|<ul><li>[TryGetValue_True - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.Perf_Frozen(ReferenceType).TryGetValue_True(Count%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Frozen/Perf_Frozen.cs#L82-#L91>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.90 μs | 2.07 μs | 1.09 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.Perf_Frozen%28ReferenceType%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.Perf_Frozen%28ReferenceType%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.Perf_Frozen%28ReferenceType%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Perf_Frozen<ReferenceType>*'
```

<details>

### System.Collections.Perf_Frozen&lt;ReferenceType&gt;.Contains_True(Count: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Perf_Frozen&lt;ReferenceType&gt;.TryGetValue_True(Count: 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 | [8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7](https://github.com/dotnet/runtime/commit/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7)
Compare | [ffa7570dd12487890f1bce77d3af6821bab6936a](https://github.com/dotnet/runtime/commit/ffa7570dd12487890f1bce77d3af6821bab6936a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7...ffa7570dd12487890f1bce77d3af6821bab6936a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.TryGetValueTrue&lt;Int32, Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.TryGetValueTrue(Int32%2c%20Int32).IDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/TryGetValue/TryGetValueTrue.cs#L63-#L65>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.43 μs | 1.56 μs | 1.09 | 0.08 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.TryGetValueTrue%28Int32%2C%20Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.TryGetValueTrue%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.TryGetValueTrue<Int32, Int32>*'
```

<details>

### System.Collections.TryGetValueTrue&lt;Int32, Int32&gt;.IDictionary(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 | [8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7](https://github.com/dotnet/runtime/commit/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7)
Compare | [ffa7570dd12487890f1bce77d3af6821bab6936a](https://github.com/dotnet/runtime/commit/ffa7570dd12487890f1bce77d3af6821bab6936a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7...ffa7570dd12487890f1bce77d3af6821bab6936a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.ContainsTrueComparer&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_x64_ubuntu 22.04/System.Collections.ContainsTrueComparer(Int32).FrozenSet(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrueComparer.cs#L115-#L124>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.55 μs | 1.67 μs | 1.08 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.ContainsTrueComparer%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.ContainsTrueComparer%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.ContainsTrueComparer<Int32>*'
```

<details>

### System.Collections.ContainsTrueComparer&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 | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7](https://github.com/dotnet/runtime/commit/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7)
Compare | [ffa7570dd12487890f1bce77d3af6821bab6936a](https://github.com/dotnet/runtime/commit/ffa7570dd12487890f1bce77d3af6821bab6936a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7...ffa7570dd12487890f1bce77d3af6821bab6936a)
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>[InterfaceInterfaceMethodLongHierarchy - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/PerfLabTests.LowLevelPerf.InterfaceInterfaceMethodLongHierarchy.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/LowLevelPerf.cs#L141-#L148>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 262.66 μs | 283.22 μs | 1.08 | 0.01 | False | | |
|<ul><li>[GenericClassGenericInstanceMethod - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/PerfLabTests.LowLevelPerf.GenericClassGenericInstanceMethod.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/LowLevelPerf.cs#L330-#L341>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RwW7bMAy9B8g/cLkowdzYTldsyyBgW1Z0wxKgaIPtrFp0rEGWAoluErT791Gxc9mFEiny6b1HiwSEkUDCZ3GPoV6rpy3ncb72hzU+o03F+R06DKZaWRXjcP/hIilX4Qap8Vp8Go8sY6maMDCYVoRkWpwuisXNVVlcFYttuViW5fJdOb/+UF5/LN+/LYplUcyGyYB7z4NCe3JIeehcmr/gPgX+q0nvAeuYN6h0zFtl3KWh8q42u/TzyanWVNMXsfLt3lhFxruN1yiWIMhgQC0yEA+d+2mcTkXuDl78TUTukL6bSJ71KftNkfptqEk4KpjoXZwmr2QKWS9VnmN2Zi9TyAaqsj+ygZjsj9l49Ar74P9gRfDINmLM4GtnrN6y2EdS7T6DX8p2KNMWVp5dwPCAsbP05RmD2uF4lOevcGhYyIAAbxic2IsIkwn522NlO42TCeQ53B4Z0iL4GmpjGcu4HfiOFwXxPJwIBXSat5b8rhoVCA6sGqZ9g7zQPFbedq2T/9M99fUoz7y5jwxZlILtQ3b6NKQbVLEL2KIjMfsHMQlh13cCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 109.80 μs | 131.76 μs | 1.20 | 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> | 110.16 μs | 132.09 μs | 1.20 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.LowLevelPerf_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.LowLevelPerf_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/PerfLabTests.LowLevelPerf_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_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.InterfaceInterfaceMethodLongHierarchy

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.LowLevelPerf.GenericClassGenericInstanceMethod

#### 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 | [8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7](https://github.com/dotnet/runtime/commit/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7)
Compare | [ffa7570dd12487890f1bce77d3af6821bab6936a](https://github.com/dotnet/runtime/commit/ffa7570dd12487890f1bce77d3af6821bab6936a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7...ffa7570dd12487890f1bce77d3af6821bab6936a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.ContainsTrue&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_x64_ubuntu 22.04/System.Collections.ContainsTrue(Int32).FrozenSet(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrue.cs#L272-#L281>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.43 μs | 1.55 μs | 1.08 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.ContainsTrue%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.ContainsTrue%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.ContainsTrue<Int32>*'
```

<details>

### System.Collections.ContainsTrue&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 | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7](https://github.com/dotnet/runtime/commit/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7)
Compare | [ffa7570dd12487890f1bce77d3af6821bab6936a](https://github.com/dotnet/runtime/commit/ffa7570dd12487890f1bce77d3af6821bab6936a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7...ffa7570dd12487890f1bce77d3af6821bab6936a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.Json.Tests.Perf_Get

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetInt32 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Text.Json.Tests.Perf_Get.GetInt32.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Utf8JsonReader/Perf.Get.cs#L87-#L99>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 441.72 ns | 495.40 ns | 1.12 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Text.Json.Tests.Perf_Get_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Text.Json.Tests.Perf_Get.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_Get*'
```

<details>

### System.Text.Json.Tests.Perf_Get.GetInt32

#### 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 | [8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7](https://github.com/dotnet/runtime/commit/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7)
Compare | [ffa7570dd12487890f1bce77d3af6821bab6936a](https://github.com/dotnet/runtime/commit/ffa7570dd12487890f1bce77d3af6821bab6936a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7...ffa7570dd12487890f1bce77d3af6821bab6936a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in Benchstone.BenchI.Array2

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Test - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/Benchstone.BenchI.Array2.Test.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Benchstones/BenchI/Array2.cs#L76-#L77>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 786.20 ms | 880.79 ms | 1.12 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/Benchstone.BenchI.Array2_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/Benchstone.BenchI.Array2.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'Benchstone.BenchI.Array2*'
```

<details>

### Benchstone.BenchI.Array2.Test

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7](https://github.com/dotnet/runtime/commit/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7)
Compare | [ffa7570dd12487890f1bce77d3af6821bab6936a](https://github.com/dotnet/runtime/commit/ffa7570dd12487890f1bce77d3af6821bab6936a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7...ffa7570dd12487890f1bce77d3af6821bab6936a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Linq.Tests.Perf_ImmutableArrayExtensions

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/System.Linq.Tests.Perf_ImmutableArrayExtensions.SequenceEqual(input%3a%20ICollection).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.ImmutableArrayExtensions.cs#L29-#L32>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 169.04 ns | 218.45 ns | 1.29 | 0.00 | False | | |
|<ul><li>[SequenceEqual - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Linq.Tests.Perf_ImmutableArrayExtensions.SequenceEqual(input%3a%20IList).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Linq/Perf.ImmutableArrayExtensions.cs#L29-#L32>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 168.81 ns | 213.58 ns | 1.27 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Linq.Tests.Perf_ImmutableArrayExtensions_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Linq.Tests.Perf_ImmutableArrayExtensions_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Linq.Tests.Perf_ImmutableArrayExtensions.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_ImmutableArrayExtensions*'
```

<details>

### System.Linq.Tests.Perf_ImmutableArrayExtensions.SequenceEqual(input: ICollection)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Linq.Tests.Perf_ImmutableArrayExtensions.SequenceEqual(input: IList)

#### 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 | [8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7](https://github.com/dotnet/runtime/commit/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7)
Compare | [ffa7570dd12487890f1bce77d3af6821bab6936a](https://github.com/dotnet/runtime/commit/ffa7570dd12487890f1bce77d3af6821bab6936a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7...ffa7570dd12487890f1bce77d3af6821bab6936a)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Single&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Ieee754Remainder_ScalarDivisor - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives(Single).Ieee754Remainder_ScalarDivisor(BufferLength%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_FloatingPointTensorPrimitives.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> | 1.10 μs | 1.21 μs | 1.10 | 0.10 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Single%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Single%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.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Single>*'
```

<details>

### System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Single&gt;.Ieee754Remainder_ScalarDivisor(BufferLength: 128)

#### 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 | [8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7](https://github.com/dotnet/runtime/commit/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7)
Compare | [ffa7570dd12487890f1bce77d3af6821bab6936a](https://github.com/dotnet/runtime/commit/ffa7570dd12487890f1bce77d3af6821bab6936a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7...ffa7570dd12487890f1bce77d3af6821bab6936a)
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>[ImmutableDictionary - 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).ImmutableDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsKeyFalse.cs#L110-#L119>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 9.82 μs | 10.73 μs | 1.09 | 0.53 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_02_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/12_02_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<Int32, Int32>*'
```

<details>

### System.Collections.ContainsKeyFalse&lt;Int32, Int32&gt;.ImmutableDictionary(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	TigerUbuntu
Baseline	8c2b75fdc4f042d8c22264a2e7cb7f6471d2a3a7
Compare	ffa7570dd12487890f1bce77d3af6821bab6936a
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
EqualsIgnoreCase_DifferentCase_Bytes_Chars - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.29 ns	10.99 ns	1.18	0.03	False
EqualsIgnoreCase_DifferentCase_Chars - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	21.50 ns	23.22 ns	1.08	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
IterateGetPositionMemory - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	20.09 ns	23.75 ns	1.18	0.06	False
IterateGetPositionSingleSegment - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	17.15 ns	21.32 ns	1.24	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ObjrefValueTypeObj - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	201.53 μs	241.79 μs	1.20	0.01	False
IntObj - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	205.04 μs	241.27 μs	1.18	0.01	False
FooObjIsFoo - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	205.46 μs	241.90 μs	1.18	0.02	False
IFooFooIsIFoo - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	208.60 μs	241.01 μs	1.16	0.01	False
ObjFooIsObj2 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	204.70 μs	241.03 μs	1.18	0.02	False
ScalarValueTypeObj - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	205.41 μs	241.13 μs	1.17	0.01	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ToArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	11.36 ns	12.96 ns	1.14	0.06	False
EndsWith - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.90 ns	12.13 ns	1.23	0.04	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Contains_True - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.19 μs	2.44 μs	1.11	0.02	False
TryGetValue_True - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.90 μs	2.07 μs	1.09	0.04	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
InterfaceInterfaceMethodLongHierarchy - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	262.66 μs	283.22 μs	1.08	0.01	False
GenericClassGenericInstanceMethod - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	109.80 μs	131.76 μs	1.20	0.02	False
ClassVirtualMethod - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	110.16 μs	132.09 μs	1.20	0.01	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
SequenceEqual - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	169.04 ns	218.45 ns	1.29	0.00	False
SequenceEqual - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	168.81 ns	213.58 ns	1.27	0.01	False

Uh oh!

[Perf] Linux/x64: 35 Regressions on 11/27/2025 11:25:03 AM +00:00 #122103

Description

Run Information

Regressions in System.Text.Perf_Ascii

Repro

System.Text.Perf_Ascii.EqualsIgnoreCase_DifferentCase_Bytes_Chars(Size: 6)

ETL Files

Histogram

JIT Disasms

System.Text.Perf_Ascii.EqualsIgnoreCase_DifferentCase_Chars(Size: 128)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Buffers.Tests.ReadOnlySequenceTests<Byte>

Repro

System.Buffers.Tests.ReadOnlySequenceTests<Byte>.IterateGetPositionMemory

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.ReadOnlySequenceTests<Byte>.IterateGetPositionSingleSegment

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in PerfLabTests.CastingPerf

Repro

PerfLabTests.CastingPerf.ObjrefValueTypeObj

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf.IntObj

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf.FooObjIsFoo

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf.IFooFooIsIFoo

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf.ObjFooIsObj2

ETL Files

Histogram

JIT Disasms

PerfLabTests.CastingPerf.ScalarValueTypeObj

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Memory.Span<Char>

Repro

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

ETL Files

Histogram

JIT Disasms

System.Memory.Span<Char>.EndsWith(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.Perf_Frozen<ReferenceType>

Repro

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

ETL Files

Histogram

JIT Disasms

System.Collections.Perf_Frozen<ReferenceType>.TryGetValue_True(Count: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information