[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=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>)</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=H4sIAAAAAAAACl1RwW4TMRC9R8o/DLk4EdvsdtUgusgSpURQ0UqoieCI3N3ZxMhrJ/a4TUT5d8bZzYXLWB6/eX7vjUECwkAg4aNYHQNhN7/Xdj9fczPMv6Nvf911XST1ZPDGe3VcHght0M6G+Qr3EW2Ny31UZqrtLlIFd/c60Ex8GI8Mc6uW0DN5owhJdzgti3JxcVlcFOX6sqwWi+rqel6U1+X7q3dvi6Iqitkw6XHneFA0jixS7qNN82feJ69svU3vHtuQb1E1Ie+UtmdA7WyrN+nno1Wdrqd/xK3rdtooYu0PrkFRgSCNHhuRgXiM9pu2TWoy2jvxNwn5gvSV7Tiva2U+K1I/NW0Tj/I6cATTlJ1MJeutylPNTuplKtkgVfZHNgiT/TEbj15h591vrAlW6DWGDD5FbZo1m12R6nYZ/FAmokwLuXWcAvpHDNHQzTN6tcHxKM9f4WXLRgYGeMPkxFkEmEzILQ+1iQ1OJpDnsDwwpUFwLbTaMJe2G3CRFwXhNJwEebQNby3lXW+VJ3hh1zDtAfIs81A7Ezsr/5d77PtBnnQzjjQZlILjQ076OFwfUIXosUNLYvYPUOLGR4cCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</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

[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)

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

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

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

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

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Regressions in PerfLabTests.CastingPerf

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PerfLabTests.CastingPerf.ObjrefValueTypeObj

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PerfLabTests.CastingPerf.IntObj

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PerfLabTests.CastingPerf.FooObjIsFoo

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PerfLabTests.CastingPerf.IFooFooIsIFoo

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PerfLabTests.CastingPerf.ObjFooIsObj2

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PerfLabTests.CastingPerf.ScalarValueTypeObj

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Regressions in System.Memory.Span<Char>

Repro

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

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

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Regressions in System.Collections.Perf_Frozen<ReferenceType>

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

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

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