[Perf] Linux/x64: 2 Regressions on 5/21/2025 2:09:44 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [c8cb0f87fe8616619462f517fcbe149b55c94354](https://github.com/dotnet/runtime/commit/c8cb0f87fe8616619462f517fcbe149b55c94354)
Compare | [febe8b158f62d6e0e3a775369792356dce1acab4](https://github.com/dotnet/runtime/commit/febe8b158f62d6e0e3a775369792356dce1acab4)
Diff | [Diff](https://github.com/dotnet/runtime/compare/c8cb0f87fe8616619462f517fcbe149b55c94354...febe8b158f62d6e0e3a775369792356dce1acab4)
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>[Span - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.ContainsTrue(Int32).Span(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrue.cs#L59-#L69>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 10.72 μs | 11.82 μs | 1.10 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_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/05_27_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&lt;Int32&gt;*'
```

<details>

### System.Collections.ContainsTrue&lt;Int32&gt;.Span(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 | [c8cb0f87fe8616619462f517fcbe149b55c94354](https://github.com/dotnet/runtime/commit/c8cb0f87fe8616619462f517fcbe149b55c94354)
Compare | [febe8b158f62d6e0e3a775369792356dce1acab4](https://github.com/dotnet/runtime/commit/febe8b158f62d6e0e3a775369792356dce1acab4)
Diff | [Diff](https://github.com/dotnet/runtime/compare/c8cb0f87fe8616619462f517fcbe149b55c94354...febe8b158f62d6e0e3a775369792356dce1acab4)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.ContainsFalse&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ICollection - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.ContainsFalse(Int32).ICollection(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsFalse.cs#L80-#L82>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 19.28 μs | 21.86 μs | 1.13 | 0.30 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.ContainsFalse%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_27_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.ContainsFalse%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.ContainsFalse&lt;Int32&gt;*'
```

<details>

### System.Collections.ContainsFalse&lt;Int32&gt;.ICollection(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>

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Uh oh!

[Perf] Linux/x64: 2 Regressions on 5/21/2025 2:09:44 PM +00:00 #116023

Run Information

Regressions in System.Collections.ContainsTrue<Int32>

Repro

System.Collections.ContainsTrue<Int32>.Span(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.ContainsFalse<Int32>

Repro

System.Collections.ContainsFalse<Int32>.ICollection(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	TigerUbuntu
Baseline	c8cb0f87fe8616619462f517fcbe149b55c94354
Compare	febe8b158f62d6e0e3a775369792356dce1acab4
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

[Perf] Linux/x64: 2 Regressions on 5/21/2025 2:09:44 PM +00:00 #116023

Description

Run Information

Regressions in System.Collections.ContainsTrue<Int32>

Repro

System.Collections.ContainsTrue<Int32>.Span(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.ContainsFalse<Int32>

Repro

System.Collections.ContainsFalse<Int32>.ICollection(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions