[Perf] Linux/x64: 5 Regressions on 6/19/2024 3:30:45 PM

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [4a0a04cf3e8b8c2a3613270df7f838246e4597e8](https://github.com/dotnet/runtime/commit/4a0a04cf3e8b8c2a3613270df7f838246e4597e8)
Compare | [6d838df6888da0060984526ea26960709447f304](https://github.com/dotnet/runtime/commit/6d838df6888da0060984526ea26960709447f304)
Diff | [Diff](https://github.com/dotnet/runtime/compare/4a0a04cf3e8b8c2a3613270df7f838246e4597e8...6d838df6888da0060984526ea26960709447f304)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.IterateForEachNonGeneric&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SortedList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.IterateForEachNonGeneric(String).SortedList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEachNonGeneric.cs#L80-#L88>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.15 μs | 5.55 μs | 1.08 | 0.03 | False | | |
|<ul><li>[Queue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.IterateForEachNonGeneric(String).Queue(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEachNonGeneric.cs#L54-#L62>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.61 μs | 2.15 μs | 1.33 | 0.04 | False | | |
|<ul><li>[Stack - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.IterateForEachNonGeneric(String).Stack(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEachNonGeneric.cs#L67-#L75>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.82 μs | 1.93 μs | 1.06 | 0.02 | False | | |
|<ul><li>[ArrayList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Collections.IterateForEachNonGeneric(String).ArrayList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEachNonGeneric.cs#L28-#L36>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.17 μs | 1.76 μs | 1.50 | 0.06 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_25_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.IterateForEachNonGeneric%28String%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_25_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.IterateForEachNonGeneric%28String%29_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_25_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.IterateForEachNonGeneric%28String%29_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_25_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.IterateForEachNonGeneric%28String%29_4.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_25_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Collections.IterateForEachNonGeneric%28String%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.IterateForEachNonGeneric&lt;String&gt;*'
```

<details>

### System.Collections.IterateForEachNonGeneric&lt;String&gt;.SortedList(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.IterateForEachNonGeneric&lt;String&gt;.Queue(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.IterateForEachNonGeneric&lt;String&gt;.Stack(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.IterateForEachNonGeneric&lt;String&gt;.ArrayList(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 | [4a0a04cf3e8b8c2a3613270df7f838246e4597e8](https://github.com/dotnet/runtime/commit/4a0a04cf3e8b8c2a3613270df7f838246e4597e8)
Compare | [6d838df6888da0060984526ea26960709447f304](https://github.com/dotnet/runtime/commit/6d838df6888da0060984526ea26960709447f304)
Diff | [Diff](https://github.com/dotnet/runtime/compare/4a0a04cf3e8b8c2a3613270df7f838246e4597e8...6d838df6888da0060984526ea26960709447f304)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.Json.Serialization.Tests.WriteJson&lt;StructRecord&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SerializeToStream - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Text.Json.Serialization.Tests.WriteJson(StructRecord).SerializeToStream(Mode%3a%20Reflection).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Serializer/WriteJson.cs#L89-#L95>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 336.95 ns | 355.86 ns | 1.06 | 0.05 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_25_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Text.Json.Serialization.Tests.WriteJson%28StructRecord%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_25_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Text.Json.Serialization.Tests.WriteJson%28StructRecord%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.Text.Json.Serialization.Tests.WriteJson&lt;StructRecord&gt;*'
```

<details>

### System.Text.Json.Serialization.Tests.WriteJson&lt;StructRecord&gt;.SerializeToStream(Mode: Reflection)

#### 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	4a0a04cf3e8b8c2a3613270df7f838246e4597e8
Compare	6d838df6888da0060984526ea26960709447f304
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SortedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.15 μs	5.55 μs	1.08	0.03	False
Queue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.61 μs	2.15 μs	1.33	0.04	False
Stack - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.82 μs	1.93 μs	1.06	0.02	False
ArrayList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.17 μs	1.76 μs	1.50	0.06	False

[Perf] Linux/x64: 5 Regressions on 6/19/2024 3:30:45 PM #36880

Description

Run Information

Regressions in System.Collections.IterateForEachNonGeneric<String>

Repro

System.Collections.IterateForEachNonGeneric<String>.SortedList(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.IterateForEachNonGeneric<String>.Queue(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.IterateForEachNonGeneric<String>.Stack(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.IterateForEachNonGeneric<String>.ArrayList(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Text.Json.Serialization.Tests.WriteJson<StructRecord>

Repro

System.Text.Json.Serialization.Tests.WriteJson<StructRecord>.SerializeToStream(Mode: Reflection)

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Metadata

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