[Perf] Windows/arm64: 9 Regressions on 5/22/2024 9:27:51 PM

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.22621
Queue | AmpereWindows
Baseline | [7d8d6acb59b23ba0b0b6e5d7213e797b6b514d66](https://github.com/dotnet/runtime/commit/7d8d6acb59b23ba0b0b6e5d7213e797b6b514d66)
Compare | [ee3151531aa541ffadbd0b48dcc84b5b2d22812c](https://github.com/dotnet/runtime/commit/ee3151531aa541ffadbd0b48dcc84b5b2d22812c)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7d8d6acb59b23ba0b0b6e5d7213e797b6b514d66...ee3151531aa541ffadbd0b48dcc84b5b2d22812c)
Configs | CompilationMode:tiered, RunKind:micro


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

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ImmutableStack - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/System.Collections.IterateForEach(String).ImmutableStack(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Iterate/IterateForEach.cs#L338-#L346>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 844.93 ns | 1.12 μs | 1.33 | 0.67 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_30_2024/refs/heads/main_arm64_Windows%2010.0.22621_Regression/System.Collections.IterateForEach%28String%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_30_2024/refs/heads/main_arm64_Windows%2010.0.22621_Regression/System.Collections.IterateForEach%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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.IterateForEach&lt;String&gt;*'
```

<details>

### System.Collections.IterateForEach&lt;String&gt;.ImmutableStack(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 | arm64
OS | Windows 10.0.22621
Queue | AmpereWindows
Baseline | [153a94b88d77cfe133682e05191bc41914af6b21](https://github.com/dotnet/runtime/commit/153a94b88d77cfe133682e05191bc41914af6b21)
Compare | [ee3151531aa541ffadbd0b48dcc84b5b2d22812c](https://github.com/dotnet/runtime/commit/ee3151531aa541ffadbd0b48dcc84b5b2d22812c)
Diff | [Diff](https://github.com/dotnet/runtime/compare/153a94b88d77cfe133682e05191bc41914af6b21...ee3151531aa541ffadbd0b48dcc84b5b2d22812c)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in GuardedDevirtualization.TwoClassVirtual

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Call - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/GuardedDevirtualization.TwoClassVirtual.Call(testInput%3a%20pB%20%3d%200.70).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Devirtualization/GuardedTwoClassVirtual.cs#L29-#L41>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.79 ns | 5.01 ns | 2.80 | 0.76 | False | | |
|<ul><li>[Call - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/GuardedDevirtualization.TwoClassVirtual.Call(testInput%3a%20pB%20%3d%200.20).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Devirtualization/GuardedTwoClassVirtual.cs#L29-#L41>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.77 ns | 3.65 ns | 2.07 | 0.76 | False | | |
|<ul><li>[Call - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/GuardedDevirtualization.TwoClassVirtual.Call(testInput%3a%20pB%20%3d%200.40).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Devirtualization/GuardedTwoClassVirtual.cs#L29-#L41>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.94 ns | 5.45 ns | 1.85 | 0.86 | False | | |
|<ul><li>[Call - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/GuardedDevirtualization.TwoClassVirtual.Call(testInput%3a%20pB%20%3d%200.50).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Devirtualization/GuardedTwoClassVirtual.cs#L29-#L41>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.08 ns | 4.54 ns | 1.48 | 0.79 | False | | |
|<ul><li>[Call - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/GuardedDevirtualization.TwoClassVirtual.Call(testInput%3a%20pB%20%3d%200.90).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Devirtualization/GuardedTwoClassVirtual.cs#L29-#L41>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.19 ns | 2.42 ns | 2.03 | 0.73 | False | | |
|<ul><li>[Call - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/GuardedDevirtualization.TwoClassVirtual.Call(testInput%3a%20pB%20%3d%200.10).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Devirtualization/GuardedTwoClassVirtual.cs#L29-#L41>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.02 ns | 2.28 ns | 2.22 | 0.75 | False | | |
|<ul><li>[Call - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/GuardedDevirtualization.TwoClassVirtual.Call(testInput%3a%20pB%20%3d%200.80).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Devirtualization/GuardedTwoClassVirtual.cs#L29-#L41>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.68 ns | 3.29 ns | 1.96 | 0.78 | False | | |
|<ul><li>[Call - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.22621/GuardedDevirtualization.TwoClassVirtual.Call(testInput%3a%20pB%20%3d%200.60).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Devirtualization/GuardedTwoClassVirtual.cs#L29-#L41>)</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 ns | 5.70 ns | 3.00 | 0.80 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_30_2024/refs/heads/main_arm64_Windows%2010.0.22621_Regression/GuardedDevirtualization.TwoClassVirtual_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_30_2024/refs/heads/main_arm64_Windows%2010.0.22621_Regression/GuardedDevirtualization.TwoClassVirtual_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_30_2024/refs/heads/main_arm64_Windows%2010.0.22621_Regression/GuardedDevirtualization.TwoClassVirtual_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_30_2024/refs/heads/main_arm64_Windows%2010.0.22621_Regression/GuardedDevirtualization.TwoClassVirtual_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_30_2024/refs/heads/main_arm64_Windows%2010.0.22621_Regression/GuardedDevirtualization.TwoClassVirtual_5.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_30_2024/refs/heads/main_arm64_Windows%2010.0.22621_Regression/GuardedDevirtualization.TwoClassVirtual_6.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_30_2024/refs/heads/main_arm64_Windows%2010.0.22621_Regression/GuardedDevirtualization.TwoClassVirtual_7.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_30_2024/refs/heads/main_arm64_Windows%2010.0.22621_Regression/GuardedDevirtualization.TwoClassVirtual_8.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_30_2024/refs/heads/main_arm64_Windows%2010.0.22621_Regression/GuardedDevirtualization.TwoClassVirtual.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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'GuardedDevirtualization.TwoClassVirtual*'
```

<details>

### GuardedDevirtualization.TwoClassVirtual.Call(testInput: pB = 0.70)

#### ETL Files

#### Histogram

#### JIT Disasms

### GuardedDevirtualization.TwoClassVirtual.Call(testInput: pB = 0.20)

#### ETL Files

#### Histogram

#### JIT Disasms

### GuardedDevirtualization.TwoClassVirtual.Call(testInput: pB = 0.40)

#### ETL Files

#### Histogram

#### JIT Disasms

### GuardedDevirtualization.TwoClassVirtual.Call(testInput: pB = 0.50)

#### ETL Files

#### Histogram

#### JIT Disasms

### GuardedDevirtualization.TwoClassVirtual.Call(testInput: pB = 0.90)

#### ETL Files

#### Histogram

#### JIT Disasms

### GuardedDevirtualization.TwoClassVirtual.Call(testInput: pB = 0.10)

#### ETL Files

#### Histogram

#### JIT Disasms

### GuardedDevirtualization.TwoClassVirtual.Call(testInput: pB = 0.80)

#### ETL Files

#### Histogram

#### JIT Disasms

### GuardedDevirtualization.TwoClassVirtual.Call(testInput: pB = 0.60)

#### 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	arm64
OS	Windows 10.0.22621
Queue	AmpereWindows
Baseline	7d8d6acb59b23ba0b0b6e5d7213e797b6b514d66
Compare	ee3151531aa541ffadbd0b48dcc84b5b2d22812c
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Call - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.79 ns	5.01 ns	2.80	0.76	False
Call - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.77 ns	3.65 ns	2.07	0.76	False
Call - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.94 ns	5.45 ns	1.85	0.86	False
Call - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.08 ns	4.54 ns	1.48	0.79	False
Call - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.19 ns	2.42 ns	2.03	0.73	False
Call - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.02 ns	2.28 ns	2.22	0.75	False
Call - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.68 ns	3.29 ns	1.96	0.78	False
Call - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.90 ns	5.70 ns	3.00	0.80	False

[Perf] Windows/arm64: 9 Regressions on 5/22/2024 9:27:51 PM #35381

Description

Run Information

Regressions in System.Collections.IterateForEach<String>

Repro

System.Collections.IterateForEach<String>.ImmutableStack(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in GuardedDevirtualization.TwoClassVirtual

Repro

GuardedDevirtualization.TwoClassVirtual.Call(testInput: pB = 0.70)

ETL Files

Histogram

JIT Disasms

GuardedDevirtualization.TwoClassVirtual.Call(testInput: pB = 0.20)

ETL Files

Histogram

JIT Disasms

GuardedDevirtualization.TwoClassVirtual.Call(testInput: pB = 0.40)

ETL Files

Histogram

JIT Disasms

GuardedDevirtualization.TwoClassVirtual.Call(testInput: pB = 0.50)

ETL Files

Histogram

JIT Disasms

GuardedDevirtualization.TwoClassVirtual.Call(testInput: pB = 0.90)

ETL Files

Histogram

JIT Disasms

GuardedDevirtualization.TwoClassVirtual.Call(testInput: pB = 0.10)

ETL Files

Histogram

JIT Disasms

GuardedDevirtualization.TwoClassVirtual.Call(testInput: pB = 0.80)

ETL Files

Histogram

JIT Disasms

GuardedDevirtualization.TwoClassVirtual.Call(testInput: pB = 0.60)

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Metadata

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