[Perf] Linux/x64: 5 Regressions on 5/28/2025 10:05:54 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [9a6481dc76bccb1239083b699e028ab9c1cda7b1](https://github.com/dotnet/runtime/commit/9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Compare | [0c884247659bf8728f2e4c42c5e5c936f42ebe6c](https://github.com/dotnet/runtime/commit/0c884247659bf8728f2e4c42c5e5c936f42ebe6c)
Diff | [Diff](https://github.com/dotnet/runtime/compare/9a6481dc76bccb1239083b699e028ab9c1cda7b1...0c884247659bf8728f2e4c42c5e5c936f42ebe6c)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.TryGetValueFalse&lt;String, String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SortedDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.TryGetValueFalse(String%2c%20String).SortedDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/TryGetValue/TryGetValueFalse.cs#L90-#L99>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 169.72 μs | 189.22 μs | 1.11 | 0.40 | False | | |
|<ul><li>[ImmutableSortedDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.TryGetValueFalse(String%2c%20String).ImmutableSortedDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/TryGetValue/TryGetValueFalse.cs#L123-#L132>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 155.53 μs | 164.83 μs | 1.06 | 0.39 | False | | |
|<ul><li>[SortedList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.TryGetValueFalse(String%2c%20String).SortedList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/TryGetValue/TryGetValueFalse.cs#L79-#L88>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 150.04 μs | 160.94 μs | 1.07 | 0.38 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.TryGetValueFalse%28String%2C%20String%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.TryGetValueFalse%28String%2C%20String%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.TryGetValueFalse%28String%2C%20String%29_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.TryGetValueFalse%28String%2C%20String%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.TryGetValueFalse&lt;String, String&gt;*'
```

<details>

### System.Collections.TryGetValueFalse&lt;String, String&gt;.SortedDictionary(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.TryGetValueFalse&lt;String, String&gt;.ImmutableSortedDictionary(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.TryGetValueFalse&lt;String, String&gt;.SortedList(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 | ViperUbuntu
Baseline | [9a6481dc76bccb1239083b699e028ab9c1cda7b1](https://github.com/dotnet/runtime/commit/9a6481dc76bccb1239083b699e028ab9c1cda7b1)
Compare | [0c884247659bf8728f2e4c42c5e5c936f42ebe6c](https://github.com/dotnet/runtime/commit/0c884247659bf8728f2e4c42c5e5c936f42ebe6c)
Diff | [Diff](https://github.com/dotnet/runtime/compare/9a6481dc76bccb1239083b699e028ab9c1cda7b1...0c884247659bf8728f2e4c42c5e5c936f42ebe6c)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.ContainsKeyFalse&lt;String, 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/ViperUbuntu/System.Collections.ContainsKeyFalse(String%2c%20String).SortedList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsKeyFalse.cs#L77-#L86>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 148.71 μs | 158.90 μs | 1.07 | 0.38 | False | | |
|<ul><li>[ImmutableSortedDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.ContainsKeyFalse(String%2c%20String).ImmutableSortedDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsKeyFalse.cs#L121-#L130>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 152.42 μs | 168.10 μs | 1.10 | 0.38 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.ContainsKeyFalse%28String%2C%20String%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.ContainsKeyFalse%28String%2C%20String%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.ContainsKeyFalse%28String%2C%20String%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&lt;String, String&gt;*'
```

<details>

### System.Collections.ContainsKeyFalse&lt;String, String&gt;.SortedList(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.ContainsKeyFalse&lt;String, String&gt;.ImmutableSortedDictionary(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	ViperUbuntu
Baseline	9a6481dc76bccb1239083b699e028ab9c1cda7b1
Compare	0c884247659bf8728f2e4c42c5e5c936f42ebe6c
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SortedDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	169.72 μs	189.22 μs	1.11	0.40	False
ImmutableSortedDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	155.53 μs	164.83 μs	1.06	0.39	False
SortedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	150.04 μs	160.94 μs	1.07	0.38	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
SortedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	148.71 μs	158.90 μs	1.07	0.38	False
ImmutableSortedDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	152.42 μs	168.10 μs	1.10	0.38	False

[Perf] Linux/x64: 5 Regressions on 5/28/2025 10:05:54 AM +00:00 #56612

Description

Run Information

Regressions in System.Collections.TryGetValueFalse<String, String>

Repro

System.Collections.TryGetValueFalse<String, String>.SortedDictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.TryGetValueFalse<String, String>.ImmutableSortedDictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.ContainsKeyFalse<String, String>

Repro

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

ETL Files

Histogram

JIT Disasms

System.Collections.ContainsKeyFalse<String, String>.ImmutableSortedDictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Metadata

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