[Perf] Linux/x64: 8 Regressions on 1/14/2025 10:45:36 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [9fea44166064fb9ca6ef1bab9362f24c47512ae1](https://github.com/dotnet/runtime/commit/9fea44166064fb9ca6ef1bab9362f24c47512ae1)
Compare | [73bcb1d808e906808f91780aa1af23208549426f](https://github.com/dotnet/runtime/commit/73bcb1d808e906808f91780aa1af23208549426f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/9fea44166064fb9ca6ef1bab9362f24c47512ae1...73bcb1d808e906808f91780aa1af23208549426f)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[FixedTimeEquals_256Bit_FirstBitDifferent - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_FirstBitDifferent.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Security.Cryptography.Primitives/Perf.FixedTimeEquals.cs#L40-#L41>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 89.72 ns | 109.06 ns | 1.22 | 0.04 | False | | |
|<ul><li>[FixedTimeEquals_256Bit_CascadingErrors - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_CascadingErrors.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Security.Cryptography.Primitives/Perf.FixedTimeEquals.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> | 89.74 ns | 109.16 ns | 1.22 | 0.03 | False | | |
|<ul><li>[FixedTimeEquals_256Bit_Equal - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_Equal.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Security.Cryptography.Primitives/Perf.FixedTimeEquals.cs#L22-#L23>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 89.72 ns | 109.21 ns | 1.22 | 0.03 | False | | |
|<ul><li>[FixedTimeEquals_256Bit_LastBitDifferent - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_LastBitDifferent.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Security.Cryptography.Primitives/Perf.FixedTimeEquals.cs#L31-#L32>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 89.78 ns | 109.13 ns | 1.22 | 0.04 | False | | |
|<ul><li>[FixedTimeEquals_256Bit_VersusZero - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_VersusZero.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Security.Cryptography.Primitives/Perf.FixedTimeEquals.cs#L67-#L68>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl2RTW/bMAyG7wHyH7RcnGCu7QTLGmQQsDXLNmAoUDRFB+wSaDYdc5Alj6LaGOv++yQnufRCfZGvHr7UwILBsZDiY7LrHUOb7aD0hNxnG+o7tgdSXdNnd4QtMj6Byx5CgcvugGpLrTIlDPv9FzxC9YAtbP94pV326rxfLN/fIO8fgZx3P4Fs8mE80gFA1QwUCCrFwCF/uigW767m86vF/KFYrRfL9XyVXa+W16t58bYo1kUxO1cSdDYUJpVlA5yTN7H+ovuLAlwT3wlqlzegKpe3Cs0lobSmxkP8uTeqxXL6N9nYtkOtGK25tRUka5EwAkGVpCK59+Y7mipehuzQwL8I8hX4Gzq2hKXSnxWrH8hN1FGEzho3jQbLGNJTq3KI6UAvY0jPqPK0pGcweVpm49GL6Mj+hpLFDgjBpeLGox7M3bFqu1Q8Ku1BxslsbHAB6B6c1/zpCUgdYDzK8xfx3IRGzgriTRDn4IUTkwnb7bHUvoLJROS52B6DpAZha1GjDlpoDsL6MCjhhuIIRGCqMLXod9koYvEcuhbTU4K8YB5Lq31r5Gvc/nTv5MAd8hhZg0yCfRCc7s/HW1DOE7RgOJn9B98ib+asAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 89.74 ns | 109.06 ns | 1.22 | 0.02 | False | | |
|<ul><li>[FixedTimeEquals_256Bit_AllBitsDifferent - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_AllBitsDifferent.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Security.Cryptography.Primitives/Perf.FixedTimeEquals.cs#L58-#L59>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 89.76 ns | 109.06 ns | 1.22 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals_005.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals_006.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.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.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals*'
```

<details>

### System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_FirstBitDifferent

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_CascadingErrors

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_Equal

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_LastBitDifferent

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_VersusZero

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_AllBitsDifferent

#### 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 | [9fea44166064fb9ca6ef1bab9362f24c47512ae1](https://github.com/dotnet/runtime/commit/9fea44166064fb9ca6ef1bab9362f24c47512ae1)
Compare | [73bcb1d808e906808f91780aa1af23208549426f](https://github.com/dotnet/runtime/commit/73bcb1d808e906808f91780aa1af23208549426f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/9fea44166064fb9ca6ef1bab9362f24c47512ae1...73bcb1d808e906808f91780aa1af23208549426f)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.IO.Tests.Perf_StreamWriter

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[WritePartialCharArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.IO.Tests.Perf_StreamWriter.WritePartialCharArray(writeLength%3a%202).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime.Extensions/Perf.StreamWriter.cs#L72-#L94>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 79.21 ms | 83.61 ms | 1.06 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.IO.Tests.Perf_StreamWriter_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.IO.Tests.Perf_StreamWriter.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.IO.Tests.Perf_StreamWriter*'
```

<details>

### System.IO.Tests.Perf_StreamWriter.WritePartialCharArray(writeLength: 2)

#### 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 | [9fea44166064fb9ca6ef1bab9362f24c47512ae1](https://github.com/dotnet/runtime/commit/9fea44166064fb9ca6ef1bab9362f24c47512ae1)
Compare | [73bcb1d808e906808f91780aa1af23208549426f](https://github.com/dotnet/runtime/commit/73bcb1d808e906808f91780aa1af23208549426f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/9fea44166064fb9ca6ef1bab9362f24c47512ae1...73bcb1d808e906808f91780aa1af23208549426f)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.TryGetValueTrue&lt;SmallClass, SmallClass&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.TryGetValueTrue(SmallClass%2c%20SmallClass).SortedList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/TryGetValue/TryGetValueTrue.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> | 14.87 μs | 16.36 μs | 1.10 | 0.23 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.TryGetValueTrue%28SmallClass%2C%20SmallClass%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_21_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Regression/System.Collections.TryGetValueTrue%28SmallClass%2C%20SmallClass%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&lt;SmallClass, SmallClass&gt;*'
```

<details>

### System.Collections.TryGetValueTrue&lt;SmallClass, SmallClass&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>

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	ViperUbuntu
Baseline	9fea44166064fb9ca6ef1bab9362f24c47512ae1
Compare	73bcb1d808e906808f91780aa1af23208549426f
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
FixedTimeEquals_256Bit_FirstBitDifferent - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	89.72 ns	109.06 ns	1.22	0.04	False
FixedTimeEquals_256Bit_CascadingErrors - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	89.74 ns	109.16 ns	1.22	0.03	False
FixedTimeEquals_256Bit_Equal - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	89.72 ns	109.21 ns	1.22	0.03	False
FixedTimeEquals_256Bit_LastBitDifferent - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	89.78 ns	109.13 ns	1.22	0.04	False
FixedTimeEquals_256Bit_VersusZero - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	89.74 ns	109.06 ns	1.22	0.02	False
FixedTimeEquals_256Bit_AllBitsDifferent - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	89.76 ns	109.06 ns	1.22	0.01	False

[Perf] Linux/x64: 8 Regressions on 1/14/2025 10:45:36 PM +00:00 #111674

Description

Run Information

Regressions in System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals

Repro

System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_FirstBitDifferent

ETL Files

Histogram

JIT Disasms

System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_CascadingErrors

ETL Files

Histogram

JIT Disasms

System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_Equal

ETL Files

Histogram

JIT Disasms

System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_LastBitDifferent

ETL Files

Histogram

JIT Disasms

System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_VersusZero

ETL Files

Histogram

JIT Disasms

System.Security.Cryptography.Primitives.Tests.Performance.Perf_FixedTimeEquals.FixedTimeEquals_256Bit_AllBitsDifferent

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.IO.Tests.Perf_StreamWriter

Repro

System.IO.Tests.Perf_StreamWriter.WritePartialCharArray(writeLength: 2)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

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

Repro

System.Collections.TryGetValueTrue<SmallClass, SmallClass>.SortedList(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

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