[Perf] Linux/x64: 20 Improvements on 5/28/2025 2:43:13 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [2a47838c6d353b783ca8466e40d7db756f2d2acf](https://github.com/dotnet/runtime/commit/2a47838c6d353b783ca8466e40d7db756f2d2acf)
Compare | [ffcd1c5442a0c6e5317efa46d6ce381003397476](https://github.com/dotnet/runtime/commit/ffcd1c5442a0c6e5317efa46d6ce381003397476)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2a47838c6d353b783ca8466e40d7db756f2d2acf...ffcd1c5442a0c6e5317efa46d6ce381003397476)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.IndexerSet&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ConcurrentDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.IndexerSet(Int32).ConcurrentDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Indexer/IndexerSet.cs#L137-#L145>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.90 μs | 7.34 μs | 0.93 | 0.07 | False | | |
|<ul><li>[Dictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Collections.IndexerSet(Int32).Dictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Indexer/IndexerSet.cs#L86-#L94>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.27 μs | 1.32 μs | 0.58 | 0.25 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Collections.IndexerSet%28Int32%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Collections.IndexerSet%28Int32%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_Improvement/System.Collections.IndexerSet%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.IndexerSet&lt;Int32&gt;*'
```

<details>

### System.Collections.IndexerSet&lt;Int32&gt;.ConcurrentDictionary(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.IndexerSet&lt;Int32&gt;.Dictionary(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 | [2a47838c6d353b783ca8466e40d7db756f2d2acf](https://github.com/dotnet/runtime/commit/2a47838c6d353b783ca8466e40d7db756f2d2acf)
Compare | [ffcd1c5442a0c6e5317efa46d6ce381003397476](https://github.com/dotnet/runtime/commit/ffcd1c5442a0c6e5317efa46d6ce381003397476)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2a47838c6d353b783ca8466e40d7db756f2d2acf...ffcd1c5442a0c6e5317efa46d6ce381003397476)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.IO.Compression.ZLib

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Decompress - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.IO.Compression.ZLib.Decompress(level%3a%20Optimal%2c%20file%3a%20%22alice29.txt%22).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 285.26 μs | 246.86 μs | 0.87 | 0.08 | False | | |
|<ul><li>[Decompress - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.IO.Compression.ZLib.Decompress(level%3a%20Fastest%2c%20file%3a%20%22alice29.txt%22).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 382.86 μs | 339.65 μs | 0.89 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.IO.Compression.ZLib_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.IO.Compression.ZLib_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.IO.Compression.ZLib.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.Compression.ZLib*'
```

<details>

### System.IO.Compression.ZLib.Decompress(level: Optimal, file: "alice29.txt")

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Compression.ZLib.Decompress(level: Fastest, file: "alice29.txt")

#### 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 | [2a47838c6d353b783ca8466e40d7db756f2d2acf](https://github.com/dotnet/runtime/commit/2a47838c6d353b783ca8466e40d7db756f2d2acf)
Compare | [ffcd1c5442a0c6e5317efa46d6ce381003397476](https://github.com/dotnet/runtime/commit/ffcd1c5442a0c6e5317efa46d6ce381003397476)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2a47838c6d353b783ca8466e40d7db756f2d2acf...ffcd1c5442a0c6e5317efa46d6ce381003397476)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in BenchmarksGame.KNucleotide_1

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[RunBench - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/BenchmarksGame.KNucleotide_1.RunBench.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/BenchmarksGame/k-nucleotide-1.cs#L90-#L95>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 218.52 ms | 183.86 ms | 0.84 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/BenchmarksGame.KNucleotide_1_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/BenchmarksGame.KNucleotide_1.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 'BenchmarksGame.KNucleotide_1*'
```

<details>

### BenchmarksGame.KNucleotide_1.RunBench

#### 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 | [2a47838c6d353b783ca8466e40d7db756f2d2acf](https://github.com/dotnet/runtime/commit/2a47838c6d353b783ca8466e40d7db756f2d2acf)
Compare | [ffcd1c5442a0c6e5317efa46d6ce381003397476](https://github.com/dotnet/runtime/commit/ffcd1c5442a0c6e5317efa46d6ce381003397476)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2a47838c6d353b783ca8466e40d7db756f2d2acf...ffcd1c5442a0c6e5317efa46d6ce381003397476)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in Devirtualization.EqualityComparer

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ValueTupleCompareCached - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/Devirtualization.EqualityComparer.ValueTupleCompareCached.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Devirtualization/DefaultEqualityComparerPerf.cs#L78-#L79>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.36 ns | 0.86 ns | 0.36 | 0.07 | False | | |
|<ul><li>[ValueTupleCompareWrapped - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/Devirtualization.EqualityComparer.ValueTupleCompareWrapped.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Devirtualization/DefaultEqualityComparerPerf.cs#L81-#L82>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.78 ns | 0.62 ns | 0.35 | 0.05 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/Devirtualization.EqualityComparer_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/Devirtualization.EqualityComparer_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/Devirtualization.EqualityComparer.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 'Devirtualization.EqualityComparer*'
```

<details>

### Devirtualization.EqualityComparer.ValueTupleCompareCached

#### ETL Files

#### Histogram

#### JIT Disasms

### Devirtualization.EqualityComparer.ValueTupleCompareWrapped

#### 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 | [2a47838c6d353b783ca8466e40d7db756f2d2acf](https://github.com/dotnet/runtime/commit/2a47838c6d353b783ca8466e40d7db756f2d2acf)
Compare | [ffcd1c5442a0c6e5317efa46d6ce381003397476](https://github.com/dotnet/runtime/commit/ffcd1c5442a0c6e5317efa46d6ce381003397476)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2a47838c6d353b783ca8466e40d7db756f2d2acf...ffcd1c5442a0c6e5317efa46d6ce381003397476)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.IO.Compression.Deflate

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Decompress - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.IO.Compression.Deflate.Decompress(level%3a%20Fastest%2c%20file%3a%20%22alice29.txt%22).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1Ry27bMBC8G/A/bHWhjSqS6rhJo4JA2zzaoggKxEZ7ZqWVxYIiDXKV2Gjy71lK8qUXLricHc7MGiQgDAQSPonNMRB22fef2bXr9h5D0M5mN9gYRci1mroLg49oSrhTjA+UQqMNlpAooytcXWV0oGQpPs5nhtlVQ+iZvmYO0h0uVsXq/VmxPivOt+9W5fqyXJ9nFxdXHy7Xq7dFURbFcpr0uHc8KGpHFin3vY3zJ94/Xtmqje8em5C3qOqQd0rbE6ByttG7+PPRqk5Xi38i2tJshm3duxpFCYI0eqxFCuKhtz+0rWOT0d6JlyjkK9I3Hch5XSlzo0j91tRGHuV1cDYsYgJyjGGwKoczHdTLeKSTVDmWdBImx7Kcz55h791frAg26DWGFL702tRbNrsh1e1T+KVMj3LLn1w7TgH9A4be0OdH9GqH81meP8NTy0YmBnjD5MRZBEgScreHyvQ1JgnkOdwemNIguCaujbm03YHreVEQhuEoyKOteWsx76pVnuCJXcNiBMiTzEPlTN9Z+b/c49gPctDNONJkUAqODznp43S9RxV6jx1aEstXDV0uv4kCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 384.88 μs | 338.88 μs | 0.88 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.IO.Compression.Deflate_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.IO.Compression.Deflate.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.Compression.Deflate*'
```

<details>

### System.IO.Compression.Deflate.Decompress(level: Fastest, file: "alice29.txt")

#### 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 | [2a47838c6d353b783ca8466e40d7db756f2d2acf](https://github.com/dotnet/runtime/commit/2a47838c6d353b783ca8466e40d7db756f2d2acf)
Compare | [ffcd1c5442a0c6e5317efa46d6ce381003397476](https://github.com/dotnet/runtime/commit/ffcd1c5442a0c6e5317efa46d6ce381003397476)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2a47838c6d353b783ca8466e40d7db756f2d2acf...ffcd1c5442a0c6e5317efa46d6ce381003397476)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Net.Primitives.Tests.CredentialCacheTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetCredential_HostPort - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host%3a%20%22notfound%22%2c%20hostPortCount%3a%2010).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Net.Primitives/CredentialCacheTests.cs#L43-#L52>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 36.12 ns | 21.46 ns | 0.59 | 0.31 | False | | |
|<ul><li>[GetCredential_HostPort - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host%3a%20%22notfound%22%2c%20hostPortCount%3a%200).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Net.Primitives/CredentialCacheTests.cs#L43-#L52>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1S32vbMBB+D+R/uPlFCXNtN03o6iHYlpUVRkdpwvY4NPsca8hSkM5twrr/vafYYbCXk3Q/vvvuOxkkIAwEEj6IzTEQdtk3pOzB606TfsKQbTkcsrXHGi1pZdaqanFwfkH65/955wI9OE+zli8lJNZR43pbJym0Y2jNbw4Vc/F+OjHcWzWEnpvXipB0h7NFsVhdFMuL4mp7uShX78rlZXZ9c7Ncrq7fFkVZFPOx0uPecaGoHVmk3DMw159xf3llqzbGPTYhb1HVIe+UtueEytlG72Lno1WdrmZ/xNp1e20UaWfvXY2iBEEaeT6Rgnjs7Vdt6+jkbO/E30iEBbjTgZzXlTKfFakfmtqIo7wOzoZZ1FZGkw6jypNNT+xlNOlIVQ5HOhKTwzGfTl5g791vrAg26DWGFD712tRbHnZDqtun8F2ZHmXcyEle9I8YekMfn9CrHU4nef4Czy0PMiLAGwYn1iJAkpC7PVSmrzFJIM/h9sCQBsE10GjDWNruwPW8KAin4kjIo615a1HvqlWe4JmnhtmQIM80D5UzfWfl/3SPgz/IE2/OI00GpWD5kJU+js97VKH32PHnEvNXWdiH16cCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 19.47 ns | 4.22 ns | 0.22 | 0.55 | False | | |
|<ul><li>[GetCredential_HostPort - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host%3a%20%22name5%22%2c%20hostPortCount%3a%2010).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Net.Primitives/CredentialCacheTests.cs#L43-#L52>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 38.76 ns | 28.63 ns | 0.74 | 0.23 | False | | |
|<ul><li>[GetCredential_Uri - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_Uri(uriString%3a%20%22http%3a%2f%2fnotfound%22%2c%20uriCount%3a%200).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Net.Primitives/CredentialCacheTests.cs#L32-#L41>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1S32/TMBB+r9T/4chLWpE1abeBGmQJKNOQ0NC0FnhEJrk0hxy7si9bK8b/zrlpNYmXs30/vvvuOxtkYAwMCt6n60Ng7GZfkWf3njpiesQw20g4zFYea7RM2qx01eLgvEV+8f/85mnSe1qzJ7stIWmZd2WeW8eN622dZCDRlVy5hGKavhuPjHTXDaOX9rVmZOpwsigW1xfF1UVxuZkvyutlWcxny7dX8+Xlm9dFURbF9FTpceekMK0dW+TcC7DUn3F/eW2rNsY9NiFvUdch7zTZc0LlbEPb2PlgdUfV5E+6ct2OjGZy9s7VmJaQMqFMmGaQPvT2C9k6OiXbu/RvJCISfKbAzlOlzSfN+gdxG3G0p+BsmER1VTTZMKo62uzIXkWTnaiq4chOxNRwTMejZ9h59xsrhjV6wpDBx55MvZFh16y7XQbftelRxZ0c5UX/gKE3/OERvd7ieJTnz/DUyiAnBHgl4CxaBEgSdjf7yvQ1JgnkOdzsBdIguAYaMoIlywTXy6IgHIsjIY+2lq1FvatWe4YnmRomQ4I609xXzvSdVf/TPQz+oI68JY+JDapU5ENR+nB63qEOvcdOvlc6/Qf1bRMsqQIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 56.94 ns | 40.48 ns | 0.71 | 0.12 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Net.Primitives.Tests.CredentialCacheTests_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Net.Primitives.Tests.CredentialCacheTests_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Net.Primitives.Tests.CredentialCacheTests_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Net.Primitives.Tests.CredentialCacheTests_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Net.Primitives.Tests.CredentialCacheTests.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.Net.Primitives.Tests.CredentialCacheTests*'
```

<details>

### System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host: "notfound", hostPortCount: 10)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host: "notfound", hostPortCount: 0)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host: "name5", hostPortCount: 10)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_Uri(uriString: "http://notfound", uriCount: 0)

#### 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 | [2a47838c6d353b783ca8466e40d7db756f2d2acf](https://github.com/dotnet/runtime/commit/2a47838c6d353b783ca8466e40d7db756f2d2acf)
Compare | [ffcd1c5442a0c6e5317efa46d6ce381003397476](https://github.com/dotnet/runtime/commit/ffcd1c5442a0c6e5317efa46d6ce381003397476)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2a47838c6d353b783ca8466e40d7db756f2d2acf...ffcd1c5442a0c6e5317efa46d6ce381003397476)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Formats.Cbor.Tests.Perf_CborReader

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SkipValue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Formats.Cbor.Tests.Perf_CborReader.SkipValue(encoding%3a%20(Map%2c%20Canonical)).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Formats.Cbor/Perf.CborReader.cs#L25-#L31>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 389.77 ns | 367.68 ns | 0.94 | 0.03 | False | | |
|<ul><li>[ReadCoseKey - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Formats.Cbor.Tests.Perf_CborReader.ReadCoseKey(publicKey%3a%20ECDSA_P384).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Formats.Cbor/Perf.CborReader.cs#L15-#L21>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 311.08 ns | 289.46 ns | 0.93 | 0.10 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Formats.Cbor.Tests.Perf_CborReader_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Formats.Cbor.Tests.Perf_CborReader_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Formats.Cbor.Tests.Perf_CborReader.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.Formats.Cbor.Tests.Perf_CborReader*'
```

<details>

### System.Formats.Cbor.Tests.Perf_CborReader.SkipValue(encoding: (Map, Canonical))

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Formats.Cbor.Tests.Perf_CborReader.ReadCoseKey(publicKey: ECDSA_P384)

#### 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 | [2a47838c6d353b783ca8466e40d7db756f2d2acf](https://github.com/dotnet/runtime/commit/2a47838c6d353b783ca8466e40d7db756f2d2acf)
Compare | [ffcd1c5442a0c6e5317efa46d6ce381003397476](https://github.com/dotnet/runtime/commit/ffcd1c5442a0c6e5317efa46d6ce381003397476)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2a47838c6d353b783ca8466e40d7db756f2d2acf...ffcd1c5442a0c6e5317efa46d6ce381003397476)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.IO.Compression.Gzip

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Decompress - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.IO.Compression.Gzip.Decompress(level%3a%20Optimal%2c%20file%3a%20%22alice29.txt%22).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 280.12 μs | 247.19 μs | 0.88 | 0.05 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.IO.Compression.Gzip_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.IO.Compression.Gzip.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.Compression.Gzip*'
```

<details>

### System.IO.Compression.Gzip.Decompress(level: Optimal, file: "alice29.txt")

#### 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 | [2a47838c6d353b783ca8466e40d7db756f2d2acf](https://github.com/dotnet/runtime/commit/2a47838c6d353b783ca8466e40d7db756f2d2acf)
Compare | [ffcd1c5442a0c6e5317efa46d6ce381003397476](https://github.com/dotnet/runtime/commit/ffcd1c5442a0c6e5317efa46d6ce381003397476)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2a47838c6d353b783ca8466e40d7db756f2d2acf...ffcd1c5442a0c6e5317efa46d6ce381003397476)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in LinqBenchmarks

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[AggregateBy00LinqMethodX - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/LinqBenchmarks.AggregateBy00LinqMethodX.html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.25 secs | 2.01 secs | 0.89 | 0.01 | False | | |
|<ul><li>[CountBy00LinqMethodX - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/LinqBenchmarks.CountBy00LinqMethodX.html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RwW4TMRC9R8o/THNxom67JklFCbIEKRVIkEsbAVezns0avHawZ9tElH9nvJtcuMzI43lv3rxxSECYCBS8E1+s/71GXzWtjr/S9V3oPK2PUub6BqkJ5rt4Ox45xuiaMDLIaEKyLU7ncn5zJZdXcrF9tVjJ29V8ef1Gvl7eLm4upVxJOTshI+4DA4UJ5JHKyDMYf+b9ETXPz/8R61Q2qE0qW239uaEKvra7PPnodWur6R9xF9q9dZps8JtgUKxAkMWIRhQgHjr/2XqTi9wdg/ibhXxE+mQThWgr7T5o0t8sNZlHR5uCT9PsicqhGFZVfSx69SqH4iRVDak4CVNDmo1HL7CP4SdWBI8YLaYC1p11ZsvLPpJu9wV81a5DteUhvdMYHzB1jt4/YdQ7HI/K8gWeG17kxAAXTE7sRYLJhML9oXKdwckEyhLuD0zpEEINtXXMZf0OQseHgtSDs6CI3vDVst9VoyPBM28N06FBnWUequC61qv/5R6HelK9bu4jSw6VYPuQnT6enhvUqYvYoicx+wdZe8uhXwIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 1.21 secs | 1.03 secs | 0.85 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/LinqBenchmarks_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/LinqBenchmarks_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/LinqBenchmarks.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 'LinqBenchmarks*'
```

<details>

### LinqBenchmarks.AggregateBy00LinqMethodX

#### ETL Files

#### Histogram

#### JIT Disasms

### LinqBenchmarks.CountBy00LinqMethodX

#### 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 | [2a47838c6d353b783ca8466e40d7db756f2d2acf](https://github.com/dotnet/runtime/commit/2a47838c6d353b783ca8466e40d7db756f2d2acf)
Compare | [ffcd1c5442a0c6e5317efa46d6ce381003397476](https://github.com/dotnet/runtime/commit/ffcd1c5442a0c6e5317efa46d6ce381003397476)
Diff | [Diff](https://github.com/dotnet/runtime/compare/2a47838c6d353b783ca8466e40d7db756f2d2acf...ffcd1c5442a0c6e5317efa46d6ce381003397476)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.Json.Node.Tests.Perf_ParseThenWrite

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ParseThenWrite - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.Json.Node.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented%3a%20True%2c%20TestCase%3a%20HelloWorld).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Node/ParseThenWrite.cs#L59-#L88>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 285.55 ns | 266.94 ns | 0.93 | 0.12 | False | | |
|<ul><li>[ParseThenWrite - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.Json.Node.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented%3a%20False%2c%20TestCase%3a%20LotsOfNumbers).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Node/ParseThenWrite.cs#L59-#L88>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.19 μs | 4.89 μs | 0.94 | 0.02 | False | | |
|<ul><li>[ParseThenWrite - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/ViperUbuntu/System.Text.Json.Node.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented%3a%20True%2c%20TestCase%3a%20LotsOfNumbers).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Node/ParseThenWrite.cs#L59-#L88>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.75 μs | 5.41 μs | 0.94 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Text.Json.Node.Tests.Perf_ParseThenWrite_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Text.Json.Node.Tests.Perf_ParseThenWrite_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Text.Json.Node.Tests.Perf_ParseThenWrite_003.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_03_2025/refs/heads/main_x64_ubuntu%2022.04/ViperUbuntu_Improvement/System.Text.Json.Node.Tests.Perf_ParseThenWrite.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.Node.Tests.Perf_ParseThenWrite*'
```

<details>

### System.Text.Json.Node.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: True, TestCase: HelloWorld)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Node.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: False, TestCase: LotsOfNumbers)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Node.Tests.Perf_ParseThenWrite.ParseThenWrite(IsDataIndented: True, TestCase: LotsOfNumbers)

#### 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	2a47838c6d353b783ca8466e40d7db756f2d2acf
Compare	ffcd1c5442a0c6e5317efa46d6ce381003397476
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ConcurrentDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.90 μs	7.34 μs	0.93	0.07	False
Dictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.27 μs	1.32 μs	0.58	0.25	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Decompress - Duration of single invocation ADX - Test Multi Config Graph	285.26 μs	246.86 μs	0.87	0.08	False
Decompress - Duration of single invocation ADX - Test Multi Config Graph	382.86 μs	339.65 μs	0.89	0.00	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ValueTupleCompareCached - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.36 ns	0.86 ns	0.36	0.07	False
ValueTupleCompareWrapped - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.78 ns	0.62 ns	0.35	0.05	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
GetCredential_HostPort - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	36.12 ns	21.46 ns	0.59	0.31	False
GetCredential_HostPort - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	19.47 ns	4.22 ns	0.22	0.55	False
GetCredential_HostPort - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	38.76 ns	28.63 ns	0.74	0.23	False
GetCredential_Uri - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	56.94 ns	40.48 ns	0.71	0.12	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
SkipValue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	389.77 ns	367.68 ns	0.94	0.03	False
ReadCoseKey - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	311.08 ns	289.46 ns	0.93	0.10	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
AggregateBy00LinqMethodX - Duration of single invocation ADX - Test Multi Config Graph	2.25 secs	2.01 secs	0.89	0.01	False
CountBy00LinqMethodX - Duration of single invocation ADX - Test Multi Config Graph	1.21 secs	1.03 secs	0.85	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ParseThenWrite - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	285.55 ns	266.94 ns	0.93	0.12	False
ParseThenWrite - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.19 μs	4.89 μs	0.94	0.02	False
ParseThenWrite - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.75 μs	5.41 μs	0.94	0.01	False

[Perf] Linux/x64: 20 Improvements on 5/28/2025 2:43:13 PM +00:00 #56647

Description

Run Information

Improvements in System.Collections.IndexerSet<Int32>

Repro

System.Collections.IndexerSet<Int32>.ConcurrentDictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.IndexerSet<Int32>.Dictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.IO.Compression.ZLib

Repro

System.IO.Compression.ZLib.Decompress(level: Optimal, file: "alice29.txt")

ETL Files

Histogram

JIT Disasms

System.IO.Compression.ZLib.Decompress(level: Fastest, file: "alice29.txt")

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in BenchmarksGame.KNucleotide_1

Repro

BenchmarksGame.KNucleotide_1.RunBench

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in Devirtualization.EqualityComparer

Repro

Devirtualization.EqualityComparer.ValueTupleCompareCached

ETL Files

Histogram

JIT Disasms

Devirtualization.EqualityComparer.ValueTupleCompareWrapped

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.IO.Compression.Deflate

Repro

System.IO.Compression.Deflate.Decompress(level: Fastest, file: "alice29.txt")

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Net.Primitives.Tests.CredentialCacheTests

Repro

System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host: "notfound", hostPortCount: 10)

ETL Files

Histogram

JIT Disasms

System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host: "notfound", hostPortCount: 0)

ETL Files

Histogram

JIT Disasms

System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host: "name5", hostPortCount: 10)

ETL Files

Histogram

JIT Disasms

System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_Uri(uriString: "http://notfound", uriCount: 0)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Formats.Cbor.Tests.Perf_CborReader

Repro

System.Formats.Cbor.Tests.Perf_CborReader.SkipValue(encoding: (Map, Canonical))

ETL Files

Histogram