[Perf] Linux/x64: 22 Improvements on 9/9/2025 8:46:29 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [3605ab46c30647a5f85629447f25401c2999026d](https://github.com/dotnet/runtime/commit/3605ab46c30647a5f85629447f25401c2999026d)
Compare | [46f3e902e9cf83547330e77c6e7698fab06e85ba](https://github.com/dotnet/runtime/commit/46f3e902e9cf83547330e77c6e7698fab06e85ba)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3605ab46c30647a5f85629447f25401c2999026d...46f3e902e9cf83547330e77c6e7698fab06e85ba)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Improvements in System.Globalization.Tests.StringSearch

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IsPrefix_FirstHalf - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Globalization.Tests.StringSearch.IsPrefix_FirstHalf(Options%3a%20(%2c%20None%2c%20True)).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Globalization/StringSearch.cs#L87-#L88>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 2.85 μs | 2.58 μs | 0.91 | 0.09 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Globalization.Tests.StringSearch_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Globalization.Tests.StringSearch.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.Globalization.Tests.StringSearch*'
```

<details>

### System.Globalization.Tests.StringSearch.IsPrefix_FirstHalf(Options: (, None, True))

#### 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 | [3605ab46c30647a5f85629447f25401c2999026d](https://github.com/dotnet/runtime/commit/3605ab46c30647a5f85629447f25401c2999026d)
Compare | [46f3e902e9cf83547330e77c6e7698fab06e85ba](https://github.com/dotnet/runtime/commit/46f3e902e9cf83547330e77c6e7698fab06e85ba)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3605ab46c30647a5f85629447f25401c2999026d...46f3e902e9cf83547330e77c6e7698fab06e85ba)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Improvements in System.Collections.CreateAddAndClear&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ICollection - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Collections.CreateAddAndClear(String).ICollection(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/CreateAddAndClear.cs#L66-#L68>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 12.05 μs | 8.37 μs | 0.69 | 0.06 | False | | |
|<ul><li>[LinkedList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Collections.CreateAddAndClear(String).LinkedList(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/CreateAddAndClear.cs#L81-#L91>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 11.11 μs | 9.30 μs | 0.84 | 0.07 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Collections.CreateAddAndClear%28String%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Collections.CreateAddAndClear%28String%29_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Collections.CreateAddAndClear%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.CreateAddAndClear&lt;String&gt;*'
```

<details>

### System.Collections.CreateAddAndClear&lt;String&gt;.ICollection(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.CreateAddAndClear&lt;String&gt;.LinkedList(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 | [3605ab46c30647a5f85629447f25401c2999026d](https://github.com/dotnet/runtime/commit/3605ab46c30647a5f85629447f25401c2999026d)
Compare | [46f3e902e9cf83547330e77c6e7698fab06e85ba](https://github.com/dotnet/runtime/commit/46f3e902e9cf83547330e77c6e7698fab06e85ba)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3605ab46c30647a5f85629447f25401c2999026d...46f3e902e9cf83547330e77c6e7698fab06e85ba)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Improvements in PerfLabTests.LowLevelPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ObjectStringIsString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/ViperUbuntu/PerfLabTests.LowLevelPerf.ObjectStringIsString.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/LowLevelPerf.cs#L231-#L240>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RwW7bMAy9B8g/cLkowdzYSdB2yCBgXVdsw1K0aILtrNh0rEGWAopqEqz790mxc9mFhEi+p8dHgwyMnkHCJ/GMVK/UdhPffrpyhxW+oknF6dP2N5a8ZtJ29913WXwcDkyEq5qRIr5SjKxbHM+L+fVVcXs1m21mN8vFh+ViMb1dFEVxPX9fFMuimPRIwr2LQFE5tsg5BZvwF94tKVs2qU9Y+7xBVfm8VdpeBkpna71LP5+sanU5/iPunjZiCYIpoMhA3Lt2r41i7eyjqzC1Dsq3qfUS7A9tq1SKUHLib1L1Ffmb9uxIl8p8Uax+aW4SiyLtnfXj5JVMIev2lueYnVeRKWS9btmlrFcpuzQZDt5gTy65CWskjT6Dz0GbahM3X7Nq9xn8VCagTFe4d9ESpBf0wfDdK5La4XCQ529waJCwZ4B3kZyjMR5GI3YPx9KECkcjyHN4OEZKg+BqqLWJXPFw4EK8GvgzOAkitFU8YTK/bBQxHOLWMO4G5EXmsXQmtFb+L/fU1b08645zrNmgFNG+dIRT/3xE5QNhi5bF5B+OkKacdwIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 58.77 μs | 54.24 μs | 0.92 | 0.01 | False | | |
|<ul><li>[InterfaceInterfaceMethodLongHierarchy - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/ViperUbuntu/PerfLabTests.LowLevelPerf.InterfaceInterfaceMethodLongHierarchy.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/LowLevelPerf.cs#L141-#L148>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RTW/bMAy9B8h/4HJRgrmxk+6jySBgXVe0wxJsaIPtrEp0rEGWAolqEqz775NiZ4ddSIvke358NEhAGAg4fGTf0dcr8bRJ7zBduf0Kn9Hk4vSLpZSExH8fa6TGqZWz23uNXnjZHNmH4cAkPlGnmUSoBCHpFsfzav72onp/MZttZu+Wl1fLN5fTq2pRLRbz11W1rKpJj/S4cwnIlCOLVPpoM/7M++SFlU3ue6xD2aBQoWyFtucB6Wytt/nPRytaLce/2fW3DVsCIx+RFcBuXLvTRpB2du0U5tZehDa3HqL9qq3KpQT1jv3Jqu6Q7nUg57UU5rMg8VNTk1mE18HZMM7m8RyKbm9+isVpFZ5D0evmXSp6lbxLk+HgBXbe/UJJ8IheYyjgU9RGbdLmjyTaXQE/hInI81luXLIE/QOGaOj6ORm/xeGgLF9g36DHngFeJXJKxgQYjcjdHqSJCkcjKEu4PSRKg+BqqLVJXNpuwcV0NQgncBbk0ap0wmy+bIQn2KetYdwN8LPMg3Qmtpb/L/fY1QM/6U5zpMkgZ8m+fIRj/1yjCNFji5bY5C9yHhiAiAIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 643.32 μs | 388.12 μs | 0.60 | 0.10 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/PerfLabTests.LowLevelPerf_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/PerfLabTests.LowLevelPerf_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/PerfLabTests.LowLevelPerf.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 'PerfLabTests.LowLevelPerf*'
```

<details>

### PerfLabTests.LowLevelPerf.ObjectStringIsString

#### ETL Files

#### Histogram

#### JIT Disasms

### PerfLabTests.LowLevelPerf.InterfaceInterfaceMethodLongHierarchy

#### 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 | [3605ab46c30647a5f85629447f25401c2999026d](https://github.com/dotnet/runtime/commit/3605ab46c30647a5f85629447f25401c2999026d)
Compare | [46f3e902e9cf83547330e77c6e7698fab06e85ba](https://github.com/dotnet/runtime/commit/46f3e902e9cf83547330e77c6e7698fab06e85ba)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3605ab46c30647a5f85629447f25401c2999026d...46f3e902e9cf83547330e77c6e7698fab06e85ba)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Improvements in System.Text.Json.Tests.Perf_Get

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetUInt64 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Text.Json.Tests.Perf_Get.GetUInt64.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Utf8JsonReader/Perf.Get.cs#L146-#L159>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.62 μs | 1.50 μs | 0.93 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Text.Json.Tests.Perf_Get_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Text.Json.Tests.Perf_Get.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.Tests.Perf_Get*'
```

<details>

### System.Text.Json.Tests.Perf_Get.GetUInt64

#### 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 | [3605ab46c30647a5f85629447f25401c2999026d](https://github.com/dotnet/runtime/commit/3605ab46c30647a5f85629447f25401c2999026d)
Compare | [46f3e902e9cf83547330e77c6e7698fab06e85ba](https://github.com/dotnet/runtime/commit/46f3e902e9cf83547330e77c6e7698fab06e85ba)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3605ab46c30647a5f85629447f25401c2999026d...46f3e902e9cf83547330e77c6e7698fab06e85ba)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Improvements in System.Collections.Perf_Frozen&lt;ReferenceType&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Contains_True - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Collections.Perf_Frozen(ReferenceType).Contains_True(Count%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Frozen/Perf_Frozen.cs#L96-#L105>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RTY/TMBC9V+p/GHpxK7JNumrpEjBiKcsioRWojeC4MsmkNXLsyp7Qll3+O+OkvXAZy56Z5/dhkIAwEEh4LzanQNhMV84YLEk7G6bf0NePn7z7g/btGmv0aEssTnt8x2OWlLbhsfAtjleutZTDfCLeDAeGUVVN6Bm2UoSkGxxfZ9eLq2x5NZsVs1f5PMvnN9PZzXL5erF4mWV5lk3Omx73jhdF5cgipZ6Bef+C+9MrW+5i32Md0h2qKqQNE7kMlM7Weht/PlnV6HL8JG6/FiIHQUxUJCBWrtlro6LCB1dhbB1UaGJr3dov2lbxiVe9E38jq3ukzzqQ87pU5qMi9UPTLqIorwPbNI4WyliSXrfsatJJkbEkZ96yP5IzS9kfk+HgGfbe/WLbYYNeY0jgQ6tNVbDyDalmn8B3ZVqUBX/SeY1+jaE1dPsbvdricJCmz3DYcUJnBHjB4F1CMBqRuzuWpq1wNII0hbsjQxoEV0OtDWNpuwXXcmoQuuVIiLOuOMJofrlTnuDAqmHcD8gLzWPpTNtY+T/dU/8eZMeb50iTQSnYvhjC6Xx9QBVajw1aEpN/p8ozlY4CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 250.11 ns | 190.58 ns | 0.76 | 0.16 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Collections.Perf_Frozen%28ReferenceType%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Collections.Perf_Frozen%28ReferenceType%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.Perf_Frozen&lt;ReferenceType&gt;*'
```

<details>

### System.Collections.Perf_Frozen&lt;ReferenceType&gt;.Contains_True(Count: 4)

#### 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 | [3605ab46c30647a5f85629447f25401c2999026d](https://github.com/dotnet/runtime/commit/3605ab46c30647a5f85629447f25401c2999026d)
Compare | [46f3e902e9cf83547330e77c6e7698fab06e85ba](https://github.com/dotnet/runtime/commit/46f3e902e9cf83547330e77c6e7698fab06e85ba)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3605ab46c30647a5f85629447f25401c2999026d...46f3e902e9cf83547330e77c6e7698fab06e85ba)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Improvements in System.Runtime.Intrinsics.Tests.Perf_Vector128Of&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SubtractionOperatorBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Runtime.Intrinsics.Tests.Perf_Vector128Of(Int32).SubtractionOperatorBenchmark.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime.Intrinsics/Perf_Vector128OfT.cs#L70-#L71>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.91 ns | 0.88 ns | 0.46 | 0.62 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Runtime.Intrinsics.Tests.Perf_Vector128Of%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Runtime.Intrinsics.Tests.Perf_Vector128Of%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.Runtime.Intrinsics.Tests.Perf_Vector128Of&lt;Int32&gt;*'
```

<details>

### System.Runtime.Intrinsics.Tests.Perf_Vector128Of&lt;Int32&gt;.SubtractionOperatorBenchmark

#### 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 | [3605ab46c30647a5f85629447f25401c2999026d](https://github.com/dotnet/runtime/commit/3605ab46c30647a5f85629447f25401c2999026d)
Compare | [46f3e902e9cf83547330e77c6e7698fab06e85ba](https://github.com/dotnet/runtime/commit/46f3e902e9cf83547330e77c6e7698fab06e85ba)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3605ab46c30647a5f85629447f25401c2999026d...46f3e902e9cf83547330e77c6e7698fab06e85ba)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Improvements in XmlDocumentTests.XmlDocumentTests.Perf_XmlDocument

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Create - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/ViperUbuntu/XmlDocumentTests.XmlDocumentTests.Perf_XmlDocument.Create.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Xml.XmlDocument/Perf.XmlDocument.cs#L16-#L17>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 404.69 ns | 357.92 ns | 0.88 | 0.10 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/XmlDocumentTests.XmlDocumentTests.Perf_XmlDocument_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/XmlDocumentTests.XmlDocumentTests.Perf_XmlDocument.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 'XmlDocumentTests.XmlDocumentTests.Perf_XmlDocument*'
```

<details>

### XmlDocumentTests.XmlDocumentTests.Perf_XmlDocument.Create

#### 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 | [3605ab46c30647a5f85629447f25401c2999026d](https://github.com/dotnet/runtime/commit/3605ab46c30647a5f85629447f25401c2999026d)
Compare | [46f3e902e9cf83547330e77c6e7698fab06e85ba](https://github.com/dotnet/runtime/commit/46f3e902e9cf83547330e77c6e7698fab06e85ba)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3605ab46c30647a5f85629447f25401c2999026d...46f3e902e9cf83547330e77c6e7698fab06e85ba)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Improvements in Span.IndexerBench

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[SameIndex2 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/ViperUbuntu/Span.IndexerBench.SameIndex2(length%3a%201024).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Span/Indexer.cs#L370-#L372>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 723.51 ns | 643.24 ns | 0.89 | 0.00 | False | | |
|<ul><li>[Indexer6 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/ViperUbuntu/Span.IndexerBench.Indexer6(length%3a%201024).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Span/Indexer.cs#L197-#L199>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 717.90 ns | 450.99 ns | 0.63 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/Span.IndexerBench_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/Span.IndexerBench_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/Span.IndexerBench.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 'Span.IndexerBench*'
```

<details>

### Span.IndexerBench.SameIndex2(length: 1024)

#### ETL Files

#### Histogram

#### JIT Disasms

### Span.IndexerBench.Indexer6(length: 1024)

#### 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 | [3605ab46c30647a5f85629447f25401c2999026d](https://github.com/dotnet/runtime/commit/3605ab46c30647a5f85629447f25401c2999026d)
Compare | [46f3e902e9cf83547330e77c6e7698fab06e85ba](https://github.com/dotnet/runtime/commit/46f3e902e9cf83547330e77c6e7698fab06e85ba)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3605ab46c30647a5f85629447f25401c2999026d...46f3e902e9cf83547330e77c6e7698fab06e85ba)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Improvements in System.Collections.ContainsFalse&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ImmutableHashSet - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Collections.ContainsFalse(Int32).ImmutableHashSet(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsFalse.cs#L181-#L190>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 55.64 μs | 43.03 μs | 0.77 | 0.12 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Collections.ContainsFalse%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Collections.ContainsFalse%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.ContainsFalse&lt;Int32&gt;*'
```

<details>

### System.Collections.ContainsFalse&lt;Int32&gt;.ImmutableHashSet(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 | [3605ab46c30647a5f85629447f25401c2999026d](https://github.com/dotnet/runtime/commit/3605ab46c30647a5f85629447f25401c2999026d)
Compare | [46f3e902e9cf83547330e77c6e7698fab06e85ba](https://github.com/dotnet/runtime/commit/46f3e902e9cf83547330e77c6e7698fab06e85ba)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3605ab46c30647a5f85629447f25401c2999026d...46f3e902e9cf83547330e77c6e7698fab06e85ba)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Improvements in System.Collections.Sort&lt;BigStruct&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[LinqOrderByExtension - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Collections.Sort(BigStruct).LinqOrderByExtension(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Sort.cs#L72-#L80>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 848.54 μs | 797.53 μs | 0.94 | 0.10 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Collections.Sort%28BigStruct%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Collections.Sort%28BigStruct%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.Sort&lt;BigStruct&gt;*'
```

<details>

### System.Collections.Sort&lt;BigStruct&gt;.LinqOrderByExtension(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 | [3605ab46c30647a5f85629447f25401c2999026d](https://github.com/dotnet/runtime/commit/3605ab46c30647a5f85629447f25401c2999026d)
Compare | [46f3e902e9cf83547330e77c6e7698fab06e85ba](https://github.com/dotnet/runtime/commit/46f3e902e9cf83547330e77c6e7698fab06e85ba)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3605ab46c30647a5f85629447f25401c2999026d...46f3e902e9cf83547330e77c6e7698fab06e85ba)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Improvements in System.Collections.ContainsTrue&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ImmutableSortedSet - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Collections.ContainsTrue(Int32).ImmutableSortedSet(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrue.cs#L254-#L263>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 68.27 μs | 62.34 μs | 0.91 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Collections.ContainsTrue%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Collections.ContainsTrue%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.ContainsTrue&lt;Int32&gt;*'
```

<details>

### System.Collections.ContainsTrue&lt;Int32&gt;.ImmutableSortedSet(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 | [3605ab46c30647a5f85629447f25401c2999026d](https://github.com/dotnet/runtime/commit/3605ab46c30647a5f85629447f25401c2999026d)
Compare | [46f3e902e9cf83547330e77c6e7698fab06e85ba](https://github.com/dotnet/runtime/commit/46f3e902e9cf83547330e77c6e7698fab06e85ba)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3605ab46c30647a5f85629447f25401c2999026d...46f3e902e9cf83547330e77c6e7698fab06e85ba)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Improvements in System.Collections.AddGivenSize&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ICollection - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Collections.AddGivenSize(Int32).ICollection(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Add/AddGivenSize.cs#L38-#L40>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.09 μs | 5.65 μs | 0.80 | 0.07 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Collections.AddGivenSize%28Int32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Collections.AddGivenSize%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.AddGivenSize&lt;Int32&gt;*'
```

<details>

### System.Collections.AddGivenSize&lt;Int32&gt;.ICollection(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 | [3605ab46c30647a5f85629447f25401c2999026d](https://github.com/dotnet/runtime/commit/3605ab46c30647a5f85629447f25401c2999026d)
Compare | [46f3e902e9cf83547330e77c6e7698fab06e85ba](https://github.com/dotnet/runtime/commit/46f3e902e9cf83547330e77c6e7698fab06e85ba)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3605ab46c30647a5f85629447f25401c2999026d...46f3e902e9cf83547330e77c6e7698fab06e85ba)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Improvements in System.Tests.Perf_String

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IndexerCheckPathLength - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Tests.Perf_String.IndexerCheckPathLength.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.String.cs#L281-#L293>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 98.95 ns | 85.76 ns | 0.87 | 0.10 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Tests.Perf_String_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Tests.Perf_String.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.Tests.Perf_String*'
```

<details>

### System.Tests.Perf_String.IndexerCheckPathLength

#### 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 | [3605ab46c30647a5f85629447f25401c2999026d](https://github.com/dotnet/runtime/commit/3605ab46c30647a5f85629447f25401c2999026d)
Compare | [46f3e902e9cf83547330e77c6e7698fab06e85ba](https://github.com/dotnet/runtime/commit/46f3e902e9cf83547330e77c6e7698fab06e85ba)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3605ab46c30647a5f85629447f25401c2999026d...46f3e902e9cf83547330e77c6e7698fab06e85ba)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Improvements in PerfLabTests.GetMember

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetField - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/ViperUbuntu/PerfLabTests.GetMember.GetField.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/ReflectionPerf.cs#L63-#L73>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.28 ms | 2.57 ms | 0.78 | 0.08 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/PerfLabTests.GetMember_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/PerfLabTests.GetMember.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 'PerfLabTests.GetMember*'
```

<details>

### PerfLabTests.GetMember.GetField

#### 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 | [3605ab46c30647a5f85629447f25401c2999026d](https://github.com/dotnet/runtime/commit/3605ab46c30647a5f85629447f25401c2999026d)
Compare | [46f3e902e9cf83547330e77c6e7698fab06e85ba](https://github.com/dotnet/runtime/commit/46f3e902e9cf83547330e77c6e7698fab06e85ba)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3605ab46c30647a5f85629447f25401c2999026d...46f3e902e9cf83547330e77c6e7698fab06e85ba)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Improvements 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_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/ViperUbuntu/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> | 15.64 μs | 12.12 μs | 0.78 | 0.09 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Collections.IterateForEach%28String%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/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
python3 .\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 | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [3605ab46c30647a5f85629447f25401c2999026d](https://github.com/dotnet/runtime/commit/3605ab46c30647a5f85629447f25401c2999026d)
Compare | [46f3e902e9cf83547330e77c6e7698fab06e85ba](https://github.com/dotnet/runtime/commit/46f3e902e9cf83547330e77c6e7698fab06e85ba)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3605ab46c30647a5f85629447f25401c2999026d...46f3e902e9cf83547330e77c6e7698fab06e85ba)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Improvements in System.Collections.AddGivenSize&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ICollection - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Collections.AddGivenSize(String).ICollection(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Add/AddGivenSize.cs#L38-#L40>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1RXY/TMBB8r9T/sPTFrcg1H6J3KGBEKafjhE5IlwqeTbxpjBy7sjfXFo7/fnaTComXtby7Mzs7q5GA0BNw+MiqkyfslhurNdakrPHLtZR36glNpX7j+4qcMrsPy/t/HfNYKGGVFwv2bjrRgU40hC7wSUFIqsN5kRWrq+zmKs+3+XW5ysu8WK6y4vrmzdvXWVZm2WJEOtzbAGTSkkFKXW8i/sL70wlTt7HusPFpi0L6tBPKXBpqaxq1i5NPRnSqnv9h629bVgIj1yNLgG1st1daROEPVmIsHYTvYumxN1+VkTEVoM6yv1HVHdIX5ck6VQv9WZD4oaiNLMIpH/yZR+94DMmwNz/H5LwKjyEZdfPhSUaVfHgW08kz7J39FdyECp1Cn8CnXmm5DZtXJLp9At+F7pFvw5CNDZage0Tfa1o/oRM7nE7S9BkOLTocGeBVIKdgjIfZjOztsda9xNkM0hRuj4FSI9gGGqUDVzgo2D5cDfwZHAU5NDKcMJpft8IRHMLWMB8a+EXmsba67wz/X+5pyHt+1h36SJFGzoJ98Qin8fuAwvcOOzTEFi+IGLJThwIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 11.08 μs | 9.20 μs | 0.83 | 0.06 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Collections.AddGivenSize%28String%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Collections.AddGivenSize%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.AddGivenSize&lt;String&gt;*'
```

<details>

### System.Collections.AddGivenSize&lt;String&gt;.ICollection(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 | [3605ab46c30647a5f85629447f25401c2999026d](https://github.com/dotnet/runtime/commit/3605ab46c30647a5f85629447f25401c2999026d)
Compare | [46f3e902e9cf83547330e77c6e7698fab06e85ba](https://github.com/dotnet/runtime/commit/46f3e902e9cf83547330e77c6e7698fab06e85ba)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3605ab46c30647a5f85629447f25401c2999026d...46f3e902e9cf83547330e77c6e7698fab06e85ba)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro


### Improvements in System.Collections.Tests.Perf_BitArray

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[BitArraySet - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_AOT=true_CompilationMode=wasm_RunKind=micro/ViperUbuntu/System.Collections.Tests.Perf_BitArray.BitArraySet(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L111-#L118>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 975.82 ns | 847.44 ns | 0.87 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Collections.Tests.Perf_BitArray_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_11_2025/refs/heads/main_x64_ubuntu%2022.04_AOT%3Dtrue_CompilationMode%3Dwasm_RunKind%3Dmicro/ViperUbuntu_Improvement/System.Collections.Tests.Perf_BitArray.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.Tests.Perf_BitArray*'
```

<details>

### System.Collections.Tests.Perf_BitArray.BitArraySet(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	3605ab46c30647a5f85629447f25401c2999026d
Compare	46f3e902e9cf83547330e77c6e7698fab06e85ba
Diff	Diff
Configs	AOT:true, CompilationMode:wasm, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ICollection - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.05 μs	8.37 μs	0.69	0.06	False
LinkedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	11.11 μs	9.30 μs	0.84	0.07	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ObjectStringIsString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	58.77 μs	54.24 μs	0.92	0.01	False
InterfaceInterfaceMethodLongHierarchy - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	643.32 μs	388.12 μs	0.60	0.10	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
SameIndex2 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	723.51 ns	643.24 ns	0.89	0.00	False
Indexer6 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	717.90 ns	450.99 ns	0.63	0.00	False

[Perf] Linux/x64: 22 Improvements on 9/9/2025 8:46:29 PM +00:00 #62396

Description

Run Information

Improvements in System.Globalization.Tests.StringSearch

Repro

System.Globalization.Tests.StringSearch.IsPrefix_FirstHalf(Options: (, None, True))

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.CreateAddAndClear<String>

Repro

System.Collections.CreateAddAndClear<String>.ICollection(Size: 512)

ETL Files

Histogram

JIT Disasms

System.Collections.CreateAddAndClear<String>.LinkedList(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in PerfLabTests.LowLevelPerf

Repro

PerfLabTests.LowLevelPerf.ObjectStringIsString

ETL Files

Histogram

JIT Disasms

PerfLabTests.LowLevelPerf.InterfaceInterfaceMethodLongHierarchy

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Text.Json.Tests.Perf_Get

Repro

System.Text.Json.Tests.Perf_Get.GetUInt64

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.Perf_Frozen<ReferenceType>

Repro

System.Collections.Perf_Frozen<ReferenceType>.Contains_True(Count: 4)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Runtime.Intrinsics.Tests.Perf_Vector128Of<Int32>

Repro

System.Runtime.Intrinsics.Tests.Perf_Vector128Of<Int32>.SubtractionOperatorBenchmark

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in XmlDocumentTests.XmlDocumentTests.Perf_XmlDocument

Repro

XmlDocumentTests.XmlDocumentTests.Perf_XmlDocument.Create

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in Span.IndexerBench

Repro

Span.IndexerBench.SameIndex2(length: 1024)

ETL Files

Histogram

JIT Disasms

Span.IndexerBench.Indexer6(length: 1024)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Collections.ContainsFalse<Int32>