[Perf] Linux/arm64: 65 Improvements on 5/19/2025 6:24:41 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [a50dedf326cf31e2320cbc97d3ae721b26a1f2b2](https://github.com/dotnet/runtime/commit/a50dedf326cf31e2320cbc97d3ae721b26a1f2b2)
Compare | [d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd](https://github.com/dotnet/runtime/commit/d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a50dedf326cf31e2320cbc97d3ae721b26a1f2b2...d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Double&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Ieee754Remainder_ScalarDivisor - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives(Double).Ieee754Remainder_ScalarDivisor(BufferLength%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_FloatingPointTensorPrimitives.cs#L84-#L85>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.87 μs | 1.38 μs | 0.74 | 0.03 | False | | |
|<ul><li>[Ieee754Remainder_ScalarDividend - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives(Double).Ieee754Remainder_ScalarDividend(BufferLength%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_FloatingPointTensorPrimitives.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 μs | 1.21 μs | 0.68 | 0.04 | False | | |
|<ul><li>[Ieee754Remainder_Vector - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives(Double).Ieee754Remainder_Vector(BufferLength%3a%203079).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_FloatingPointTensorPrimitives.cs#L78-#L79>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl2RW4/aMBCF35H4D1NeDGqWpAR2t7Sp2r30onYrBGj7uPImE+LKsZE93gV1+987JvDSF49iz5x854xGAkJPUMBHsdp7wnb8M7ToVOnHazTeulg9+fECXf3wWVtJymwWVhnq3hdOtYrUE/r3NzY8avww/oaIF7PpElupTIXu4R5Lsm54Feoa3Q80G2rmkGcXb0fiXb+nGULWhI4pKklIqsXhJJvMzrL8bDJZZ5fzN9k8n46neX4+O798nWXzLBsdJx1uLQ+KypJBSl0wcf6k++ikKZv47rD2aYOy8mnEOjWU1tRqE/+8N7JV5fCPuLbtVmn2ac2drVDMQZBCh5VIQCyD+c6m4iV3Oyv+RpAvSF+VZ4+qlPpGkvylqIk60ilvjR/GkIt4JJ3V4nAmB/oiHskRtehKcgQrujLq915g6+xvDhJWvB70CVwFpas1m12RbLcJ3EsdsIjburacArol+qDp0xM6ucF+L01f4LlhI0cFeMXixFl4GAzI3u5KHSocDCBN4XbHkhrB1lArzVq8dLCBFwX+MByBHMbtQsy7bKQjeGbXMOwaihPmrrQ6tKb4H3ff3fviwM19pEhjITg+5KT3x887lD44bNGQGP0DgdMgNLACAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 74.31 μs | 61.77 μs | 0.83 | 0.00 | False | | |
|<ul><li>[Ieee754Remainder_ScalarDivisor - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives(Double).Ieee754Remainder_ScalarDivisor(BufferLength%3a%203079).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_FloatingPointTensorPrimitives.cs#L84-#L85>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 67.65 μs | 57.61 μs | 0.85 | 0.01 | False | | |
|<ul><li>[Ieee754Remainder_ScalarDividend - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives(Double).Ieee754Remainder_ScalarDividend(BufferLength%3a%203079).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_FloatingPointTensorPrimitives.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> | 52.09 μs | 42.60 μs | 0.82 | 0.02 | False | | |
|<ul><li>[Ieee754Remainder_Vector - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives(Double).Ieee754Remainder_Vector(BufferLength%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_FloatingPointTensorPrimitives.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> | 1.72 μs | 1.30 μs | 0.75 | 0.06 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Double%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Double%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Double%29_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Double%29_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Double%29_005.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Double%29_006.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Double%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.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Double&gt;*'
```

<details>

### System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Double&gt;.Ieee754Remainder_ScalarDivisor(BufferLength: 128)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Double&gt;.Ieee754Remainder_ScalarDividend(BufferLength: 128)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Double&gt;.Ieee754Remainder_Vector(BufferLength: 3079)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Double&gt;.Ieee754Remainder_ScalarDivisor(BufferLength: 3079)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Double&gt;.Ieee754Remainder_ScalarDividend(BufferLength: 3079)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Double&gt;.Ieee754Remainder_Vector(BufferLength: 128)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [a50dedf326cf31e2320cbc97d3ae721b26a1f2b2](https://github.com/dotnet/runtime/commit/a50dedf326cf31e2320cbc97d3ae721b26a1f2b2)
Compare | [d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd](https://github.com/dotnet/runtime/commit/d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a50dedf326cf31e2320cbc97d3ae721b26a1f2b2...d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Memory.ReadOnlySpan

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[IndexOfString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Memory.ReadOnlySpan.IndexOfString(input%3a%20%22foobardzsdzs%22%2c%20value%3a%20%22rddzs%22%2c%20comparisonType%3a%20InvariantCulture).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/ReadOnlySpan.cs#L45-#L65>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 43.50 ns | 37.75 ns | 0.87 | 0.01 | False | | |
|<ul><li>[IndexOfString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Memory.ReadOnlySpan.IndexOfString(input%3a%20%22AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAXAAAAAAAAAAAAAAAAAAAAAAAAAAAAA%22%2c%20value%3a%20%22x%22%2c%20comparisonType%3a%20InvariantCultureIgno.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/ReadOnlySpan.cs#L45-#L65>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 299.51 ns | 249.66 ns | 0.83 | 0.19 | False | | |
|<ul><li>[IndexOfString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Memory.ReadOnlySpan.IndexOfString(input%3a%20%22ABCDE%22%2c%20value%3a%20%22c%22%2c%20comparisonType%3a%20InvariantCultureIgnoreCase).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/ReadOnlySpan.cs#L45-#L65>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 26.10 ns | 21.73 ns | 0.83 | 0.01 | False | | |
|<ul><li>[IndexOfString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Memory.ReadOnlySpan.IndexOfString(input%3a%20%22string1%22%2c%20value%3a%20%22string2%22%2c%20comparisonType%3a%20InvariantCulture).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/ReadOnlySpan.cs#L45-#L65>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 34.51 ns | 30.07 ns | 0.87 | 0.01 | False | | |
|<ul><li>[IndexOfString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Memory.ReadOnlySpan.IndexOfString(input%3a%20%22AAAAA5AAAA%22%2c%20value%3a%20%225%22%2c%20comparisonType%3a%20InvariantCulture).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/ReadOnlySpan.cs#L45-#L65>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl1SwW7bMAy9B8g/cL4owdzYTZet8yBgXVZsRREUSILtrNl0okGWDIlOY7T791FxssN8oCSafHzvSQYJCAOBhM9i0wfCZrbCxvl+tkZVPVnTb1plZw+2wuNTvSGv7W6ibdtRAcld/BYxJCkclOmQkwvel65pldfB2W3fcvLBHvioLC07Q53Hqfg0HhmerWpCz8MrRUi6wck8ny+u8pur+Xyb3xbX18Xi42y+ePfh9n3+Ns+LPJ+eOz22jhtF5cgiZb6zsf+C+8srW+7jf491yPasJWSN0vZSUDpb612c3FvV6HLyIpZMWhtF2tmVq1AUIEijx0qkINadfdS2ikmu9k78iUS+IX3XgZzXpTJfFamfmvbLf+LDJHorY0gHqfIU0xN7GUN6piqHJT0Tk8MyHY9eofXuN5YEG/QaQwpfOm2qLYvdkGraFH5E4+WWhywdu4B+jYFtvjugVzscj7LsFZ73LOSMAG8YnNiLAElC7v5Ymq7CJIEsg/sjQxoEV0OtDWPxdYPr+KIgnJojIY/8GjxEv8u98gTPrBomQ4G80DyWznSNlf/T7Yd8kCfeXEeaDErB9iE73Z+PK1SBX0qDlsT0L3WKGManAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 30.33 ns | 26.12 ns | 0.86 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.ReadOnlySpan_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.ReadOnlySpan_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.ReadOnlySpan_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.ReadOnlySpan_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.ReadOnlySpan_005.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Memory.ReadOnlySpan.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.Memory.ReadOnlySpan*'
```

<details>

### System.Memory.ReadOnlySpan.IndexOfString(input: "foobardzsdzs", value: "rddzs", comparisonType: InvariantCulture)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.ReadOnlySpan.IndexOfString(input: "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAXAAAAAAAAAAAAAAAAAAAAAAAAAAAAA", value: "x", comparisonType: InvariantCultureIgnoreCase)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.ReadOnlySpan.IndexOfString(input: "ABCDE", value: "c", comparisonType: InvariantCultureIgnoreCase)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.ReadOnlySpan.IndexOfString(input: "string1", value: "string2", comparisonType: InvariantCulture)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Memory.ReadOnlySpan.IndexOfString(input: "AAAAA5AAAA", value: "5", comparisonType: InvariantCulture)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [a50dedf326cf31e2320cbc97d3ae721b26a1f2b2](https://github.com/dotnet/runtime/commit/a50dedf326cf31e2320cbc97d3ae721b26a1f2b2)
Compare | [d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd](https://github.com/dotnet/runtime/commit/d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a50dedf326cf31e2320cbc97d3ae721b26a1f2b2...d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.Json.Tests.Perf_DateTimes

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[WriteDateTimes - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted%3a%20False%2c%20SkipValidation%3a%20True).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Utf8JsonWriter/Perf.DateTimes.cs#L41-#L57>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.16 ms | 4.79 ms | 0.93 | 0.01 | False | | |
|<ul><li>[WriteDateTimes - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted%3a%20True%2c%20SkipValidation%3a%20True).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Utf8JsonWriter/Perf.DateTimes.cs#L41-#L57>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.78 ms | 5.39 ms | 0.93 | 0.02 | False | | |
|<ul><li>[WriteDateTimes - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted%3a%20False%2c%20SkipValidation%3a%20False).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Utf8JsonWriter/Perf.DateTimes.cs#L41-#L57>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.22 ms | 4.90 ms | 0.94 | 0.01 | False | | |
|<ul><li>[WriteDateTimes - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted%3a%20True%2c%20SkipValidation%3a%20False).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Json/Utf8JsonWriter/Perf.DateTimes.cs#L41-#L57>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.85 ms | 5.48 ms | 0.94 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Text.Json.Tests.Perf_DateTimes_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Text.Json.Tests.Perf_DateTimes_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Text.Json.Tests.Perf_DateTimes_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Text.Json.Tests.Perf_DateTimes_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Text.Json.Tests.Perf_DateTimes.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_DateTimes*'
```

<details>

### System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: False, SkipValidation: True)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: True, SkipValidation: True)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: False, SkipValidation: False)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: True, SkipValidation: False)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [a50dedf326cf31e2320cbc97d3ae721b26a1f2b2](https://github.com/dotnet/runtime/commit/a50dedf326cf31e2320cbc97d3ae721b26a1f2b2)
Compare | [d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd](https://github.com/dotnet/runtime/commit/d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a50dedf326cf31e2320cbc97d3ae721b26a1f2b2...d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Single&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Ieee754Remainder_Vector - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives(Single).Ieee754Remainder_Vector(BufferLength%3a%203079).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_FloatingPointTensorPrimitives.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> | 67.36 μs | 59.49 μs | 0.88 | 0.00 | False | | |
|<ul><li>[Ieee754Remainder_ScalarDivisor - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives(Single).Ieee754Remainder_ScalarDivisor(BufferLength%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_FloatingPointTensorPrimitives.cs#L84-#L85>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.58 μs | 1.38 μs | 0.87 | 0.04 | False | | |
|<ul><li>[Ieee754Remainder_ScalarDividend - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives(Single).Ieee754Remainder_ScalarDividend(BufferLength%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_FloatingPointTensorPrimitives.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> | 1.44 μs | 1.29 μs | 0.90 | 0.29 | False | | |
|<ul><li>[Ieee754Remainder_ScalarDivisor - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives(Single).Ieee754Remainder_ScalarDivisor(BufferLength%3a%203079).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_FloatingPointTensorPrimitives.cs#L84-#L85>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 64.30 μs | 57.50 μs | 0.89 | 0.00 | False | | |
|<ul><li>[Ieee754Remainder_ScalarDividend - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives(Single).Ieee754Remainder_ScalarDividend(BufferLength%3a%203079).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_FloatingPointTensorPrimitives.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> | 46.97 μs | 42.90 μs | 0.91 | 0.02 | False | | |
|<ul><li>[Ieee754Remainder_Vector - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives(Single).Ieee754Remainder_Vector(BufferLength%3a%20128).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Tensors/Perf_FloatingPointTensorPrimitives.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> | 1.53 μs | 1.21 μs | 0.79 | 0.19 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Single%29_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Single%29_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Single%29_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Single%29_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Single%29_005.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Single%29_006.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives%28Single%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.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Single&gt;*'
```

<details>

### System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Single&gt;.Ieee754Remainder_Vector(BufferLength: 3079)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Single&gt;.Ieee754Remainder_ScalarDivisor(BufferLength: 128)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Single&gt;.Ieee754Remainder_ScalarDividend(BufferLength: 128)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Single&gt;.Ieee754Remainder_ScalarDivisor(BufferLength: 3079)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Single&gt;.Ieee754Remainder_ScalarDividend(BufferLength: 3079)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives&lt;Single&gt;.Ieee754Remainder_Vector(BufferLength: 128)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [a50dedf326cf31e2320cbc97d3ae721b26a1f2b2](https://github.com/dotnet/runtime/commit/a50dedf326cf31e2320cbc97d3ae721b26a1f2b2)
Compare | [d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd](https://github.com/dotnet/runtime/commit/d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a50dedf326cf31e2320cbc97d3ae721b26a1f2b2...d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.Tests.Perf_SortedSet

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[EnumerateViewBetween - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Collections.Tests.Perf_SortedSet.EnumerateViewBetween.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/SortedSet/Perf_SortedSet.cs#L33-#L39>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.37 μs | 1.15 μs | 0.83 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.Tests.Perf_SortedSet_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Collections.Tests.Perf_SortedSet.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_SortedSet*'
```

<details>

### System.Collections.Tests.Perf_SortedSet.EnumerateViewBetween

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [a50dedf326cf31e2320cbc97d3ae721b26a1f2b2](https://github.com/dotnet/runtime/commit/a50dedf326cf31e2320cbc97d3ae721b26a1f2b2)
Compare | [d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd](https://github.com/dotnet/runtime/commit/d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a50dedf326cf31e2320cbc97d3ae721b26a1f2b2...d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Numerics.Tests.Perf_VectorOf&lt;UInt32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetHashCodeBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Numerics.Tests.Perf_VectorOf(UInt32).GetHashCodeBenchmark.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Numerics.Vectors/Perf_VectorOfT.cs#L44-#L45>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 21.45 ns | 10.25 ns | 0.48 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Numerics.Tests.Perf_VectorOf%28UInt32%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Numerics.Tests.Perf_VectorOf%28UInt32%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.Numerics.Tests.Perf_VectorOf&lt;UInt32&gt;*'
```

<details>

### System.Numerics.Tests.Perf_VectorOf&lt;UInt32&gt;.GetHashCodeBenchmark

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [a50dedf326cf31e2320cbc97d3ae721b26a1f2b2](https://github.com/dotnet/runtime/commit/a50dedf326cf31e2320cbc97d3ae721b26a1f2b2)
Compare | [d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd](https://github.com/dotnet/runtime/commit/d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a50dedf326cf31e2320cbc97d3ae721b26a1f2b2...d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Configs | CompilationMode:tiered, 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>[IndexOf_Word_NotFound - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options%3a%20(en-US%2c%20IgnoreCase%2c%20False)).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Globalization/StringSearch.cs#L102-#L104>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 896.91 ns | 751.19 ns | 0.84 | 0.02 | False | | |
|<ul><li>[IndexOf_Word_NotFound - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options%3a%20(en-US%2c%20IgnoreNonSpace%2c%20False)).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Globalization/StringSearch.cs#L102-#L104>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 610.18 ns | 532.78 ns | 0.87 | 0.11 | False | | |
|<ul><li>[IndexOf_Word_NotFound - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options%3a%20(%2c%20IgnoreCase%2c%20False)).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Globalization/StringSearch.cs#L102-#L104>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 896.61 ns | 818.64 ns | 0.91 | 0.01 | False | | |
|<ul><li>[IndexOf_Word_NotFound - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options%3a%20(en-US%2c%20None%2c%20False)).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Globalization/StringSearch.cs#L102-#L104>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 613.32 ns | 534.20 ns | 0.87 | 0.10 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Globalization.Tests.StringSearch_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Globalization.Tests.StringSearch_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Globalization.Tests.StringSearch_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Globalization.Tests.StringSearch_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_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.IndexOf_Word_NotFound(Options: (en-US, IgnoreCase, False))

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (en-US, IgnoreNonSpace, False))

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (, IgnoreCase, False))

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (en-US, None, False))

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [a50dedf326cf31e2320cbc97d3ae721b26a1f2b2](https://github.com/dotnet/runtime/commit/a50dedf326cf31e2320cbc97d3ae721b26a1f2b2)
Compare | [d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd](https://github.com/dotnet/runtime/commit/d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a50dedf326cf31e2320cbc97d3ae721b26a1f2b2...d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Runtime.Intrinsics.Tests.Perf_Vector128Of&lt;SByte&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetHashCodeBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Runtime.Intrinsics.Tests.Perf_Vector128Of(SByte).GetHashCodeBenchmark.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime.Intrinsics/Perf_Vector128OfT.cs#L40-#L41>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 60.67 ns | 36.22 ns | 0.60 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Runtime.Intrinsics.Tests.Perf_Vector128Of%28SByte%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_22_2025/refs/heads/main_arm64_ubuntu%2022.04_Improvement/System.Runtime.Intrinsics.Tests.Perf_Vector128Of%28SByte%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;SByte&gt;*'
```

<details>

### System.Runtime.Intrinsics.Tests.Perf_Vector128Of&lt;SByte&gt;.GetHashCodeBenchmark

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>

Name	Value
Architecture	arm64
OS	ubuntu 22.04
Queue	AmpereUbuntu
Baseline	a50dedf326cf31e2320cbc97d3ae721b26a1f2b2
Compare	d1f333e9b23ecd5c5bd0f6a81065cf1df355e8bd
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Ieee754Remainder_ScalarDivisor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.87 μs	1.38 μs	0.74	0.03	False
Ieee754Remainder_ScalarDividend - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.78 μs	1.21 μs	0.68	0.04	False
Ieee754Remainder_Vector - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	74.31 μs	61.77 μs	0.83	0.00	False
Ieee754Remainder_ScalarDivisor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	67.65 μs	57.61 μs	0.85	0.01	False
Ieee754Remainder_ScalarDividend - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	52.09 μs	42.60 μs	0.82	0.02	False
Ieee754Remainder_Vector - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.72 μs	1.30 μs	0.75	0.06	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
IndexOfString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	43.50 ns	37.75 ns	0.87	0.01	False
IndexOfString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	299.51 ns	249.66 ns	0.83	0.19	False
IndexOfString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	26.10 ns	21.73 ns	0.83	0.01	False
IndexOfString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	34.51 ns	30.07 ns	0.87	0.01	False
IndexOfString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	30.33 ns	26.12 ns	0.86	0.01	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
WriteDateTimes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.16 ms	4.79 ms	0.93	0.01	False
WriteDateTimes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.78 ms	5.39 ms	0.93	0.02	False
WriteDateTimes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.22 ms	4.90 ms	0.94	0.01	False
WriteDateTimes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.85 ms	5.48 ms	0.94	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Ieee754Remainder_Vector - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	67.36 μs	59.49 μs	0.88	0.00	False
Ieee754Remainder_ScalarDivisor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.58 μs	1.38 μs	0.87	0.04	False
Ieee754Remainder_ScalarDividend - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.44 μs	1.29 μs	0.90	0.29	False
Ieee754Remainder_ScalarDivisor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	64.30 μs	57.50 μs	0.89	0.00	False
Ieee754Remainder_ScalarDividend - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	46.97 μs	42.90 μs	0.91	0.02	False
Ieee754Remainder_Vector - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.53 μs	1.21 μs	0.79	0.19	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
IndexOf_Word_NotFound - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	896.91 ns	751.19 ns	0.84	0.02	False
IndexOf_Word_NotFound - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	610.18 ns	532.78 ns	0.87	0.11	False
IndexOf_Word_NotFound - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	896.61 ns	818.64 ns	0.91	0.01	False
IndexOf_Word_NotFound - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	613.32 ns	534.20 ns	0.87	0.10	False

[Perf] Linux/arm64: 65 Improvements on 5/19/2025 6:24:41 PM +00:00 #55996

Description

Run Information

Improvements in System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Double>

Repro

System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Double>.Ieee754Remainder_ScalarDivisor(BufferLength: 128)

ETL Files

Histogram

JIT Disasms

System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Double>.Ieee754Remainder_ScalarDividend(BufferLength: 128)

ETL Files

Histogram

JIT Disasms

System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Double>.Ieee754Remainder_Vector(BufferLength: 3079)

ETL Files

Histogram

JIT Disasms

System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Double>.Ieee754Remainder_ScalarDivisor(BufferLength: 3079)

ETL Files

Histogram

JIT Disasms

System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Double>.Ieee754Remainder_ScalarDividend(BufferLength: 3079)

ETL Files

Histogram

JIT Disasms

System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Double>.Ieee754Remainder_Vector(BufferLength: 128)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Memory.ReadOnlySpan

Repro

System.Memory.ReadOnlySpan.IndexOfString(input: "foobardzsdzs", value: "rddzs", comparisonType: InvariantCulture)

ETL Files

Histogram

JIT Disasms

System.Memory.ReadOnlySpan.IndexOfString(input: "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAXAAAAAAAAAAAAAAAAAAAAAAAAAAAAA", value: "x", comparisonType: InvariantCultureIgnoreCase)

ETL Files

Histogram

JIT Disasms

System.Memory.ReadOnlySpan.IndexOfString(input: "ABCDE", value: "c", comparisonType: InvariantCultureIgnoreCase)

ETL Files

Histogram

JIT Disasms

System.Memory.ReadOnlySpan.IndexOfString(input: "string1", value: "string2", comparisonType: InvariantCulture)

ETL Files

Histogram

JIT Disasms

System.Memory.ReadOnlySpan.IndexOfString(input: "AAAAA5AAAA", value: "5", comparisonType: InvariantCulture)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Text.Json.Tests.Perf_DateTimes

Repro

System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: False, SkipValidation: True)

ETL Files

Histogram

JIT Disasms

System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: True, SkipValidation: True)

ETL Files

Histogram

JIT Disasms

System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: False, SkipValidation: False)

ETL Files

Histogram

JIT Disasms

System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: True, SkipValidation: False)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Single>

Repro

System.Numerics.Tensors.Tests.Perf_FloatingPointTensorPrimitives<Single>.Ieee754Remainder_Vector(BufferLength: 3079)

ETL Files

Histogram