[Perf] Windows/arm64: 4 Regressions on 1/11/2024 5:32:36 PM

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.19041
Queue | SurfaceWindows
Baseline | [adfae48391d47338d620c970d64a4bdec64fa7f8](https://github.com/dotnet/runtime/commit/adfae48391d47338d620c970d64a4bdec64fa7f8)
Compare | [1a76e377aeb34b030cbf0248bc8a8c0cf9245ab8](https://github.com/dotnet/runtime/commit/1a76e377aeb34b030cbf0248bc8a8c0cf9245ab8)
Diff | [Diff](https://github.com/dotnet/runtime/compare/adfae48391d47338d620c970d64a4bdec64fa7f8...1a76e377aeb34b030cbf0248bc8a8c0cf9245ab8)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[FirstArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Buffers.Tests.ReadOnlySequenceTests(Char).FirstArray.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L52-#L53>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.57 ns | 9.17 ns | 1.21 | 0.03 | False | | |
|<ul><li>[FirstMemory - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Buffers.Tests.ReadOnlySequenceTests(Char).FirstMemory.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L101-#L102>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.83 ns | 9.69 ns | 1.24 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_18_2024/refs/heads/main_arm64_Windows%2010.0.19041_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Char%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_18_2024/refs/heads/main_arm64_Windows%2010.0.19041_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Char%29_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_18_2024/refs/heads/main_arm64_Windows%2010.0.19041_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Char%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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-a2666c60-34e3-4d05-9d9d-e95c13b4ba65670d6d13b1547588f/28e23b07-4f2d-4fff-823c-2cc69d7a7b19.zip?sv=2021-08-06&se=2024-02-09T16%3A36%3A52Z&sr=c&sp=rl&sig=lXFP2RaefywpRhPeFh8OAOduQAs48dfskQREJS1LW8o%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-56de1049-9e88-49a9-838c-6a87ebf36c37e6437a7d7d446d0ae/bf43d1a3-69ca-4dac-93c7-d510b880dbe8.zip?sv=2021-08-06&se=2024-02-11T03%3A21%3A29Z&sr=c&sp=rl&sig=NPSNWLoSpiUv2ErNsCHZy9fdZKlSv26OidQurYnPDfE%3D>)
### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.FirstArray

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.FirstMemory

#### 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 | Windows 10.0.19041
Queue | SurfaceWindows
Baseline | [adfae48391d47338d620c970d64a4bdec64fa7f8](https://github.com/dotnet/runtime/commit/adfae48391d47338d620c970d64a4bdec64fa7f8)
Compare | [1a76e377aeb34b030cbf0248bc8a8c0cf9245ab8](https://github.com/dotnet/runtime/commit/1a76e377aeb34b030cbf0248bc8a8c0cf9245ab8)
Diff | [Diff](https://github.com/dotnet/runtime/compare/adfae48391d47338d620c970d64a4bdec64fa7f8...1a76e377aeb34b030cbf0248bc8a8c0cf9245ab8)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[FirstMemory - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Buffers.Tests.ReadOnlySequenceTests(Byte).FirstMemory.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L101-#L102>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.97 ns | 9.78 ns | 1.23 | 0.01 | False | | |
|<ul><li>[FirstArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.19041/System.Buffers.Tests.ReadOnlySequenceTests(Byte).FirstArray.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Buffers/ReadOnlySequenceTests.cs#L52-#L53>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACo1UXW/TMBR9R+I/+C0JZG32QYcmMtGWDQYUSto3hJCb3DZG/siu7a2eEL8dO63K2kkoUhTFx+ece3zlmwlQbREESKOf/Sb3NSCQkWW8KqBRJM9JVCkjwfTRSsMERPusEVJZ1i0PYan7NdBK9wVl8oA4xLJmBkrjqxEmSRytB2dRSiKKwn8kO/YctPlCBQTPt9HMaQOiN7LLJaDuhU3dK3yRr5K7GdxakCW06JuRM3DZu2aozRCRun8BCivHSi7ZyiI1TEn9PRor0TDeriaqgugHyf+QyDBPr6Ln/1N66BOT1VYhWInqkYBpEI1x8RPhUJmkA+1G6c/8TrQt68L/qK/kiknowg3GXXgTJVXHuIF6Iw1gg+DfXSTTlZq7plPgae00KymfohIqIF2FH9wCWfWeqwXl7KHFusiKk6Jrhat1A+jHQbZ3df/2jpUfFcC5arZf+5Mw97KZoaIhl6SiBsJUxSfZyenRcXZ0/HqenV+chac3GJy/ygbZyyy7yLJQQlshKLIHIBRXPwVdx61hSJCSFwlZuIMK6W6a0nCVv1mw4H0aVL/8JD4hF6AtNzn61FX86CQbfHgHSFfe6TRJSWsVjPNrZCAr7nZIaFa7CJHR7wGScMaypmjIPTM1ibVvHuh8p0nJulTcCpkfZnIbXOebEJ5omOGQR+986/z/w22XQUJiqZOA6YYzk9M16OQvayjVTuEEAAA=>)</li></ul> | 7.54 ns | 9.36 ns | 1.24 | 0.02 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_18_2024/refs/heads/main_arm64_Windows%2010.0.19041_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Byte%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_18_2024/refs/heads/main_arm64_Windows%2010.0.19041_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Byte%29_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/01_18_2024/refs/heads/main_arm64_Windows%2010.0.19041_Regression/System.Buffers.Tests.ReadOnlySequenceTests%28Byte%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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-a2666c60-34e3-4d05-9d9d-e95c13b4ba65670d6d13b1547588f/28e23b07-4f2d-4fff-823c-2cc69d7a7b19.zip?sv=2021-08-06&se=2024-02-09T16%3A36%3A52Z&sr=c&sp=rl&sig=lXFP2RaefywpRhPeFh8OAOduQAs48dfskQREJS1LW8o%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-56de1049-9e88-49a9-838c-6a87ebf36c37e6437a7d7d446d0ae/bf43d1a3-69ca-4dac-93c7-d510b880dbe8.zip?sv=2021-08-06&se=2024-02-11T03%3A21%3A29Z&sr=c&sp=rl&sig=NPSNWLoSpiUv2ErNsCHZy9fdZKlSv26OidQurYnPDfE%3D>)
### System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;.FirstMemory

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;.FirstArray

#### 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>

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[Perf] Windows/arm64: 4 Regressions on 1/11/2024 5:32:36 PM #27475

Run Information

Regressions in System.Buffers.Tests.ReadOnlySequenceTests<Char>

Repro

Payloads

System.Buffers.Tests.ReadOnlySequenceTests<Char>.FirstArray

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.ReadOnlySequenceTests<Char>.FirstMemory

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Buffers.Tests.ReadOnlySequenceTests<Byte>

Repro

Payloads

System.Buffers.Tests.ReadOnlySequenceTests<Byte>.FirstMemory

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.ReadOnlySequenceTests<Byte>.FirstArray

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Name	Value
Architecture	arm64
OS	Windows 10.0.19041
Queue	SurfaceWindows
Baseline	adfae48391d47338d620c970d64a4bdec64fa7f8
Compare	1a76e377aeb34b030cbf0248bc8a8c0cf9245ab8
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
FirstArray - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	7.57 ns	9.17 ns	1.21	0.03	False
FirstMemory - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	7.83 ns	9.69 ns	1.24	0.01	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
FirstMemory - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	7.97 ns	9.78 ns	1.23	0.01	False
FirstArray - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	7.54 ns	9.36 ns	1.24	0.02	True

[Perf] Windows/arm64: 4 Regressions on 1/11/2024 5:32:36 PM #27475

Description

Run Information

Regressions in System.Buffers.Tests.ReadOnlySequenceTests<Char>

Repro

Payloads

System.Buffers.Tests.ReadOnlySequenceTests<Char>.FirstArray

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.ReadOnlySequenceTests<Char>.FirstMemory

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Buffers.Tests.ReadOnlySequenceTests<Byte>

Repro

Payloads

System.Buffers.Tests.ReadOnlySequenceTests<Byte>.FirstMemory

ETL Files

Histogram

JIT Disasms

System.Buffers.Tests.ReadOnlySequenceTests<Byte>.FirstArray

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions