[Perf] Linux/arm64: 10 Improvements on 8/30/2022 9:25:07 PM

### Run Information

Architecture | arm64
-- | --
OS | ubuntu 18.04
Baseline | [a17dcda94f1a2e6ad0f20e77aa68cef5eaf131a8](https://github.com/dotnet/runtime/commit/a17dcda94f1a2e6ad0f20e77aa68cef5eaf131a8)
Compare | [4190ef878368d552380329348129a03008fc57cc](https://github.com/dotnet/runtime/commit/4190ef878368d552380329348129a03008fc57cc)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a17dcda94f1a2e6ad0f20e77aa68cef5eaf131a8...4190ef878368d552380329348129a03008fc57cc)


### Improvements in PerfLabTests.CastingPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ObjScalarValueType - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 18.04/PerfLabTests.CastingPerf.ObjScalarValueType.html>) | 1.58 ms | 1.12 ms | 0.71 | 0.27 | False | | |
[FooObjIsFoo2 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 18.04/PerfLabTests.CastingPerf.FooObjIsFoo2.html>) | 1.78 ms | 1.40 ms | 0.79 | 0.29 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_08_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/PerfLabTests.CastingPerf_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_08_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/PerfLabTests.CastingPerf_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_08_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/PerfLabTests.CastingPerf.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'PerfLabTests.CastingPerf*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-6a8313c2-68b6-4872-8bee-0636d5f973c4d0d161273204c0093/36e283fd-b9b4-4a10-8252-a70a7bb7b552.zip?sv=2021-08-06&se=2022-09-29T16%3A05%3A22Z&sr=c&sp=rl&sig=rVXbDVDilYEzxFQxqacdoEMT%2F9JGybdTcaQnjXa89ss%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-af4428c6-0a56-4079-ae2c-918192010160f4bcf3d85764dfeaa/99d199a7-50cf-47bd-baa1-494e3ac45baa.zip?sv=2021-08-06&se=2022-09-30T05%3A12%3A13Z&sr=c&sp=rl&sig=umbyfGbuBd0Tg1iUq4oFqSTqpGv7FeDUZAcCdlzZdcQ%3D>)
### Histogram

#### PerfLabTests.CastingPerf.ObjScalarValueType

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 1.117080033482143 < 1.5001351619583334.
IsChangePoint: Marked as a change because one of 8/30/2022 6:17:03 PM, 9/8/2022 4:04:25 AM falls between 8/30/2022 2:13:40 PM and 9/8/2022 4:04:25 AM.
IsImprovementStdDev: Marked as improvement because 7.883389527918186 (T) = (0 -1226951.5642512238) / Math.Sqrt((27913551305.772415 / (299)) + (42684405999.926346 / (36))) is greater than 1.9671134448822736 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (36) - 2, .975) and 0.18685147908052935 = (1508889.867823708 - 1226951.5642512238) / 1508889.867823708 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### PerfLabTests.CastingPerf.FooObjIsFoo2

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 1.402628877083333 < 1.6989447919444443.
IsChangePoint: Marked as a change because one of 8/20/2022 7:42:33 PM, 8/25/2022 4:02:22 AM, 9/4/2022 3:57:42 PM, 9/8/2022 4:04:25 AM falls between 8/30/2022 2:13:40 PM and 9/8/2022 4:04:25 AM.
IsImprovementStdDev: Marked as improvement because 3.031089039659782 (T) = (0 -1547184.9732933128) / Math.Sqrt((27823238096.458324 / (299)) + (44053684309.315506 / (15))) is greater than 1.9675964973877862 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (15) - 2, .975) and 0.09734166538864532 = (1714031.6706425396 - 1547184.9732933128) / 1714031.6706425396 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```

### 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

Architecture | arm64
-- | --
OS | ubuntu 18.04
Baseline | [a17dcda94f1a2e6ad0f20e77aa68cef5eaf131a8](https://github.com/dotnet/runtime/commit/a17dcda94f1a2e6ad0f20e77aa68cef5eaf131a8)
Compare | [4190ef878368d552380329348129a03008fc57cc](https://github.com/dotnet/runtime/commit/4190ef878368d552380329348129a03008fc57cc)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a17dcda94f1a2e6ad0f20e77aa68cef5eaf131a8...4190ef878368d552380329348129a03008fc57cc)


### Improvements in System.Numerics.Tests.Perf_Matrix3x2

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[NegateBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 18.04/System.Numerics.Tests.Perf_Matrix3x2.NegateBenchmark.html>) | 18.29 ns | 15.55 ns | 0.85 | 0.55 | False | | |
[SubtractBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 18.04/System.Numerics.Tests.Perf_Matrix3x2.SubtractBenchmark.html>) | 25.28 ns | 20.48 ns | 0.81 | 0.63 | False | | |
[NegationOperatorBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 18.04/System.Numerics.Tests.Perf_Matrix3x2.NegationOperatorBenchmark.html>) | 20.85 ns | 11.65 ns | 0.56 | 0.50 | False | | |
[MultiplyByScalarOperatorBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 18.04/System.Numerics.Tests.Perf_Matrix3x2.MultiplyByScalarOperatorBenchmark.html>) | 18.24 ns | 12.71 ns | 0.70 | 0.56 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_08_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Numerics.Tests.Perf_Matrix3x2_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_08_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Numerics.Tests.Perf_Matrix3x2_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_08_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Numerics.Tests.Perf_Matrix3x2_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_08_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Numerics.Tests.Perf_Matrix3x2_4.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_08_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Numerics.Tests.Perf_Matrix3x2.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Numerics.Tests.Perf_Matrix3x2*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-6a8313c2-68b6-4872-8bee-0636d5f973c4d0d161273204c0093/36e283fd-b9b4-4a10-8252-a70a7bb7b552.zip?sv=2021-08-06&se=2022-09-29T16%3A05%3A22Z&sr=c&sp=rl&sig=rVXbDVDilYEzxFQxqacdoEMT%2F9JGybdTcaQnjXa89ss%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-af4428c6-0a56-4079-ae2c-918192010160f4bcf3d85764dfeaa/99d199a7-50cf-47bd-baa1-494e3ac45baa.zip?sv=2021-08-06&se=2022-09-30T05%3A12%3A13Z&sr=c&sp=rl&sig=umbyfGbuBd0Tg1iUq4oFqSTqpGv7FeDUZAcCdlzZdcQ%3D>)
### Histogram

#### System.Numerics.Tests.Perf_Matrix3x2.NegateBenchmark

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 15.550077748747801 < 18.974892672347526.
IsChangePoint: Marked as a change because one of 8/30/2022 6:17:03 PM, 9/8/2022 4:04:25 AM falls between 8/30/2022 2:13:40 PM and 9/8/2022 4:04:25 AM.
IsImprovementStdDev: Marked as improvement because 13.931545441333482 (T) = (0 -13.453157206559924) / Math.Sqrt((1.643398208284182 / (299)) + (3.827916826736746 / (36))) is greater than 1.9671134448822736 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (36) - 2, .975) and 0.2572219971687954 = (18.111948866661763 - 13.453157206559924) / 18.111948866661763 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_Matrix3x2.SubtractBenchmark

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 20.480739704635443 < 23.97522949956443.
IsChangePoint: Marked as a change because one of 8/31/2022 10:21:55 AM, 9/8/2022 4:04:25 AM falls between 8/30/2022 2:13:40 PM and 9/8/2022 4:04:25 AM.
IsImprovementStdDev: Marked as improvement because 10.97989767733679 (T) = (0 -21.595147259132705) / Math.Sqrt((4.558812814248239 / (299)) + (2.852653087930012 / (32))) is greater than 1.9672006833568965 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (32) - 2, .975) and 0.14109773753292984 = (25.142729508132657 - 21.595147259132705) / 25.142729508132657 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_Matrix3x2.NegationOperatorBenchmark

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 11.647898615910067 < 18.911300897308845.
IsChangePoint: Marked as a change because one of 8/30/2022 6:17:03 PM, 9/8/2022 4:04:25 AM falls between 8/30/2022 2:13:40 PM and 9/8/2022 4:04:25 AM.
IsImprovementStdDev: Marked as improvement because 20.03075415397304 (T) = (0 -12.48561681491153) / Math.Sqrt((2.1032658738171857 / (299)) + (2.640639583837623 / (36))) is greater than 1.9671134448822736 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (36) - 2, .975) and 0.31264776424796453 = (18.164801342721983 - 12.48561681491153) / 18.164801342721983 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_Matrix3x2.MultiplyByScalarOperatorBenchmark

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 12.707620461422321 < 17.963728856191892.
IsChangePoint: Marked as a change because one of 8/30/2022 6:17:03 PM, 9/8/2022 4:04:25 AM falls between 8/30/2022 2:13:40 PM and 9/8/2022 4:04:25 AM.
IsImprovementStdDev: Marked as improvement because 16.35195025138139 (T) = (0 -14.379495137538754) / Math.Sqrt((2.458118357993808 / (299)) + (3.532444669872601 / (36))) is greater than 1.9671134448822736 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (36) - 2, .975) and 0.2705189275242159 = (19.71195097459653 - 14.379495137538754) / 19.71195097459653 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```

### 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

Architecture | arm64
-- | --
OS | ubuntu 18.04
Baseline | [a17dcda94f1a2e6ad0f20e77aa68cef5eaf131a8](https://github.com/dotnet/runtime/commit/a17dcda94f1a2e6ad0f20e77aa68cef5eaf131a8)
Compare | [4190ef878368d552380329348129a03008fc57cc](https://github.com/dotnet/runtime/commit/4190ef878368d552380329348129a03008fc57cc)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a17dcda94f1a2e6ad0f20e77aa68cef5eaf131a8...4190ef878368d552380329348129a03008fc57cc)


### Improvements in System.Numerics.Tests.Perf_Quaternion

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[EqualsBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 18.04/System.Numerics.Tests.Perf_Quaternion.EqualsBenchmark.html>) | 9.63 ns | 8.47 ns | 0.88 | 0.63 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_08_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Numerics.Tests.Perf_Quaternion_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_08_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Numerics.Tests.Perf_Quaternion.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Numerics.Tests.Perf_Quaternion*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-6a8313c2-68b6-4872-8bee-0636d5f973c4d0d161273204c0093/36e283fd-b9b4-4a10-8252-a70a7bb7b552.zip?sv=2021-08-06&se=2022-09-29T16%3A05%3A22Z&sr=c&sp=rl&sig=rVXbDVDilYEzxFQxqacdoEMT%2F9JGybdTcaQnjXa89ss%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-af4428c6-0a56-4079-ae2c-918192010160f4bcf3d85764dfeaa/99d199a7-50cf-47bd-baa1-494e3ac45baa.zip?sv=2021-08-06&se=2022-09-30T05%3A12%3A13Z&sr=c&sp=rl&sig=umbyfGbuBd0Tg1iUq4oFqSTqpGv7FeDUZAcCdlzZdcQ%3D>)
### Histogram

#### System.Numerics.Tests.Perf_Quaternion.EqualsBenchmark

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 8.472131678044937 < 9.145590770458565.
IsChangePoint: Marked as a change because one of 8/30/2022 6:17:03 PM, 9/8/2022 4:04:25 AM falls between 8/30/2022 2:13:40 PM and 9/8/2022 4:04:25 AM.
IsImprovementStdDev: Marked as improvement because 24.887414558519247 (T) = (0 -4.963312666459794) / Math.Sqrt((1.9617641317190944 / (299)) + (1.2862130167621555 / (36))) is greater than 1.9671134448822736 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (36) - 2, .975) and 0.5076687352336141 = (10.0812461479872 - 4.963312666459794) / 10.0812461479872 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```

### 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

Architecture | arm64
-- | --
OS | ubuntu 18.04
Baseline | [a17dcda94f1a2e6ad0f20e77aa68cef5eaf131a8](https://github.com/dotnet/runtime/commit/a17dcda94f1a2e6ad0f20e77aa68cef5eaf131a8)
Compare | [4190ef878368d552380329348129a03008fc57cc](https://github.com/dotnet/runtime/commit/4190ef878368d552380329348129a03008fc57cc)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a17dcda94f1a2e6ad0f20e77aa68cef5eaf131a8...4190ef878368d552380329348129a03008fc57cc)


### Improvements in System.Threading.Tests.Perf_CancellationToken

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[CreateLinkedTokenSource1 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 18.04/System.Threading.Tests.Perf_CancellationToken.CreateLinkedTokenSource1.html>) | 383.40 ns | 314.84 ns | 0.82 | 0.40 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_08_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Threading.Tests.Perf_CancellationToken_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_08_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Threading.Tests.Perf_CancellationToken.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Threading.Tests.Perf_CancellationToken*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-6a8313c2-68b6-4872-8bee-0636d5f973c4d0d161273204c0093/36e283fd-b9b4-4a10-8252-a70a7bb7b552.zip?sv=2021-08-06&se=2022-09-29T16%3A05%3A22Z&sr=c&sp=rl&sig=rVXbDVDilYEzxFQxqacdoEMT%2F9JGybdTcaQnjXa89ss%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-af4428c6-0a56-4079-ae2c-918192010160f4bcf3d85764dfeaa/99d199a7-50cf-47bd-baa1-494e3ac45baa.zip?sv=2021-08-06&se=2022-09-30T05%3A12%3A13Z&sr=c&sp=rl&sig=umbyfGbuBd0Tg1iUq4oFqSTqpGv7FeDUZAcCdlzZdcQ%3D>)
### Histogram

#### System.Threading.Tests.Perf_CancellationToken.CreateLinkedTokenSource1

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 314.84349447404253 < 361.7568360797649.
IsChangePoint: Marked as a change because one of 8/30/2022 6:17:03 PM, 9/8/2022 4:04:25 AM falls between 8/30/2022 2:13:40 PM and 9/8/2022 4:04:25 AM.
IsImprovementStdDev: Marked as improvement because 5.558012111383666 (T) = (0 -332.8865953962951) / Math.Sqrt((880.1856864018545 / (299)) + (915.3747555954097 / (36))) is greater than 1.9671134448822736 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (36) - 2, .975) and 0.08166922386479092 = (362.49094993554155 - 332.8865953962951) / 362.49094993554155 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```

### 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

Architecture | arm64
-- | --
OS | ubuntu 18.04
Baseline | [a17dcda94f1a2e6ad0f20e77aa68cef5eaf131a8](https://github.com/dotnet/runtime/commit/a17dcda94f1a2e6ad0f20e77aa68cef5eaf131a8)
Compare | [4190ef878368d552380329348129a03008fc57cc](https://github.com/dotnet/runtime/commit/4190ef878368d552380329348129a03008fc57cc)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a17dcda94f1a2e6ad0f20e77aa68cef5eaf131a8...4190ef878368d552380329348129a03008fc57cc)


### Improvements in System.Threading.Tasks.ValueTaskPerfTest

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Copy_PassAsArgumentAndReturn_FromResult - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 18.04/System.Threading.Tasks.ValueTaskPerfTest.Copy_PassAsArgumentAndReturn_FromResult.html>) | 29.70 ns | 22.84 ns | 0.77 | 0.53 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_08_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Threading.Tasks.ValueTaskPerfTest_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_08_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Threading.Tasks.ValueTaskPerfTest.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Threading.Tasks.ValueTaskPerfTest*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-6a8313c2-68b6-4872-8bee-0636d5f973c4d0d161273204c0093/36e283fd-b9b4-4a10-8252-a70a7bb7b552.zip?sv=2021-08-06&se=2022-09-29T16%3A05%3A22Z&sr=c&sp=rl&sig=rVXbDVDilYEzxFQxqacdoEMT%2F9JGybdTcaQnjXa89ss%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-af4428c6-0a56-4079-ae2c-918192010160f4bcf3d85764dfeaa/99d199a7-50cf-47bd-baa1-494e3ac45baa.zip?sv=2021-08-06&se=2022-09-30T05%3A12%3A13Z&sr=c&sp=rl&sig=umbyfGbuBd0Tg1iUq4oFqSTqpGv7FeDUZAcCdlzZdcQ%3D>)
### Histogram

#### System.Threading.Tasks.ValueTaskPerfTest.Copy_PassAsArgumentAndReturn_FromResult

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 22.8357145134597 < 24.1222367254773.
IsChangePoint: Marked as a change because one of 8/30/2022 6:17:03 PM, 9/8/2022 4:04:25 AM falls between 8/30/2022 2:13:40 PM and 9/8/2022 4:04:25 AM.
IsImprovementStdDev: Marked as improvement because 9.873201504186643 (T) = (0 -17.99277453716331) / Math.Sqrt((10.415318722583745 / (299)) + (26.325212472646395 / (36))) is greater than 1.9671134448822736 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (36) - 2, .975) and 0.32445474743688807 = (26.6344474613599 - 17.99277453716331) / 26.6344474613599 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```

### 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

Architecture | arm64
-- | --
OS | ubuntu 18.04
Baseline | [a17dcda94f1a2e6ad0f20e77aa68cef5eaf131a8](https://github.com/dotnet/runtime/commit/a17dcda94f1a2e6ad0f20e77aa68cef5eaf131a8)
Compare | [4190ef878368d552380329348129a03008fc57cc](https://github.com/dotnet/runtime/commit/4190ef878368d552380329348129a03008fc57cc)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a17dcda94f1a2e6ad0f20e77aa68cef5eaf131a8...4190ef878368d552380329348129a03008fc57cc)


### Improvements in System.Collections.CtorDefaultSize&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ConcurrentDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 18.04/System.Collections.CtorDefaultSize(String).ConcurrentDictionary.html>) | 1.77 μs | 1.50 μs | 0.84 | 0.26 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_08_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Collections.CtorDefaultSize(String)_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_08_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Collections.CtorDefaultSize(String).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.CtorDefaultSize&lt;String&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-6a8313c2-68b6-4872-8bee-0636d5f973c4d0d161273204c0093/36e283fd-b9b4-4a10-8252-a70a7bb7b552.zip?sv=2021-08-06&se=2022-09-29T16%3A05%3A22Z&sr=c&sp=rl&sig=rVXbDVDilYEzxFQxqacdoEMT%2F9JGybdTcaQnjXa89ss%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-af4428c6-0a56-4079-ae2c-918192010160f4bcf3d85764dfeaa/99d199a7-50cf-47bd-baa1-494e3ac45baa.zip?sv=2021-08-06&se=2022-09-30T05%3A12%3A13Z&sr=c&sp=rl&sig=umbyfGbuBd0Tg1iUq4oFqSTqpGv7FeDUZAcCdlzZdcQ%3D>)
### Histogram

#### System.Collections.CtorDefaultSize&lt;String&gt;.ConcurrentDictionary

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 1.4955473967901796 < 1.6793608015142512.
IsChangePoint: Marked as a change because one of 8/30/2022 6:17:03 PM, 9/8/2022 4:04:25 AM falls between 8/30/2022 2:13:40 PM and 9/8/2022 4:04:25 AM.
IsImprovementStdDev: Marked as improvement because 6.7440167708066205 (T) = (0 -1588.0098800966673) / Math.Sqrt((6475.917031766745 / (299)) + (11752.365642843197 / (36))) is greater than 1.9671134448822736 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (36) - 2, .975) and 0.0734190946819609 = (1713.8383394071775 - 1588.0098800966673) / 1713.8383394071775 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```

### 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>




Architecture	arm64
OS	ubuntu 18.04
Baseline	a17dcda94f1a2e6ad0f20e77aa68cef5eaf131a8
Compare	4190ef878368d552380329348129a03008fc57cc
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ObjScalarValueType - Duration of single invocation	1.58 ms	1.12 ms	0.71	0.27	False
FooObjIsFoo2 - Duration of single invocation	1.78 ms	1.40 ms	0.79	0.29	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
NegateBenchmark - Duration of single invocation	18.29 ns	15.55 ns	0.85	0.55	False
SubtractBenchmark - Duration of single invocation	25.28 ns	20.48 ns	0.81	0.63	False
NegationOperatorBenchmark - Duration of single invocation	20.85 ns	11.65 ns	0.56	0.50	False
MultiplyByScalarOperatorBenchmark - Duration of single invocation	18.24 ns	12.71 ns	0.70	0.56	False

[Perf] Linux/arm64: 10 Improvements on 8/30/2022 9:25:07 PM #8442

Description

Run Information

Improvements in PerfLabTests.CastingPerf

Repro

Payloads

Histogram

PerfLabTests.CastingPerf.ObjScalarValueType

Description of detection logic

Description of detection logic

Docs

Improvements in System.Numerics.Tests.Perf_Matrix3x2

Repro

Payloads

Histogram

System.Numerics.Tests.Perf_Matrix3x2.NegateBenchmark

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Docs

Run Information

Improvements in System.Numerics.Tests.Perf_Quaternion

Repro

Payloads

Histogram

System.Numerics.Tests.Perf_Quaternion.EqualsBenchmark

Description of detection logic

Docs

Run Information

Improvements in System.Threading.Tests.Perf_CancellationToken

Repro

Payloads

Histogram

System.Threading.Tests.Perf_CancellationToken.CreateLinkedTokenSource1

Description of detection logic

Docs

Run Information

Improvements in System.Threading.Tasks.ValueTaskPerfTest

Repro

Payloads

Histogram

System.Threading.Tasks.ValueTaskPerfTest.Copy_PassAsArgumentAndReturn_FromResult

Description of detection logic

Docs

Run Information

Improvements in System.Collections.CtorDefaultSize<String>

Repro

Payloads

Histogram

System.Collections.CtorDefaultSize<String>.ConcurrentDictionary

Description of detection logic

Docs

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