[Perf] Linux/x64: 7 Improvements on 4/25/2023 8:51:41 AM

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 18.04
Queue | TigerUbuntu
Baseline | [620b0db3a987bab2694a0043cacb3e2a86673df5](https://github.com/dotnet/runtime/commit/620b0db3a987bab2694a0043cacb3e2a86673df5)
Compare | [2e0033cf25cee5457ee326dc1eaff013b939d00d](https://github.com/dotnet/runtime/commit/2e0033cf25cee5457ee326dc1eaff013b939d00d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/620b0db3a987bab2694a0043cacb3e2a86673df5...2e0033cf25cee5457ee326dc1eaff013b939d00d)
Configs | CompilationMode:tiered, RunKind:micro


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

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[IterateGetPositionArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Buffers.Tests.ReadOnlySequenceTests(Char).IterateGetPositionArray.html>) | 19.35 ns | 15.76 ns | 0.81 | 0.02 | False | | |
[IterateGetPositionSingleSegment - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Buffers.Tests.ReadOnlySequenceTests(Char).IterateGetPositionSingleSegment.html>) | 25.16 ns | 22.23 ns | 0.88 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_02_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Buffers.Tests.ReadOnlySequenceTests%28Char%29_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_02_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Buffers.Tests.ReadOnlySequenceTests%28Char%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-0487f60d-9260-4596-850a-9be4d0916840351378eb4704256be/ac1da016-f29b-4fe5-b72d-e8fbb474402a.zip?sv=2021-08-06&se=2023-05-25T01%3A10%3A34Z&sr=c&sp=rl&sig=wPTqJiQxqAMiILhEfGmOs9xbglRIYBa9hNnb6DIkHnU%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-52f06371-aa68-47f8-a950-7c54eece754efb7004deab34b7497/23f9c587-f114-475c-90f6-f708ea75525f.zip?sv=2021-08-06&se=2023-05-25T14%3A54%3A27Z&sr=c&sp=rl&sig=ZXaEb8SX7ynlWxue54vdQTnKEt7XnBkBOQZlTLvmmB0%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\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-0487f60d-9260-4596-850a-9be4d0916840351378eb4704256be/ac1da016-f29b-4fe5-b72d-e8fbb474402a.zip?sv=2021-08-06&se=2023-05-25T01%3A10%3A34Z&sr=c&sp=rl&sig=wPTqJiQxqAMiILhEfGmOs9xbglRIYBa9hNnb6DIkHnU%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-52f06371-aa68-47f8-a950-7c54eece754efb7004deab34b7497/23f9c587-f114-475c-90f6-f708ea75525f.zip?sv=2021-08-06&se=2023-05-25T14%3A54%3A27Z&sr=c&sp=rl&sig=ZXaEb8SX7ynlWxue54vdQTnKEt7XnBkBOQZlTLvmmB0%3D>)
### Histogram

#### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.IterateGetPositionArray

```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 15.759047618474698 < 18.403095659205384.
IsChangePoint: Marked as a change because one of 4/10/2023 1:33:42 PM, 4/25/2023 3:46:39 AM, 5/2/2023 10:35:24 AM falls between 4/23/2023 8:38:14 PM and 5/2/2023 10:35:24 AM.
IsImprovementStdDev: Marked as improvement because 34.616466547291914 (T) = (0 -15.939714971172867) / Math.Sqrt((0.23050940341986198 / (299)) + (0.15282038793137992 / (30))) is greater than 1.9672451058622664 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (30) - 2, .975) and 0.14259949278080772 = (18.590745908082276 - 15.939714971172867) / 18.590745908082276 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms

#### System.Buffers.Tests.ReadOnlySequenceTests&lt;Char&gt;.IterateGetPositionSingleSegment

```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 22.225108047770266 < 23.906833849483576.
IsChangePoint: Marked as a change because one of 4/10/2023 1:33:42 PM, 4/25/2023 3:46:39 AM, 5/2/2023 10:35:24 AM falls between 4/23/2023 8:38:14 PM and 5/2/2023 10:35:24 AM.
IsImprovementStdDev: Marked as improvement because 28.918677761330944 (T) = (0 -22.348228776386485) / Math.Sqrt((0.4328983352359828 / (299)) + (0.02815956529596122 / (30))) is greater than 1.9672451058622664 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (30) - 2, .975) and 0.05945561212545588 = (23.760950641457057 - 22.348228776386485) / 23.760950641457057 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 18.04
Queue | TigerUbuntu
Baseline | [620b0db3a987bab2694a0043cacb3e2a86673df5](https://github.com/dotnet/runtime/commit/620b0db3a987bab2694a0043cacb3e2a86673df5)
Compare | [2e0033cf25cee5457ee326dc1eaff013b939d00d](https://github.com/dotnet/runtime/commit/2e0033cf25cee5457ee326dc1eaff013b939d00d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/620b0db3a987bab2694a0043cacb3e2a86673df5...2e0033cf25cee5457ee326dc1eaff013b939d00d)
Configs | CompilationMode:tiered, RunKind:micro


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

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[IterateGetPositionSingleSegment - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Buffers.Tests.ReadOnlySequenceTests(Byte).IterateGetPositionSingleSegment.html>) | 25.01 ns | 22.21 ns | 0.89 | 0.02 | False | | |
[IterateGetPositionArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Buffers.Tests.ReadOnlySequenceTests(Byte).IterateGetPositionArray.html>) | 19.75 ns | 16.04 ns | 0.81 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_02_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Buffers.Tests.ReadOnlySequenceTests%28Byte%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_02_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Buffers.Tests.ReadOnlySequenceTests%28Byte%29_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_02_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Buffers.Tests.ReadOnlySequenceTests%28Byte%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-0487f60d-9260-4596-850a-9be4d0916840351378eb4704256be/ac1da016-f29b-4fe5-b72d-e8fbb474402a.zip?sv=2021-08-06&se=2023-05-25T01%3A10%3A34Z&sr=c&sp=rl&sig=wPTqJiQxqAMiILhEfGmOs9xbglRIYBa9hNnb6DIkHnU%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-52f06371-aa68-47f8-a950-7c54eece754efb7004deab34b7497/23f9c587-f114-475c-90f6-f708ea75525f.zip?sv=2021-08-06&se=2023-05-25T14%3A54%3A27Z&sr=c&sp=rl&sig=ZXaEb8SX7ynlWxue54vdQTnKEt7XnBkBOQZlTLvmmB0%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\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-0487f60d-9260-4596-850a-9be4d0916840351378eb4704256be/ac1da016-f29b-4fe5-b72d-e8fbb474402a.zip?sv=2021-08-06&se=2023-05-25T01%3A10%3A34Z&sr=c&sp=rl&sig=wPTqJiQxqAMiILhEfGmOs9xbglRIYBa9hNnb6DIkHnU%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-52f06371-aa68-47f8-a950-7c54eece754efb7004deab34b7497/23f9c587-f114-475c-90f6-f708ea75525f.zip?sv=2021-08-06&se=2023-05-25T14%3A54%3A27Z&sr=c&sp=rl&sig=ZXaEb8SX7ynlWxue54vdQTnKEt7XnBkBOQZlTLvmmB0%3D>)
### Histogram

#### System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;.IterateGetPositionSingleSegment

```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 22.20670535622241 < 23.630924105635536.
IsChangePoint: Marked as a change because one of 4/10/2023 1:33:42 PM, 4/25/2023 3:46:39 AM, 5/2/2023 10:35:24 AM falls between 4/23/2023 8:38:14 PM and 5/2/2023 10:35:24 AM.
IsImprovementStdDev: Marked as improvement because 22.837389649811183 (T) = (0 -22.337784528472625) / Math.Sqrt((0.3153486408334653 / (299)) + (0.08787839203388043 / (30))) is greater than 1.9672451058622664 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (30) - 2, .975) and 0.06061856926866304 = (23.779248554106484 - 22.337784528472625) / 23.779248554106484 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms

#### System.Buffers.Tests.ReadOnlySequenceTests&lt;Byte&gt;.IterateGetPositionArray

```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 16.03800351152388 < 18.1422788991644.
IsChangePoint: Marked as a change because one of 4/10/2023 1:33:42 PM, 4/25/2023 3:46:39 AM, 5/2/2023 10:35:24 AM falls between 4/23/2023 8:38:14 PM and 5/2/2023 10:35:24 AM.
IsImprovementStdDev: Marked as improvement because 26.493977319208792 (T) = (0 -15.965733232046256) / Math.Sqrt((0.19558947406809135 / (299)) + (0.26758752824081233 / (30))) is greater than 1.9672451058622664 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (30) - 2, .975) and 0.13968682487800704 = (18.55804803847425 - 15.965733232046256) / 18.55804803847425 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 18.04
Queue | TigerUbuntu
Baseline | [620b0db3a987bab2694a0043cacb3e2a86673df5](https://github.com/dotnet/runtime/commit/620b0db3a987bab2694a0043cacb3e2a86673df5)
Compare | [2e0033cf25cee5457ee326dc1eaff013b939d00d](https://github.com/dotnet/runtime/commit/2e0033cf25cee5457ee326dc1eaff013b939d00d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/620b0db3a987bab2694a0043cacb3e2a86673df5...2e0033cf25cee5457ee326dc1eaff013b939d00d)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in Burgers

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Test1 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/Burgers.Test1.html>) | 261.39 ms | 167.30 ms | 0.64 | 0.03 | False | | |

[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_02_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/Burgers.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-0487f60d-9260-4596-850a-9be4d0916840351378eb4704256be/ac1da016-f29b-4fe5-b72d-e8fbb474402a.zip?sv=2021-08-06&se=2023-05-25T01%3A10%3A34Z&sr=c&sp=rl&sig=wPTqJiQxqAMiILhEfGmOs9xbglRIYBa9hNnb6DIkHnU%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-52f06371-aa68-47f8-a950-7c54eece754efb7004deab34b7497/23f9c587-f114-475c-90f6-f708ea75525f.zip?sv=2021-08-06&se=2023-05-25T14%3A54%3A27Z&sr=c&sp=rl&sig=ZXaEb8SX7ynlWxue54vdQTnKEt7XnBkBOQZlTLvmmB0%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'Burgers*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-0487f60d-9260-4596-850a-9be4d0916840351378eb4704256be/ac1da016-f29b-4fe5-b72d-e8fbb474402a.zip?sv=2021-08-06&se=2023-05-25T01%3A10%3A34Z&sr=c&sp=rl&sig=wPTqJiQxqAMiILhEfGmOs9xbglRIYBa9hNnb6DIkHnU%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-52f06371-aa68-47f8-a950-7c54eece754efb7004deab34b7497/23f9c587-f114-475c-90f6-f708ea75525f.zip?sv=2021-08-06&se=2023-05-25T14%3A54%3A27Z&sr=c&sp=rl&sig=ZXaEb8SX7ynlWxue54vdQTnKEt7XnBkBOQZlTLvmmB0%3D>)
### Histogram

#### Burgers.Test1

```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 167.29517126666667 < 248.32460247025642.
IsChangePoint: Marked as a change because one of 2/24/2023 8:06:06 PM, 4/6/2023 1:55:21 PM, 4/9/2023 11:04:55 PM, 4/25/2023 3:46:39 AM, 5/2/2023 10:35:24 AM falls between 4/23/2023 8:38:14 PM and 5/2/2023 10:35:24 AM.
IsImprovementStdDev: Marked as improvement because 9.360261765462296 (T) = (0 -167133256.8215507) / Math.Sqrt((1327816239979917.2 / (299)) + (1008332076760.7423 / (30))) is greater than 1.9672451058622664 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (30) - 2, .975) and 0.1059187423080976 = (186932960.94027317 - 167133256.8215507) / 186932960.94027317 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 18.04
Queue | TigerUbuntu
Baseline | [620b0db3a987bab2694a0043cacb3e2a86673df5](https://github.com/dotnet/runtime/commit/620b0db3a987bab2694a0043cacb3e2a86673df5)
Compare | [2e0033cf25cee5457ee326dc1eaff013b939d00d](https://github.com/dotnet/runtime/commit/2e0033cf25cee5457ee326dc1eaff013b939d00d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/620b0db3a987bab2694a0043cacb3e2a86673df5...2e0033cf25cee5457ee326dc1eaff013b939d00d)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Runtime.Intrinsics.Tests.Perf_Vector128Of&lt;Byte&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[GetHashCodeBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Runtime.Intrinsics.Tests.Perf_Vector128Of(Byte).GetHashCodeBenchmark.html>) | 54.01 ns | 46.51 ns | 0.86 | 0.18 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_02_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Runtime.Intrinsics.Tests.Perf_Vector128Of%28Byte%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_02_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Runtime.Intrinsics.Tests.Perf_Vector128Of%28Byte%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-0487f60d-9260-4596-850a-9be4d0916840351378eb4704256be/ac1da016-f29b-4fe5-b72d-e8fbb474402a.zip?sv=2021-08-06&se=2023-05-25T01%3A10%3A34Z&sr=c&sp=rl&sig=wPTqJiQxqAMiILhEfGmOs9xbglRIYBa9hNnb6DIkHnU%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-52f06371-aa68-47f8-a950-7c54eece754efb7004deab34b7497/23f9c587-f114-475c-90f6-f708ea75525f.zip?sv=2021-08-06&se=2023-05-25T14%3A54%3A27Z&sr=c&sp=rl&sig=ZXaEb8SX7ynlWxue54vdQTnKEt7XnBkBOQZlTLvmmB0%3D>)

```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;Byte&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-0487f60d-9260-4596-850a-9be4d0916840351378eb4704256be/ac1da016-f29b-4fe5-b72d-e8fbb474402a.zip?sv=2021-08-06&se=2023-05-25T01%3A10%3A34Z&sr=c&sp=rl&sig=wPTqJiQxqAMiILhEfGmOs9xbglRIYBa9hNnb6DIkHnU%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-52f06371-aa68-47f8-a950-7c54eece754efb7004deab34b7497/23f9c587-f114-475c-90f6-f708ea75525f.zip?sv=2021-08-06&se=2023-05-25T14%3A54%3A27Z&sr=c&sp=rl&sig=ZXaEb8SX7ynlWxue54vdQTnKEt7XnBkBOQZlTLvmmB0%3D>)
### Histogram

#### System.Runtime.Intrinsics.Tests.Perf_Vector128Of&lt;Byte&gt;.GetHashCodeBenchmark

```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 46.50702596871325 < 51.33236935784486.
IsChangePoint: Marked as a change because one of 2/14/2023 10:45:34 AM, 2/20/2023 10:31:48 AM, 3/3/2023 4:59:02 PM, 3/13/2023 2:14:21 PM, 4/25/2023 3:46:39 AM, 5/2/2023 10:35:24 AM falls between 4/23/2023 8:38:14 PM and 5/2/2023 10:35:24 AM.
IsImprovementStdDev: Marked as improvement because 15.417643076600415 (T) = (0 -48.203121027525846) / Math.Sqrt((3.7961601499585202 / (299)) + (3.260062452308277 / (30))) is greater than 1.9672451058622664 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (30) - 2, .975) and 0.10025559098571733 = (53.57423791089172 - 48.203121027525846) / 53.57423791089172 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 18.04
Queue | TigerUbuntu
Baseline | [620b0db3a987bab2694a0043cacb3e2a86673df5](https://github.com/dotnet/runtime/commit/620b0db3a987bab2694a0043cacb3e2a86673df5)
Compare | [2e0033cf25cee5457ee326dc1eaff013b939d00d](https://github.com/dotnet/runtime/commit/2e0033cf25cee5457ee326dc1eaff013b939d00d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/620b0db3a987bab2694a0043cacb3e2a86673df5...2e0033cf25cee5457ee326dc1eaff013b939d00d)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.ContainsKeyTrue&lt;Int32, Int32&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_x64_ubuntu 18.04/System.Collections.ContainsKeyTrue(Int32%2c%20Int32).ConcurrentDictionary(Size%3a%20512).html>) | 2.55 μs | 2.37 μs | 0.93 | 0.45 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_02_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Collections.ContainsKeyTrue%28Int32%2C%20Int32%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_02_2023/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Collections.ContainsKeyTrue%28Int32%2C%20Int32%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-0487f60d-9260-4596-850a-9be4d0916840351378eb4704256be/ac1da016-f29b-4fe5-b72d-e8fbb474402a.zip?sv=2021-08-06&se=2023-05-25T01%3A10%3A34Z&sr=c&sp=rl&sig=wPTqJiQxqAMiILhEfGmOs9xbglRIYBa9hNnb6DIkHnU%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-52f06371-aa68-47f8-a950-7c54eece754efb7004deab34b7497/23f9c587-f114-475c-90f6-f708ea75525f.zip?sv=2021-08-06&se=2023-05-25T14%3A54%3A27Z&sr=c&sp=rl&sig=ZXaEb8SX7ynlWxue54vdQTnKEt7XnBkBOQZlTLvmmB0%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.ContainsKeyTrue&lt;Int32, Int32&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-0487f60d-9260-4596-850a-9be4d0916840351378eb4704256be/ac1da016-f29b-4fe5-b72d-e8fbb474402a.zip?sv=2021-08-06&se=2023-05-25T01%3A10%3A34Z&sr=c&sp=rl&sig=wPTqJiQxqAMiILhEfGmOs9xbglRIYBa9hNnb6DIkHnU%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-52f06371-aa68-47f8-a950-7c54eece754efb7004deab34b7497/23f9c587-f114-475c-90f6-f708ea75525f.zip?sv=2021-08-06&se=2023-05-25T14%3A54%3A27Z&sr=c&sp=rl&sig=ZXaEb8SX7ynlWxue54vdQTnKEt7XnBkBOQZlTLvmmB0%3D>)
### Histogram

#### System.Collections.ContainsKeyTrue&lt;Int32, Int32&gt;.ConcurrentDictionary(Size: 512)

```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 2.366325423571105 < 2.426412903920816.
IsChangePoint: Marked as a change because one of 3/25/2023 12:18:49 AM, 4/25/2023 3:46:39 AM, 5/2/2023 10:35:24 AM falls between 4/23/2023 8:38:14 PM and 5/2/2023 10:35:24 AM.
IsImprovementStdDev: Marked as improvement because 7.759485312606382 (T) = (0 -2304.0774449133046) / Math.Sqrt((47333.09557368393 / (299)) + (10344.97143163087 / (30))) is greater than 1.9672451058622664 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (30) - 2, .975) and 0.07023478928363143 = (2478.1282611532124 - 2304.0774449133046) / 2478.1282611532124 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>

Name	Value
Architecture	x64
OS	ubuntu 18.04
Queue	TigerUbuntu
Baseline	620b0db3a987bab2694a0043cacb3e2a86673df5
Compare	2e0033cf25cee5457ee326dc1eaff013b939d00d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
IterateGetPositionArray - Duration of single invocation	19.35 ns	15.76 ns	0.81	0.02	False
IterateGetPositionSingleSegment - Duration of single invocation	25.16 ns	22.23 ns	0.88	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
IterateGetPositionSingleSegment - Duration of single invocation	25.01 ns	22.21 ns	0.89	0.02	False
IterateGetPositionArray - Duration of single invocation	19.75 ns	16.04 ns	0.81	0.02	False

[Perf] Linux/x64: 7 Improvements on 4/25/2023 8:51:41 AM #17274

Description

Run Information

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

Repro

Payloads

Payloads

Histogram

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

Description of detection logic

JIT Disasms

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

Description of detection logic

JIT Disasms

Docs

Run Information

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

Repro

Payloads

Payloads

Histogram

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

Description of detection logic

JIT Disasms

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

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in Burgers

Repro

Payloads

Payloads

Histogram

Burgers.Test1

Description of detection logic

JIT Disasms

Docs

Run Information

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

Repro

Payloads

Payloads

Histogram

System.Runtime.Intrinsics.Tests.Perf_Vector128Of<Byte>.GetHashCodeBenchmark

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Collections.ContainsKeyTrue<Int32, Int32>

Repro

Payloads

Payloads

Histogram

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

Description of detection logic

JIT Disasms

Docs

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions