[Perf] Linux/arm64: 29 Improvements on 4/26/2023 12:55:36 AM

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 20.04
Queue | AmpereUbuntu
Baseline | [195bf987887ea645a747ff0586440f7920c47b01](https://github.com/dotnet/runtime/commit/195bf987887ea645a747ff0586440f7920c47b01)
Compare | [63a7a13190448f1ba5b3b449f1b9628d042d209d](https://github.com/dotnet/runtime/commit/63a7a13190448f1ba5b3b449f1b9628d042d209d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/195bf987887ea645a747ff0586440f7920c47b01...63a7a13190448f1ba5b3b449f1b9628d042d209d)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.Sort&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[List - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Collections.Sort(Int32).List(Size%3a%20512).html>) | 6.45 μs | 5.80 μs | 0.90 | 0.17 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Collections.Sort%28Int32%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Collections.Sort%28Int32%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-e4007626-7775-4d7d-8b13-251b9eb0b2251ab91b795984304a1/6264e092-0e29-4f17-875f-1e89de022dee.zip?sv=2021-08-06&se=2023-05-25T14%3A01%3A36Z&sr=c&sp=rl&sig=psin9wh0k%2BTk4rAR9Ckdw5l0LnhtONAQraX2%2BxB5c7Y%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-df694294-3c1c-428a-822d-c5c83f515ce33185e10e55c466090/5d866b66-3c16-46b2-87e0-c082cbaed63b.zip?sv=2021-08-06&se=2023-05-26T06%3A45%3A04Z&sr=c&sp=rl&sig=los9eG5cXW0W%2FcA7LpEPKYIPHI428RJRT98CRJt%2F1h8%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Sort&lt;Int32&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-e4007626-7775-4d7d-8b13-251b9eb0b2251ab91b795984304a1/6264e092-0e29-4f17-875f-1e89de022dee.zip?sv=2021-08-06&se=2023-05-25T14%3A01%3A36Z&sr=c&sp=rl&sig=psin9wh0k%2BTk4rAR9Ckdw5l0LnhtONAQraX2%2BxB5c7Y%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-df694294-3c1c-428a-822d-c5c83f515ce33185e10e55c466090/5d866b66-3c16-46b2-87e0-c082cbaed63b.zip?sv=2021-08-06&se=2023-05-26T06%3A45%3A04Z&sr=c&sp=rl&sig=los9eG5cXW0W%2FcA7LpEPKYIPHI428RJRT98CRJt%2F1h8%3D>)
### Histogram

#### System.Collections.Sort&lt;Int32&gt;.List(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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 4/27/2023 1:05:59 AM falls between 4/18/2023 7:36:21 AM and 4/27/2023 1:05:59 AM.
IsImprovementStdDev: Marked as improvement because 6.60857280715939 (T) = (0 -5917.036122539682) / Math.Sqrt((31026.933693964485 / (299)) + (15982.93035389738 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.07605147266278466 = (6404.0754949762795 - 5917.036122539682) / 6404.0754949762795 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 | arm64
OS | ubuntu 20.04
Queue | AmpereUbuntu
Baseline | [195bf987887ea645a747ff0586440f7920c47b01](https://github.com/dotnet/runtime/commit/195bf987887ea645a747ff0586440f7920c47b01)
Compare | [63a7a13190448f1ba5b3b449f1b9628d042d209d](https://github.com/dotnet/runtime/commit/63a7a13190448f1ba5b3b449f1b9628d042d209d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/195bf987887ea645a747ff0586440f7920c47b01...63a7a13190448f1ba5b3b449f1b9628d042d209d)
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 | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[IndexOf_Word_NotFound - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options%3a%20(%2c%20None%2c%20False)).html>) | 630.60 ns | 560.37 ns | 0.89 | 0.00 | False | | |
[IndexOf_Word_NotFound - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options%3a%20(en-US%2c%20None%2c%20False)).html>) | 630.53 ns | 560.20 ns | 0.89 | 0.00 | False | | |
[IndexOf_Word_NotFound - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options%3a%20(en-US%2c%20IgnoreCase%2c%20False)).html>) | 972.86 ns | 813.76 ns | 0.84 | 0.00 | False | | |
[IndexOf_Word_NotFound - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options%3a%20(en-US%2c%20IgnoreNonSpace%2c%20False)).html>) | 630.21 ns | 565.25 ns | 0.90 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Globalization.Tests.StringSearch_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Globalization.Tests.StringSearch_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Globalization.Tests.StringSearch_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Globalization.Tests.StringSearch_4.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Globalization.Tests.StringSearch.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-e4007626-7775-4d7d-8b13-251b9eb0b2251ab91b795984304a1/6264e092-0e29-4f17-875f-1e89de022dee.zip?sv=2021-08-06&se=2023-05-25T14%3A01%3A36Z&sr=c&sp=rl&sig=psin9wh0k%2BTk4rAR9Ckdw5l0LnhtONAQraX2%2BxB5c7Y%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-df694294-3c1c-428a-822d-c5c83f515ce33185e10e55c466090/5d866b66-3c16-46b2-87e0-c082cbaed63b.zip?sv=2021-08-06&se=2023-05-26T06%3A45%3A04Z&sr=c&sp=rl&sig=los9eG5cXW0W%2FcA7LpEPKYIPHI428RJRT98CRJt%2F1h8%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Globalization.Tests.StringSearch*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-e4007626-7775-4d7d-8b13-251b9eb0b2251ab91b795984304a1/6264e092-0e29-4f17-875f-1e89de022dee.zip?sv=2021-08-06&se=2023-05-25T14%3A01%3A36Z&sr=c&sp=rl&sig=psin9wh0k%2BTk4rAR9Ckdw5l0LnhtONAQraX2%2BxB5c7Y%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-df694294-3c1c-428a-822d-c5c83f515ce33185e10e55c466090/5d866b66-3c16-46b2-87e0-c082cbaed63b.zip?sv=2021-08-06&se=2023-05-26T06%3A45%3A04Z&sr=c&sp=rl&sig=los9eG5cXW0W%2FcA7LpEPKYIPHI428RJRT98CRJt%2F1h8%3D>)
### Histogram

#### System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (, None, False))

```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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 4/27/2023 1:05:59 AM falls between 4/18/2023 7:36:21 AM and 4/27/2023 1:05:59 AM.
IsImprovementStdDev: Marked as improvement because 253.57583013706957 (T) = (0 -560.8285427113) / Math.Sqrt((3.067647567245063 / (299)) + (0.19521845260956933 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.11039879301561933 = (630.4269129899537 - 560.8285427113) / 630.4269129899537 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms

#### System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (en-US, None, False))

```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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 4/27/2023 1:05:59 AM falls between 4/18/2023 7:36:21 AM and 4/27/2023 1:05:59 AM.
IsImprovementStdDev: Marked as improvement because 335.43410173328925 (T) = (0 -560.3666850425417) / Math.Sqrt((2.549714317952406 / (299)) + (0.10779984928880615 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.11207290608992006 = (631.0953780843744 - 560.3666850425417) / 631.0953780843744 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms

#### System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (en-US, IgnoreCase, False))

```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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 1/21/2023 1:51:00 AM, 4/25/2023 6:46:56 PM, 4/27/2023 1:05:59 AM falls between 4/18/2023 7:36:21 AM and 4/27/2023 1:05:59 AM.
IsImprovementStdDev: Marked as improvement because 195.46215480786444 (T) = (0 -812.9808314600823) / Math.Sqrt((75.14136434811185 / (299)) + (1.5017150872871674 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.17251174105812017 = (982.4681168282093 - 812.9808314600823) / 982.4681168282093 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms

#### System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (en-US, IgnoreNonSpace, False))

```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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 4/27/2023 1:05:59 AM falls between 4/18/2023 7:36:21 AM and 4/27/2023 1:05:59 AM.
IsImprovementStdDev: Marked as improvement because 44.66639370096367 (T) = (0 -562.2130464328677) / Math.Sqrt((3.2880491914222154 / (299)) + (6.953843860861608 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.10813331268853882 = (630.3778966424491 - 562.2130464328677) / 630.3778966424491 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 | arm64
OS | ubuntu 20.04
Queue | AmpereUbuntu
Baseline | [195bf987887ea645a747ff0586440f7920c47b01](https://github.com/dotnet/runtime/commit/195bf987887ea645a747ff0586440f7920c47b01)
Compare | [63a7a13190448f1ba5b3b449f1b9628d042d209d](https://github.com/dotnet/runtime/commit/63a7a13190448f1ba5b3b449f1b9628d042d209d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/195bf987887ea645a747ff0586440f7920c47b01...63a7a13190448f1ba5b3b449f1b9628d042d209d)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.TryAddDefaultSize&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Dictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Collections.TryAddDefaultSize(Int32).Dictionary(Count%3a%20512).html>) | 13.56 μs | 11.38 μs | 0.84 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Collections.TryAddDefaultSize%28Int32%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Collections.TryAddDefaultSize%28Int32%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-e4007626-7775-4d7d-8b13-251b9eb0b2251ab91b795984304a1/6264e092-0e29-4f17-875f-1e89de022dee.zip?sv=2021-08-06&se=2023-05-25T14%3A01%3A36Z&sr=c&sp=rl&sig=psin9wh0k%2BTk4rAR9Ckdw5l0LnhtONAQraX2%2BxB5c7Y%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-df694294-3c1c-428a-822d-c5c83f515ce33185e10e55c466090/5d866b66-3c16-46b2-87e0-c082cbaed63b.zip?sv=2021-08-06&se=2023-05-26T06%3A45%3A04Z&sr=c&sp=rl&sig=los9eG5cXW0W%2FcA7LpEPKYIPHI428RJRT98CRJt%2F1h8%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.TryAddDefaultSize&lt;Int32&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-e4007626-7775-4d7d-8b13-251b9eb0b2251ab91b795984304a1/6264e092-0e29-4f17-875f-1e89de022dee.zip?sv=2021-08-06&se=2023-05-25T14%3A01%3A36Z&sr=c&sp=rl&sig=psin9wh0k%2BTk4rAR9Ckdw5l0LnhtONAQraX2%2BxB5c7Y%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-df694294-3c1c-428a-822d-c5c83f515ce33185e10e55c466090/5d866b66-3c16-46b2-87e0-c082cbaed63b.zip?sv=2021-08-06&se=2023-05-26T06%3A45%3A04Z&sr=c&sp=rl&sig=los9eG5cXW0W%2FcA7LpEPKYIPHI428RJRT98CRJt%2F1h8%3D>)
### Histogram

#### System.Collections.TryAddDefaultSize&lt;Int32&gt;.Dictionary(Count: 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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 4/27/2023 1:05:59 AM falls between 4/18/2023 7:36:21 AM and 4/27/2023 1:05:59 AM.
IsImprovementStdDev: Marked as improvement because 125.60612064878433 (T) = (0 -11397.621717303518) / Math.Sqrt((44835.78730678877 / (299)) + (304.13367980100054 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.14872644055377252 = (13388.90605825691 - 11397.621717303518) / 13388.90605825691 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 | arm64
OS | ubuntu 20.04
Queue | AmpereUbuntu
Baseline | [195bf987887ea645a747ff0586440f7920c47b01](https://github.com/dotnet/runtime/commit/195bf987887ea645a747ff0586440f7920c47b01)
Compare | [63a7a13190448f1ba5b3b449f1b9628d042d209d](https://github.com/dotnet/runtime/commit/63a7a13190448f1ba5b3b449f1b9628d042d209d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/195bf987887ea645a747ff0586440f7920c47b01...63a7a13190448f1ba5b3b449f1b9628d042d209d)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Tests.Perf_Single

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ToStringWithFormat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Tests.Perf_Single.ToStringWithFormat(value%3a%2012345%2c%20format%3a%20%22G17%22).html>) | 216.76 ns | 194.40 ns | 0.90 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Tests.Perf_Single_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Tests.Perf_Single.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-e4007626-7775-4d7d-8b13-251b9eb0b2251ab91b795984304a1/6264e092-0e29-4f17-875f-1e89de022dee.zip?sv=2021-08-06&se=2023-05-25T14%3A01%3A36Z&sr=c&sp=rl&sig=psin9wh0k%2BTk4rAR9Ckdw5l0LnhtONAQraX2%2BxB5c7Y%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-df694294-3c1c-428a-822d-c5c83f515ce33185e10e55c466090/5d866b66-3c16-46b2-87e0-c082cbaed63b.zip?sv=2021-08-06&se=2023-05-26T06%3A45%3A04Z&sr=c&sp=rl&sig=los9eG5cXW0W%2FcA7LpEPKYIPHI428RJRT98CRJt%2F1h8%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_Single*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-e4007626-7775-4d7d-8b13-251b9eb0b2251ab91b795984304a1/6264e092-0e29-4f17-875f-1e89de022dee.zip?sv=2021-08-06&se=2023-05-25T14%3A01%3A36Z&sr=c&sp=rl&sig=psin9wh0k%2BTk4rAR9Ckdw5l0LnhtONAQraX2%2BxB5c7Y%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-df694294-3c1c-428a-822d-c5c83f515ce33185e10e55c466090/5d866b66-3c16-46b2-87e0-c082cbaed63b.zip?sv=2021-08-06&se=2023-05-26T06%3A45%3A04Z&sr=c&sp=rl&sig=los9eG5cXW0W%2FcA7LpEPKYIPHI428RJRT98CRJt%2F1h8%3D>)
### Histogram

#### System.Tests.Perf_Single.ToStringWithFormat(value: 12345, format: "G17")

```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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 4/12/2023 8:39:35 PM, 4/25/2023 6:46:56 PM, 4/27/2023 1:05:59 AM falls between 4/18/2023 7:36:21 AM and 4/27/2023 1:05:59 AM.
IsImprovementStdDev: Marked as improvement because 26.260700155123168 (T) = (0 -195.24170803231854) / Math.Sqrt((6.913693463625097 / (299)) + (1.154983133257625 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.07912719077439576 = (212.01810508066197 - 195.24170803231854) / 212.01810508066197 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 | arm64
OS | ubuntu 20.04
Queue | AmpereUbuntu
Baseline | [195bf987887ea645a747ff0586440f7920c47b01](https://github.com/dotnet/runtime/commit/195bf987887ea645a747ff0586440f7920c47b01)
Compare | [63a7a13190448f1ba5b3b449f1b9628d042d209d](https://github.com/dotnet/runtime/commit/63a7a13190448f1ba5b3b449f1b9628d042d209d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/195bf987887ea645a747ff0586440f7920c47b01...63a7a13190448f1ba5b3b449f1b9628d042d209d)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Memory.Span&lt;Char&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[SequenceEqual - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Memory.Span(Char).SequenceEqual(Size%3a%20512).html>) | 62.03 ns | 53.87 ns | 0.87 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Memory.Span%28Char%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Memory.Span%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-e4007626-7775-4d7d-8b13-251b9eb0b2251ab91b795984304a1/6264e092-0e29-4f17-875f-1e89de022dee.zip?sv=2021-08-06&se=2023-05-25T14%3A01%3A36Z&sr=c&sp=rl&sig=psin9wh0k%2BTk4rAR9Ckdw5l0LnhtONAQraX2%2BxB5c7Y%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-df694294-3c1c-428a-822d-c5c83f515ce33185e10e55c466090/5d866b66-3c16-46b2-87e0-c082cbaed63b.zip?sv=2021-08-06&se=2023-05-26T06%3A45%3A04Z&sr=c&sp=rl&sig=los9eG5cXW0W%2FcA7LpEPKYIPHI428RJRT98CRJt%2F1h8%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.Span&lt;Char&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-e4007626-7775-4d7d-8b13-251b9eb0b2251ab91b795984304a1/6264e092-0e29-4f17-875f-1e89de022dee.zip?sv=2021-08-06&se=2023-05-25T14%3A01%3A36Z&sr=c&sp=rl&sig=psin9wh0k%2BTk4rAR9Ckdw5l0LnhtONAQraX2%2BxB5c7Y%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-df694294-3c1c-428a-822d-c5c83f515ce33185e10e55c466090/5d866b66-3c16-46b2-87e0-c082cbaed63b.zip?sv=2021-08-06&se=2023-05-26T06%3A45%3A04Z&sr=c&sp=rl&sig=los9eG5cXW0W%2FcA7LpEPKYIPHI428RJRT98CRJt%2F1h8%3D>)
### Histogram

#### System.Memory.Span&lt;Char&gt;.SequenceEqual(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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 4/27/2023 1:05:59 AM falls between 4/18/2023 7:36:21 AM and 4/27/2023 1:05:59 AM.
IsImprovementStdDev: Marked as improvement because 31.92117568296261 (T) = (0 -54.334160097541435) / Math.Sqrt((0.4122321390792662 / (299)) + (0.1691065148301776 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.12371392331171674 = (62.00504782968205 - 54.334160097541435) / 62.00504782968205 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 | arm64
OS | ubuntu 20.04
Queue | AmpereUbuntu
Baseline | [195bf987887ea645a747ff0586440f7920c47b01](https://github.com/dotnet/runtime/commit/195bf987887ea645a747ff0586440f7920c47b01)
Compare | [63a7a13190448f1ba5b3b449f1b9628d042d209d](https://github.com/dotnet/runtime/commit/63a7a13190448f1ba5b3b449f1b9628d042d209d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/195bf987887ea645a747ff0586440f7920c47b01...63a7a13190448f1ba5b3b449f1b9628d042d209d)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Linq.Tests.Perf_Enumerable

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[SelectToList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Linq.Tests.Perf_Enumerable.SelectToList(input%3a%20IList).html>) | 656.79 ns | 562.60 ns | 0.86 | 0.46 | False | | |
[SelectToList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Linq.Tests.Perf_Enumerable.SelectToList(input%3a%20Array).html>) | 391.46 ns | 311.60 ns | 0.80 | 0.41 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Linq.Tests.Perf_Enumerable_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Linq.Tests.Perf_Enumerable_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Linq.Tests.Perf_Enumerable.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-e4007626-7775-4d7d-8b13-251b9eb0b2251ab91b795984304a1/6264e092-0e29-4f17-875f-1e89de022dee.zip?sv=2021-08-06&se=2023-05-25T14%3A01%3A36Z&sr=c&sp=rl&sig=psin9wh0k%2BTk4rAR9Ckdw5l0LnhtONAQraX2%2BxB5c7Y%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-df694294-3c1c-428a-822d-c5c83f515ce33185e10e55c466090/5d866b66-3c16-46b2-87e0-c082cbaed63b.zip?sv=2021-08-06&se=2023-05-26T06%3A45%3A04Z&sr=c&sp=rl&sig=los9eG5cXW0W%2FcA7LpEPKYIPHI428RJRT98CRJt%2F1h8%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Linq.Tests.Perf_Enumerable*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-e4007626-7775-4d7d-8b13-251b9eb0b2251ab91b795984304a1/6264e092-0e29-4f17-875f-1e89de022dee.zip?sv=2021-08-06&se=2023-05-25T14%3A01%3A36Z&sr=c&sp=rl&sig=psin9wh0k%2BTk4rAR9Ckdw5l0LnhtONAQraX2%2BxB5c7Y%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-df694294-3c1c-428a-822d-c5c83f515ce33185e10e55c466090/5d866b66-3c16-46b2-87e0-c082cbaed63b.zip?sv=2021-08-06&se=2023-05-26T06%3A45%3A04Z&sr=c&sp=rl&sig=los9eG5cXW0W%2FcA7LpEPKYIPHI428RJRT98CRJt%2F1h8%3D>)
### Histogram

#### System.Linq.Tests.Perf_Enumerable.SelectToList(input: IList)

```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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 4/27/2023 1:05:59 AM falls between 4/18/2023 7:36:21 AM and 4/27/2023 1:05:59 AM.
IsImprovementStdDev: Marked as improvement because 3.4432541226982694 (T) = (0 -508.1394543071963) / Math.Sqrt((1425.3683662752633 / (299)) + (2254.7849653006706 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.15708503252480843 = (602.8359608196798 - 508.1394543071963) / 602.8359608196798 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms

#### System.Linq.Tests.Perf_Enumerable.SelectToList(input: Array)

```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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 4/26/2023 12:55:36 AM, 4/27/2023 1:05:59 AM falls between 4/18/2023 7:36:21 AM and 4/27/2023 1:05:59 AM.
IsImprovementStdDev: Marked as improvement because 30.035343482453023 (T) = (0 -309.09692971800587) / Math.Sqrt((773.7001823610248 / (299)) + (12.516483492195778 / (2))) is greater than 1.9679296690655894 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (2) - 2, .975) and 0.2242089313878641 = (398.4280590790635 - 309.09692971800587) / 398.4280590790635 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 | arm64
OS | ubuntu 20.04
Queue | AmpereUbuntu
Baseline | [195bf987887ea645a747ff0586440f7920c47b01](https://github.com/dotnet/runtime/commit/195bf987887ea645a747ff0586440f7920c47b01)
Compare | [63a7a13190448f1ba5b3b449f1b9628d042d209d](https://github.com/dotnet/runtime/commit/63a7a13190448f1ba5b3b449f1b9628d042d209d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/195bf987887ea645a747ff0586440f7920c47b01...63a7a13190448f1ba5b3b449f1b9628d042d209d)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.Tests.Perf_Encoding

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[GetString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Text.Tests.Perf_Encoding.GetString(size%3a%2016%2c%20encName%3a%20%22ascii%22).html>) | 27.13 ns | 24.66 ns | 0.91 | 0.27 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Text.Tests.Perf_Encoding_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Text.Tests.Perf_Encoding.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-e4007626-7775-4d7d-8b13-251b9eb0b2251ab91b795984304a1/6264e092-0e29-4f17-875f-1e89de022dee.zip?sv=2021-08-06&se=2023-05-25T14%3A01%3A36Z&sr=c&sp=rl&sig=psin9wh0k%2BTk4rAR9Ckdw5l0LnhtONAQraX2%2BxB5c7Y%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-df694294-3c1c-428a-822d-c5c83f515ce33185e10e55c466090/5d866b66-3c16-46b2-87e0-c082cbaed63b.zip?sv=2021-08-06&se=2023-05-26T06%3A45%3A04Z&sr=c&sp=rl&sig=los9eG5cXW0W%2FcA7LpEPKYIPHI428RJRT98CRJt%2F1h8%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Tests.Perf_Encoding*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-e4007626-7775-4d7d-8b13-251b9eb0b2251ab91b795984304a1/6264e092-0e29-4f17-875f-1e89de022dee.zip?sv=2021-08-06&se=2023-05-25T14%3A01%3A36Z&sr=c&sp=rl&sig=psin9wh0k%2BTk4rAR9Ckdw5l0LnhtONAQraX2%2BxB5c7Y%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-df694294-3c1c-428a-822d-c5c83f515ce33185e10e55c466090/5d866b66-3c16-46b2-87e0-c082cbaed63b.zip?sv=2021-08-06&se=2023-05-26T06%3A45%3A04Z&sr=c&sp=rl&sig=los9eG5cXW0W%2FcA7LpEPKYIPHI428RJRT98CRJt%2F1h8%3D>)
### Histogram

#### System.Text.Tests.Perf_Encoding.GetString(size: 16, encName: "ascii")

```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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 1/17/2023 11:08:46 AM, 4/25/2023 6:46:56 PM, 4/27/2023 1:05:59 AM falls between 4/18/2023 7:36:21 AM and 4/27/2023 1:05:59 AM.
IsImprovementStdDev: Marked as improvement because 7.964103968693639 (T) = (0 -24.463333504494102) / Math.Sqrt((0.8513902822252984 / (299)) + (0.6572996502546483 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.1329770921599296 = (28.215325435215107 - 24.463333504494102) / 28.215325435215107 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 | arm64
OS | ubuntu 20.04
Queue | AmpereUbuntu
Baseline | [195bf987887ea645a747ff0586440f7920c47b01](https://github.com/dotnet/runtime/commit/195bf987887ea645a747ff0586440f7920c47b01)
Compare | [63a7a13190448f1ba5b3b449f1b9628d042d209d](https://github.com/dotnet/runtime/commit/63a7a13190448f1ba5b3b449f1b9628d042d209d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/195bf987887ea645a747ff0586440f7920c47b01...63a7a13190448f1ba5b3b449f1b9628d042d209d)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.TryAddDefaultSize&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Dictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Collections.TryAddDefaultSize(String).Dictionary(Count%3a%20512).html>) | 27.66 μs | 24.96 μs | 0.90 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Collections.TryAddDefaultSize%28String%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Collections.TryAddDefaultSize%28String%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-e4007626-7775-4d7d-8b13-251b9eb0b2251ab91b795984304a1/6264e092-0e29-4f17-875f-1e89de022dee.zip?sv=2021-08-06&se=2023-05-25T14%3A01%3A36Z&sr=c&sp=rl&sig=psin9wh0k%2BTk4rAR9Ckdw5l0LnhtONAQraX2%2BxB5c7Y%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-df694294-3c1c-428a-822d-c5c83f515ce33185e10e55c466090/5d866b66-3c16-46b2-87e0-c082cbaed63b.zip?sv=2021-08-06&se=2023-05-26T06%3A45%3A04Z&sr=c&sp=rl&sig=los9eG5cXW0W%2FcA7LpEPKYIPHI428RJRT98CRJt%2F1h8%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.TryAddDefaultSize&lt;String&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-e4007626-7775-4d7d-8b13-251b9eb0b2251ab91b795984304a1/6264e092-0e29-4f17-875f-1e89de022dee.zip?sv=2021-08-06&se=2023-05-25T14%3A01%3A36Z&sr=c&sp=rl&sig=psin9wh0k%2BTk4rAR9Ckdw5l0LnhtONAQraX2%2BxB5c7Y%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-df694294-3c1c-428a-822d-c5c83f515ce33185e10e55c466090/5d866b66-3c16-46b2-87e0-c082cbaed63b.zip?sv=2021-08-06&se=2023-05-26T06%3A45%3A04Z&sr=c&sp=rl&sig=los9eG5cXW0W%2FcA7LpEPKYIPHI428RJRT98CRJt%2F1h8%3D>)
### Histogram

#### System.Collections.TryAddDefaultSize&lt;String&gt;.Dictionary(Count: 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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 3/16/2023 8:14:39 PM, 4/25/2023 6:46:56 PM, 4/27/2023 1:05:59 AM falls between 4/18/2023 7:36:21 AM and 4/27/2023 1:05:59 AM.
IsImprovementStdDev: Marked as improvement because 63.52772782890929 (T) = (0 -24950.04424143476) / Math.Sqrt((266075.37093546434 / (299)) + (203.37658100858704 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.07304025243642087 = (26915.995335302803 - 24950.04424143476) / 26915.995335302803 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 | arm64
OS | ubuntu 20.04
Queue | AmpereUbuntu
Baseline | [195bf987887ea645a747ff0586440f7920c47b01](https://github.com/dotnet/runtime/commit/195bf987887ea645a747ff0586440f7920c47b01)
Compare | [63a7a13190448f1ba5b3b449f1b9628d042d209d](https://github.com/dotnet/runtime/commit/63a7a13190448f1ba5b3b449f1b9628d042d209d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/195bf987887ea645a747ff0586440f7920c47b01...63a7a13190448f1ba5b3b449f1b9628d042d209d)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Security.Cryptography.X509Certificates.Tests.X509Certificate2Tests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[CertProp - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Security.Cryptography.X509Certificates.Tests.X509Certificate2Tests.CertProp.html>) | 62.54 ns | 42.39 ns | 0.68 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Security.Cryptography.X509Certificates.Tests.X509Certificate2Tests_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Security.Cryptography.X509Certificates.Tests.X509Certificate2Tests.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-e4007626-7775-4d7d-8b13-251b9eb0b2251ab91b795984304a1/6264e092-0e29-4f17-875f-1e89de022dee.zip?sv=2021-08-06&se=2023-05-25T14%3A01%3A36Z&sr=c&sp=rl&sig=psin9wh0k%2BTk4rAR9Ckdw5l0LnhtONAQraX2%2BxB5c7Y%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-df694294-3c1c-428a-822d-c5c83f515ce33185e10e55c466090/5d866b66-3c16-46b2-87e0-c082cbaed63b.zip?sv=2021-08-06&se=2023-05-26T06%3A45%3A04Z&sr=c&sp=rl&sig=los9eG5cXW0W%2FcA7LpEPKYIPHI428RJRT98CRJt%2F1h8%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Security.Cryptography.X509Certificates.Tests.X509Certificate2Tests*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-e4007626-7775-4d7d-8b13-251b9eb0b2251ab91b795984304a1/6264e092-0e29-4f17-875f-1e89de022dee.zip?sv=2021-08-06&se=2023-05-25T14%3A01%3A36Z&sr=c&sp=rl&sig=psin9wh0k%2BTk4rAR9Ckdw5l0LnhtONAQraX2%2BxB5c7Y%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-df694294-3c1c-428a-822d-c5c83f515ce33185e10e55c466090/5d866b66-3c16-46b2-87e0-c082cbaed63b.zip?sv=2021-08-06&se=2023-05-26T06%3A45%3A04Z&sr=c&sp=rl&sig=los9eG5cXW0W%2FcA7LpEPKYIPHI428RJRT98CRJt%2F1h8%3D>)
### Histogram

#### System.Security.Cryptography.X509Certificates.Tests.X509Certificate2Tests.CertProp

```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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 2/18/2023 9:46:56 PM, 4/25/2023 6:46:56 PM, 4/27/2023 1:05:59 AM falls between 4/18/2023 7:36:21 AM and 4/27/2023 1:05:59 AM.
IsImprovementStdDev: Marked as improvement because 50.57319388571694 (T) = (0 -41.9206349759531) / Math.Sqrt((18.307644473564398 / (299)) + (0.1676030597830944 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.29219821667969825 = (59.22651788090048 - 41.9206349759531) / 59.22651788090048 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 | arm64
OS | ubuntu 20.04
Queue | AmpereUbuntu
Baseline | [195bf987887ea645a747ff0586440f7920c47b01](https://github.com/dotnet/runtime/commit/195bf987887ea645a747ff0586440f7920c47b01)
Compare | [63a7a13190448f1ba5b3b449f1b9628d042d209d](https://github.com/dotnet/runtime/commit/63a7a13190448f1ba5b3b449f1b9628d042d209d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/195bf987887ea645a747ff0586440f7920c47b01...63a7a13190448f1ba5b3b449f1b9628d042d209d)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Common

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[CtorInvoke - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Text.RegularExpressions.Tests.Perf_Regex_Common.CtorInvoke(Options%3a%20Compiled).html>) | 362.87 μs | 280.60 μs | 0.77 | 0.33 | False | | |
[CtorInvoke - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Text.RegularExpressions.Tests.Perf_Regex_Common.CtorInvoke(Options%3a%20IgnoreCase%2c%20Compiled).html>) | 361.08 μs | 307.90 μs | 0.85 | 0.24 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Common_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Common_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_27_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Common.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-e4007626-7775-4d7d-8b13-251b9eb0b2251ab91b795984304a1/6264e092-0e29-4f17-875f-1e89de022dee.zip?sv=2021-08-06&se=2023-05-25T14%3A01%3A36Z&sr=c&sp=rl&sig=psin9wh0k%2BTk4rAR9Ckdw5l0LnhtONAQraX2%2BxB5c7Y%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-df694294-3c1c-428a-822d-c5c83f515ce33185e10e55c466090/5d866b66-3c16-46b2-87e0-c082cbaed63b.zip?sv=2021-08-06&se=2023-05-26T06%3A45%3A04Z&sr=c&sp=rl&sig=los9eG5cXW0W%2FcA7LpEPKYIPHI428RJRT98CRJt%2F1h8%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Common*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-e4007626-7775-4d7d-8b13-251b9eb0b2251ab91b795984304a1/6264e092-0e29-4f17-875f-1e89de022dee.zip?sv=2021-08-06&se=2023-05-25T14%3A01%3A36Z&sr=c&sp=rl&sig=psin9wh0k%2BTk4rAR9Ckdw5l0LnhtONAQraX2%2BxB5c7Y%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-df694294-3c1c-428a-822d-c5c83f515ce33185e10e55c466090/5d866b66-3c16-46b2-87e0-c082cbaed63b.zip?sv=2021-08-06&se=2023-05-26T06%3A45%3A04Z&sr=c&sp=rl&sig=los9eG5cXW0W%2FcA7LpEPKYIPHI428RJRT98CRJt%2F1h8%3D>)
### Histogram

#### System.Text.RegularExpressions.Tests.Perf_Regex_Common.CtorInvoke(Options: Compiled)

```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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 1/21/2023 1:51:00 AM, 4/12/2023 2:59:13 PM, 4/25/2023 6:46:56 PM, 4/27/2023 1:05:59 AM falls between 4/18/2023 7:36:21 AM and 4/27/2023 1:05:59 AM.
IsImprovementStdDev: Marked as improvement because 4.4710811569082205 (T) = (0 -263941.3752885983) / Math.Sqrt((529327065.434973 / (299)) + (208938282.09139478 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.1252273796406848 = (301725.6932209237 - 263941.3752885983) / 301725.6932209237 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms

#### System.Text.RegularExpressions.Tests.Perf_Regex_Common.CtorInvoke(Options: IgnoreCase, Compiled)

```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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 1/21/2023 1:51:00 AM, 4/12/2023 2:59:13 PM, 4/25/2023 6:46:56 PM, 4/27/2023 1:05:59 AM falls between 4/18/2023 7:36:21 AM and 4/27/2023 1:05:59 AM.
IsImprovementStdDev: Marked as improvement because 7.664054320382402 (T) = (0 -302577.6700604377) / Math.Sqrt((480900598.0601342 / (299)) + (25139162.813897338 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.0741171696904298 = (326799.0939623218 - 302577.6700604377) / 326799.0939623218 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	arm64
OS	ubuntu 20.04
Queue	AmpereUbuntu
Baseline	195bf987887ea645a747ff0586440f7920c47b01
Compare	63a7a13190448f1ba5b3b449f1b9628d042d209d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Edge Detector
IndexOf_Word_NotFound - Duration of single invocation	630.60 ns	560.37 ns	0.89	False
IndexOf_Word_NotFound - Duration of single invocation	630.53 ns	560.20 ns	0.89	False
IndexOf_Word_NotFound - Duration of single invocation	972.86 ns	813.76 ns	0.84	False
IndexOf_Word_NotFound - Duration of single invocation	630.21 ns	565.25 ns	0.90	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
SelectToList - Duration of single invocation	656.79 ns	562.60 ns	0.86	0.46	False
SelectToList - Duration of single invocation	391.46 ns	311.60 ns	0.80	0.41	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
CtorInvoke - Duration of single invocation	362.87 μs	280.60 μs	0.77	0.33	False
CtorInvoke - Duration of single invocation	361.08 μs	307.90 μs	0.85	0.24	False

[Perf] Linux/arm64: 29 Improvements on 4/26/2023 12:55:36 AM #17095

Description

Run Information

Improvements in System.Collections.Sort<Int32>

Repro

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System.Collections.Sort<Int32>.List(Size: 512)

Description of detection logic

JIT Disasms

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Run Information

Improvements in System.Globalization.Tests.StringSearch

Repro

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System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (, None, False))

Description of detection logic

JIT Disasms

System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (en-US, None, False))

Description of detection logic

JIT Disasms

System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (en-US, IgnoreCase, False))

Description of detection logic

JIT Disasms

System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (en-US, IgnoreNonSpace, False))

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Collections.TryAddDefaultSize<Int32>

Repro

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System.Collections.TryAddDefaultSize<Int32>.Dictionary(Count: 512)

Description of detection logic

JIT Disasms

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Improvements in System.Tests.Perf_Single

Repro

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System.Tests.Perf_Single.ToStringWithFormat(value: 12345, format: "G17")

Description of detection logic

JIT Disasms

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Improvements in System.Memory.Span<Char>

Repro

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System.Memory.Span<Char>.SequenceEqual(Size: 512)

Description of detection logic

JIT Disasms

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Improvements in System.Linq.Tests.Perf_Enumerable

Repro

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System.Linq.Tests.Perf_Enumerable.SelectToList(input: IList)

Description of detection logic

JIT Disasms

System.Linq.Tests.Perf_Enumerable.SelectToList(input: Array)

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Text.Tests.Perf_Encoding

Repro

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Histogram