[Perf] Windows/x64: 15 Improvements on 5/16/2023 7:34:13 AM

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.19042
Queue | OwlWindows
Baseline | [63e677701d35c7e2dad4fe74a84eb935cd396155](https://github.com/dotnet/runtime/commit/63e677701d35c7e2dad4fe74a84eb935cd396155)
Compare | [6e91162e6ce882f476d4548aedf6a1efaa75e547](https://github.com/dotnet/runtime/commit/6e91162e6ce882f476d4548aedf6a1efaa75e547)
Diff | [Diff](https://github.com/dotnet/runtime/compare/63e677701d35c7e2dad4fe74a84eb935cd396155...6e91162e6ce882f476d4548aedf6a1efaa75e547)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Memory.Span&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[IndexOfAnyFourValues - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Memory.Span(Int32).IndexOfAnyFourValues(Size%3a%204).html>) | 7.02 ns | 5.66 ns | 0.81 | 0.21 | False | | |
[SequenceEqual - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Memory.Span(Int32).SequenceEqual(Size%3a%204).html>) | 6.09 ns | 2.99 ns | 0.49 | 0.32 | False | | |
[SequenceCompareTo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Memory.Span(Int32).SequenceCompareTo(Size%3a%2033).html>) | 29.18 ns | 26.53 ns | 0.91 | 0.02 | False | | |
[SequenceCompareTo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Memory.Span(Int32).SequenceCompareTo(Size%3a%20512).html>) | 436.83 ns | 355.38 ns | 0.81 | 0.00 | True | | |
[SequenceEqual - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Memory.Span(Int32).SequenceEqual(Size%3a%2033).html>) | 7.68 ns | 4.74 ns | 0.62 | 0.35 | False | | |
[Fill - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Memory.Span(Int32).Fill(Size%3a%204).html>) | 3.13 ns | 1.82 ns | 0.58 | 0.09 | False | | |
[LastIndexOfValue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Memory.Span(Int32).LastIndexOfValue(Size%3a%204).html>) | 3.06 ns | 1.86 ns | 0.61 | 0.04 | True | | |
[SequenceEqual - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Memory.Span(Int32).SequenceEqual(Size%3a%20512).html>) | 43.83 ns | 37.05 ns | 0.85 | 0.12 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_23_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Memory.Span%28Int32%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_23_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Memory.Span%28Int32%29_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_23_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Memory.Span%28Int32%29_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_23_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Memory.Span%28Int32%29_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_23_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Memory.Span%28Int32%29_5.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_23_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Memory.Span%28Int32%29_6.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_23_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Memory.Span%28Int32%29_7.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_23_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Memory.Span%28Int32%29_8.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_23_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Memory.Span%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-18afc654-0f99-48b4-97e9-3bd196c2b7687af4fb897d34f12b1/eb71ce95-7df4-4436-b611-6cd695c433f8.zip?sv=2021-08-06&se=2023-06-14T21%3A02%3A28Z&sr=c&sp=rl&sig=gZZwCKFkc%2BQ4fJqvDS0EctdWT7IX%2B%2Bge8og%2B6%2FdF62s%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9508ad75-dd98-4b41-8cf5-07d68780094ef8083034d0d4c128d/e371cb95-1145-48e8-82dd-b5c2d5b209ff.zip?sv=2021-08-06&se=2023-06-15T14%3A25%3A16Z&sr=c&sp=rl&sig=hoZ0YDSXARUqKIThFqNHCjiHnZXCLaf6im61snqT8x8%3D>)

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

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-18afc654-0f99-48b4-97e9-3bd196c2b7687af4fb897d34f12b1/eb71ce95-7df4-4436-b611-6cd695c433f8.zip?sv=2021-08-06&se=2023-06-14T21%3A02%3A28Z&sr=c&sp=rl&sig=gZZwCKFkc%2BQ4fJqvDS0EctdWT7IX%2B%2Bge8og%2B6%2FdF62s%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9508ad75-dd98-4b41-8cf5-07d68780094ef8083034d0d4c128d/e371cb95-1145-48e8-82dd-b5c2d5b209ff.zip?sv=2021-08-06&se=2023-06-15T14%3A25%3A16Z&sr=c&sp=rl&sig=hoZ0YDSXARUqKIThFqNHCjiHnZXCLaf6im61snqT8x8%3D>)
### Histogram

#### System.Memory.Span&lt;Int32&gt;.IndexOfAnyFourValues(Size: 4)

```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 5.6599411782122075 < 6.621252992696526.
IsChangePoint: Marked as a change because one of 3/20/2023 8:31:51 AM, 4/19/2023 8:38:27 PM, 5/10/2023 6:05:58 AM, 5/16/2023 12:30:38 AM, 5/22/2023 7:40:07 AM falls between 5/13/2023 2:42:33 PM and 5/22/2023 7:40:07 AM.
IsImprovementStdDev: Marked as improvement because 19.04039010697924 (T) = (0 -5.628255931385413) / Math.Sqrt((0.2585540196310834 / (299)) + (0.002962508492719604 / (28))) is greater than 1.967290077109849 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (28) - 2, .975) and 0.09534345702376602 = (6.221428425056194 - 5.628255931385413) / 6.221428425056194 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms

#### System.Memory.Span&lt;Int32&gt;.SequenceEqual(Size: 4)

```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 2.9940499166511283 < 5.902637192445108.
IsChangePoint: Marked as a change because one of 3/23/2023 12:23:24 PM, 3/29/2023 12:02:44 PM, 4/10/2023 4:31:44 PM, 5/16/2023 12:30:38 AM, 5/22/2023 7:40:07 AM falls between 5/13/2023 2:42:33 PM and 5/22/2023 7:40:07 AM.
IsImprovementStdDev: Marked as improvement because 11.618913271180089 (T) = (0 -3.3841069286153096) / Math.Sqrt((1.454867551249301 / (299)) + (0.1881910292619375 / (28))) is greater than 1.967290077109849 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (28) - 2, .975) and 0.26984748938894876 = (4.634794620898054 - 3.3841069286153096) / 4.634794620898054 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms

#### System.Memory.Span&lt;Int32&gt;.SequenceCompareTo(Size: 33)

```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 26.532030096407997 < 27.702661289869116.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 5/5/2023 3:18:41 PM, 5/9/2023 1:22:51 PM, 5/16/2023 5:40:18 PM, 5/19/2023 10:30:38 AM, 5/22/2023 7:40:07 AM falls between 5/13/2023 2:42:33 PM and 5/22/2023 7:40:07 AM.
IsImprovementStdDev: Marked as improvement because 29.773393589175345 (T) = (0 -27.138324113327958) / Math.Sqrt((0.8670642521524421 / (299)) + (0.1923162577690232 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.12734810147116837 = (31.09868225701377 - 27.138324113327958) / 31.09868225701377 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms

#### System.Memory.Span&lt;Int32&gt;.SequenceCompareTo(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 355.3830688439129 < 414.9644648397839.
IsChangePoint: Marked as a change because one of 5/19/2023 10:30:38 AM, 5/22/2023 7:40:07 AM falls between 5/13/2023 2:42:33 PM and 5/22/2023 7:40:07 AM.
IsImprovementStdDev: Marked as improvement because 623.8774369546351 (T) = (0 -354.929935680673) / Math.Sqrt((3.339692212105521 / (299)) + (0.07533088127270908 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.1862913045259352 = (436.18795971436884 - 354.929935680673) / 436.18795971436884 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

```
### JIT Disasms

#### System.Memory.Span&lt;Int32&gt;.SequenceEqual(Size: 33)

```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 4.738882333006298 < 7.315670990088212.
IsChangePoint: Marked as a change because one of 3/6/2023 11:14:52 AM, 3/14/2023 8:42:09 PM, 3/29/2023 12:02:44 PM, 4/9/2023 11:04:55 PM, 5/16/2023 5:40:18 PM, 5/22/2023 7:40:07 AM falls between 5/13/2023 2:42:33 PM and 5/22/2023 7:40:07 AM.
IsImprovementStdDev: Marked as improvement because 15.100504829079842 (T) = (0 -4.815711091208273) / Math.Sqrt((1.7419063506072818 / (299)) + (0.007932771814854286 / (23))) is greater than 1.9674049737480528 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (23) - 2, .975) and 0.19763703110672026 = (6.001910952907896 - 4.815711091208273) / 6.001910952907896 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms

#### System.Memory.Span&lt;Int32&gt;.Fill(Size: 4)

```log

```
### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 1.8197413716515651 < 3.007127463083304.
IsChangePoint: Marked as a change because one of 3/6/2023 11:14:52 AM, 3/14/2023 8:42:09 PM, 4/9/2023 11:04:55 PM, 4/25/2023 3:46:39 AM, 5/19/2023 10:30:38 AM, 5/22/2023 7:40:07 AM falls between 5/13/2023 2:42:33 PM and 5/22/2023 7:40:07 AM.
IsImprovementStdDev: Marked as improvement because 44.94594463383437 (T) = (0 -1.8133884874559056) / Math.Sqrt((0.1248544268406225 / (299)) + (0.001312429696164366 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.36077696177442853 = (2.8368634717699117 - 1.8133884874559056) / 2.8368634717699117 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms

#### System.Memory.Span&lt;Int32&gt;.LastIndexOfValue(Size: 4)

```log

```
### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 1.8626378897463833 < 2.91042405726533.
IsChangePoint: Marked as a change because one of 5/19/2023 10:30:38 AM, 5/22/2023 7:40:07 AM falls between 5/13/2023 2:42:33 PM and 5/22/2023 7:40:07 AM.
IsImprovementStdDev: Marked as improvement because 110.23734522591842 (T) = (0 -1.8623843694063198) / Math.Sqrt((0.031695072521193426 / (299)) + (2.6049796427602407E-07 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.37868201428576603 = (2.9974737770795774 - 1.8623843694063198) / 2.9974737770795774 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

```
### JIT Disasms

#### System.Memory.Span&lt;Int32&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 37.0456129883448 < 41.28232492809811.
IsChangePoint: Marked as a change because one of 3/6/2023 11:14:52 AM, 3/14/2023 8:42:09 PM, 3/29/2023 12:02:44 PM, 4/9/2023 11:04:55 PM, 5/5/2023 3:18:41 PM, 5/9/2023 1:22:51 PM, 5/16/2023 5:40:18 PM, 5/22/2023 7:40:07 AM falls between 5/13/2023 2:42:33 PM and 5/22/2023 7:40:07 AM.
IsImprovementStdDev: Marked as improvement because 2.5058266492423407 (T) = (0 -34.488556594489104) / Math.Sqrt((22.040473759909975 / (299)) + (12.659432151070014 / (24))) is greater than 1.967381707010986 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (24) - 2, .975) and 0.053331048288362874 = (36.43148592982966 - 34.488556594489104) / 36.43148592982966 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 | Windows 10.0.19042
Queue | OwlWindows
Baseline | [63e677701d35c7e2dad4fe74a84eb935cd396155](https://github.com/dotnet/runtime/commit/63e677701d35c7e2dad4fe74a84eb935cd396155)
Compare | [6e91162e6ce882f476d4548aedf6a1efaa75e547](https://github.com/dotnet/runtime/commit/6e91162e6ce882f476d4548aedf6a1efaa75e547)
Diff | [Diff](https://github.com/dotnet/runtime/compare/63e677701d35c7e2dad4fe74a84eb935cd396155...6e91162e6ce882f476d4548aedf6a1efaa75e547)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Text.Tests.Perf_StringBuilder

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Append_NonEmptySpan - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.Tests.Perf_StringBuilder.Append_NonEmptySpan.html>) | 308.59 ns | 276.70 ns | 0.90 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_23_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Text.Tests.Perf_StringBuilder_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_23_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Text.Tests.Perf_StringBuilder.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-18afc654-0f99-48b4-97e9-3bd196c2b7687af4fb897d34f12b1/eb71ce95-7df4-4436-b611-6cd695c433f8.zip?sv=2021-08-06&se=2023-06-14T21%3A02%3A28Z&sr=c&sp=rl&sig=gZZwCKFkc%2BQ4fJqvDS0EctdWT7IX%2B%2Bge8og%2B6%2FdF62s%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9508ad75-dd98-4b41-8cf5-07d68780094ef8083034d0d4c128d/e371cb95-1145-48e8-82dd-b5c2d5b209ff.zip?sv=2021-08-06&se=2023-06-15T14%3A25%3A16Z&sr=c&sp=rl&sig=hoZ0YDSXARUqKIThFqNHCjiHnZXCLaf6im61snqT8x8%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Tests.Perf_StringBuilder*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-18afc654-0f99-48b4-97e9-3bd196c2b7687af4fb897d34f12b1/eb71ce95-7df4-4436-b611-6cd695c433f8.zip?sv=2021-08-06&se=2023-06-14T21%3A02%3A28Z&sr=c&sp=rl&sig=gZZwCKFkc%2BQ4fJqvDS0EctdWT7IX%2B%2Bge8og%2B6%2FdF62s%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9508ad75-dd98-4b41-8cf5-07d68780094ef8083034d0d4c128d/e371cb95-1145-48e8-82dd-b5c2d5b209ff.zip?sv=2021-08-06&se=2023-06-15T14%3A25%3A16Z&sr=c&sp=rl&sig=hoZ0YDSXARUqKIThFqNHCjiHnZXCLaf6im61snqT8x8%3D>)
### Histogram

#### System.Text.Tests.Perf_StringBuilder.Append_NonEmptySpan

```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 276.70074044951184 < 287.10703446261266.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 5/2/2023 3:18:41 PM, 5/16/2023 12:30:38 AM, 5/22/2023 7:40:07 AM falls between 5/13/2023 2:42:33 PM and 5/22/2023 7:40:07 AM.
IsImprovementStdDev: Marked as improvement because 10.563809427484543 (T) = (0 -284.94745317949145) / Math.Sqrt((61.60522537931382 / (299)) + (54.0508836397245 / (28))) is greater than 1.967290077109849 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (28) - 2, .975) and 0.05140221531379828 = (300.3880651837625 - 284.94745317949145) / 300.3880651837625 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 | Windows 10.0.19042
Queue | OwlWindows
Baseline | [63e677701d35c7e2dad4fe74a84eb935cd396155](https://github.com/dotnet/runtime/commit/63e677701d35c7e2dad4fe74a84eb935cd396155)
Compare | [6e91162e6ce882f476d4548aedf6a1efaa75e547](https://github.com/dotnet/runtime/commit/6e91162e6ce882f476d4548aedf6a1efaa75e547)
Diff | [Diff](https://github.com/dotnet/runtime/compare/63e677701d35c7e2dad4fe74a84eb935cd396155...6e91162e6ce882f476d4548aedf6a1efaa75e547)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.IterateFor&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ImmutableSortedSet - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Collections.IterateFor(String).ImmutableSortedSet(Size%3a%20512).html>) | 6.74 μs | 5.63 μs | 0.84 | 0.06 | False | | |
[IList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Collections.IterateFor(String).IList(Size%3a%20512).html>) | 2.15 μs | 2.01 μs | 0.93 | 0.11 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_23_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Collections.IterateFor%28String%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_23_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Collections.IterateFor%28String%29_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_23_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Collections.IterateFor%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-18afc654-0f99-48b4-97e9-3bd196c2b7687af4fb897d34f12b1/eb71ce95-7df4-4436-b611-6cd695c433f8.zip?sv=2021-08-06&se=2023-06-14T21%3A02%3A28Z&sr=c&sp=rl&sig=gZZwCKFkc%2BQ4fJqvDS0EctdWT7IX%2B%2Bge8og%2B6%2FdF62s%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9508ad75-dd98-4b41-8cf5-07d68780094ef8083034d0d4c128d/e371cb95-1145-48e8-82dd-b5c2d5b209ff.zip?sv=2021-08-06&se=2023-06-15T14%3A25%3A16Z&sr=c&sp=rl&sig=hoZ0YDSXARUqKIThFqNHCjiHnZXCLaf6im61snqT8x8%3D>)

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

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-18afc654-0f99-48b4-97e9-3bd196c2b7687af4fb897d34f12b1/eb71ce95-7df4-4436-b611-6cd695c433f8.zip?sv=2021-08-06&se=2023-06-14T21%3A02%3A28Z&sr=c&sp=rl&sig=gZZwCKFkc%2BQ4fJqvDS0EctdWT7IX%2B%2Bge8og%2B6%2FdF62s%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9508ad75-dd98-4b41-8cf5-07d68780094ef8083034d0d4c128d/e371cb95-1145-48e8-82dd-b5c2d5b209ff.zip?sv=2021-08-06&se=2023-06-15T14%3A25%3A16Z&sr=c&sp=rl&sig=hoZ0YDSXARUqKIThFqNHCjiHnZXCLaf6im61snqT8x8%3D>)
### Histogram

#### System.Collections.IterateFor&lt;String&gt;.ImmutableSortedSet(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 5.630817255187477 < 6.400514149959824.
IsChangePoint: Marked as a change because one of 3/6/2023 11:14:52 AM, 3/20/2023 8:31:51 AM, 3/25/2023 12:18:49 AM, 4/19/2023 8:38:27 PM, 5/1/2023 3:42:23 PM, 5/16/2023 12:30:38 AM, 5/22/2023 7:40:07 AM falls between 5/13/2023 2:42:33 PM and 5/22/2023 7:40:07 AM.
IsImprovementStdDev: Marked as improvement because 23.958115734773795 (T) = (0 -5648.741994888761) / Math.Sqrt((136292.3546218913 / (299)) + (7945.6199593077745 / (28))) is greater than 1.967290077109849 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (28) - 2, .975) and 0.10341652254979532 = (6300.296778782081 - 5648.741994888761) / 6300.296778782081 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms

#### System.Collections.IterateFor&lt;String&gt;.IList(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 2.006534302999099 < 2.040789968120117.
IsChangePoint: Marked as a change because one of 3/14/2023 8:42:09 PM, 5/19/2023 10:30:38 AM, 5/22/2023 7:40:07 AM falls between 5/13/2023 2:42:33 PM and 5/22/2023 7:40:07 AM.
IsImprovementStdDev: Marked as improvement because 56.355833285894704 (T) = (0 -2006.6810074736572) / Math.Sqrt((2400.463541502011 / (299)) + (0.09517012134579354 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.07374003064815411 = (2166.4339104256446 - 2006.6810074736572) / 2166.4339104256446 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 | Windows 10.0.19042
Queue | OwlWindows
Baseline | [63e677701d35c7e2dad4fe74a84eb935cd396155](https://github.com/dotnet/runtime/commit/63e677701d35c7e2dad4fe74a84eb935cd396155)
Compare | [6e91162e6ce882f476d4548aedf6a1efaa75e547](https://github.com/dotnet/runtime/commit/6e91162e6ce882f476d4548aedf6a1efaa75e547)
Diff | [Diff](https://github.com/dotnet/runtime/compare/63e677701d35c7e2dad4fe74a84eb935cd396155...6e91162e6ce882f476d4548aedf6a1efaa75e547)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Tests.Perf_Char

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Char_IsUpper - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Tests.Perf_Char.Char_IsUpper(input%3a%20%22Good%20afternoon%2c%20Constable!%22).html>) | 24.57 ns | 16.71 ns | 0.68 | 0.07 | False | | |
[GetUnicodeCategory - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Tests.Perf_Char.GetUnicodeCategory(c%3a%20%27%d7%90%27).html>) | 3.62 ns | 1.69 ns | 0.47 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_23_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Tests.Perf_Char_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_23_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Tests.Perf_Char.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-18afc654-0f99-48b4-97e9-3bd196c2b7687af4fb897d34f12b1/eb71ce95-7df4-4436-b611-6cd695c433f8.zip?sv=2021-08-06&se=2023-06-14T21%3A02%3A28Z&sr=c&sp=rl&sig=gZZwCKFkc%2BQ4fJqvDS0EctdWT7IX%2B%2Bge8og%2B6%2FdF62s%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9508ad75-dd98-4b41-8cf5-07d68780094ef8083034d0d4c128d/e371cb95-1145-48e8-82dd-b5c2d5b209ff.zip?sv=2021-08-06&se=2023-06-15T14%3A25%3A16Z&sr=c&sp=rl&sig=hoZ0YDSXARUqKIThFqNHCjiHnZXCLaf6im61snqT8x8%3D>)

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

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-18afc654-0f99-48b4-97e9-3bd196c2b7687af4fb897d34f12b1/eb71ce95-7df4-4436-b611-6cd695c433f8.zip?sv=2021-08-06&se=2023-06-14T21%3A02%3A28Z&sr=c&sp=rl&sig=gZZwCKFkc%2BQ4fJqvDS0EctdWT7IX%2B%2Bge8og%2B6%2FdF62s%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9508ad75-dd98-4b41-8cf5-07d68780094ef8083034d0d4c128d/e371cb95-1145-48e8-82dd-b5c2d5b209ff.zip?sv=2021-08-06&se=2023-06-15T14%3A25%3A16Z&sr=c&sp=rl&sig=hoZ0YDSXARUqKIThFqNHCjiHnZXCLaf6im61snqT8x8%3D>)
### Histogram

#### System.Tests.Perf_Char.Char_IsUpper(input: "Good afternoon, Constable!")

```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 16.712411109571285 < 23.381415264526034.
IsChangePoint: Marked as a change because one of 3/6/2023 11:14:52 AM, 3/20/2023 8:31:51 AM, 4/25/2023 3:46:39 AM, 5/1/2023 3:42:23 PM, 5/16/2023 12:30:38 AM, 5/22/2023 7:40:07 AM falls between 5/13/2023 2:42:33 PM and 5/22/2023 7:40:07 AM.
IsImprovementStdDev: Marked as improvement because 22.829916612325352 (T) = (0 -16.540938858575437) / Math.Sqrt((12.975144391443985 / (299)) + (0.3363831018423959 / (28))) is greater than 1.967290077109849 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (28) - 2, .975) and 0.245219186674383 = (21.91489047753467 - 16.540938858575437) / 21.91489047753467 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms

#### System.Tests.Perf_Char.GetUnicodeCategory(c: 'א')

```log

```
### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 1.694038829009963 < 3.4391732424477808.
IsChangePoint: Marked as a change because one of 3/6/2023 11:14:52 AM, 4/12/2023 8:39:35 PM, 5/19/2023 10:30:38 AM, 5/22/2023 7:40:07 AM falls between 5/13/2023 2:42:33 PM and 5/22/2023 7:40:07 AM.
IsImprovementStdDev: Marked as improvement because 109.07133739348707 (T) = (0 -1.6943231705076809) / Math.Sqrt((0.0908635030914469 / (299)) + (4.2954013478790214E-07 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.5288062975215837 = (3.5958103039063682 - 1.6943231705076809) / 3.5958103039063682 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 | Windows 10.0.19042
Queue | OwlWindows
Baseline | [63e677701d35c7e2dad4fe74a84eb935cd396155](https://github.com/dotnet/runtime/commit/63e677701d35c7e2dad4fe74a84eb935cd396155)
Compare | [6e91162e6ce882f476d4548aedf6a1efaa75e547](https://github.com/dotnet/runtime/commit/6e91162e6ce882f476d4548aedf6a1efaa75e547)
Diff | [Diff](https://github.com/dotnet/runtime/compare/63e677701d35c7e2dad4fe74a84eb935cd396155...6e91162e6ce882f476d4548aedf6a1efaa75e547)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in Benchstone.BenchI.BenchE

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Test - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/Benchstone.BenchI.BenchE.Test.html>) | 319.59 ms | 246.61 ms | 0.77 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_23_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/Benchstone.BenchI.BenchE_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_23_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/Benchstone.BenchI.BenchE.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-18afc654-0f99-48b4-97e9-3bd196c2b7687af4fb897d34f12b1/eb71ce95-7df4-4436-b611-6cd695c433f8.zip?sv=2021-08-06&se=2023-06-14T21%3A02%3A28Z&sr=c&sp=rl&sig=gZZwCKFkc%2BQ4fJqvDS0EctdWT7IX%2B%2Bge8og%2B6%2FdF62s%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9508ad75-dd98-4b41-8cf5-07d68780094ef8083034d0d4c128d/e371cb95-1145-48e8-82dd-b5c2d5b209ff.zip?sv=2021-08-06&se=2023-06-15T14%3A25%3A16Z&sr=c&sp=rl&sig=hoZ0YDSXARUqKIThFqNHCjiHnZXCLaf6im61snqT8x8%3D>)

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

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-18afc654-0f99-48b4-97e9-3bd196c2b7687af4fb897d34f12b1/eb71ce95-7df4-4436-b611-6cd695c433f8.zip?sv=2021-08-06&se=2023-06-14T21%3A02%3A28Z&sr=c&sp=rl&sig=gZZwCKFkc%2BQ4fJqvDS0EctdWT7IX%2B%2Bge8og%2B6%2FdF62s%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9508ad75-dd98-4b41-8cf5-07d68780094ef8083034d0d4c128d/e371cb95-1145-48e8-82dd-b5c2d5b209ff.zip?sv=2021-08-06&se=2023-06-15T14%3A25%3A16Z&sr=c&sp=rl&sig=hoZ0YDSXARUqKIThFqNHCjiHnZXCLaf6im61snqT8x8%3D>)
### Histogram

#### Benchstone.BenchI.BenchE.Test

```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 246.61142666666666 < 303.5918576071429.
IsChangePoint: Marked as a change because one of 3/6/2023 11:14:52 AM, 3/20/2023 8:31:51 AM, 4/25/2023 3:46:39 AM, 5/2/2023 3:18:41 PM, 5/9/2023 1:22:51 PM, 5/16/2023 12:30:38 AM, 5/22/2023 7:40:07 AM falls between 5/13/2023 2:42:33 PM and 5/22/2023 7:40:07 AM.
IsImprovementStdDev: Marked as improvement because 12.313213616570712 (T) = (0 -254257748.0370225) / Math.Sqrt((724295281528950.5 / (299)) + (72203021271429.62 / (28))) is greater than 1.967290077109849 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (28) - 2, .975) and 0.09771728474328165 = (281793880.9397239 - 254257748.0370225) / 281793880.9397239 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 | Windows 10.0.19042
Queue | OwlWindows
Baseline | [63e677701d35c7e2dad4fe74a84eb935cd396155](https://github.com/dotnet/runtime/commit/63e677701d35c7e2dad4fe74a84eb935cd396155)
Compare | [6e91162e6ce882f476d4548aedf6a1efaa75e547](https://github.com/dotnet/runtime/commit/6e91162e6ce882f476d4548aedf6a1efaa75e547)
Diff | [Diff](https://github.com/dotnet/runtime/compare/63e677701d35c7e2dad4fe74a84eb935cd396155...6e91162e6ce882f476d4548aedf6a1efaa75e547)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Tests.Perf_Array

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ArrayRetrieve1D - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Tests.Perf_Array.ArrayRetrieve1D.html>) | 1.79 ms | 1.54 ms | 0.86 | 0.14 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_23_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Tests.Perf_Array_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_23_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Tests.Perf_Array.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-18afc654-0f99-48b4-97e9-3bd196c2b7687af4fb897d34f12b1/eb71ce95-7df4-4436-b611-6cd695c433f8.zip?sv=2021-08-06&se=2023-06-14T21%3A02%3A28Z&sr=c&sp=rl&sig=gZZwCKFkc%2BQ4fJqvDS0EctdWT7IX%2B%2Bge8og%2B6%2FdF62s%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9508ad75-dd98-4b41-8cf5-07d68780094ef8083034d0d4c128d/e371cb95-1145-48e8-82dd-b5c2d5b209ff.zip?sv=2021-08-06&se=2023-06-15T14%3A25%3A16Z&sr=c&sp=rl&sig=hoZ0YDSXARUqKIThFqNHCjiHnZXCLaf6im61snqT8x8%3D>)

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

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-18afc654-0f99-48b4-97e9-3bd196c2b7687af4fb897d34f12b1/eb71ce95-7df4-4436-b611-6cd695c433f8.zip?sv=2021-08-06&se=2023-06-14T21%3A02%3A28Z&sr=c&sp=rl&sig=gZZwCKFkc%2BQ4fJqvDS0EctdWT7IX%2B%2Bge8og%2B6%2FdF62s%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9508ad75-dd98-4b41-8cf5-07d68780094ef8083034d0d4c128d/e371cb95-1145-48e8-82dd-b5c2d5b209ff.zip?sv=2021-08-06&se=2023-06-15T14%3A25%3A16Z&sr=c&sp=rl&sig=hoZ0YDSXARUqKIThFqNHCjiHnZXCLaf6im61snqT8x8%3D>)
### Histogram

#### System.Tests.Perf_Array.ArrayRetrieve1D

```log

```
### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 1.5442870192307692 < 1.6866743553240737.
IsChangePoint: Marked as a change because one of 3/18/2023 3:39:51 AM, 4/24/2023 11:08:13 AM, 5/16/2023 12:30:38 AM, 5/22/2023 7:40:07 AM falls between 5/13/2023 2:42:33 PM and 5/22/2023 7:40:07 AM.
IsImprovementStdDev: Marked as improvement because 13.846709231004123 (T) = (0 -1631359.351224393) / Math.Sqrt((8597491513.66714 / (299)) + (2124620790.628447 / (27))) is greater than 1.9673127716992511 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (27) - 2, .975) and 0.08086608697613729 = (1774887.5632902898 - 1631359.351224393) / 1774887.5632902898 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	Windows 10.0.19042
Queue	OwlWindows
Baseline	63e677701d35c7e2dad4fe74a84eb935cd396155
Compare	6e91162e6ce882f476d4548aedf6a1efaa75e547
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
IndexOfAnyFourValues - Duration of single invocation	7.02 ns	5.66 ns	0.81	0.21	False
SequenceEqual - Duration of single invocation	6.09 ns	2.99 ns	0.49	0.32	False
SequenceCompareTo - Duration of single invocation	29.18 ns	26.53 ns	0.91	0.02	False
SequenceCompareTo - Duration of single invocation	436.83 ns	355.38 ns	0.81	0.00	True
SequenceEqual - Duration of single invocation	7.68 ns	4.74 ns	0.62	0.35	False
Fill - Duration of single invocation	3.13 ns	1.82 ns	0.58	0.09	False
LastIndexOfValue - Duration of single invocation	3.06 ns	1.86 ns	0.61	0.04	True
SequenceEqual - Duration of single invocation	43.83 ns	37.05 ns	0.85	0.12	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ImmutableSortedSet - Duration of single invocation	6.74 μs	5.63 μs	0.84	0.06	False
IList - Duration of single invocation	2.15 μs	2.01 μs	0.93	0.11	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Char_IsUpper - Duration of single invocation	24.57 ns	16.71 ns	0.68	0.07	False
GetUnicodeCategory - Duration of single invocation	3.62 ns	1.69 ns	0.47	0.03	False

[Perf] Windows/x64: 15 Improvements on 5/16/2023 7:34:13 AM #18214

Description

Run Information

Improvements in System.Memory.Span<Int32>

Repro

Payloads

Payloads

Histogram

System.Memory.Span<Int32>.IndexOfAnyFourValues(Size: 4)

Description of detection logic

JIT Disasms

System.Memory.Span<Int32>.SequenceEqual(Size: 4)

Description of detection logic

JIT Disasms

System.Memory.Span<Int32>.SequenceCompareTo(Size: 33)

Description of detection logic

JIT Disasms

System.Memory.Span<Int32>.SequenceCompareTo(Size: 512)

Description of detection logic

JIT Disasms

System.Memory.Span<Int32>.SequenceEqual(Size: 33)

Description of detection logic

JIT Disasms

System.Memory.Span<Int32>.Fill(Size: 4)

Description of detection logic

JIT Disasms

System.Memory.Span<Int32>.LastIndexOfValue(Size: 4)

Description of detection logic

JIT Disasms

System.Memory.Span<Int32>.SequenceEqual(Size: 512)

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Text.Tests.Perf_StringBuilder

Repro

Payloads

Payloads

Histogram

System.Text.Tests.Perf_StringBuilder.Append_NonEmptySpan

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Collections.IterateFor<String>

Repro

Payloads

Payloads

Histogram

System.Collections.IterateFor<String>.ImmutableSortedSet(Size: 512)

Description of detection logic

JIT Disasms

System.Collections.IterateFor<String>.IList(Size: 512)

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Tests.Perf_Char

Repro

Payloads

Payloads

Histogram

System.Tests.Perf_Char.Char_IsUpper(input: "Good afternoon, Constable!")

Description of detection logic

JIT Disasms

System.Tests.Perf_Char.GetUnicodeCategory(c: 'א')

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in Benchstone.BenchI.BenchE

Repro

Payloads

Payloads

Histogram

Benchstone.BenchI.BenchE.Test

Description of detection logic

JIT Disasms

Docs

Run Information