[Perf] Windows/x64: 5 Improvements on 11/24/2022 9:42:44 PM

### Run Information

Architecture | x64
-- | --
OS | Windows 10.0.19042
Baseline | [ac03fbd184b182a6632a50bbe70bc733e487264c](https://github.com/dotnet/runtime/commit/ac03fbd184b182a6632a50bbe70bc733e487264c)
Compare | [4832236b4820ca83bbc9ce96003c2029b85c6ce2](https://github.com/dotnet/runtime/commit/4832236b4820ca83bbc9ce96003c2029b85c6ce2)
Diff | [Diff](https://github.com/dotnet/runtime/compare/ac03fbd184b182a6632a50bbe70bc733e487264c...4832236b4820ca83bbc9ce96003c2029b85c6ce2)


### Improvements in System.Tests.Perf_String

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ToUpperInvariant - 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_String.ToUpperInvariant(s%3a%20%22This%20is%20a%20much%20longer%20piece%20of%20text%20that%20might%20benefit%20more%20from%20vectorization.%22).html>) | 48.78 ns | 27.70 ns | 0.57 | 0.01 | False | | |
[Concat_str_str - 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_String.Concat_str_str(size%3a%20100).html>) | 29.97 ns | 27.73 ns | 0.93 | 0.05 | False | | |
[ToLowerInvariant - 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_String.ToLowerInvariant(s%3a%20%22This%20is%20a%20much%20longer%20piece%20of%20text%20that%20might%20benefit%20more%20from%20vectorization.%22).html>) | 48.28 ns | 27.65 ns | 0.57 | 0.03 | False | | |
[ToLower - 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_String.ToLower(s%3a%20%22This%20is%20a%20much%20longer%20piece%20of%20text%20that%20might%20benefit%20more%20from%20vectorization.%22).html>) | 54.87 ns | 34.09 ns | 0.62 | 0.04 | False | | |
[ToUpper - 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_String.ToUpper(s%3a%20%22This%20is%20a%20much%20longer%20piece%20of%20text%20that%20might%20benefit%20more%20from%20vectorization.%22).html>) | 54.25 ns | 33.29 ns | 0.61 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_29_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Tests.Perf_String_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_29_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Tests.Perf_String_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_29_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Tests.Perf_String_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_29_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Tests.Perf_String_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_29_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Tests.Perf_String_5.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_29_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Tests.Perf_String.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_String*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-b53e458d-197a-4291-83b0-bd7f6e8edbdd74a8bae662149bf9d/fa386259-c3d4-45c1-a6b1-61bc73f6f035.zip?sv=2021-08-06&se=2022-12-24T18%3A58%3A55Z&sr=c&sp=rl&sig=XdygvcZ%2F9%2B4ZJuQG0mpYvfgyVOlAKCWymH7S3Rl6COI%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-5204ed16-8d3a-4ce6-8a86-a35304dae0209176a95ca05450982/030c0941-5a8c-4aa8-9f9c-27ce16b19058.zip?sv=2021-08-06&se=2022-12-25T09%3A19%3A14Z&sr=c&sp=rl&sig=qoqICRTG2%2BL7CiNhj%2FehUGwH7ONqgQTNpF65CpyFZLk%3D>)
### Histogram

#### System.Tests.Perf_String.ToUpperInvariant(s: "This is a much longer piece of text that might benefit more from vectorization.")

```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 27.70413843674101 < 45.865418126467624.
IsChangePoint: Marked as a change because one of 11/24/2022 8:21:24 PM, 11/29/2022 1:43:29 AM falls between 11/20/2022 12:28:28 PM and 11/29/2022 1:43:29 AM.
IsImprovementStdDev: Marked as improvement because 241.29521787786197 (T) = (0 -27.244834913532998) / Math.Sqrt((1.782055651107921 / (299)) + (0.061557660885357475 / (15))) is greater than 1.9675964973877862 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (15) - 2, .975) and 0.4704735836591698 = (51.45132343311997 - 27.244834913532998) / 51.45132343311997 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Tests.Perf_String.Concat_str_str(size: 100)

```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 27.72660231768547 < 28.508668179425687.
IsChangePoint: Marked as a change because one of 9/13/2022 12:23:36 PM, 9/23/2022 1:16:35 AM, 11/21/2022 9:59:44 PM, 11/29/2022 1:43:29 AM falls between 11/20/2022 12:28:28 PM and 11/29/2022 1:43:29 AM.
IsImprovementStdDev: Marked as improvement because 14.494934712396955 (T) = (0 -28.06160042430037) / Math.Sqrt((0.6494612449954009 / (299)) + (0.4854504050157415 / (33))) is greater than 1.9671786747533526 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (33) - 2, .975) and 0.06289463252159187 = (29.944978865940534 - 28.06160042430037) / 29.944978865940534 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Tests.Perf_String.ToLowerInvariant(s: "This is a much longer piece of text that might benefit more from vectorization.")

```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 27.64643342074679 < 45.75298337236028.
IsChangePoint: Marked as a change because one of 11/11/2022 5:53:56 PM, 11/16/2022 6:51:59 PM, 11/24/2022 8:21:24 PM, 11/29/2022 1:43:29 AM falls between 11/20/2022 12:28:28 PM and 11/29/2022 1:43:29 AM.
IsImprovementStdDev: Marked as improvement because 153.2733072724317 (T) = (0 -27.24888821563144) / Math.Sqrt((6.463296630011602 / (299)) + (0.0708161262318981 / (15))) is greater than 1.9675964973877862 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (15) - 2, .975) and 0.4772228412073368 = (52.123333541507165 - 27.24888821563144) / 52.123333541507165 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Tests.Perf_String.ToLower(s: "This is a much longer piece of text that might benefit more from vectorization.")

```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 34.08580737527149 < 52.30128524165019.
IsChangePoint: Marked as a change because one of 11/11/2022 5:53:56 PM, 11/16/2022 11:33:39 PM, 11/24/2022 8:21:24 PM, 11/29/2022 1:43:29 AM falls between 11/20/2022 12:28:28 PM and 11/29/2022 1:43:29 AM.
IsImprovementStdDev: Marked as improvement because 94.94878090412887 (T) = (0 -33.99525752045803) / Math.Sqrt((17.900331925980527 / (299)) + (0.15693150926913657 / (15))) is greater than 1.9675964973877862 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (15) - 2, .975) and 0.4255169308525942 = (59.17538626666687 - 33.99525752045803) / 59.17538626666687 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Tests.Perf_String.ToUpper(s: "This is a much longer piece of text that might benefit more from vectorization.")

```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 33.288464192246515 < 51.761065998791636.
IsChangePoint: Marked as a change because one of 11/11/2022 5:53:56 PM, 11/16/2022 11:33:39 PM, 11/24/2022 8:21:24 PM, 11/29/2022 1:43:29 AM falls between 11/20/2022 12:28:28 PM and 11/29/2022 1:43:29 AM.
IsImprovementStdDev: Marked as improvement because 91.62803508287547 (T) = (0 -33.96511062163668) / Math.Sqrt((20.14602569694683 / (299)) + (0.12731826921053743 / (15))) is greater than 1.9675964973877862 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (15) - 2, .975) and 0.4262933300524889 = (59.20292093648515 - 33.96511062163668) / 59.20292093648515 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


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[Perf] Windows/x64: 5 Improvements on 11/24/2022 9:42:44 PM #10226

Run Information

Improvements in System.Tests.Perf_String

Repro

Payloads

Histogram

System.Tests.Perf_String.ToUpperInvariant(s: "This is a much longer piece of text that might benefit more from vectorization.")

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Docs

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Architecture	x64
OS	Windows 10.0.19042
Baseline	ac03fbd184b182a6632a50bbe70bc733e487264c
Compare	4832236b4820ca83bbc9ce96003c2029b85c6ce2
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ToUpperInvariant - Duration of single invocation	48.78 ns	27.70 ns	0.57	0.01	False
Concat_str_str - Duration of single invocation	29.97 ns	27.73 ns	0.93	0.05	False
ToLowerInvariant - Duration of single invocation	48.28 ns	27.65 ns	0.57	0.03	False
ToLower - Duration of single invocation	54.87 ns	34.09 ns	0.62	0.04	False
ToUpper - Duration of single invocation	54.25 ns	33.29 ns	0.61	0.04	False

[Perf] Windows/x64: 5 Improvements on 11/24/2022 9:42:44 PM #10226

Description

Run Information

Improvements in System.Tests.Perf_String

Repro

Payloads

Histogram

System.Tests.Perf_String.ToUpperInvariant(s: "This is a much longer piece of text that might benefit more from vectorization.")

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Docs

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions