[Perf] Windows/x64: 2 Improvements on 11/21/2022 12:41:05 AM

### Run Information

Architecture | x64
-- | --
OS | Windows 10.0.18362
Baseline | [de005e5ea950f852df5befac7c06ae2f717bfc29](https://github.com/dotnet/runtime/commit/de005e5ea950f852df5befac7c06ae2f717bfc29)
Compare | [9129083c2fc6ef32479168f0555875b54aee4dfb](https://github.com/dotnet/runtime/commit/9129083c2fc6ef32479168f0555875b54aee4dfb)
Diff | [Diff](https://github.com/dotnet/runtime/compare/de005e5ea950f852df5befac7c06ae2f717bfc29...9129083c2fc6ef32479168f0555875b54aee4dfb)


### 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_ToUpperInvariant - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Tests.Perf_Char.Char_ToUpperInvariant(input%3a%20%22Hello%20World!%22).html>) | 30.32 ns | 15.92 ns | 0.53 | 0.03 | False | | |
[Char_ToLowerInvariant - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Tests.Perf_Char.Char_ToLowerInvariant(input%3a%20%22Hello%20World!%22).html>) | 30.08 ns | 15.34 ns | 0.51 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Tests.Perf_Char_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Tests.Perf_Char_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_22_2022/refs/heads/main_x64_Windows%2010.0.18362_Improvement/System.Tests.Perf_Char.html>)

### Repro

```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-0fc80ea6-9154-4b63-9df7-f39fb1a928b405b96cc78af4acfb4/e93aa016-40dd-4405-9914-d01a544e3f04.zip?sv=2021-08-06&se=2022-12-20T16%3A50%3A58Z&sr=c&sp=rl&sig=oIk%2FeuoUcyBpPgnTT%2FN4pfTngFkBgg%2Be%2BRRhXD9AofU%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-18959d30-e07f-4bf0-a8b7-b5feb9b4581842525e64b7b446cb1/f4c9d914-33ad-4fdd-ba32-ee878099190e.zip?sv=2021-08-06&se=2022-12-21T07%3A10%3A02Z&sr=c&sp=rl&sig=p4QF%2B62hKy3vURO%2BajQdU4e98ra5AZarYK%2B3rVnY2dw%3D>)
### Histogram

#### System.Tests.Perf_Char.Char_ToUpperInvariant(input: "Hello World!")

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 15.92332978274221 < 28.47682296133271.
IsChangePoint: Marked as a change because one of 9/23/2022 1:16:35 AM, 9/29/2022 7:42:19 AM, 10/11/2022 8:42:28 PM, 10/17/2022 3:19:47 PM, 11/2/2022 9:35:40 AM, 11/7/2022 4:10:19 PM, 11/20/2022 11:32:49 PM, 11/22/2022 2:20:42 AM falls between 11/13/2022 1:28:42 PM and 11/22/2022 2:20:42 AM.
IsImprovementStdDev: Marked as improvement because 77.18983117049477 (T) = (0 -15.699632211135299) / Math.Sqrt((6.81404340917355 / (299)) + (0.021253948915863997 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.44705318033345204 = (28.392662101941177 - 15.699632211135299) / 28.392662101941177 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```### Compare Jit Disasm

```assembly
; System.Tests.Perf_Char.Char_ToUpperInvariant(System.String)
       push      r14
       push      rdi
       push      rsi
       push      rbp
       push      rbx
       sub       rsp,40
       xor       eax,eax
       mov       [rsp+38],rax
       mov       rsi,rdx
       xor       edi,edi
       xor       ebx,ebx
       mov       ebp,[rsi+8]
       test      ebp,ebp
       jle       short M00_L04
M00_L00:
       mov       r9d,ebx
       movzx     r9d,word ptr [rsi+r9*2+0C]
       cmp       r9d,7F
       ja        short M00_L02
       lea       edx,[r9-61]
       cmp       edx,19
       ja        short M00_L01
       and       r9d,5F
M00_L01:
       mov       r14d,r9d
       jmp       short M00_L03
M00_L02:
       mov       rdx,2835CC00718
       mov       rcx,[rdx]
       mov       [rsp+30],r9w
       xor       r9d,r9d
       mov       [rsp+38],r9d
       mov       dword ptr [rsp+20],1
       mov       dword ptr [rsp+28],1
       lea       r9,[rsp+38]
       lea       rdx,[rsp+30]
       mov       r8d,1
       call      qword ptr [7FF887717D08]
       movzx     r14d,word ptr [rsp+38]
M00_L03:
       add       edi,r14d
       inc       ebx
       cmp       ebp,ebx
       jg        short M00_L00
M00_L04:
       mov       eax,edi
       add       rsp,40
       pop       rbx
       pop       rbp
       pop       rsi
       pop       rdi
       pop       r14
       ret
; Total bytes of code 157
```


#### System.Tests.Perf_Char.Char_ToLowerInvariant(input: "Hello World!")

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 15.33936798975388 < 28.421741662965232.
IsChangePoint: Marked as a change because one of 9/6/2022 1:06:44 PM, 9/23/2022 1:16:35 AM, 9/29/2022 7:42:19 AM, 10/11/2022 8:42:28 PM, 10/17/2022 3:19:47 PM, 11/2/2022 9:35:40 AM, 11/7/2022 4:10:19 PM, 11/20/2022 11:32:49 PM, 11/22/2022 2:20:42 AM falls between 11/13/2022 1:28:42 PM and 11/22/2022 2:20:42 AM.
IsImprovementStdDev: Marked as improvement because 71.87177437651178 (T) = (0 -15.344066499676298) / Math.Sqrt((9.177259481156018 / (299)) + (0.00046580496224329503 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.4511098660950373 = (27.954713615481086 - 15.344066499676298) / 27.954713615481086 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```### Compare Jit Disasm

```assembly
; System.Tests.Perf_Char.Char_ToLowerInvariant(System.String)
       push      r14
       push      rdi
       push      rsi
       push      rbp
       push      rbx
       sub       rsp,40
       xor       eax,eax
       mov       [rsp+38],rax
       mov       rsi,rdx
       xor       edi,edi
       xor       ebx,ebx
       mov       ebp,[rsi+8]
       test      ebp,ebp
       jle       short M00_L05
M00_L00:
       mov       r9d,ebx
       movzx     r9d,word ptr [rsi+r9*2+0C]
       cmp       r9d,7F
       ja        short M00_L03
       lea       edx,[r9-41]
       cmp       edx,19
       jbe       short M00_L02
M00_L01:
       mov       r14d,r9d
       jmp       short M00_L04
M00_L02:
       or        r9d,20
       movzx     r9d,r9b
       jmp       short M00_L01
M00_L03:
       mov       rdx,21D27400718
       mov       rcx,[rdx]
       mov       [rsp+30],r9w
       xor       r9d,r9d
       mov       [rsp+38],r9d
       mov       dword ptr [rsp+20],1
       mov       [rsp+28],r9d
       lea       r9,[rsp+38]
       lea       rdx,[rsp+30]
       mov       r8d,1
       call      qword ptr [7FFF27547D08]
       movzx     r14d,word ptr [rsp+38]
M00_L04:
       add       edi,r14d
       inc       ebx
       cmp       ebp,ebx
       jg        short M00_L00
M00_L05:
       mov       eax,edi
       add       rsp,40
       pop       rbx
       pop       rbp
       pop       rsi
       pop       rdi
       pop       r14
       ret
; Total bytes of code 160
```




### 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: 2 Improvements on 11/21/2022 12:41:05 AM #9914

Run Information

Improvements in System.Tests.Perf_Char

Repro

Payloads

Histogram

System.Tests.Perf_Char.Char_ToUpperInvariant(input: "Hello World!")

Description of detection logic

System.Tests.Perf_Char.Char_ToLowerInvariant(input: "Hello World!")

Description of detection logic

Docs

Metadata

Assignees

Labels

Type

Projects

Milestone

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Development

Architecture	x64
OS	Windows 10.0.18362
Baseline	de005e5ea950f852df5befac7c06ae2f717bfc29
Compare	9129083c2fc6ef32479168f0555875b54aee4dfb
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Char_ToUpperInvariant - Duration of single invocation	30.32 ns	15.92 ns	0.53	0.03	False
Char_ToLowerInvariant - Duration of single invocation	30.08 ns	15.34 ns	0.51	0.03	False

[Perf] Windows/x64: 2 Improvements on 11/21/2022 12:41:05 AM #9914

Description

Run Information

Improvements in System.Tests.Perf_Char

Repro

Payloads

Histogram

System.Tests.Perf_Char.Char_ToUpperInvariant(input: "Hello World!")

Description of detection logic

System.Tests.Perf_Char.Char_ToLowerInvariant(input: "Hello World!")

Description of detection logic

Docs

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions