[Perf] Windows/x86: 13 Improvements on 5/13/2023 6:35:24 AM

### Run Information

Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.18362
Queue | TigerWindows
Baseline | [35cbe111b86cdb0581c257f85490cdcca735cedf](https://github.com/dotnet/runtime/commit/35cbe111b86cdb0581c257f85490cdcca735cedf)
Compare | [aa38055cca67d9ece504cef2adc8a19f0cb2ec8e](https://github.com/dotnet/runtime/commit/aa38055cca67d9ece504cef2adc8a19f0cb2ec8e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/35cbe111b86cdb0581c257f85490cdcca735cedf...aa38055cca67d9ece504cef2adc8a19f0cb2ec8e)
Configs | CompilationMode:tiered, RunKind:micro


### 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
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ToLower - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Tests.Perf_String.ToLower(s%3a%20%22TEST%22).html>) | 38.17 ns | 33.06 ns | 0.87 | 0.36 | False | 412.28884650853956 | 391.69855287331893 | 0.9500585722616822)
[ToLower - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Tests.Perf_String.ToLower(s%3a%20%22TeSt%22).html>) | 37.68 ns | 32.98 ns | 0.88 | 0.37 | False | 412.2597811940613 | 392.2727360552085 | 0.9515183240020099)

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_16_2023/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Tests.Perf_String_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_16_2023/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Tests.Perf_String_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_16_2023/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Tests.Perf_String.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-389519c3-6aa8-484d-ba86-1f1e8e386c1ccbb391f253a425587/42893fd9-ba5b-46bf-b0c9-8561e5b6dc77.zip?sv=2021-08-06&se=2023-06-11T23%3A16%3A37Z&sr=c&sp=rl&sig=Fb%2FXmetF1avHhaYCCw%2B%2FNZkD%2FxAD5DCjlaqujc3ug%2Fc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-734d0148-2828-487a-b20a-6bdf826df995efa539ba3e04ee79d/e7440e3f-3bc9-4886-855b-93812453dd63.zip?sv=2021-08-06&se=2023-06-12T15%3A33%3A04Z&sr=c&sp=rl&sig=7XlqoORXc6oTnh5IjCj8XBdCv8X2NPlGIY5adfB%2BmCE%3D>)

```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-389519c3-6aa8-484d-ba86-1f1e8e386c1ccbb391f253a425587/42893fd9-ba5b-46bf-b0c9-8561e5b6dc77.zip?sv=2021-08-06&se=2023-06-11T23%3A16%3A37Z&sr=c&sp=rl&sig=Fb%2FXmetF1avHhaYCCw%2B%2FNZkD%2FxAD5DCjlaqujc3ug%2Fc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-734d0148-2828-487a-b20a-6bdf826df995efa539ba3e04ee79d/e7440e3f-3bc9-4886-855b-93812453dd63.zip?sv=2021-08-06&se=2023-06-12T15%3A33%3A04Z&sr=c&sp=rl&sig=7XlqoORXc6oTnh5IjCj8XBdCv8X2NPlGIY5adfB%2BmCE%3D>)
### Histogram

#### System.Tests.Perf_String.ToLower(s: "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 33.060066470196745 < 36.643513898009125.
IsChangePoint: Marked as a change because one of 3/15/2023 5:33:41 AM, 5/13/2023 1:49:08 AM, 5/16/2023 12:30:38 AM falls between 5/7/2023 5:11:33 AM and 5/16/2023 12:30:38 AM.
IsImprovementStdDev: Marked as improvement because 18.130122719847193 (T) = (0 -33.075654787806464) / Math.Sqrt((4.537564116414962 / (299)) + (0.3862797389351696 / (7))) is greater than 1.9677981407170237 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (7) - 2, .975) and 0.12693911843018293 = (37.88470596498884 - 33.075654787806464) / 37.88470596498884 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms
[Baseline](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Tests_Perf_String_ToLower_s___TEST___baseline_179a72bc-fdec-4b04-af94-ac74ff1de3c9.log)
[Compare](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Tests_Perf_String_ToLower_s___TEST___compare_179a72bc-fdec-4b04-af94-ac74ff1de3c9.log)
[Diff](https://perfsupport.azurewebsites.net/diff?old=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Tests_Perf_String_ToLower_s___TEST___baseline_179a72bc-fdec-4b04-af94-ac74ff1de3c9.log&new=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Tests_Perf_String_ToLower_s___TEST___compare_179a72bc-fdec-4b04-af94-ac74ff1de3c9.log)

#### System.Tests.Perf_String.ToLower(s: "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 32.97950108190515 < 35.63814101873775.
IsChangePoint: Marked as a change because one of 3/21/2023 3:33:39 AM, 5/13/2023 1:49:08 AM, 5/16/2023 12:30:38 AM falls between 5/7/2023 5:11:33 AM and 5/16/2023 12:30:38 AM.
IsImprovementStdDev: Marked as improvement because 27.78263121535 (T) = (0 -32.643121011465574) / Math.Sqrt((4.062393914526268 / (299)) + (0.1484953947613509 / (7))) is greater than 1.9677981407170237 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (7) - 2, .975) and 0.1370171469343308 = (37.82592075323839 - 32.643121011465574) / 37.82592075323839 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms
[Baseline](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Tests_Perf_String_ToLower_s___TeSt___baseline_7047dc48-8869-45fb-8a8c-23d4d70ed80c.log)
[Compare](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Tests_Perf_String_ToLower_s___TeSt___compare_7047dc48-8869-45fb-8a8c-23d4d70ed80c.log)
[Diff](https://perfsupport.azurewebsites.net/diff?old=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Tests_Perf_String_ToLower_s___TeSt___baseline_7047dc48-8869-45fb-8a8c-23d4d70ed80c.log&new=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Tests_Perf_String_ToLower_s___TeSt___compare_7047dc48-8869-45fb-8a8c-23d4d70ed80c.log)



### 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 | x86
OS | Windows 10.0.18362
Queue | TigerWindows
Baseline | [35cbe111b86cdb0581c257f85490cdcca735cedf](https://github.com/dotnet/runtime/commit/35cbe111b86cdb0581c257f85490cdcca735cedf)
Compare | [aa38055cca67d9ece504cef2adc8a19f0cb2ec8e](https://github.com/dotnet/runtime/commit/aa38055cca67d9ece504cef2adc8a19f0cb2ec8e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/35cbe111b86cdb0581c257f85490cdcca735cedf...aa38055cca67d9ece504cef2adc8a19f0cb2ec8e)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.CtorFromCollection&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_x86_Windows 10.0.18362/System.Collections.CtorFromCollection(String).ImmutableSortedSet(Size%3a%20512).html>) | 447.18 μs | 407.49 μs | 0.91 | 0.19 | False | | | | [Trace](https://helixri107v0xdeko0k025g8.blob.core.windows.net/results-91d5da3c17724a5abc/Collect%20System.Collections.CtorFromCollection_String_.ImmutableSortedSet_Size%3A%20512_/1/artifacts/BenchmarkDotNet.Artifacts/System.Collections.CtorFromCollection_String_.ImmutableSortedSet%28Size_%20512%29-20230516-005200.etl?sv=2021-08-06&se=2023-08-14T07%3A50%3A23Z&sr=c&sp=rl&sig=0yA5QRlYfO2SA1HkPdvFnmEtllmjrtlw3k82pXhfU6A%3D) | [Trace](https://helixri107v0xdeko0k025g8.blob.core.windows.net/results-397ca4c5771b4c3884/Collect%20System.Collections.CtorFromCollection_String_.ImmutableSortedSet_Size%3A%20512_/1/artifacts/BenchmarkDotNet.Artifacts/System.Collections.CtorFromCollection_String_.ImmutableSortedSet%28Size_%20512%29-20230516-005235.etl?sv=2021-08-06&se=2023-08-14T07%3A50%3A23Z&sr=c&sp=rl&sig=B%2F9PSi4PgrCXRvLQLvs%2FSw9saQEcdU3qTBOcLbrWyjc%3D)

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_16_2023/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Collections.CtorFromCollection%28String%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_16_2023/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Collections.CtorFromCollection%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-389519c3-6aa8-484d-ba86-1f1e8e386c1ccbb391f253a425587/42893fd9-ba5b-46bf-b0c9-8561e5b6dc77.zip?sv=2021-08-06&se=2023-06-11T23%3A16%3A37Z&sr=c&sp=rl&sig=Fb%2FXmetF1avHhaYCCw%2B%2FNZkD%2FxAD5DCjlaqujc3ug%2Fc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-734d0148-2828-487a-b20a-6bdf826df995efa539ba3e04ee79d/e7440e3f-3bc9-4886-855b-93812453dd63.zip?sv=2021-08-06&se=2023-06-12T15%3A33%3A04Z&sr=c&sp=rl&sig=7XlqoORXc6oTnh5IjCj8XBdCv8X2NPlGIY5adfB%2BmCE%3D>)

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

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-389519c3-6aa8-484d-ba86-1f1e8e386c1ccbb391f253a425587/42893fd9-ba5b-46bf-b0c9-8561e5b6dc77.zip?sv=2021-08-06&se=2023-06-11T23%3A16%3A37Z&sr=c&sp=rl&sig=Fb%2FXmetF1avHhaYCCw%2B%2FNZkD%2FxAD5DCjlaqujc3ug%2Fc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-734d0148-2828-487a-b20a-6bdf826df995efa539ba3e04ee79d/e7440e3f-3bc9-4886-855b-93812453dd63.zip?sv=2021-08-06&se=2023-06-12T15%3A33%3A04Z&sr=c&sp=rl&sig=7XlqoORXc6oTnh5IjCj8XBdCv8X2NPlGIY5adfB%2BmCE%3D>)
### Histogram

#### System.Collections.CtorFromCollection&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 407.4918696581197 < 421.3041417824074.
IsChangePoint: Marked as a change because one of 5/13/2023 1:49:08 AM, 5/16/2023 12:30:38 AM falls between 5/7/2023 5:11:33 AM and 5/16/2023 12:30:38 AM.
IsImprovementStdDev: Marked as improvement because 20.77674092478743 (T) = (0 -403773.64621489623) / Math.Sqrt((200381358.3989649 / (299)) + (18353267.246957343 / (7))) is greater than 1.9677981407170237 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (7) - 2, .975) and 0.08539049005654156 = (441471.0779028065 - 403773.64621489623) / 441471.0779028065 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms
[Baseline](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Collections_CtorFromCollection_String__ImmutableSortedSet_Size__512__baseline_d4729120-03bd-48e9-9755-719c6a498330.log)
[Compare](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Collections_CtorFromCollection_String__ImmutableSortedSet_Size__512__compare_d4729120-03bd-48e9-9755-719c6a498330.log)
[Diff](https://perfsupport.azurewebsites.net/diff?old=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Collections_CtorFromCollection_String__ImmutableSortedSet_Size__512__baseline_d4729120-03bd-48e9-9755-719c6a498330.log&new=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Collections_CtorFromCollection_String__ImmutableSortedSet_Size__512__compare_d4729120-03bd-48e9-9755-719c6a498330.log)



### 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 | x86
OS | Windows 10.0.18362
Queue | TigerWindows
Baseline | [35cbe111b86cdb0581c257f85490cdcca735cedf](https://github.com/dotnet/runtime/commit/35cbe111b86cdb0581c257f85490cdcca735cedf)
Compare | [aa38055cca67d9ece504cef2adc8a19f0cb2ec8e](https://github.com/dotnet/runtime/commit/aa38055cca67d9ece504cef2adc8a19f0cb2ec8e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/35cbe111b86cdb0581c257f85490cdcca735cedf...aa38055cca67d9ece504cef2adc8a19f0cb2ec8e)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Threading.Tests.Perf_ThreadStatic

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[GetThreadStatic - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Threading.Tests.Perf_ThreadStatic.GetThreadStatic.html>) | 2.42 ns | 0.00 ns | 0.00 | 0.44 | False | | | | [Trace](https://helixri107v0xdeko0k025g8.blob.core.windows.net/results-9703c5d2cd30494087/Collect%20System.Threading.Tests.Perf_ThreadStatic.GetThreadStatic/1/artifacts/BenchmarkDotNet.Artifacts/System.Threading.Tests.Perf_ThreadStatic.GetThreadStatic-20230516-005257.etl?sv=2021-08-06&se=2023-08-14T07%3A50%3A25Z&sr=c&sp=rl&sig=j8QcUVMU5B6ysHRWZQc0I3jk4ZbhkuWmhZuYPnIllac%3D) | [Trace](https://helixri107v0xdeko0k025g8.blob.core.windows.net/results-8d0d670e57464e4c95/Collect%20System.Threading.Tests.Perf_ThreadStatic.GetThreadStatic/1/artifacts/BenchmarkDotNet.Artifacts/System.Threading.Tests.Perf_ThreadStatic.GetThreadStatic-20230516-005246.etl?sv=2021-08-06&se=2023-08-14T07%3A50%3A25Z&sr=c&sp=rl&sig=2bzG5ReFWaUcOTX%2BRFMjgW2c579Rq%2Fs1oMkaUjJQlzA%3D)

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_16_2023/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Threading.Tests.Perf_ThreadStatic_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_16_2023/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Threading.Tests.Perf_ThreadStatic.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-389519c3-6aa8-484d-ba86-1f1e8e386c1ccbb391f253a425587/42893fd9-ba5b-46bf-b0c9-8561e5b6dc77.zip?sv=2021-08-06&se=2023-06-11T23%3A16%3A37Z&sr=c&sp=rl&sig=Fb%2FXmetF1avHhaYCCw%2B%2FNZkD%2FxAD5DCjlaqujc3ug%2Fc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-734d0148-2828-487a-b20a-6bdf826df995efa539ba3e04ee79d/e7440e3f-3bc9-4886-855b-93812453dd63.zip?sv=2021-08-06&se=2023-06-12T15%3A33%3A04Z&sr=c&sp=rl&sig=7XlqoORXc6oTnh5IjCj8XBdCv8X2NPlGIY5adfB%2BmCE%3D>)

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

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-389519c3-6aa8-484d-ba86-1f1e8e386c1ccbb391f253a425587/42893fd9-ba5b-46bf-b0c9-8561e5b6dc77.zip?sv=2021-08-06&se=2023-06-11T23%3A16%3A37Z&sr=c&sp=rl&sig=Fb%2FXmetF1avHhaYCCw%2B%2FNZkD%2FxAD5DCjlaqujc3ug%2Fc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-734d0148-2828-487a-b20a-6bdf826df995efa539ba3e04ee79d/e7440e3f-3bc9-4886-855b-93812453dd63.zip?sv=2021-08-06&se=2023-06-12T15%3A33%3A04Z&sr=c&sp=rl&sig=7XlqoORXc6oTnh5IjCj8XBdCv8X2NPlGIY5adfB%2BmCE%3D>)
### Histogram

#### System.Threading.Tests.Perf_ThreadStatic.GetThreadStatic

```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 0 < 2.189268533088456.
IsChangePoint: Marked as a change because one of 5/13/2023 1:49:08 AM, 5/16/2023 12:30:38 AM falls between 5/7/2023 5:11:33 AM and 5/16/2023 12:30:38 AM.
IsImprovementStdDev: Marked as improvement because 29.793107303505035 (T) = (0 -0.06679310889154648) / Math.Sqrt((0.08154669045265547 / (299)) + (0.031229235767785895 / (7))) is greater than 1.9677981407170237 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (7) - 2, .975) and 0.9684445653393288 = (2.1166911376693363 - 0.06679310889154648) / 2.1166911376693363 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms
[Baseline](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Threading_Tests_Perf_ThreadStatic_GetThreadStatic_baseline_d6c48cb5-1dbf-4086-8fbd-362f77e689ae.log)
[Compare](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Threading_Tests_Perf_ThreadStatic_GetThreadStatic_compare_d6c48cb5-1dbf-4086-8fbd-362f77e689ae.log)
[Diff](https://perfsupport.azurewebsites.net/diff?old=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Threading_Tests_Perf_ThreadStatic_GetThreadStatic_baseline_d6c48cb5-1dbf-4086-8fbd-362f77e689ae.log&new=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Threading_Tests_Perf_ThreadStatic_GetThreadStatic_compare_d6c48cb5-1dbf-4086-8fbd-362f77e689ae.log)



### 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 | x86
OS | Windows 10.0.18362
Queue | TigerWindows
Baseline | [35cbe111b86cdb0581c257f85490cdcca735cedf](https://github.com/dotnet/runtime/commit/35cbe111b86cdb0581c257f85490cdcca735cedf)
Compare | [aa38055cca67d9ece504cef2adc8a19f0cb2ec8e](https://github.com/dotnet/runtime/commit/aa38055cca67d9ece504cef2adc8a19f0cb2ec8e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/35cbe111b86cdb0581c257f85490cdcca735cedf...aa38055cca67d9ece504cef2adc8a19f0cb2ec8e)
Configs | CompilationMode:tiered, RunKind:micro


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

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Array_ComparerClass - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Collections.Sort(String).Array_ComparerClass(Size%3a%20512).html>) | 415.14 μs | 366.97 μs | 0.88 | 0.24 | False | 3000173.3333333335 | 2902373.3333333335 | 0.9674018834467342) | [Trace](https://helixri107v0xdeko0k025g8.blob.core.windows.net/results-95cb932db51d458e8e/Collect%20System.Collections.Sort_String_.Array_ComparerClass_Size%3A%20512_/1/artifacts/BenchmarkDotNet.Artifacts/System.Collections.Sort_String_.Array_ComparerClass%28Size_%20512%29-20230516-005304.etl?sv=2021-08-06&se=2023-08-14T07%3A50%3A26Z&sr=c&sp=rl&sig=5Tpzec6xxZyZnFqgfmrXzmppaeAfZdCgb14KzGTu3xk%3D) | [Trace](https://helixri107v0xdeko0k025g8.blob.core.windows.net/results-a6d43d7c8c09457da0/Collect%20System.Collections.Sort_String_.Array_ComparerClass_Size%3A%20512_/1/artifacts/BenchmarkDotNet.Artifacts/System.Collections.Sort_String_.Array_ComparerClass%28Size_%20512%29-20230516-005302.etl?sv=2021-08-06&se=2023-08-14T07%3A50%3A26Z&sr=c&sp=rl&sig=mPQCqjOKPxEb1fDE8Mr1QGo0cpt7%2BQgajtnVLaUSOXQ%3D)
[List - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Collections.Sort(String).List(Size%3a%20512).html>) | 379.41 μs | 342.93 μs | 0.90 | 0.25 | False | 2942031.3725490198 | 2843693.333333333 | 0.9665747822632886) | [Trace](https://helixri107v0xdeko0k025g8.blob.core.windows.net/results-e93131d80d154dc3be/Collect%20System.Collections.Sort_String_.List_Size%3A%20512_/1/artifacts/BenchmarkDotNet.Artifacts/System.Collections.Sort_String_.List%28Size_%20512%29-20230516-005308.etl?sv=2021-08-06&se=2023-08-14T07%3A50%3A31Z&sr=c&sp=rl&sig=VceoRexouAq%2BCjn6VQ0QY0eUpFCgV3gho4Igs4%2BV7S8%3D) | [Trace](https://helixri107v0xdeko0k025g8.blob.core.windows.net/results-9a41e99568824762b7/Collect%20System.Collections.Sort_String_.List_Size%3A%20512_/1/artifacts/BenchmarkDotNet.Artifacts/System.Collections.Sort_String_.List%28Size_%20512%29-20230516-005212.etl?sv=2021-08-06&se=2023-08-14T07%3A50%3A31Z&sr=c&sp=rl&sig=9fAvhb2Leb7b%2BZQSjpmB343zw9UUYct7zGGtLoPPjLA%3D)

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_16_2023/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Collections.Sort%28String%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_16_2023/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Collections.Sort%28String%29_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_16_2023/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Collections.Sort%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-389519c3-6aa8-484d-ba86-1f1e8e386c1ccbb391f253a425587/42893fd9-ba5b-46bf-b0c9-8561e5b6dc77.zip?sv=2021-08-06&se=2023-06-11T23%3A16%3A37Z&sr=c&sp=rl&sig=Fb%2FXmetF1avHhaYCCw%2B%2FNZkD%2FxAD5DCjlaqujc3ug%2Fc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-734d0148-2828-487a-b20a-6bdf826df995efa539ba3e04ee79d/e7440e3f-3bc9-4886-855b-93812453dd63.zip?sv=2021-08-06&se=2023-06-12T15%3A33%3A04Z&sr=c&sp=rl&sig=7XlqoORXc6oTnh5IjCj8XBdCv8X2NPlGIY5adfB%2BmCE%3D>)

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

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-389519c3-6aa8-484d-ba86-1f1e8e386c1ccbb391f253a425587/42893fd9-ba5b-46bf-b0c9-8561e5b6dc77.zip?sv=2021-08-06&se=2023-06-11T23%3A16%3A37Z&sr=c&sp=rl&sig=Fb%2FXmetF1avHhaYCCw%2B%2FNZkD%2FxAD5DCjlaqujc3ug%2Fc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-734d0148-2828-487a-b20a-6bdf826df995efa539ba3e04ee79d/e7440e3f-3bc9-4886-855b-93812453dd63.zip?sv=2021-08-06&se=2023-06-12T15%3A33%3A04Z&sr=c&sp=rl&sig=7XlqoORXc6oTnh5IjCj8XBdCv8X2NPlGIY5adfB%2BmCE%3D>)
### Histogram

#### System.Collections.Sort&lt;String&gt;.Array_ComparerClass(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 366.9665493333333 < 373.7856093809524.
IsChangePoint: Marked as a change because one of 5/13/2023 1:49:08 AM, 5/16/2023 12:30:38 AM falls between 5/7/2023 5:11:33 AM and 5/16/2023 12:30:38 AM.
IsImprovementStdDev: Marked as improvement because 13.869725976109729 (T) = (0 -361697.0304353741) / Math.Sqrt((247485263.58170983 / (299)) + (24983475.401666973 / (7))) is greater than 1.9677981407170237 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (7) - 2, .975) and 0.07442229888722601 = (390779.7584152304 - 361697.0304353741) / 390779.7584152304 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms
[Baseline](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Collections_Sort_String__Array_ComparerClass_Size__512__baseline_f0db3bfa-315b-4fa7-8b30-263400470722.log)
[Compare](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Collections_Sort_String__Array_ComparerClass_Size__512__compare_f0db3bfa-315b-4fa7-8b30-263400470722.log)
[Diff](https://perfsupport.azurewebsites.net/diff?old=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Collections_Sort_String__Array_ComparerClass_Size__512__baseline_f0db3bfa-315b-4fa7-8b30-263400470722.log&new=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Collections_Sort_String__Array_ComparerClass_Size__512__compare_f0db3bfa-315b-4fa7-8b30-263400470722.log)

#### System.Collections.Sort&lt;String&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 342.9255371428571 < 352.87371085714284.
IsChangePoint: Marked as a change because one of 5/13/2023 1:49:08 AM, 5/16/2023 12:30:38 AM falls between 5/7/2023 5:11:33 AM and 5/16/2023 12:30:38 AM.
IsImprovementStdDev: Marked as improvement because 14.566413073072889 (T) = (0 -345804.2028644689) / Math.Sqrt((173309114.88252562 / (299)) + (33444603.8842842 / (7))) is greater than 1.9677981407170237 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (7) - 2, .975) and 0.08883751933893279 = (379519.8004790329 - 345804.2028644689) / 379519.8004790329 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms
[Baseline](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Collections_Sort_String__List_Size__512__baseline_ee8513ca-f99b-4320-9123-ccc1f36c2180.log)
[Compare](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Collections_Sort_String__List_Size__512__compare_ee8513ca-f99b-4320-9123-ccc1f36c2180.log)
[Diff](https://perfsupport.azurewebsites.net/diff?old=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Collections_Sort_String__List_Size__512__baseline_ee8513ca-f99b-4320-9123-ccc1f36c2180.log&new=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Collections_Sort_String__List_Size__512__compare_ee8513ca-f99b-4320-9123-ccc1f36c2180.log)



### 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 | x86
OS | Windows 10.0.18362
Queue | TigerWindows
Baseline | [35cbe111b86cdb0581c257f85490cdcca735cedf](https://github.com/dotnet/runtime/commit/35cbe111b86cdb0581c257f85490cdcca735cedf)
Compare | [aa38055cca67d9ece504cef2adc8a19f0cb2ec8e](https://github.com/dotnet/runtime/commit/aa38055cca67d9ece504cef2adc8a19f0cb2ec8e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/35cbe111b86cdb0581c257f85490cdcca735cedf...aa38055cca67d9ece504cef2adc8a19f0cb2ec8e)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Threading.Tests.Perf_Lock

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ReaderWriterLockSlimPerf - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Threading.Tests.Perf_Lock.ReaderWriterLockSlimPerf.html>) | 28.81 ns | 23.56 ns | 0.82 | 0.04 | False | | | | [Trace](https://helixri107v0xdeko0k025g8.blob.core.windows.net/results-434c52a267034e43b5/Collect%20System.Threading.Tests.Perf_Lock.ReaderWriterLockSlimPerf/1/artifacts/BenchmarkDotNet.Artifacts/System.Threading.Tests.Perf_Lock.ReaderWriterLockSlimPerf-20230516-005302.etl?sv=2021-08-06&se=2023-08-14T07%3A50%3A27Z&sr=c&sp=rl&sig=vWtqBDP6twS8HqtuFeXhSMGNt%2BwlfBrbnSsZklXkv8Y%3D) | [Trace](https://helixri107v0xdeko0k025g8.blob.core.windows.net/results-dfa3ef0330634ebd82/Collect%20System.Threading.Tests.Perf_Lock.ReaderWriterLockSlimPerf/1/artifacts/BenchmarkDotNet.Artifacts/System.Threading.Tests.Perf_Lock.ReaderWriterLockSlimPerf-20230516-005158.etl?sv=2021-08-06&se=2023-08-14T07%3A50%3A27Z&sr=c&sp=rl&sig=WFMXOiztn6a3Vo%2B2SgLlKZFHan7zfMsHqFL32F3FXgw%3D)

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_16_2023/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Threading.Tests.Perf_Lock_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_16_2023/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Threading.Tests.Perf_Lock.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-389519c3-6aa8-484d-ba86-1f1e8e386c1ccbb391f253a425587/42893fd9-ba5b-46bf-b0c9-8561e5b6dc77.zip?sv=2021-08-06&se=2023-06-11T23%3A16%3A37Z&sr=c&sp=rl&sig=Fb%2FXmetF1avHhaYCCw%2B%2FNZkD%2FxAD5DCjlaqujc3ug%2Fc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-734d0148-2828-487a-b20a-6bdf826df995efa539ba3e04ee79d/e7440e3f-3bc9-4886-855b-93812453dd63.zip?sv=2021-08-06&se=2023-06-12T15%3A33%3A04Z&sr=c&sp=rl&sig=7XlqoORXc6oTnh5IjCj8XBdCv8X2NPlGIY5adfB%2BmCE%3D>)

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

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-389519c3-6aa8-484d-ba86-1f1e8e386c1ccbb391f253a425587/42893fd9-ba5b-46bf-b0c9-8561e5b6dc77.zip?sv=2021-08-06&se=2023-06-11T23%3A16%3A37Z&sr=c&sp=rl&sig=Fb%2FXmetF1avHhaYCCw%2B%2FNZkD%2FxAD5DCjlaqujc3ug%2Fc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-734d0148-2828-487a-b20a-6bdf826df995efa539ba3e04ee79d/e7440e3f-3bc9-4886-855b-93812453dd63.zip?sv=2021-08-06&se=2023-06-12T15%3A33%3A04Z&sr=c&sp=rl&sig=7XlqoORXc6oTnh5IjCj8XBdCv8X2NPlGIY5adfB%2BmCE%3D>)
### Histogram

#### System.Threading.Tests.Perf_Lock.ReaderWriterLockSlimPerf

```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 23.56087104369602 < 26.74311394760398.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 5/13/2023 1:49:08 AM, 5/16/2023 12:30:38 AM falls between 5/7/2023 5:11:33 AM and 5/16/2023 12:30:38 AM.
IsImprovementStdDev: Marked as improvement because 30.148663034321054 (T) = (0 -23.916114931256157) / Math.Sqrt((0.6455074536757064 / (299)) + (0.056716366198639595 / (7))) is greater than 1.9677981407170237 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (7) - 2, .975) and 0.11323613476929918 = (26.970105423763666 - 23.916114931256157) / 26.970105423763666 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms
[Baseline](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Threading_Tests_Perf_Lock_ReaderWriterLockSlimPerf_baseline_14741fc6-f485-4e0e-ab25-7daaffd2a4da.log)
[Compare](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Threading_Tests_Perf_Lock_ReaderWriterLockSlimPerf_compare_14741fc6-f485-4e0e-ab25-7daaffd2a4da.log)
[Diff](https://perfsupport.azurewebsites.net/diff?old=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Threading_Tests_Perf_Lock_ReaderWriterLockSlimPerf_baseline_14741fc6-f485-4e0e-ab25-7daaffd2a4da.log&new=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Threading_Tests_Perf_Lock_ReaderWriterLockSlimPerf_compare_14741fc6-f485-4e0e-ab25-7daaffd2a4da.log)



### 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 | x86
OS | Windows 10.0.18362
Queue | TigerWindows
Baseline | [35cbe111b86cdb0581c257f85490cdcca735cedf](https://github.com/dotnet/runtime/commit/35cbe111b86cdb0581c257f85490cdcca735cedf)
Compare | [aa38055cca67d9ece504cef2adc8a19f0cb2ec8e](https://github.com/dotnet/runtime/commit/aa38055cca67d9ece504cef2adc8a19f0cb2ec8e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/35cbe111b86cdb0581c257f85490cdcca735cedf...aa38055cca67d9ece504cef2adc8a19f0cb2ec8e)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Threading.Tasks.ValueTaskPerfTest

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[CreateAndAwait_FromResult_ConfigureAwait - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromResult_ConfigureAwait.html>) | 14.15 ns | 10.39 ns | 0.73 | 0.38 | False | 134.06709131788082 | 114.40923520739733 | 0.8533729946905942) | [Trace](https://helixri107v0xdeko0k025g8.blob.core.windows.net/results-5298346ebaf6468fb1/Collect%20System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromResult_ConfigureAwait/1/artifacts/BenchmarkDotNet.Artifacts/System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromResult_ConfigureAwait-20230516-005256.etl?sv=2021-08-06&se=2023-08-14T07%3A50%3A28Z&sr=c&sp=rl&sig=He6%2FXHd%2BJQimufi6VaiMkQwSnTW6sJHdtbyZPmpzyyA%3D) | [Trace](https://helixri107v0xdeko0k025g8.blob.core.windows.net/results-b110a38a0d244bccb6/Collect%20System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromResult_ConfigureAwait/1/artifacts/BenchmarkDotNet.Artifacts/System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromResult_ConfigureAwait-20230516-005253.etl?sv=2021-08-06&se=2023-08-14T07%3A50%3A27Z&sr=c&sp=rl&sig=n19%2FQV0%2B7PHIsyAYwUgMLX07SITdCh1%2BrWpJ%2Bfn2rZ8%3D)
[CreateAndAwait_FromDelayedTCS - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromDelayedTCS.html>) | 192.75 ns | 174.35 ns | 0.90 | 0.09 | False | 1304.250662721164 | 1167.2658963411511 | 0.8949705219284992) | [Trace](https://helixri107v0xdeko0k025g8.blob.core.windows.net/results-6702c48261484b4a90/Collect%20System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromDelayedTCS/1/artifacts/BenchmarkDotNet.Artifacts/System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromDelayedTCS-20230516-005309.etl?sv=2021-08-06&se=2023-08-14T07%3A50%3A31Z&sr=c&sp=rl&sig=tIKfJEWJ%2Fu1dLU1HEjWV363iqgZRdvZqlRyc6bbNQEk%3D) | [Trace](https://helixri107v0xdeko0k025g8.blob.core.windows.net/results-3e74200d90604e5fbd/Collect%20System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromDelayedTCS/1/artifacts/BenchmarkDotNet.Artifacts/System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromDelayedTCS-20230516-005208.etl?sv=2021-08-06&se=2023-08-14T07%3A50%3A30Z&sr=c&sp=rl&sig=zVMFeb0avF2LeU%2Fp1R66knH1Ebb%2B5fvXZgv9m6b9EnI%3D)
[CreateAndAwait_FromResult - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromResult.html>) | 13.19 ns | 10.36 ns | 0.78 | 0.40 | False | | | | [Trace](https://helixri107v0xdeko0k025g8.blob.core.windows.net/results-a94fb7592dc94da099/Collect%20System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromResult/1/artifacts/BenchmarkDotNet.Artifacts/System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromResult-20230516-005241.etl?sv=2021-08-06&se=2023-08-14T07%3A50%3A33Z&sr=c&sp=rl&sig=TxjrKJwAS4YZzlXzAMnajmTK16Y2faoknrXu8AP6Zqs%3D) | [Trace](https://helixri107v0xdeko0k025g8.blob.core.windows.net/results-04d66ed22db44af6ba/Collect%20System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromResult/1/artifacts/BenchmarkDotNet.Artifacts/System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromResult-20230516-005312.etl?sv=2021-08-06&se=2023-08-14T07%3A50%3A33Z&sr=c&sp=rl&sig=u6fJNssPcd2O3eFTbDyNfnfTPeh9lhw5CPD%2F3L%2Bv1Ko%3D)

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_16_2023/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Threading.Tasks.ValueTaskPerfTest_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_16_2023/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Threading.Tasks.ValueTaskPerfTest_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_16_2023/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Threading.Tasks.ValueTaskPerfTest_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_16_2023/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Threading.Tasks.ValueTaskPerfTest.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-389519c3-6aa8-484d-ba86-1f1e8e386c1ccbb391f253a425587/42893fd9-ba5b-46bf-b0c9-8561e5b6dc77.zip?sv=2021-08-06&se=2023-06-11T23%3A16%3A37Z&sr=c&sp=rl&sig=Fb%2FXmetF1avHhaYCCw%2B%2FNZkD%2FxAD5DCjlaqujc3ug%2Fc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-734d0148-2828-487a-b20a-6bdf826df995efa539ba3e04ee79d/e7440e3f-3bc9-4886-855b-93812453dd63.zip?sv=2021-08-06&se=2023-06-12T15%3A33%3A04Z&sr=c&sp=rl&sig=7XlqoORXc6oTnh5IjCj8XBdCv8X2NPlGIY5adfB%2BmCE%3D>)

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

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-389519c3-6aa8-484d-ba86-1f1e8e386c1ccbb391f253a425587/42893fd9-ba5b-46bf-b0c9-8561e5b6dc77.zip?sv=2021-08-06&se=2023-06-11T23%3A16%3A37Z&sr=c&sp=rl&sig=Fb%2FXmetF1avHhaYCCw%2B%2FNZkD%2FxAD5DCjlaqujc3ug%2Fc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-734d0148-2828-487a-b20a-6bdf826df995efa539ba3e04ee79d/e7440e3f-3bc9-4886-855b-93812453dd63.zip?sv=2021-08-06&se=2023-06-12T15%3A33%3A04Z&sr=c&sp=rl&sig=7XlqoORXc6oTnh5IjCj8XBdCv8X2NPlGIY5adfB%2BmCE%3D>)
### Histogram

#### System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromResult_ConfigureAwait

```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 10.389713634360824 < 12.724327267655568.
IsChangePoint: Marked as a change because one of 3/17/2023 1:30:52 PM, 5/13/2023 1:49:08 AM, 5/16/2023 12:30:38 AM falls between 5/7/2023 5:11:33 AM and 5/16/2023 12:30:38 AM.
IsImprovementStdDev: Marked as improvement because 29.879519105017387 (T) = (0 -10.507058408078567) / Math.Sqrt((1.376315617223371 / (299)) + (0.05576739201154755 / (7))) is greater than 1.9677981407170237 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (7) - 2, .975) and 0.241751325065907 = (13.857008598124937 - 10.507058408078567) / 13.857008598124937 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms
[Baseline](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Threading_Tasks_ValueTaskPerfTest_CreateAndAwait_FromResult_ConfigureAwait_baseline_ccf6baee-97de-4bce-97d1-88db03e0f011.log)
[Compare](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Threading_Tasks_ValueTaskPerfTest_CreateAndAwait_FromResult_ConfigureAwait_compare_ccf6baee-97de-4bce-97d1-88db03e0f011.log)
[Diff](https://perfsupport.azurewebsites.net/diff?old=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Threading_Tasks_ValueTaskPerfTest_CreateAndAwait_FromResult_ConfigureAwait_baseline_ccf6baee-97de-4bce-97d1-88db03e0f011.log&new=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Threading_Tasks_ValueTaskPerfTest_CreateAndAwait_FromResult_ConfigureAwait_compare_ccf6baee-97de-4bce-97d1-88db03e0f011.log)

#### System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromDelayedTCS

```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 174.3497629682349 < 183.68725208354934.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 5/13/2023 1:49:08 AM, 5/16/2023 12:30:38 AM falls between 5/7/2023 5:11:33 AM and 5/16/2023 12:30:38 AM.
IsImprovementStdDev: Marked as improvement because 26.0877130320443 (T) = (0 -174.4607944130299) / Math.Sqrt((47.95478962239706 / (299)) + (0.8062838094633422 / (7))) is greater than 1.9677981407170237 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (7) - 2, .975) and 0.07278353559053191 = (188.15541042419008 - 174.4607944130299) / 188.15541042419008 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms
[Baseline](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Threading_Tasks_ValueTaskPerfTest_CreateAndAwait_FromDelayedTCS_baseline_8661f759-cbe7-432d-b706-0c021c1595cc.log)
[Compare](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Threading_Tasks_ValueTaskPerfTest_CreateAndAwait_FromDelayedTCS_compare_8661f759-cbe7-432d-b706-0c021c1595cc.log)
[Diff](https://perfsupport.azurewebsites.net/diff?old=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Threading_Tasks_ValueTaskPerfTest_CreateAndAwait_FromDelayedTCS_baseline_8661f759-cbe7-432d-b706-0c021c1595cc.log&new=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Threading_Tasks_ValueTaskPerfTest_CreateAndAwait_FromDelayedTCS_compare_8661f759-cbe7-432d-b706-0c021c1595cc.log)

#### System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromResult

```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 10.355198108805123 < 12.739832325925398.
IsChangePoint: Marked as a change because one of 3/22/2023 4:29:55 AM, 5/13/2023 1:49:08 AM, 5/16/2023 12:30:38 AM falls between 5/7/2023 5:11:33 AM and 5/16/2023 12:30:38 AM.
IsImprovementStdDev: Marked as improvement because 28.266293780777243 (T) = (0 -10.45913716496663) / Math.Sqrt((1.3265660922083027 / (299)) + (0.07428620633450043 / (7))) is greater than 1.9677981407170237 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (7) - 2, .975) and 0.24898591692054262 = (13.926685798061197 - 10.45913716496663) / 13.926685798061197 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms
[Baseline](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Threading_Tasks_ValueTaskPerfTest_CreateAndAwait_FromResult_baseline_c7452137-714a-4a34-b2a0-af41dafed41b.log)
[Compare](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Threading_Tasks_ValueTaskPerfTest_CreateAndAwait_FromResult_compare_c7452137-714a-4a34-b2a0-af41dafed41b.log)
[Diff](https://perfsupport.azurewebsites.net/diff?old=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Threading_Tasks_ValueTaskPerfTest_CreateAndAwait_FromResult_baseline_c7452137-714a-4a34-b2a0-af41dafed41b.log&new=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Threading_Tasks_ValueTaskPerfTest_CreateAndAwait_FromResult_compare_c7452137-714a-4a34-b2a0-af41dafed41b.log)



### 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 | x86
OS | Windows 10.0.18362
Queue | TigerWindows
Baseline | [35cbe111b86cdb0581c257f85490cdcca735cedf](https://github.com/dotnet/runtime/commit/35cbe111b86cdb0581c257f85490cdcca735cedf)
Compare | [aa38055cca67d9ece504cef2adc8a19f0cb2ec8e](https://github.com/dotnet/runtime/commit/aa38055cca67d9ece504cef2adc8a19f0cb2ec8e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/35cbe111b86cdb0581c257f85490cdcca735cedf...aa38055cca67d9ece504cef2adc8a19f0cb2ec8e)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Tests.Perf_SByte

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ToString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Tests.Perf_SByte.ToString(value%3a%20-128).html>) | 17.27 ns | 14.50 ns | 0.84 | 0.33 | False | | | | [Trace](https://helixri107v0xdeko0k025g8.blob.core.windows.net/results-401f5dd62dde478685/Collect%20System.Tests.Perf_SByte.ToString_value%3A%20_128_/1/artifacts/BenchmarkDotNet.Artifacts/System.Tests.Perf_SByte.ToString%28value_%20-128%29-20230516-005318.etl?sv=2021-08-06&se=2023-08-14T07%3A50%3A28Z&sr=c&sp=rl&sig=0bi6vLrTtean0tE9myT30teo7yvnf2glkwkxxAQ%2Bchw%3D) | [Trace](https://helixri107v0xdeko0k025g8.blob.core.windows.net/results-4ac77dd90d624e4a82/Collect%20System.Tests.Perf_SByte.ToString_value%3A%20_128_/1/artifacts/BenchmarkDotNet.Artifacts/System.Tests.Perf_SByte.ToString%28value_%20-128%29-20230516-005249.etl?sv=2021-08-06&se=2023-08-14T07%3A50%3A28Z&sr=c&sp=rl&sig=rJ1hVj0xTPj0Oh%2FoJUUjrWGaLYWhC6BnIoRrl0aqiAY%3D)

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_16_2023/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Tests.Perf_SByte_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_16_2023/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Tests.Perf_SByte.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-389519c3-6aa8-484d-ba86-1f1e8e386c1ccbb391f253a425587/42893fd9-ba5b-46bf-b0c9-8561e5b6dc77.zip?sv=2021-08-06&se=2023-06-11T23%3A16%3A37Z&sr=c&sp=rl&sig=Fb%2FXmetF1avHhaYCCw%2B%2FNZkD%2FxAD5DCjlaqujc3ug%2Fc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-734d0148-2828-487a-b20a-6bdf826df995efa539ba3e04ee79d/e7440e3f-3bc9-4886-855b-93812453dd63.zip?sv=2021-08-06&se=2023-06-12T15%3A33%3A04Z&sr=c&sp=rl&sig=7XlqoORXc6oTnh5IjCj8XBdCv8X2NPlGIY5adfB%2BmCE%3D>)

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

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-389519c3-6aa8-484d-ba86-1f1e8e386c1ccbb391f253a425587/42893fd9-ba5b-46bf-b0c9-8561e5b6dc77.zip?sv=2021-08-06&se=2023-06-11T23%3A16%3A37Z&sr=c&sp=rl&sig=Fb%2FXmetF1avHhaYCCw%2B%2FNZkD%2FxAD5DCjlaqujc3ug%2Fc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-734d0148-2828-487a-b20a-6bdf826df995efa539ba3e04ee79d/e7440e3f-3bc9-4886-855b-93812453dd63.zip?sv=2021-08-06&se=2023-06-12T15%3A33%3A04Z&sr=c&sp=rl&sig=7XlqoORXc6oTnh5IjCj8XBdCv8X2NPlGIY5adfB%2BmCE%3D>)
### Histogram

#### System.Tests.Perf_SByte.ToString(value: -128)

```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 14.495912968831854 < 16.349643581188545.
IsChangePoint: Marked as a change because one of 3/25/2023 12:18:49 AM, 4/25/2023 8:51:41 AM, 5/13/2023 1:49:08 AM, 5/16/2023 12:30:38 AM falls between 5/7/2023 5:11:33 AM and 5/16/2023 12:30:38 AM.
IsImprovementStdDev: Marked as improvement because 16.805361322026467 (T) = (0 -14.636067654203185) / Math.Sqrt((1.0718669132560403 / (299)) + (0.07236648153431163 / (7))) is greater than 1.9677981407170237 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (7) - 2, .975) and 0.11931838160330692 = (16.61902252581197 - 14.636067654203185) / 16.61902252581197 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
### JIT Disasms
[Baseline](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Tests_Perf_SByte_ToString_value__-128__baseline_4b8baa61-cd9f-4256-b455-07c17b4152c4.log)
[Compare](https://pvscmdupload.z22.web.core.windows.net/autofilereport/jitdasms/05_16_2023/System_Tests_Perf_SByte_ToString_value__-128__compare_4b8baa61-cd9f-4256-b455-07c17b4152c4.log)
[Diff](https://perfsupport.azurewebsites.net/diff?old=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Tests_Perf_SByte_ToString_value__-128__baseline_4b8baa61-cd9f-4256-b455-07c17b4152c4.log&new=https%3A%2F%2Fpvscmdupload.blob.core.windows.net%2Fautofilereport%2Fjitdasms%2F05_16_2023%2FSystem_Tests_Perf_SByte_ToString_value__-128__compare_4b8baa61-cd9f-4256-b455-07c17b4152c4.log)



### 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	x86
OS	Windows 10.0.18362
Queue	TigerWindows
Baseline	35cbe111b86cdb0581c257f85490cdcca735cedf
Compare	aa38055cca67d9ece504cef2adc8a19f0cb2ec8e
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ToLower - Duration of single invocation	38.17 ns	33.06 ns	0.87	0.36	False	412.28884650853956	391.69855287331893	0.9500585722616822)
ToLower - Duration of single invocation	37.68 ns	32.98 ns	0.88	0.37	False	412.2597811940613	392.2727360552085	0.9515183240020099)

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Array_ComparerClass - Duration of single invocation	415.14 μs	366.97 μs	0.88	0.24	False	3000173.3333333335	2902373.3333333335	0.9674018834467342)	Trace	Trace
List - Duration of single invocation	379.41 μs	342.93 μs	0.90	0.25	False	2942031.3725490198	2843693.333333333	0.9665747822632886)	Trace	Trace

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
CreateAndAwait_FromResult_ConfigureAwait - Duration of single invocation	14.15 ns	10.39 ns	0.73	0.38	False	134.06709131788082	114.40923520739733	0.8533729946905942)	Trace	Trace
CreateAndAwait_FromDelayedTCS - Duration of single invocation	192.75 ns	174.35 ns	0.90	0.09	False	1304.250662721164	1167.2658963411511	0.8949705219284992)	Trace	Trace
CreateAndAwait_FromResult - Duration of single invocation	13.19 ns	10.36 ns	0.78	0.40	False				Trace	Trace

[Perf] Windows/x86: 13 Improvements on 5/13/2023 6:35:24 AM #17798

Description

Run Information

Improvements in System.Tests.Perf_String

Repro

Payloads

Payloads

Histogram

System.Tests.Perf_String.ToLower(s: "TEST")

Description of detection logic

JIT Disasms

System.Tests.Perf_String.ToLower(s: "TeSt")

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Collections.CtorFromCollection<String>

Repro

Payloads

Payloads

Histogram

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

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Threading.Tests.Perf_ThreadStatic

Repro

Payloads

Payloads

Histogram

System.Threading.Tests.Perf_ThreadStatic.GetThreadStatic

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Collections.Sort<String>

Repro

Payloads

Payloads

Histogram

System.Collections.Sort<String>.Array_ComparerClass(Size: 512)

Description of detection logic

JIT Disasms

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

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Threading.Tests.Perf_Lock

Repro

Payloads

Payloads

Histogram

System.Threading.Tests.Perf_Lock.ReaderWriterLockSlimPerf

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Threading.Tasks.ValueTaskPerfTest

Repro

Payloads

Payloads

Histogram

System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromResult_ConfigureAwait

Description of detection logic

JIT Disasms

System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromDelayedTCS

Description of detection logic

JIT Disasms

System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromResult

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Tests.Perf_SByte

Repro

Payloads

Payloads

Histogram