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performanceautofiler bot opened this issue Jul 12, 2022 · 1 comment
Closed

[Perf] Changes at 7/9/2022 11:03:07 AM #6728

performanceautofiler bot opened this issue Jul 12, 2022 · 1 comment
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arch-x64 branch-refs/heads/main kind-micro os-linux perf-improvement runtime-coreclr

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performanceautofiler bot commented Jul 12, 2022 •
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Run Information

Architecture x64
OS ubuntu 18.04
Baseline a4b5376ae65d81c71898801772655c79dea7cfc9
Compare d344e72a84b98d84b3e34d37e9c59cf04930cf5b
Diff Diff

Improvements in System.Collections.ContainsFalse<Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
List - Duration of single invocation 21.05 μs 19.61 μs 0.93 0.08 False
Span - Duration of single invocation 21.85 μs 15.96 μs 0.73 0.06 False
Array - Duration of single invocation 24.42 μs 19.91 μs 0.82 0.06 False
Queue - Duration of single invocation 25.20 μs 21.40 μs 0.85 0.37 False

graph
graph
graph
graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.ContainsFalse&lt;Int32&gt;*'

Payloads

Baseline
Compare

Histogram

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

Description of detection logic

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 19.613666423567544 < 19.988377445368076.
IsChangePoint: Marked as a change because one of 6/6/2022 10:51:35 AM, 6/7/2022 6:20:49 PM, 7/7/2022 8:07:51 AM, 7/9/2022 7:28:50 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 9.893541282816582 (T) = (0 -18424.668387916943) / Math.Sqrt((1758315.4921175977 / (299)) + (2299801.9931612774 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.16409309640041578 = (22041.53154923903 - 18424.668387916943) / 22041.53154923903 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.ContainsFalse&lt;Int32&gt;.Span(Size: 512)

```log

Description of detection logic

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 15.956796763506626 < 21.173704951799714.
IsChangePoint: Marked as a change because one of 5/11/2022 11:37:12 AM, 5/15/2022 3:27:46 PM, 6/23/2022 8:35:19 AM, 7/9/2022 7:28:50 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 31.03696742451474 (T) = (0 -16911.083113592525) / Math.Sqrt((898058.5010502768 / (299)) + (387123.33245943894 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.2231992059607872 = (21770.167130826667 - 16911.083113592525) / 21770.167130826667 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.ContainsFalse&lt;Int32&gt;.Array(Size: 512)

```log

Description of detection logic

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 19.91145036664856 < 23.20537522375866.
IsChangePoint: Marked as a change because one of 5/20/2022 10:18:01 PM, 5/25/2022 1:42:32 AM, 5/31/2022 6:06:22 PM, 6/6/2022 10:12:27 PM, 6/21/2022 5:13:43 PM, 7/9/2022 11:03:07 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 14.025783158623344 (T) = (0 -19183.893961531212) / Math.Sqrt((1856868.0590143572 / (299)) + (1217168.6165255862 / (17))) is greater than 1.9675476980854363 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (17) - 2, .975) and 0.16939422028461537 = (23096.268326118276 - 19183.893961531212) / 23096.268326118276 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.ContainsFalse&lt;Int32&gt;.Queue(Size: 512)

```log

Description of detection logic

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 21.399525159598724 < 23.964579884968277.
IsChangePoint: Marked as a change because one of 7/9/2022 7:28:50 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 26.250432319759103 (T) = (0 -21248.770228850808) / Math.Sqrt((2866722.107034016 / (299)) + (643359.4889320763 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.20824926714482453 = (26837.702002781178 - 21248.770228850808) / 26837.702002781178 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

### Run Information
Architecture x64
OS ubuntu 18.04
Baseline a4b5376ae65d81c71898801772655c79dea7cfc9
Compare d344e72a84b98d84b3e34d37e9c59cf04930cf5b
Diff Diff

Improvements in System.Collections.ContainsTrue<Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ImmutableArray - Duration of single invocation 20.42 μs 17.43 μs 0.85 0.26 False
Queue - Duration of single invocation 20.35 μs 17.18 μs 0.84 0.20 False
Array - Duration of single invocation 20.50 μs 15.58 μs 0.76 0.07 False
Stack - Duration of single invocation 44.17 μs 37.13 μs 0.84 0.03 False
Span - Duration of single invocation 16.87 μs 14.97 μs 0.89 0.08 False
ICollection - Duration of single invocation 18.71 μs 16.34 μs 0.87 0.07 False
List - Duration of single invocation 18.51 μs 14.35 μs 0.78 0.08 False

graph
graph
graph
graph
graph
graph
graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.ContainsTrue&lt;Int32&gt;*'

Payloads

Baseline
Compare

Histogram

System.Collections.ContainsTrue<Int32>.ImmutableArray(Size: 512)

Description of detection logic

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 17.434601031215163 < 19.27826431859599.
IsChangePoint: Marked as a change because one of 7/8/2022 9:55:09 PM, 7/9/2022 7:28:50 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 16.720346820149118 (T) = (0 -17084.509607826207) / Math.Sqrt((1900805.6984376688 / (299)) + (350386.33721693745 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.1358977413195275 = (19771.3979291237 - 17084.509607826207) / 19771.3979291237 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.ContainsTrue&lt;Int32&gt;.Queue(Size: 512)

```log

Description of detection logic

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 17.17507250875737 < 19.285755914890988.
IsChangePoint: Marked as a change because one of 6/23/2022 8:35:19 AM, 7/9/2022 7:28:50 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 17.24805763442453 (T) = (0 -16118.156574548642) / Math.Sqrt((1133357.331993097 / (299)) + (631116.0556098801 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.17418708664443425 = (19517.92750376711 - 16118.156574548642) / 19517.92750376711 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.ContainsTrue&lt;Int32&gt;.Array(Size: 512)

```log

Description of detection logic

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 15.5812739500497 < 19.621415556334657.
IsChangePoint: Marked as a change because one of 5/9/2022 3:10:19 PM, 5/9/2022 10:19:44 PM, 6/23/2022 8:35:19 AM, 7/9/2022 7:28:50 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 19.736393181308085 (T) = (0 -16603.36982434116) / Math.Sqrt((694494.1472379067 / (299)) + (426039.8722351528 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.1608209821513781 = (19785.253767315015 - 16603.36982434116) / 19785.253767315015 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.ContainsTrue&lt;Int32&gt;.Stack(Size: 512)

```log

Description of detection logic

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 37.1311499456951 < 41.965711084571474.
IsChangePoint: Marked as a change because one of 5/9/2022 11:56:12 AM, 5/20/2022 10:18:01 PM, 5/25/2022 1:42:32 AM, 5/31/2022 6:06:22 PM, 6/6/2022 10:12:27 PM, 6/21/2022 5:13:43 PM, 7/10/2022 1:04:01 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 17.8946219518023 (T) = (0 -37134.16432240498) / Math.Sqrt((12539508.2174849 / (299)) + (291.5653872151264 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.08984331940105213 = (40799.74922336235 - 37134.16432240498) / 40799.74922336235 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.ContainsTrue&lt;Int32&gt;.Span(Size: 512)

```log

Description of detection logic

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 14.967602789857555 < 16.89118344530458.
IsChangePoint: Marked as a change because one of 5/31/2022 6:06:22 PM, 6/6/2022 10:12:27 PM, 6/21/2022 5:13:43 PM, 7/9/2022 7:28:50 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 19.177095738020085 (T) = (0 -14775.867713846521) / Math.Sqrt((2843105.745696776 / (299)) + (359677.1055103243 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.18225890883040183 = (18069.127103192164 - 14775.867713846521) / 18069.127103192164 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.ContainsTrue&lt;Int32&gt;.ICollection(Size: 512)

```log

Description of detection logic

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 16.34428559502736 < 17.621993693310664.
IsChangePoint: Marked as a change because one of 6/23/2022 8:35:19 AM, 7/9/2022 7:28:50 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 24.357651565354406 (T) = (0 -15855.81006907048) / Math.Sqrt((579193.8980978553 / (299)) + (333825.6294623981 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.18023285731224267 = (19341.846291965656 - 15855.81006907048) / 19341.846291965656 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.ContainsTrue&lt;Int32&gt;.List(Size: 512)

```log

Description of detection logic

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 14.353217553595398 < 17.580569699839113.
IsChangePoint: Marked as a change because one of 5/31/2022 6:06:22 PM, 6/6/2022 10:12:27 PM, 6/21/2022 5:13:43 PM, 7/9/2022 7:28:50 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 19.860470918967604 (T) = (0 -15429.267140053582) / Math.Sqrt((1747445.0474270978 / (299)) + (517076.9823195819 / (17))) is greater than 1.9675476980854363 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (17) - 2, .975) and 0.19685834632426966 = (19211.14048740793 - 15429.267140053582) / 19211.14048740793 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

Run Information

Architecture x64
OS ubuntu 18.04
Baseline a4b5376ae65d81c71898801772655c79dea7cfc9
Compare d344e72a84b98d84b3e34d37e9c59cf04930cf5b
Diff Diff

Improvements in System.Linq.Tests.Perf_Enumerable

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Contains_ElementNotFound - Duration of single invocation 14.97 ns 12.71 ns 0.85 0.02 False
WhereFirst_LastElementMatches - Duration of single invocation 212.61 ns 190.81 ns 0.90 0.04 False
WhereAny_LastElementMatches - Duration of single invocation 210.91 ns 189.40 ns 0.90 0.03 False
SelectToArray - Duration of single invocation 218.62 ns 198.13 ns 0.91 0.03 False
WhereSelect - Duration of single invocation 1.07 μs 998.05 ns 0.93 0.05 False

graph
graph
graph
graph
graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Linq.Tests.Perf_Enumerable*'

Payloads

Baseline
Compare

Histogram

System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound(input: ICollection)

Description of detection logic

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 12.708483424320816 < 14.213319143706883.
IsChangePoint: Marked as a change because one of 7/9/2022 7:28:50 AM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 24.01486247316527 (T) = (0 -12.749402186971729) / Math.Sqrt((0.11889448773336035 / (299)) + (0.11701639347971127 / (18))) is greater than 1.9675235316906419 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (18) - 2, .975) and 0.13528299981645042 = (14.744017041720552 - 12.749402186971729) / 14.744017041720552 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Linq.Tests.Perf_Enumerable.WhereFirst_LastElementMatches(input: Array)

```log

Description of detection logic

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 190.8064244738519 < 202.01071685333133.
IsChangePoint: Marked as a change because one of 5/9/2022 11:56:12 AM, 5/20/2022 10:18:01 PM, 5/25/2022 1:42:32 AM, 5/31/2022 6:06:22 PM, 6/6/2022 10:12:27 PM, 6/20/2022 2:50:37 PM, 6/23/2022 8:35:19 AM, 7/6/2022 7:05:00 PM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 17.744249661882428 (T) = (0 -191.6575484776794) / Math.Sqrt((97.09124714430635 / (299)) + (13.517897102523662 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.0709527004728566 = (206.29471564604646 - 191.6575484776794) / 206.29471564604646 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input: Array)

```log

Description of detection logic

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 189.3994378129665 < 200.1632975454815.
IsChangePoint: Marked as a change because one of 5/20/2022 10:18:01 PM, 5/25/2022 1:42:32 AM, 5/31/2022 6:06:22 PM, 6/6/2022 10:12:27 PM, 6/20/2022 2:50:37 PM, 6/23/2022 8:35:19 AM, 7/6/2022 7:05:00 PM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 16.447129484058397 (T) = (0 -189.49620960031118) / Math.Sqrt((127.59302505495886 / (299)) + (14.950288541313837 / (37))) is greater than 1.9670919629190173 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (37) - 2, .975) and 0.07331119129409587 = (204.4874264370771 - 189.49620960031118) / 204.4874264370771 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Linq.Tests.Perf_Enumerable.SelectToArray(input: Range)

```log

Description of detection logic

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 198.13144404289645 < 208.84294412580346.
IsChangePoint: Marked as a change because one of 5/11/2022 9:09:01 PM, 5/20/2022 10:18:01 PM, 5/25/2022 1:42:32 AM, 5/31/2022 6:06:22 PM, 6/6/2022 10:12:27 PM, 6/20/2022 2:50:37 PM, 6/23/2022 8:35:19 AM, 7/6/2022 7:05:00 PM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 17.4206221278458 (T) = (0 -199.18644618582366) / Math.Sqrt((99.95839092274393 / (299)) + (15.589943949489491 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.07017134025069309 = (214.21844131963704 - 199.18644618582366) / 214.21844131963704 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Linq.Tests.Perf_Enumerable.WhereSelect(input: IEnumerable)

```log

Description of detection logic

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 998.0505764712163 < 1.0178900675814753.
IsChangePoint: Marked as a change because one of 5/9/2022 11:56:12 AM, 5/11/2022 11:37:12 AM, 5/20/2022 10:18:01 PM, 5/25/2022 1:42:32 AM, 5/31/2022 6:06:22 PM, 6/6/2022 10:12:27 PM, 7/6/2022 7:05:00 PM, 7/12/2022 6:44:07 AM falls between 7/3/2022 4:26:07 AM and 7/12/2022 6:44:07 AM.
IsImprovementStdDev: Marked as improvement because 17.784317128451345 (T) = (0 -995.7033264408022) / Math.Sqrt((1123.341453450884 / (299)) + (195.380404332929 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.05058522481777478 = (1048.7548250443992 - 995.7033264408022) / 1048.7548250443992 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

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Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository
@AndyAyersMS
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Looks like some actual improvements (most of the above are historically quite noisy).

Possibly from dotnet/runtime#71598

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