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[Perf] Changes at 5/31/2022 9:21:33 PM #5830

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performanceautofiler bot opened this issue Jun 7, 2022 · 1 comment
Closed

[Perf] Changes at 5/31/2022 9:21:33 PM #5830

performanceautofiler bot opened this issue Jun 7, 2022 · 1 comment
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@AndyAyersMS
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arch-x64 branch-refs/heads/main kind-micro os-linux perf-regression runtime-coreclr

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performanceautofiler bot commented Jun 7, 2022 •
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Run Information

Architecture x64
OS ubuntu 18.04
Baseline 6010dc0604a9f2708dba8d21f57d97b613dfcabe
Compare 8a043bf7adb0fbf5e60a8dd557c98686bc0a8377
Diff Diff

Regressions in System.Numerics.Tests.Perf_Plane

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
CreateFromVerticesBenchmark - Duration of single invocation 6.21 ns 7.53 ns 1.21 0.03 True

graph
Test Report

Repro

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

Payloads

Baseline
Compare

Histogram

System.Numerics.Tests.Perf_Plane.CreateFromVerticesBenchmark

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 7.526236246084562 > 6.520962915101968.
IsChangePoint: Marked as a change because one of 5/31/2022 6:06:22 PM, 6/7/2022 5:42:36 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 5:42:36 AM.
IsRegressionStdDev: Marked as regression because -11.85359159026451 (T) = (0 -7.520423202918158) / Math.Sqrt((0.29271792862648693 / (29)) + (0.0002742893492608121 / (42))) is less than -1.9949454151066512 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (42) - 2, .025) and -0.18822251352557443 = (6.329137108002031 - 7.520423202918158) / 6.329137108002031 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as 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 6010dc0604a9f2708dba8d21f57d97b613dfcabe
Compare 8a043bf7adb0fbf5e60a8dd557c98686bc0a8377
Diff Diff

Regressions in System.Numerics.Tests.Perf_Matrix4x4

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
CreateConstrainedBillboardBenchmark - Duration of single invocation 23.45 ns 26.30 ns 1.12 0.03 True
CreateLookAtBenchmark - Duration of single invocation 24.55 ns 26.02 ns 1.06 0.03 False
CreateShadowBenchmark - Duration of single invocation 16.47 ns 25.08 ns 1.52 0.08 True

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.Numerics.Tests.Perf_Matrix4x4*'

Payloads

Baseline
Compare

Histogram

System.Numerics.Tests.Perf_Matrix4x4.CreateConstrainedBillboardBenchmark

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 26.296878690407482 > 24.67154119025946.
IsChangePoint: Marked as a change because one of 5/31/2022 6:06:22 PM, 6/7/2022 5:42:36 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 5:42:36 AM.
IsRegressionStdDev: Marked as regression because -33.29244738696109 (T) = (0 -26.640529692391198) / Math.Sqrt((0.20662525175249138 / (29)) + (0.042705009527433016 / (42))) is less than -1.9949454151066512 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (42) - 2, .025) and -0.12709334938475347 = (23.636489122159638 - 26.640529692391198) / 23.636489122159638 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_Matrix4x4.CreateLookAtBenchmark

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 26.01744108037384 > 25.49426787973687.
IsChangePoint: Marked as a change because one of 5/31/2022 6:06:22 PM, 6/7/2022 5:42:36 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 5:42:36 AM.
IsRegressionStdDev: Marked as regression because -25.85198984655538 (T) = (0 -26.107192810553112) / Math.Sqrt((0.11301455608488624 / (29)) + (0.03314003686957058 / (42))) is less than -1.9949454151066512 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (42) - 2, .025) and -0.07271500377616764 = (24.33749198869286 - 26.107192810553112) / 24.33749198869286 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_Matrix4x4.CreateShadowBenchmark

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 25.08326198114475 > 17.195389910933883.
IsChangePoint: Marked as a change because one of 5/31/2022 6:06:22 PM, 6/7/2022 5:42:36 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 5:42:36 AM.
IsRegressionStdDev: Marked as regression because -48.57859845625541 (T) = (0 -25.379498525714375) / Math.Sqrt((0.019298662696035303 / (29)) + (1.4053994073520488 / (42))) is less than -1.9949454151066512 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (42) - 2, .025) and -0.547031741291039 = (16.405286231900135 - 25.379498525714375) / 16.405286231900135 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as 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 6010dc0604a9f2708dba8d21f57d97b613dfcabe
Compare 8a043bf7adb0fbf5e60a8dd557c98686bc0a8377
Diff Diff

Regressions in System.Text.Json.Tests.Utf8JsonReaderCommentsTests

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Utf8JsonReaderCommentParsing - Duration of single invocation 8.99 μs 10.37 μs 1.15 0.02 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Tests.Utf8JsonReaderCommentsTests*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Tests.Utf8JsonReaderCommentsTests.Utf8JsonReaderCommentParsing(CommentHandling: Skip, SegmentSize: 0, TestCase: LongMultiLine)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 10.374004041248607 > 9.442879312420734.
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, 6/7/2022 5:42:36 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 5:42:36 AM.
IsRegressionStdDev: Marked as regression because -98.74870798687883 (T) = (0 -10233.300131712716) / Math.Sqrt((158.49592384095368 / (29)) + (6364.806844267391 / (42))) is less than -1.9949454151066512 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (42) - 2, .025) and -0.13754533437573593 = (8995.94927997183 - 10233.300131712716) / 8995.94927997183 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
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 6010dc0604a9f2708dba8d21f57d97b613dfcabe
Compare 8a043bf7adb0fbf5e60a8dd557c98686bc0a8377
Diff Diff

Regressions 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
Max - Duration of single invocation 324.81 ns 348.21 ns 1.07 0.02 False
Min - Duration of single invocation 347.62 ns 372.00 ns 1.07 0.02 False
Sum - Duration of single invocation 345.67 ns 368.10 ns 1.06 0.23 False
Average - Duration of single invocation 347.32 ns 368.59 ns 1.06 0.01 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.Linq.Tests.Perf_Enumerable*'

Payloads

Baseline
Compare

Histogram

System.Linq.Tests.Perf_Enumerable.Max(input: IEnumerable)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 348.2056717863848 > 340.80921452554225.
IsChangePoint: Marked as a change because one of 4/22/2022 6:17:37 AM, 4/25/2022 11:05:49 AM, 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, 6/7/2022 5:42:36 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 5:42:36 AM.
IsRegressionStdDev: Marked as regression because -171.92023399268763 (T) = (0 -346.3118667762703) / Math.Sqrt((0.2268179239058378 / (29)) + (0.33024436290801823 / (42))) is less than -1.9949454151066512 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (42) - 2, .025) and -0.06629310466182874 = (324.78111812052083 - 346.3118667762703) / 324.78111812052083 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

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

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 372.0008183545384 > 363.08806816468234.
IsChangePoint: Marked as a change because one of 4/13/2022 5:30:39 PM, 5/9/2022 11:56:12 AM, 6/2/2022 5:58:32 PM, 6/7/2022 5:42:36 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 5:42:36 AM.
IsRegressionStdDev: Marked as regression because -112.6344756312482 (T) = (0 -371.9607771807175) / Math.Sqrt((0.2866747939972107 / (42)) + (1.3757100325465579 / (29))) is less than -1.9949454151066512 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (42) + (29) - 2, .025) and -0.07589242233703704 = (345.7230197539174 - 371.9607771807175) / 345.7230197539174 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

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

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 368.0994765244521 > 362.9081770677975.
IsChangePoint: Marked as a change because one of 3/29/2022 5:31:54 PM, 5/30/2022 12:57:05 PM, 6/7/2022 5:42:36 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 5:42:36 AM.
IsRegressionStdDev: Marked as regression because -9.641309560309201 (T) = (0 -368.3493379014683) / Math.Sqrt((77.446916803685 / (21)) + (1.051334106927872 / (50))) is less than -1.9949454151066512 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (50) - 2, .025) and -0.05308431749190501 = (349.7814294478844 - 368.3493379014683) / 349.7814294478844 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

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

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 368.59368391958054 > 366.1053115478828.
IsChangePoint: Marked as a change because one of 3/30/2022 6:37:35 PM, 4/13/2022 5:30:39 PM, 5/11/2022 7:02:26 PM, 6/2/2022 5:58:32 PM, 6/7/2022 5:42:36 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 5:42:36 AM.
IsRegressionStdDev: Marked as regression because -45.82973139841635 (T) = (0 -368.83035575076997) / Math.Sqrt((7.267756610198625 / (42)) + (0.2856117469179834 / (29))) is less than -1.9949454151066512 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (42) + (29) - 2, .025) and -0.056121615678860565 = (349.2309505602637 - 368.83035575076997) / 349.2309505602637 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
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 6010dc0604a9f2708dba8d21f57d97b613dfcabe
Compare 8a043bf7adb0fbf5e60a8dd557c98686bc0a8377
Diff Diff

Regressions in System.Text.Perf_Utf8Encoding

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
GetBytes - Duration of single invocation 135.79 μs 166.84 μs 1.23 0.02 False
GetByteCount - Duration of single invocation 18.49 μs 22.67 μs 1.23 0.08 False
GetByteCount - Duration of single invocation 6.85 μs 8.85 μs 1.29 0.04 False
GetByteCount - Duration of single invocation 8.08 μs 10.19 μs 1.26 0.03 False
GetByteCount - Duration of single invocation 8.61 μs 11.15 μs 1.29 0.03 False
GetBytes - Duration of single invocation 102.38 μs 110.93 μs 1.08 0.10 False

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.Text.Perf_Utf8Encoding*'

Payloads

Baseline
Compare

Histogram

System.Text.Perf_Utf8Encoding.GetBytes(Input: Chinese)

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 166.844961056231 > 141.918797423222.
IsChangePoint: Marked as a change because one of 4/16/2022 5:36:25 PM, 5/31/2022 6:06:22 PM, 6/7/2022 5:42:36 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 5:42:36 AM.
IsRegressionStdDev: Marked as regression because -278.52235205060174 (T) = (0 -167004.3854393171) / Math.Sqrt((327164.8710804946 / (29)) + (88762.51431610607 / (42))) is less than -1.9949454151066512 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (42) - 2, .025) and -0.23918826219935785 = (134769.17957801782 - 167004.3854393171) / 134769.17957801782 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Perf_Utf8Encoding.GetByteCount(Input: EnglishMostlyAscii)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 22.670829758918615 > 19.409420512103992.
IsChangePoint: Marked as a change because one of 4/22/2022 6:17:37 AM, 5/31/2022 6:06:22 PM, 6/7/2022 5:42:36 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 5:42:36 AM.
IsRegressionStdDev: Marked as regression because -74.99774738663649 (T) = (0 -22796.77415123931) / Math.Sqrt((90516.85837747356 / (29)) + (7458.46122159515 / (42))) is less than -1.9949454151066512 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (42) - 2, .025) and -0.2329758468141802 = (18489.23010952945 - 22796.77415123931) / 18489.23010952945 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Perf_Utf8Encoding.GetByteCount(Input: Cyrillic)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 8.849491984003397 > 7.144559665251394.
IsChangePoint: Marked as a change because one of 4/22/2022 6:17:37 AM, 5/31/2022 6:06:22 PM, 6/7/2022 5:42:36 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 5:42:36 AM.
IsRegressionStdDev: Marked as regression because -135.35224634530522 (T) = (0 -8848.793429852529) / Math.Sqrt((6590.666026389746 / (29)) + (271.2855396157572 / (42))) is less than -1.9949454151066512 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (42) - 2, .025) and -0.30522307935273396 = (6779.525714669929 - 8848.793429852529) / 6779.525714669929 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Perf_Utf8Encoding.GetByteCount(Input: Chinese)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 10.186527226400697 > 8.483059621206182.
IsChangePoint: Marked as a change because one of 4/22/2022 6:17:37 AM, 5/31/2022 6:06:22 PM, 6/7/2022 5:42:36 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 5:42:36 AM.
IsRegressionStdDev: Marked as regression because -484.0841652592913 (T) = (0 -10195.839449882416) / Math.Sqrt((109.1276275360826 / (29)) + (643.7730528965013 / (42))) is less than -1.9949454151066512 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (42) - 2, .025) and -0.26174870607639716 = (8080.72114580403 - 10195.839449882416) / 8080.72114580403 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Perf_Utf8Encoding.GetByteCount(Input: Greek)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 11.145574719551282 > 9.315920586298828.
IsChangePoint: Marked as a change because one of 4/22/2022 6:17:37 AM, 5/31/2022 6:06:22 PM, 6/7/2022 5:42:36 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 5:42:36 AM.
IsRegressionStdDev: Marked as regression because -103.95785180041226 (T) = (0 -11157.428472040468) / Math.Sqrt((12845.927484079313 / (29)) + (1706.141462055753 / (42))) is less than -1.9949454151066512 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (42) - 2, .025) and -0.2576943524993957 = (8871.335432068603 - 11157.428472040468) / 8871.335432068603 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.Perf_Utf8Encoding.GetBytes(Input: EnglishMostlyAscii)

```log

Description of detection logic

IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 110.92825773632177 > 107.881599459331.
IsChangePoint: Marked as a change because one of 5/31/2022 6:06:22 PM, 6/7/2022 5:42:36 AM falls between 5/29/2022 5:15:01 PM and 6/7/2022 5:42:36 AM.
IsRegressionStdDev: Marked as regression because -58.23766844391784 (T) = (0 -112650.81268139931) / Math.Sqrt((515288.2454478294 / (29)) + (447794.81900307065 / (42))) is less than -1.9949454151066512 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (29) + (42) - 2, .025) and -0.0954927010420959 = (102831.18506790539 - 112650.81268139931) / 102831.18506790539 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

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