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[Perf] Windows/x86: 19 Regressions on 11/11/2022 10:59:41 PM #9752

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performanceautofiler bot opened this issue Nov 15, 2022 · 0 comments
Open

[Perf] Windows/x86: 19 Regressions on 11/11/2022 10:59:41 PM #9752

performanceautofiler bot opened this issue Nov 15, 2022 · 0 comments
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arch-x86 branch-refs/heads/main kind-micro os-windows perf-regression runtime-coreclr untriaged

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performanceautofiler bot commented Nov 15, 2022 •
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Run Information

Architecture x86
OS Windows 10.0.18362
Baseline ce0b82ea7a19957ad3796e7e9a92e393bf6e30cc
Compare 43272d63c80f1cf6247fec62c2e189aa763f63a7
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
Contains_ElementNotFound - Duration of single invocation 524.44 ns 573.64 ns 1.09 0.05 False
SingleWithPredicate_FirstElementMatches - Duration of single invocation 707.38 ns 770.30 ns 1.09 0.04 False
WhereAny_LastElementMatches - Duration of single invocation 714.47 ns 779.06 ns 1.09 0.02 False
Repeat - Duration of single invocation 398.96 ns 426.96 ns 1.07 0.04 False
AnyWithPredicate_LastElementMatches - Duration of single invocation 703.65 ns 767.67 ns 1.09 0.04 False
WhereSingle_LastElementMatches - Duration of single invocation 748.60 ns 810.48 ns 1.08 0.03 False
SelectToList - Duration of single invocation 393.19 ns 441.80 ns 1.12 0.03 False
AnyWithPredicate_LastElementMatches - Duration of single invocation 985.57 ns 1.05 μs 1.06 0.01 False
WhereFirst_LastElementMatches - Duration of single invocation 327.29 ns 387.00 ns 1.18 0.04 False
WhereLast_LastElementMatches - Duration of single invocation 330.08 ns 388.90 ns 1.18 0.04 False
Aggregate - Duration of single invocation 642.94 ns 702.82 ns 1.09 0.01 False

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Test Report

Repro

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

Related Issues

Regressions

Improvements

Payloads

Baseline
Compare

Histogram

Edge Detector Info

Collection Data

System.Linq.Tests.Perf_Enumerable.Contains_ElementNotFound(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.
IsRegressionWindowed: Marked as regression because 573.6350596148347 > 550.8201018751952.
IsChangePoint: Marked as a change because one of 9/27/2022 11:22:50 AM, 10/2/2022 11:57:04 PM, 10/6/2022 2:13:23 PM, 10/26/2022 7:11:30 AM, 11/7/2022 4:10:19 PM, 11/11/2022 5:53:56 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsRegressionStdDev: Marked as regression because -5.301670832234756 (T) = (0 -556.095749757029) / Math.Sqrt((970.5927565177122 / (42)) + (1846.0001993615845 / (12))) is less than -2.0066468050606243 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (42) + (12) - 2, .025) and -0.14523608534267868 = (485.57302452675816 - 556.095749757029) / 485.57302452675816 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

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

```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.
IsRegressionWindowed: Marked as regression because 770.2989085633264 > 743.1894008250797.
IsChangePoint: Marked as a change because one of 9/23/2022 1:16:35 AM, 11/7/2022 4:10:19 PM, 11/11/2022 5:53:56 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsRegressionStdDev: Marked as regression because -10.796768669156492 (T) = (0 -760.9589045175456) / Math.Sqrt((904.7016952743794 / (42)) + (586.3071398449023 / (12))) is less than -2.0066468050606243 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (42) + (12) - 2, .025) and -0.13513389759404518 = (670.369289588148 - 760.9589045175456) / 670.369289588148 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(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.
IsRegressionWindowed: Marked as regression because 779.0595806917353 > 749.7941524506331.
IsChangePoint: Marked as a change because one of 9/23/2022 1:16:35 AM, 10/3/2022 4:48:37 PM, 10/10/2022 3:36:43 PM, 11/2/2022 4:14:20 AM, 11/11/2022 5:53:56 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsRegressionStdDev: Marked as regression because -19.530491730457474 (T) = (0 -782.7783556842592) / Math.Sqrt((60.16957792777825 / (42)) + (121.12313904014881 / (12))) is less than -2.0066468050606243 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (42) + (12) - 2, .025) and -0.09254590627985804 = (716.4718216277392 - 782.7783556842592) / 716.4718216277392 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Linq.Tests.Perf_Enumerable.Repeat

```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.
IsRegressionWindowed: Marked as regression because 426.9604539202201 > 418.63955294944833.
IsChangePoint: Marked as a change because one of 9/9/2022 3:12:19 AM, 10/19/2022 7:27:15 PM, 11/7/2022 4:10:19 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsRegressionStdDev: Marked as regression because -25.65906394745129 (T) = (0 -426.6522517553326) / Math.Sqrt((1.4796025194634 / (16)) + (39.50423133156062 / (38))) is less than -2.0066468050606243 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (16) + (38) - 2, .025) and -0.0683628743434152 = (399.3514394793442 - 426.6522517553326) / 399.3514394793442 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

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

```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.
IsRegressionWindowed: Marked as regression because 767.671684679293 > 738.8491253910674.
IsChangePoint: Marked as a change because one of 9/13/2022 10:08:53 PM, 10/10/2022 3:36:43 PM, 10/25/2022 12:27:43 PM, 11/2/2022 4:14:20 AM, 11/7/2022 4:10:19 PM, 11/11/2022 5:53:56 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsRegressionStdDev: Marked as regression because -10.88787306537437 (T) = (0 -757.9092472239153) / Math.Sqrt((911.0466582625066 / (42)) + (583.2664565738944 / (12))) is less than -2.0066468050606243 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (42) + (12) - 2, .025) and -0.13694066253595052 = (666.6216384005439 - 757.9092472239153) / 666.6216384005439 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Linq.Tests.Perf_Enumerable.WhereSingle_LastElementMatches(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.
IsRegressionWindowed: Marked as regression because 810.4844530274657 > 787.380874412691.
IsChangePoint: Marked as a change because one of 9/23/2022 1:16:35 AM, 11/2/2022 4:14:20 AM, 11/11/2022 5:53:56 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsRegressionStdDev: Marked as regression because -15.312044661092347 (T) = (0 -808.43248053327) / Math.Sqrt((60.6905037439212 / (42)) + (145.516538334292 / (12))) is less than -2.0066468050606243 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (42) + (12) - 2, .025) and -0.0750090605874626 = (752.0238760513182 - 808.43248053327) / 752.0238760513182 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Linq.Tests.Perf_Enumerable.SelectToList(input: List)

```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.
IsRegressionWindowed: Marked as regression because 441.8038422112071 > 414.45241463112313.
IsChangePoint: Marked as a change because one of 11/7/2022 4:10:19 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsRegressionStdDev: Marked as regression because -24.41231122472524 (T) = (0 -440.18617421178266) / Math.Sqrt((4.128477683247721 / (16)) + (121.38544647859749 / (38))) is less than -2.0066468050606243 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (16) + (38) - 2, .025) and -0.11488463826431716 = (394.82665659209056 - 440.18617421178266) / 394.82665659209056 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Linq.Tests.Perf_Enumerable.AnyWithPredicate_LastElementMatches(input: List)

```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.
IsRegressionWindowed: Marked as regression because 1.047094388097797 > 1034.90172529789.
IsChangePoint: Marked as a change because one of 9/15/2022 1:09:14 PM, 9/29/2022 7:42:19 AM, 11/2/2022 4:14:20 AM, 11/11/2022 5:53:56 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsRegressionStdDev: Marked as regression because -15.817598025913101 (T) = (0 -1042.4103673344193) / Math.Sqrt((3.9521959711667725 / (41)) + (145.8211601058309 / (12))) is less than -2.007583770314729 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (41) + (12) - 2, .025) and -0.05608354877613697 = (987.0529358614069 - 1042.4103673344193) / 987.0529358614069 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.
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

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.
IsRegressionWindowed: Marked as regression because 386.99667388779227 > 341.9063986580971.
IsChangePoint: Marked as a change because one of 9/15/2022 1:09:14 PM, 9/29/2022 7:42:19 AM, 10/2/2022 11:57:04 PM, 10/19/2022 7:27:15 PM, 10/26/2022 7:11:30 AM, 11/2/2022 4:14:20 AM, 11/11/2022 5:53:56 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsRegressionStdDev: Marked as regression because -7.255177643783177 (T) = (0 -375.78108709084023) / Math.Sqrt((0.43814415426995656 / (42)) + (567.8601690759733 / (12))) is less than -2.0066468050606243 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (42) + (12) - 2, .025) and -0.15317435211582475 = (325.86667089964624 - 375.78108709084023) / 325.86667089964624 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

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

```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.
IsRegressionWindowed: Marked as regression because 388.90237969968774 > 346.0874802248295.
IsChangePoint: Marked as a change because one of 9/15/2022 1:09:14 PM, 10/2/2022 11:57:04 PM, 10/19/2022 7:27:15 PM, 10/26/2022 7:11:30 AM, 11/2/2022 4:14:20 AM, 11/11/2022 5:53:56 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsRegressionStdDev: Marked as regression because -7.572786585520868 (T) = (0 -379.0959231279381) / Math.Sqrt((0.9027335775787376 / (42)) + (543.3538376056121 / (12))) is less than -2.0066468050606243 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (42) + (12) - 2, .025) and -0.155334591510127 = (328.12652361808483 - 379.0959231279381) / 328.12652361808483 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Linq.Tests.Perf_Enumerable.Aggregate(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.
IsRegressionWindowed: Marked as regression because 702.8239154294345 > 675.324925416283.
IsChangePoint: Marked as a change because one of 9/1/2022 8:04:48 PM, 9/9/2022 3:12:19 AM, 9/13/2022 12:23:36 PM, 9/20/2022 10:35:57 PM, 10/2/2022 4:08:26 PM, 11/11/2022 5:53:56 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsRegressionStdDev: Marked as regression because -156.48619002577396 (T) = (0 -702.5837382427054) / Math.Sqrt((1.7016546491613567 / (42)) + (1.1942354216172761 / (12))) is less than -2.0066468050606243 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (42) + (12) - 2, .025) and -0.09092685558477619 = (644.0246059082441 - 702.5837382427054) / 644.0246059082441 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.
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 x86
OS Windows 10.0.18362
Baseline ce0b82ea7a19957ad3796e7e9a92e393bf6e30cc
Compare 43272d63c80f1cf6247fec62c2e189aa763f63a7
Diff Diff

Regressions in System.Tests.Perf_String

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Replace_Char - Duration of single invocation 18.49 ns 21.95 ns 1.19 0.16 False
IndexerCheckPathLength - Duration of single invocation 122.34 ns 144.17 ns 1.18 0.02 False
Replace_Char - Duration of single invocation 28.75 ns 31.68 ns 1.10 0.20 False
Replace_String - Duration of single invocation 29.86 ns 32.34 ns 1.08 0.17 False

graph
graph
graph
graph
Test Report

Repro

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

Related Issues

Regressions

Improvements

Payloads

Baseline
Compare

Histogram

Edge Detector Info

Collection Data

System.Tests.Perf_String.Replace_Char(text: "This is a very nice sentence", oldChar: 'i', newChar: 'I')

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.
IsRegressionWindowed: Marked as regression because 21.948492377714746 > 19.447180532639493.
IsChangePoint: Marked as a change because one of 11/2/2022 4:14:20 AM, 11/11/2022 5:53:56 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsRegressionStdDev: Marked as regression because -7.809862519143611 (T) = (0 -22.37005476332071) / Math.Sqrt((0.6955517794579567 / (41)) + (2.5305258783048092 / (12))) is less than -2.007583770314729 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (41) + (12) - 2, .025) and -0.19996923612688353 = (18.642190224412822 - 22.37005476332071) / 18.642190224412822 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Tests.Perf_String.IndexerCheckPathLength

```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.
IsRegressionWindowed: Marked as regression because 144.16919011435448 > 128.5875476467278.
IsChangePoint: Marked as a change because one of 10/2/2022 4:08:26 PM, 10/11/2022 5:13:36 PM, 10/19/2022 7:27:15 PM, 10/25/2022 12:27:43 PM, 11/11/2022 5:53:56 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsRegressionStdDev: Marked as regression because -7.453244360390374 (T) = (0 -140.69248187736898) / Math.Sqrt((0.10717422617767991 / (41)) + (69.10914297548102 / (12))) is less than -2.007583770314729 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (41) + (12) - 2, .025) and -0.1456852027976192 = (122.8020415501707 - 140.69248187736898) / 122.8020415501707 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Tests.Perf_String.Replace_Char(text: "yfesgj0sg1ijslnjsb3uofdz3tbzf6ysgblu3at20nfab2wei1kxfbvsbpzwhanjczcqa2psra3aacxb67qnwbnfp2tok6v0a58l", oldChar: 'b', newChar: '+')

```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.
IsRegressionWindowed: Marked as regression because 31.6767048302758 > 30.20042288575494.
IsChangePoint: Marked as a change because one of 11/3/2022 4:18:41 AM, 11/11/2022 5:53:56 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsRegressionStdDev: Marked as regression because -4.669621931022308 (T) = (0 -32.52599208601409) / Math.Sqrt((2.828391480736653 / (42)) + (4.486331477777518 / (12))) is less than -2.0066468050606243 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (42) + (12) - 2, .025) and -0.10541329283456746 = (29.42428166627975 - 32.52599208601409) / 29.42428166627975 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Tests.Perf_String.Replace_String(text: "This is a very nice sentence. This is another very nice sentence.", oldValue: "a", newValue: "b")

```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.
IsRegressionWindowed: Marked as regression because 32.33738688866722 > 31.28008860917174.
IsChangePoint: Marked as a change because one of 9/27/2022 10:14:47 PM, 9/28/2022 10:18:57 AM, 10/14/2022 11:50:37 PM, 10/15/2022 9:29:34 PM, 11/2/2022 4:14:20 AM, 11/11/2022 5:53:56 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsRegressionStdDev: Marked as regression because -12.588935040986636 (T) = (0 -32.43866216338107) / Math.Sqrt((0.38240934364777135 / (42)) + (0.4699206304102663 / (12))) is less than -2.0066468050606243 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (42) + (12) - 2, .025) and -0.09320612094103853 = (29.67296060824986 - 32.43866216338107) / 29.67296060824986 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.
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 x86
OS Windows 10.0.18362
Baseline ce0b82ea7a19957ad3796e7e9a92e393bf6e30cc
Compare 43272d63c80f1cf6247fec62c2e189aa763f63a7
Diff Diff

Regressions in System.Text.Json.Serialization.Tests.ReadJson<Location>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
DeserializeFromString - Duration of single invocation 1.57 μs 1.69 μs 1.07 0.03 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Serialization.Tests.ReadJson&lt;Location&gt;*'

Related Issues

Regressions

Improvements

Payloads

Baseline
Compare

Histogram

Edge Detector Info

Collection Data

System.Text.Json.Serialization.Tests.ReadJson<Location>.DeserializeFromString

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.
IsRegressionWindowed: Marked as regression because 1.6853443128904224 > 1.6449864372142602.
IsChangePoint: Marked as a change because one of 11/11/2022 5:53:56 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsRegressionStdDev: Marked as regression because -6.615140466243204 (T) = (0 -1662.6055368656391) / Math.Sqrt((312.1005346240919 / (42)) + (2867.0451157763546 / (12))) is less than -2.0066468050606243 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (42) + (12) - 2, .025) and -0.06660894896669019 = (1558.7770367727917 - 1662.6055368656391) / 1558.7770367727917 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.
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 x86
OS Windows 10.0.18362
Baseline ce0b82ea7a19957ad3796e7e9a92e393bf6e30cc
Compare 43272d63c80f1cf6247fec62c2e189aa763f63a7
Diff Diff

Regressions in System.Memory.Span<Byte>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
EndsWith - Duration of single invocation 10.03 ns 11.74 ns 1.17 0.17 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Memory.Span&lt;Byte&gt;*'

Related Issues

Regressions

Improvements

Payloads

Baseline
Compare

Histogram

Edge Detector Info

Collection Data

System.Memory.Span<Byte>.EndsWith(Size: 512)

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.
IsRegressionWindowed: Marked as regression because 11.741743760757318 > 10.67558236408075.
IsChangePoint: Marked as a change because one of 9/29/2022 7:42:19 AM, 10/2/2022 5:38:34 AM, 10/11/2022 5:13:36 PM, 11/11/2022 5:53:56 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsRegressionStdDev: Marked as regression because -6.343659257205852 (T) = (0 -11.853800788740783) / Math.Sqrt((0.1296384513947955 / (42)) + (0.6438113875746471 / (12))) is less than -2.0066468050606243 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (42) + (12) - 2, .025) and -0.14609611319498342 = (10.342763274622602 - 11.853800788740783) / 10.342763274622602 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.
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 x86
OS Windows 10.0.18362
Baseline ce0b82ea7a19957ad3796e7e9a92e393bf6e30cc
Compare 43272d63c80f1cf6247fec62c2e189aa763f63a7
Diff Diff

Regressions in System.Diagnostics.Perf_Activity

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
EnumerateActivityLinksLarge - Duration of single invocation 17.54 μs 24.02 μs 1.37 0.05 False
EnumerateActivityLinksSmall - Duration of single invocation 86.54 ns 108.39 ns 1.25 0.05 False

graph
graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Diagnostics.Perf_Activity*'

Related Issues

Regressions

Improvements

Payloads

Baseline
Compare

Histogram

Edge Detector Info

Collection Data

System.Diagnostics.Perf_Activity.EnumerateActivityLinksLarge

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.
IsRegressionWindowed: Marked as regression because 24.018541344667693 > 18.429943467546874.
IsChangePoint: Marked as a change because one of 10/2/2022 11:57:04 PM, 10/6/2022 11:18:47 AM, 11/11/2022 5:53:56 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsRegressionStdDev: Marked as regression because -18.315908771134506 (T) = (0 -23639.85103471238) / Math.Sqrt((77730.81753587486 / (42)) + (1199644.3783900014 / (12))) is less than -2.0066468050606243 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (42) + (12) - 2, .025) and -0.32842847290107435 = (17795.351061007255 - 23639.85103471238) / 17795.351061007255 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Diagnostics.Perf_Activity.EnumerateActivityLinksSmall

```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.
IsRegressionWindowed: Marked as regression because 108.38583215046131 > 90.9629621709078.
IsChangePoint: Marked as a change because one of 10/2/2022 11:57:04 PM, 10/6/2022 11:18:47 AM, 11/11/2022 5:53:56 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsRegressionStdDev: Marked as regression because -20.55380944986669 (T) = (0 -106.785683052173) / Math.Sqrt((1.4210359355039532 / (42)) + (10.714466153650228 / (12))) is less than -2.0066468050606243 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (42) + (12) - 2, .025) and -0.22742958362020327 = (86.99943726076518 - 106.785683052173) / 86.99943726076518 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository
This was referenced Nov 15, 2022
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