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[Perf] Linux/x64: 19 Regressions on 5/5/2023 3:18:41 PM #17581

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performanceautofiler bot opened this issue May 9, 2023 · 1 comment
Closed

[Perf] Linux/x64: 19 Regressions on 5/5/2023 3:18:41 PM #17581

performanceautofiler bot opened this issue May 9, 2023 · 1 comment
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@AndyAyersMS
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arch-x64 branch-refs/heads/main kind-micro os-linux perf-regression PGO Applied if there were any profile guided optimization updates in the observed interval. runtime-coreclr

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performanceautofiler bot commented May 9, 2023 •
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Run Information

Name Value
Architecture x64
OS ubuntu 18.04
Queue TigerUbuntu
Baseline b7c4ad80a32cdbcd2f87c20e5c7368c4043b02e4
Compare 640df60d36910d86691b9fbdb0aadb7724fa8493
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_Int32

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ParseSpan - Duration of single invocation 9.99 ns 11.28 ns 1.13 0.30 False
TryFormat - Duration of single invocation 15.03 ns 17.18 ns 1.14 0.08 False
TryParseSpan - Duration of single invocation 12.78 ns 15.51 ns 1.21 0.10 False
TryParseSpan - Duration of single invocation 15.76 ns 20.59 ns 1.31 0.18 False
Parse - Duration of single invocation 9.97 ns 11.63 ns 1.17 0.32 False
Parse - Duration of single invocation 15.40 ns 19.05 ns 1.24 0.13 False
TryParse - Duration of single invocation 12.12 ns 14.47 ns 1.19 0.11 False
TryParseSpan - Duration of single invocation 10.11 ns 11.56 ns 1.14 0.30 False
Parse - Duration of single invocation 12.48 ns 14.51 ns 1.16 0.12 False
TryParse - Duration of single invocation 15.24 ns 19.23 ns 1.26 0.13 False
TryParse - Duration of single invocation 16.71 ns 19.28 ns 1.15 0.24 False
TryParseSpan - Duration of single invocation 16.39 ns 20.89 ns 1.27 0.29 False
Parse - Duration of single invocation 15.98 ns 20.34 ns 1.27 0.17 False
ParseSpan - Duration of single invocation 15.49 ns 19.43 ns 1.25 0.14 False

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Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

Payloads

Baseline
Compare

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_Int32*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Int32.ParseSpan(value: "4")

Description of detection logic

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.
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 11.280925395635565 > 10.477940238172256.
IsChangePoint: Marked as a change because one of 4/17/2023 6:40:18 PM, 5/4/2023 10:13:35 PM, 5/8/2023 3:52:55 PM falls between 4/29/2023 8:32:21 PM and 5/8/2023 3:52:55 PM.
IsRegressionStdDev: Marked as regression because -10.076017216560343 (T) = (0 -11.455162394498984) / Math.Sqrt((0.13772821223737208 / (33)) + (0.10704953481283527 / (11))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (33) + (11) - 2, .025) and -0.11572759072833111 = (10.2669885460314 - 11.455162394498984) / 10.2669885460314 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.

JIT Disasms

System.Tests.Perf_Int32.TryFormat(value: -2147483648)

Description of detection logic

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.
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 17.180713809269474 > 15.281483730601728.
IsChangePoint: Marked as a change because one of 4/6/2023 1:55:21 PM, 4/12/2023 4:44:56 PM, 5/3/2023 7:05:50 AM, 5/8/2023 3:52:55 PM falls between 4/29/2023 8:32:21 PM and 5/8/2023 3:52:55 PM.
IsRegressionStdDev: Marked as regression because -18.806958731275877 (T) = (0 -17.55875930612121) / Math.Sqrt((0.4650424939758278 / (26)) + (0.08480279956835575 / (18))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (26) + (18) - 2, .025) and -0.19191050522349148 = (14.731608815570278 - 17.55875930612121) / 14.731608815570278 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.

JIT Disasms

System.Tests.Perf_Int32.TryParseSpan(value: "12345")

Description of detection logic

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.
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 15.505463219821461 > 12.915002483598721.
IsChangePoint: Marked as a change because one of 4/18/2023 3:11:52 AM, 5/2/2023 9:04:55 PM, 5/8/2023 3:52:55 PM falls between 4/29/2023 8:32:21 PM and 5/8/2023 3:52:55 PM.
IsRegressionStdDev: Marked as regression because -13.821466707694329 (T) = (0 -14.890864529910605) / Math.Sqrt((0.10396634362527271 / (24)) + (0.5179569489209591 / (20))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (20) - 2, .025) and -0.19243624271937673 = (12.487765799496051 - 14.890864529910605) / 12.487765799496051 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.

JIT Disasms

System.Tests.Perf_Int32.TryParseSpan(value: "2147483647")

Description of detection logic

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.
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 20.586328660366185 > 16.38055862757471.
IsChangePoint: Marked as a change because one of 5/2/2023 3:18:41 PM, 5/8/2023 3:52:55 PM falls between 4/29/2023 8:32:21 PM and 5/8/2023 3:52:55 PM.
IsRegressionStdDev: Marked as regression because -15.111480275735529 (T) = (0 -19.164768640062285) / Math.Sqrt((0.10237325284853044 / (23)) + (1.0140498115577847 / (21))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (23) + (21) - 2, .025) and -0.22112005741511426 = (15.694418025227234 - 19.164768640062285) / 15.694418025227234 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.

JIT Disasms

System.Tests.Perf_Int32.Parse(value: "4")

Description of detection logic

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.
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 11.631702988621194 > 10.494289951623754.
IsChangePoint: Marked as a change because one of 4/17/2023 6:40:18 PM, 5/5/2023 3:18:41 PM, 5/8/2023 3:52:55 PM falls between 4/29/2023 8:32:21 PM and 5/8/2023 3:52:55 PM.
IsRegressionStdDev: Marked as regression because -4.529977388297254 (T) = (0 -11.589586076636264) / Math.Sqrt((1.6704575785742757 / (34)) + (0.25366227214909415 / (10))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (34) + (10) - 2, .025) and -0.11942445259984344 = (10.353165012359392 - 11.589586076636264) / 10.353165012359392 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.

JIT Disasms

System.Tests.Perf_Int32.Parse(value: "2147483647")

Description of detection logic

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.
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 19.054802877022432 > 16.457818814310492.
IsChangePoint: Marked as a change because one of 5/2/2023 3:18:41 PM, 5/8/2023 3:52:55 PM falls between 4/29/2023 8:32:21 PM and 5/8/2023 3:52:55 PM.
IsRegressionStdDev: Marked as regression because -14.318676403623614 (T) = (0 -18.864237479397577) / Math.Sqrt((0.02306689130755081 / (23)) + (1.0375233829410264 / (21))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (23) + (21) - 2, .025) and -0.205427068151287 = (15.64942249747956 - 18.864237479397577) / 15.64942249747956 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.

JIT Disasms

System.Tests.Perf_Int32.TryParse(value: "12345")

Description of detection logic

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.
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 14.468825252642176 > 13.139235013760434.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 5/5/2023 3:18:41 PM, 5/8/2023 3:52:55 PM falls between 4/29/2023 8:32:21 PM and 5/8/2023 3:52:55 PM.
IsRegressionStdDev: Marked as regression because -8.579779815796346 (T) = (0 -14.424554020427266) / Math.Sqrt((1.1465016268228274 / (33)) + (0.048374561055938015 / (10))) is less than -2.019540970439573 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (33) + (10) - 2, .025) and -0.13421695868615227 = (12.717632116113215 - 14.424554020427266) / 12.717632116113215 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.

JIT Disasms

System.Tests.Perf_Int32.TryParseSpan(value: "4")

Description of detection logic

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.
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 11.561359639114093 > 10.668573291652683.
IsChangePoint: Marked as a change because one of 4/17/2023 6:40:18 PM, 5/4/2023 2:44:24 AM, 5/8/2023 3:52:55 PM falls between 4/29/2023 8:32:21 PM and 5/8/2023 3:52:55 PM.
IsRegressionStdDev: Marked as regression because -7.859686932989766 (T) = (0 -11.548492423373862) / Math.Sqrt((0.18218417043239407 / (30)) + (0.2162271032722418 / (14))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (30) + (14) - 2, .025) and -0.11090575226298195 = (10.395564520076421 - 11.548492423373862) / 10.395564520076421 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.

JIT Disasms

System.Tests.Perf_Int32.Parse(value: "12345")

Description of detection logic

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.
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 14.508069903362955 > 12.970966568020335.
IsChangePoint: Marked as a change because one of 4/19/2023 4:18:46 AM, 5/5/2023 3:18:41 PM, 5/8/2023 3:52:55 PM falls between 4/29/2023 8:32:21 PM and 5/8/2023 3:52:55 PM.
IsRegressionStdDev: Marked as regression because -10.829803039268537 (T) = (0 -14.645703287519561) / Math.Sqrt((0.6568807112343475 / (34)) + (0.10162697118180714 / (10))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (34) + (10) - 2, .025) and -0.14543331242363466 = (12.786168455787758 - 14.645703287519561) / 12.786168455787758 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.

JIT Disasms

System.Tests.Perf_Int32.TryParse(value: "2147483647")

Description of detection logic

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.
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 19.234790709119174 > 15.942474250237641.
IsChangePoint: Marked as a change because one of 5/2/2023 3:18:41 PM, 5/5/2023 3:18:41 PM, 5/8/2023 3:52:55 PM falls between 4/29/2023 8:32:21 PM and 5/8/2023 3:52:55 PM.
IsRegressionStdDev: Marked as regression because -14.807851983744087 (T) = (0 -19.272730197842044) / Math.Sqrt((1.1893843315069428 / (34)) + (0.14335715253183023 / (10))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (34) + (10) - 2, .025) and -0.2057312925595438 = (15.984266408919034 - 19.272730197842044) / 15.984266408919034 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.

JIT Disasms

System.Tests.Perf_Int32.TryParse(value: "-2147483648")

Description of detection logic

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.
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 19.283843790349547 > 16.91770343091454.
IsChangePoint: Marked as a change because one of 3/3/2023 4:59:02 PM, 3/14/2023 10:43:28 AM, 4/6/2023 6:23:49 AM, 5/2/2023 3:18:41 PM, 5/8/2023 3:52:55 PM falls between 4/29/2023 8:32:21 PM and 5/8/2023 3:52:55 PM.
IsRegressionStdDev: Marked as regression because -15.71191219723415 (T) = (0 -19.06384281523727) / Math.Sqrt((0.381639840666366 / (23)) + (0.5019919785697479 / (21))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (23) + (21) - 2, .025) and -0.19883436015974046 = (15.901982332819589 - 19.06384281523727) / 15.901982332819589 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.

JIT Disasms

System.Tests.Perf_Int32.TryParseSpan(value: "-2147483648")

Description of detection logic

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.
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 20.89140781157722 > 16.68826199466834.
IsChangePoint: Marked as a change because one of 5/2/2023 3:18:41 PM, 5/8/2023 3:52:55 PM falls between 4/29/2023 8:32:21 PM and 5/8/2023 3:52:55 PM.
IsRegressionStdDev: Marked as regression because -18.954052816351563 (T) = (0 -19.920305423749507) / Math.Sqrt((0.16388209054845024 / (23)) + (0.6964295922379959 / (21))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (23) + (21) - 2, .025) and -0.23606970932104876 = (16.115843041482975 - 19.920305423749507) / 16.115843041482975 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.

JIT Disasms

System.Tests.Perf_Int32.Parse(value: "-2147483648")

Description of detection logic

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.
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 20.341075548296615 > 16.583473941007593.
IsChangePoint: Marked as a change because one of 5/3/2023 7:05:50 AM, 5/8/2023 3:52:55 PM falls between 4/29/2023 8:32:21 PM and 5/8/2023 3:52:55 PM.
IsRegressionStdDev: Marked as regression because -17.0916827544833 (T) = (0 -19.57136205474641) / Math.Sqrt((0.42801029756008674 / (26)) + (0.4269558851943736 / (18))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (26) + (18) - 2, .025) and -0.21220406169634198 = (16.145270151428555 - 19.57136205474641) / 16.145270151428555 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.

JIT Disasms

System.Tests.Perf_Int32.ParseSpan(value: "2147483647")

Description of detection logic

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.
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 19.429732297963533 > 16.261018954545523.
IsChangePoint: Marked as a change because one of 5/2/2023 3:18:41 PM, 5/5/2023 3:18:41 PM, 5/8/2023 3:52:55 PM falls between 4/29/2023 8:32:21 PM and 5/8/2023 3:52:55 PM.
IsRegressionStdDev: Marked as regression because -17.207705802740417 (T) = (0 -19.392722064660255) / Math.Sqrt((1.1005495769876572 / (34)) + (0.03881482392494158 / (10))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (34) + (10) - 2, .025) and -0.2032877560694817 = (16.11644593476646 - 19.392722064660255) / 16.11644593476646 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.

JIT Disasms

Docs

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

Run Information

Name Value
Architecture x64
OS ubuntu 18.04
Queue TigerUbuntu
Baseline b7c4ad80a32cdbcd2f87c20e5c7368c4043b02e4
Compare 640df60d36910d86691b9fbdb0aadb7724fa8493
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

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
ToArray - Duration of single invocation 37.23 ns 40.60 ns 1.09 0.01 False
Count - Duration of single invocation 2.82 ns 4.08 ns 1.45 0.15 True
SelectToList - Duration of single invocation 223.36 ns 243.44 ns 1.09 0.01 False
ElementAt - Duration of single invocation 6.12 ns 8.04 ns 1.31 0.08 True

graph
graph
graph
graph
Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

Payloads

Baseline
Compare

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Linq.Tests.Perf_Enumerable*'

Payloads

Baseline
Compare

Histogram

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

Description of detection logic

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.
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 40.59626503143276 > 39.09237575932394.
IsChangePoint: Marked as a change because one of 3/5/2023 5:11:19 AM, 5/4/2023 10:13:35 PM, 5/8/2023 3:52:55 PM falls between 4/29/2023 8:32:21 PM and 5/8/2023 3:52:55 PM.
IsRegressionStdDev: Marked as regression because -14.09337264592922 (T) = (0 -39.67091408237314) / Math.Sqrt((0.34104927239489446 / (33)) + (0.15271559126263462 / (11))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (33) + (11) - 2, .025) and -0.058521022968132934 = (37.47768180468858 - 39.67091408237314) / 37.47768180468858 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.

JIT Disasms

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

Description of detection logic

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.
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 4.0779124526707005 > 3.1975842740647953.
IsChangePoint: Marked as a change because one of 5/2/2023 3:18:41 PM, 5/5/2023 3:18:41 PM, 5/8/2023 3:52:55 PM falls between 4/29/2023 8:32:21 PM and 5/8/2023 3:52:55 PM.
IsRegressionStdDev: Marked as regression because -12.397262863291457 (T) = (0 -3.899328775586986) / Math.Sqrt((0.05456694144665357 / (34)) + (0.02749980115383742 / (10))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (34) + (10) - 2, .025) and -0.26551716160487404 = (3.0812136681276026 - 3.899328775586986) / 3.0812136681276026 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.

JIT Disasms

System.Linq.Tests.Perf_Enumerable.SelectToList(input: Array)

Description of detection logic

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.
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 243.43902966617355 > 234.49279248711773.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 5/2/2023 3:18:41 PM, 5/8/2023 3:52:55 PM falls between 4/29/2023 8:32:21 PM and 5/8/2023 3:52:55 PM.
IsRegressionStdDev: Marked as regression because -37.559153382541474 (T) = (0 -239.743557006111) / Math.Sqrt((2.3768233112777333 / (22)) + (1.7940827268743096 / (21))) is less than -2.019540970439573 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (21) - 2, .025) and -0.07400881260906662 = (223.22308177686838 - 239.743557006111) / 223.22308177686838 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.

JIT Disasms

System.Linq.Tests.Perf_Enumerable.ElementAt(input: IList)

Description of detection logic

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.
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 8.040094537403384 > 6.427518602071101.
IsChangePoint: Marked as a change because one of 5/5/2023 3:18:41 PM, 5/8/2023 3:52:55 PM falls between 4/29/2023 8:32:21 PM and 5/8/2023 3:52:55 PM.
IsRegressionStdDev: Marked as regression because -23.624963302622312 (T) = (0 -8.087232724047098) / Math.Sqrt((0.18655542218738297 / (34)) + (0.008404360229561649 / (10))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (34) + (10) - 2, .025) and -0.30271314168519886 = (6.207991970961003 - 8.087232724047098) / 6.207991970961003 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.

JIT Disasms

Docs

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

Run Information

Name Value
Architecture x64
OS ubuntu 18.04
Queue TigerUbuntu
Baseline b7c4ad80a32cdbcd2f87c20e5c7368c4043b02e4
Compare 640df60d36910d86691b9fbdb0aadb7724fa8493
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.IterateForEach<Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ImmutableQueue - Duration of single invocation 3.28 μs 3.71 μs 1.13 0.27 False

graph
Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

Payloads

Baseline
Compare

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.IterateForEach&lt;Int32&gt;*'

Payloads

Baseline
Compare

Histogram

System.Collections.IterateForEach<Int32>.ImmutableQueue(Size: 512)

Description of detection logic

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.
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 3.7054472739677267 > 3.438194482295943.
IsChangePoint: Marked as a change because one of 3/4/2023 1:07:20 AM, 3/14/2023 10:43:28 AM, 5/4/2023 10:13:35 PM, 5/8/2023 3:52:55 PM falls between 4/29/2023 8:32:21 PM and 5/8/2023 3:52:55 PM.
IsRegressionStdDev: Marked as regression because -13.797160662232498 (T) = (0 -3677.5160169619344) / Math.Sqrt((17957.930424482358 / (32)) + (4566.288880084215 / (11))) is less than -2.019540970439573 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (32) + (11) - 2, .025) and -0.13279394310738016 = (3246.4121470089235 - 3677.5160169619344) / 3246.4121470089235 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.

JIT Disasms

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository
@performanceautofiler performanceautofiler bot added arch-x64 branch-refs/heads/main kind-micro os-linux perf-regression PGO Applied if there were any profile guided optimization updates in the observed interval. runtime-coreclr untriaged labels May 9, 2023
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Suspiciously similar to dotnet/runtime#85989.

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