[Perf] Windows/arm64: 8 Regressions on 10/10/2023 10:07:15 PM

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	Windows 10.0.25094
Queue	AmpereWindows
Baseline	94f212275b2f51ca67025d677d7d5c5bc75f670f
Compare	21c52fa8ce11fab02d4b166718f6165553c6977c
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in PerfLabTests.GetMember

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
GetMethod2 - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	229.23 μs	278.95 μs	1.22	0.66	False
GetMethod20 - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	2.16 ms	3.05 ms	1.41	0.66	False
GetMethod10 - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	923.86 μs	1.30 ms	1.40	0.71	False
GetMethod4 - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	408.99 μs	551.08 μs	1.35	0.72	False
GetMethod15 - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	1.23 ms	2.14 ms	1.73	0.73	False
GetMethod5 - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	543.87 μs	699.56 μs	1.29	0.67	False
GetMethod3 - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	329.28 μs	422.71 μs	1.28	0.67	False
GetMethod1 - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	111.99 μs	131.06 μs	1.17	0.65	False

Test Report

Repro

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

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'PerfLabTests.GetMember*'

Payloads

Baseline
Compare

PerfLabTests.GetMember.GetMethod2

ETL Files

Histogram

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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 6/10/2023 7:23:52 PM, 10/10/2023 9:10:48 AM, 10/18/2023 4:42:02 PM falls between 10/9/2023 8:09:24 PM and 10/18/2023 4:42:02 PM.
IsRegressionStdDev: Marked as regression because -4.459674461736913 (T) = (0 -264042.36033579684) / Math.Sqrt((392079560.65118194 / (5)) + (775467226.9039414 / (9))) is less than -2.1788128296721325 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (5) + (9) - 2, .025) and -0.27661572756966607 = (206829.94469953983 - 264042.36033579684) / 206829.94469953983 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

PerfLabTests.GetMember.GetMethod20

ETL Files

Histogram

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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 6/27/2023 11:39:34 PM, 10/10/2023 10:07:15 PM, 10/18/2023 4:42:02 PM falls between 10/9/2023 8:09:24 PM and 10/18/2023 4:42:02 PM.
IsRegressionStdDev: Marked as regression because -11.628323913723367 (T) = (0 -2955359.491692556) / Math.Sqrt((742157966.9472466 / (6)) + (35285855576.73732 / (8))) is less than -2.1788128296721325 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (6) + (8) - 2, .025) and -0.36045617453349005 = (2172329.801587302 - 2955359.491692556) / 2172329.801587302 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

PerfLabTests.GetMember.GetMethod10

ETL Files

Histogram

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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 6/12/2023 3:15:58 AM, 10/10/2023 10:07:15 PM, 10/18/2023 4:42:02 PM falls between 10/9/2023 8:09:24 PM and 10/18/2023 4:42:02 PM.
IsRegressionStdDev: Marked as regression because -7.801133860289967 (T) = (0 -1430150.758701475) / Math.Sqrt((13225631872.110914 / (6)) + (11193525693.205357 / (8))) is less than -2.1788128296721325 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (6) + (8) - 2, .025) and -0.486863179405092 = (961857.6735982472 - 1430150.758701475) / 961857.6735982472 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

PerfLabTests.GetMember.GetMethod4

ETL Files

Histogram

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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 5/29/2023 11:58:32 PM, 10/10/2023 10:07:15 PM, 10/18/2023 4:42:02 PM falls between 10/9/2023 8:09:24 PM and 10/18/2023 4:42:02 PM.
IsRegressionStdDev: Marked as regression because -3.6833307518174503 (T) = (0 -535858.6248548761) / Math.Sqrt((1765704567.459964 / (6)) + (5657612672.094955 / (8))) is less than -2.1788128296721325 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (6) + (8) - 2, .025) and -0.2779991190815051 = (419294.98765225784 - 535858.6248548761) / 419294.98765225784 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

PerfLabTests.GetMember.GetMethod15

ETL Files

Histogram

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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 6/11/2023 3:10:18 PM, 10/10/2023 10:07:15 PM, 10/18/2023 4:42:02 PM falls between 10/9/2023 8:09:24 PM and 10/18/2023 4:42:02 PM.
IsRegressionStdDev: Marked as regression because -2.848586993591527 (T) = (0 -2077482.1774585051) / Math.Sqrt((91150450524.93959 / (6)) + (53428864232.28678 / (8))) is less than -2.1788128296721325 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (6) + (8) - 2, .025) and -0.25435516960957844 = (1656215.2632616225 - 2077482.1774585051) / 1656215.2632616225 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

PerfLabTests.GetMember.GetMethod5

ETL Files

Histogram

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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 6/13/2023 3:51:19 AM, 10/10/2023 10:07:15 PM, 10/18/2023 4:42:02 PM falls between 10/9/2023 8:09:24 PM and 10/18/2023 4:42:02 PM.
IsRegressionStdDev: Marked as regression because -6.3674723968419835 (T) = (0 -696872.9465356988) / Math.Sqrt((607845109.825464 / (6)) + (3483812927.239461 / (8))) is less than -2.1788128296721325 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (6) + (8) - 2, .025) and -0.26854665394612137 = (549347.5106870582 - 696872.9465356988) / 549347.5106870582 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

PerfLabTests.GetMember.GetMethod3

ETL Files

Histogram

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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 6/11/2023 3:10:18 PM, 10/12/2023 9:32:39 AM, 10/18/2023 4:42:02 PM falls between 10/9/2023 8:09:24 PM and 10/18/2023 4:42:02 PM.
IsRegressionStdDev: Marked as regression because -6.684243205443568 (T) = (0 -438044.2593221049) / Math.Sqrt((1456211424.4889925 / (8)) + (594518373.3932192 / (6))) is less than -2.1788128296721325 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (8) + (6) - 2, .025) and -0.3438035565002878 = (325973.4335447944 - 438044.2593221049) / 325973.4335447944 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

PerfLabTests.GetMember.GetMethod1

ETL Files

Histogram

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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 6/10/2023 2:06:10 PM, 10/10/2023 10:07:15 PM, 10/18/2023 4:42:02 PM falls between 10/9/2023 8:09:24 PM and 10/18/2023 4:42:02 PM.
IsRegressionStdDev: Marked as regression because -9.284397473751284 (T) = (0 -139982.83766913263) / Math.Sqrt((15504475.479851577 / (6)) + (68136313.83119854 / (8))) is less than -2.1788128296721325 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (6) + (8) - 2, .025) and -0.2836719145777052 = (109048.76556030546 - 139982.83766913263) / 109048.76556030546 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