Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

[Perf] Alpine/x64: 13 Regressions on 4/9/2023 11:24:15 AM #17041

Open
performanceautofiler bot opened this issue Apr 25, 2023 · 1 comment
Open

[Perf] Alpine/x64: 13 Regressions on 4/9/2023 11:24:15 AM #17041

performanceautofiler bot opened this issue Apr 25, 2023 · 1 comment
Assignees
@kunalspathak
Labels
arch-x64 branch-refs/heads/main kind-micro os-alpine perf-regression runtime-coreclr untriaged

Comments

@performanceautofiler
Copy link

performanceautofiler bot commented Apr 25, 2023 •
edited
Loading

Run Information

Name Value
Architecture x64
OS alpine 3.15
Queue TigerAlpine
Baseline 0fc78e62bb0b8d824efe7421983702b97a60def6
Compare 86b48d7c6f081c12dcc9c048fb53de1b78c9966f
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Buffers.Text.Tests.Utf8FormatterTests

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
FormatterUInt64 - Duration of single invocation 4.84 ns 24.62 ns 5.08 0.05 True
FormatterInt32 - Duration of single invocation 11.39 ns 49.69 ns 4.36 0.07 True
FormatterInt64 - Duration of single invocation 21.69 ns 92.74 ns 4.28 0.02 True
FormatterUInt64 - Duration of single invocation 21.17 ns 96.21 ns 4.54 0.00 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Text.Tests.Utf8FormatterTests*'

Payloads

Baseline
Compare

Histogram

System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt64(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 24.615791292360118 > 5.0854480634519295.
IsChangePoint: Marked as a change because one of 4/9/2023 1:38:49 AM, 4/12/2023 4:44:56 PM falls between 4/3/2023 9:14:01 PM and 4/12/2023 4:44:56 PM.
IsRegressionStdDev: Marked as regression because -597.9257067123061 (T) = (0 -24.452980764699994) / Math.Sqrt((0.0014184848567328388 / (42)) + (0.01462768420156284 / (14))) is less than -2.0048792881871513 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (42) + (14) - 2, .025) and -4.077652897763685 = (4.815803926942239 - 24.452980764699994) / 4.815803926942239 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.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt32(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 49.68609659839048 > 11.984473629177993.
IsChangePoint: Marked as a change because one of 4/9/2023 4:09:45 AM, 4/12/2023 4:44:56 PM falls between 4/3/2023 9:14:01 PM and 4/12/2023 4:44:56 PM.
IsRegressionStdDev: Marked as regression because -684.9150488849963 (T) = (0 -49.63539372021156) / Math.Sqrt((0.10166308876723898 / (40)) + (0.007778566877493761 / (14))) is less than -2.0066468050606243 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (40) + (14) - 2, .025) and -3.309289863608422 = (11.518230448914135 - 49.63539372021156) / 11.518230448914135 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.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt64(value: -9223372036854775808)

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 92.74210569853682 > 22.76125653026426.
IsChangePoint: Marked as a change because one of 4/9/2023 4:09:45 AM, 4/12/2023 4:44:56 PM falls between 4/3/2023 9:14:01 PM and 4/12/2023 4:44:56 PM.
IsRegressionStdDev: Marked as regression because -1440.898360699107 (T) = (0 -92.67864516674818) / Math.Sqrt((0.07053963132289197 / (37)) + (0.007234553119645117 / (14))) is less than -2.0095752371279447 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (37) + (14) - 2, .025) and -3.2613760764056985 = (21.748525242794095 - 92.67864516674818) / 21.748525242794095 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.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt64(value: 18446744073709551615)

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 96.20574048055006 > 22.22707995122859.
IsChangePoint: Marked as a change because one of 4/9/2023 4:09:45 AM, 4/12/2023 4:44:56 PM falls between 4/3/2023 9:14:01 PM and 4/12/2023 4:44:56 PM.
IsRegressionStdDev: Marked as regression because -1687.8332127326285 (T) = (0 -96.1873343647662) / Math.Sqrt((0.044655874873626836 / (41)) + (0.012368792169418929 / (14))) is less than -2.005745995316835 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (41) + (14) - 2, .025) and -3.5322276449940357 = (21.222970666755373 - 96.1873343647662) / 21.222970666755373 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 alpine 3.15
Queue TigerAlpine
Baseline 1411364699b5784040e86f76cb3db8200f6a2c8c
Compare 86b48d7c6f081c12dcc9c048fb53de1b78c9966f
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in MicroBenchmarks.Serializers.Json_ToString<CollectionsOfPrimitives>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
SystemTextJson_Reflection_ - Duration of single invocation 100.21 μs 112.20 μs 1.12 0.01 True
SystemTextJson_SourceGen_ - Duration of single invocation 97.79 μs 110.28 μs 1.13 0.00 True

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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'MicroBenchmarks.Serializers.Json_ToString&lt;CollectionsOfPrimitives&gt;*'

Payloads

Baseline
Compare

Histogram

MicroBenchmarks.Serializers.Json_ToString<CollectionsOfPrimitives>.SystemTextJson_Reflection_

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 112.20092064621315 > 105.55434104836704.
IsChangePoint: Marked as a change because one of 4/9/2023 4:09:45 AM, 4/12/2023 4:44:56 PM falls between 4/3/2023 9:14:01 PM and 4/12/2023 4:44:56 PM.
IsRegressionStdDev: Marked as regression because -41.7147846384471 (T) = (0 -112173.12174700559) / Math.Sqrt((574193.4596193656 / (43)) + (869446.9785409409 / (14))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (43) + (14) - 2, .025) and -0.11377520462842897 = (100714.32842180044 - 112173.12174700559) / 100714.32842180044 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

MicroBenchmarks.Serializers.Json_ToString<CollectionsOfPrimitives>.SystemTextJson_SourceGen_

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 110.28169243256744 > 102.37034706131709.
IsChangePoint: Marked as a change because one of 4/9/2023 4:09:45 AM, 4/12/2023 4:44:56 PM falls between 4/3/2023 9:14:01 PM and 4/12/2023 4:44:56 PM.
IsRegressionStdDev: Marked as regression because -37.70502205986756 (T) = (0 -109513.15853835817) / Math.Sqrt((1025701.4005327275 / (44)) + (986131.3406736719 / (14))) is less than -2.0032407188469383 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (44) + (14) - 2, .025) and -0.11784119365378698 = (97968.44056211809 - 109513.15853835817) / 97968.44056211809 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 alpine 3.15
Queue TigerAlpine
Baseline 1411364699b5784040e86f76cb3db8200f6a2c8c
Compare 86b48d7c6f081c12dcc9c048fb53de1b78c9966f
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_DateTimeOffset

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ToString - Duration of single invocation 152.79 ns 170.17 ns 1.11 0.02 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_DateTimeOffset*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_DateTimeOffset.ToString(format: "G")

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 170.1696521751888 > 160.48384931385883.
IsChangePoint: Marked as a change because one of 2/9/2023 4:27:10 AM, 4/9/2023 4:09:45 AM, 4/12/2023 4:44:56 PM falls between 4/3/2023 9:14:01 PM and 4/12/2023 4:44:56 PM.
IsRegressionStdDev: Marked as regression because -14.013738971625607 (T) = (0 -166.21477609265315) / Math.Sqrt((5.27484414892749 / (41)) + (8.630397056555227 / (14))) is less than -2.005745995316835 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (41) + (14) - 2, .025) and -0.07848939001674046 = (154.1181374905071 - 166.21477609265315) / 154.1181374905071 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 alpine 3.15
Queue TigerAlpine
Baseline 1411364699b5784040e86f76cb3db8200f6a2c8c
Compare 86b48d7c6f081c12dcc9c048fb53de1b78c9966f
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in MicroBenchmarks.Serializers.Json_ToStream<CollectionsOfPrimitives>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
SystemTextJson_SourceGen_ - Duration of single invocation 94.76 μs 107.82 μs 1.14 0.00 True
SystemTextJson_Reflection_ - Duration of single invocation 92.11 μs 102.19 μs 1.11 0.00 True

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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'MicroBenchmarks.Serializers.Json_ToStream&lt;CollectionsOfPrimitives&gt;*'

Payloads

Baseline
Compare

Histogram

MicroBenchmarks.Serializers.Json_ToStream<CollectionsOfPrimitives>.SystemTextJson_SourceGen_

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 107.82060867172211 > 99.46028886145105.
IsChangePoint: Marked as a change because one of 4/9/2023 4:09:45 AM, 4/12/2023 4:44:56 PM falls between 4/3/2023 9:14:01 PM and 4/12/2023 4:44:56 PM.
IsRegressionStdDev: Marked as regression because -37.31828327545781 (T) = (0 -107591.74282450635) / Math.Sqrt((271516.5529437712 / (43)) + (1561465.2196128918 / (14))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (43) + (14) - 2, .025) and -0.13516421252318395 = (94780.77412725778 - 107591.74282450635) / 94780.77412725778 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

MicroBenchmarks.Serializers.Json_ToStream<CollectionsOfPrimitives>.SystemTextJson_Reflection_

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 102.19033043389274 > 97.15504139980158.
IsChangePoint: Marked as a change because one of 4/9/2023 4:09:45 AM, 4/12/2023 4:44:56 PM falls between 4/3/2023 9:14:01 PM and 4/12/2023 4:44:56 PM.
IsRegressionStdDev: Marked as regression because -41.06072669523795 (T) = (0 -102573.27641088869) / Math.Sqrt((403675.88196352945 / (44)) + (833881.3717920505 / (14))) is less than -2.0032407188469383 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (44) + (14) - 2, .025) and -0.11725798986685063 = (91808.04911774484 - 102573.27641088869) / 91808.04911774484 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 alpine 3.15
Queue TigerAlpine
Baseline 1411364699b5784040e86f76cb3db8200f6a2c8c
Compare 86b48d7c6f081c12dcc9c048fb53de1b78c9966f
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Globalization.Tests.Perf_DateTimeCultureInfo

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ToString - Duration of single invocation 129.45 ns 143.92 ns 1.11 0.02 False
ToString - Duration of single invocation 136.15 ns 149.94 ns 1.10 0.00 False
ToString - Duration of single invocation 134.78 ns 148.26 ns 1.10 0.01 False

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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Globalization.Tests.Perf_DateTimeCultureInfo*'

Payloads

Baseline
Compare

Histogram

System.Globalization.Tests.Perf_DateTimeCultureInfo.ToString(culturestring: fr)

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 143.92251921973278 > 136.022800959015.
IsChangePoint: Marked as a change because one of 3/20/2023 10:25:17 PM, 4/6/2023 1:55:21 PM, 4/9/2023 4:09:45 AM, 4/12/2023 4:44:56 PM falls between 4/3/2023 9:14:01 PM and 4/12/2023 4:44:56 PM.
IsRegressionStdDev: Marked as regression because -14.922244321943731 (T) = (0 -148.95510507275236) / Math.Sqrt((9.754904295976901 / (43)) + (13.68084019720291 / (13))) is less than -2.0048792881871513 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (43) + (13) - 2, .025) and -0.12778486867799035 = (132.07758785357726 - 148.95510507275236) / 132.07758785357726 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.Globalization.Tests.Perf_DateTimeCultureInfo.ToString(culturestring: )

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 149.9421635992813 > 143.12224682390078.
IsChangePoint: Marked as a change because one of 2/9/2023 4:27:10 AM, 4/9/2023 1:38:49 AM, 4/12/2023 4:44:56 PM falls between 4/3/2023 9:14:01 PM and 4/12/2023 4:44:56 PM.
IsRegressionStdDev: Marked as regression because -19.96771286839599 (T) = (0 -148.10752908251223) / Math.Sqrt((2.7284945038202406 / (42)) + (5.159030520983547 / (14))) is less than -2.0048792881871513 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (42) + (14) - 2, .025) and -0.09740858303246806 = (134.9611542797003 - 148.10752908251223) / 134.9611542797003 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.Globalization.Tests.Perf_DateTimeCultureInfo.ToString(culturestring: ja)

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 148.26230742585435 > 141.1085727985579.
IsChangePoint: Marked as a change because one of 2/9/2023 4:27:10 AM, 4/9/2023 4:09:45 AM, 4/12/2023 4:44:56 PM falls between 4/3/2023 9:14:01 PM and 4/12/2023 4:44:56 PM.
IsRegressionStdDev: Marked as regression because -18.869590565253432 (T) = (0 -148.18275300862473) / Math.Sqrt((1.6147794202757353 / (41)) + (8.25172671560957 / (14))) is less than -2.005745995316835 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (41) + (14) - 2, .025) and -0.11231759342298452 = (133.21982308363508 - 148.18275300862473) / 133.21982308363508 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 alpine 3.15
Queue TigerAlpine
Baseline 1411364699b5784040e86f76cb3db8200f6a2c8c
Compare 86b48d7c6f081c12dcc9c048fb53de1b78c9966f
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_DateTime

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ToString - Duration of single invocation 144.31 ns 162.73 ns 1.13 0.04 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_DateTime*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_DateTime.ToString(format: "G")

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 162.7317061180974 > 154.59891001348555.
IsChangePoint: Marked as a change because one of 4/9/2023 4:09:45 AM, 4/12/2023 4:44:56 PM falls between 4/3/2023 9:14:01 PM and 4/12/2023 4:44:56 PM.
IsRegressionStdDev: Marked as regression because -7.841740681170022 (T) = (0 -164.57175461923865) / Math.Sqrt((7.710558230534384 / (43)) + (57.73220108506302 / (14))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (43) + (14) - 2, .025) and -0.10968431175187705 = (148.30502051473223 - 164.57175461923865) / 148.30502051473223 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
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees

@kunalspathak kunalspathak

Labels
arch-x64 branch-refs/heads/main kind-micro os-alpine perf-regression runtime-coreclr untriaged
Projects
None yet
Milestone
No milestone
Development

No branches or pull requests
1 participant
@kunalspathak