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[Perf] Regressions in Utf8Formatter #84989

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performanceautofiler bot opened this issue Apr 18, 2023 · 9 comments
Closed

[Perf] Regressions in Utf8Formatter #84989

performanceautofiler bot opened this issue Apr 18, 2023 · 9 comments
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arch-x64 area-System.Runtime os-alpine runtime-coreclr specific to the CoreCLR runtime tenet-performance Performance related issue tenet-performance-benchmarks Issue from performance benchmark

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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 134.78 ns 148.26 ns 1.10 0.01 False
ToString - Duration of single invocation 136.15 ns 149.94 ns 1.10 0.00 False

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.

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.

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.

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 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
FormatterInt64 - Duration of single invocation 21.69 ns 92.74 ns 4.28 0.02 True
FormatterInt32 - Duration of single invocation 11.39 ns 49.69 ns 4.36 0.07 True
FormatterUInt64 - Duration of single invocation 21.17 ns 96.21 ns 4.54 0.00 True

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.

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.

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.

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.

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_Reflection_ - Duration of single invocation 92.11 μs 102.19 μs 1.11 0.00 True
SystemTextJson_SourceGen_ - Duration of single invocation 94.76 μs 107.82 μs 1.14 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_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.

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.

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.

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_SourceGen_ - Duration of single invocation 97.79 μs 110.28 μs 1.13 0.00 True
SystemTextJson_Reflection_ - Duration of single invocation 100.21 μs 112.20 μs 1.12 0.01 True

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_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.

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.

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.

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository
@performanceautofiler performanceautofiler bot added arch-x64 os-alpine runtime-coreclr specific to the CoreCLR runtime untriaged New issue has not been triaged by the area owner labels Apr 18, 2023
@EgorBo EgorBo changed the title [Perf] Alpine/x64: 13 Regressions on 4/9/2023 11:24:15 AM [Perf] Regressions in IUtf8SpanFormattable formatting Apr 18, 2023
@EgorBo EgorBo transferred this issue from dotnet/perf-autofiling-issues Apr 18, 2023
@dotnet-issue-labeler dotnet-issue-labeler bot added the needs-area-label An area label is needed to ensure this gets routed to the appropriate area owners label Apr 18, 2023
@EgorBo EgorBo removed their assignment Apr 18, 2023
@EgorBo EgorBo added area-System.Numerics and removed needs-area-label An area label is needed to ensure this gets routed to the appropriate area owners labels Apr 18, 2023
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ghost commented Apr 18, 2023

Tagging subscribers to this area: @dotnet/area-system-numerics
See info in area-owners.md if you want to be subscribed.

Issue Details

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 134.78 ns 148.26 ns 1.10 0.01 False
ToString - Duration of single invocation 136.15 ns 149.94 ns 1.10 0.00 False

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.

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.

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.

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 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
FormatterInt64 - Duration of single invocation 21.69 ns 92.74 ns 4.28 0.02 True
FormatterInt32 - Duration of single invocation 11.39 ns 49.69 ns 4.36 0.07 True
FormatterUInt64 - Duration of single invocation 21.17 ns 96.21 ns 4.54 0.00 True

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.

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.

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.

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.

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_Reflection_ - Duration of single invocation 92.11 μs 102.19 μs 1.11 0.00 True
SystemTextJson_SourceGen_ - Duration of single invocation 94.76 μs 107.82 μs 1.14 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_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.

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.

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.

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_SourceGen_ - Duration of single invocation 97.79 μs 110.28 μs 1.13 0.00 True
SystemTextJson_Reflection_ - Duration of single invocation 100.21 μs 112.20 μs 1.12 0.01 True

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_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.

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.

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.

Docs

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

Author: performanceautofiler[bot]
Assignees: -
Labels:

area-System.Numerics, arch-x64, os-alpine, untriaged, runtime-coreclr
Milestone: -

@EgorBo EgorBo added tenet-performance Performance related issue tenet-performance-benchmarks Issue from performance benchmark area-System.Runtime and removed area-System.Numerics labels Apr 18, 2023
@ghost
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ghost commented Apr 18, 2023

Tagging subscribers to this area: @dotnet/area-system-runtime
See info in area-owners.md if you want to be subscribed.

Issue Details

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 134.78 ns 148.26 ns 1.10 0.01 False
ToString - Duration of single invocation 136.15 ns 149.94 ns 1.10 0.00 False

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.

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.

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.

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 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
FormatterInt64 - Duration of single invocation 21.69 ns 92.74 ns 4.28 0.02 True
FormatterInt32 - Duration of single invocation 11.39 ns 49.69 ns 4.36 0.07 True
FormatterUInt64 - Duration of single invocation 21.17 ns 96.21 ns 4.54 0.00 True

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.

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.

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.

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.

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_Reflection_ - Duration of single invocation 92.11 μs 102.19 μs 1.11 0.00 True
SystemTextJson_SourceGen_ - Duration of single invocation 94.76 μs 107.82 μs 1.14 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_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.

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.

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.

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_SourceGen_ - Duration of single invocation 97.79 μs 110.28 μs 1.13 0.00 True
SystemTextJson_Reflection_ - Duration of single invocation 100.21 μs 112.20 μs 1.12 0.01 True

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_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.

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.

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.

Docs

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

Author: performanceautofiler[bot]
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Labels:

area-System.Runtime, tenet-performance, tenet-performance-benchmarks, arch-x64, os-alpine, untriaged, runtime-coreclr
Milestone: -

@EgorBo
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EgorBo commented Apr 18, 2023

Regressed in #84469 cc @stephentoub

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EgorBo commented Apr 18, 2023 •
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Same issues:

@EgorBo EgorBo mentioned this issue Apr 18, 2023
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This data is all from a week ago and doesn't include b593d86.

@stephentoub stephentoub changed the title [Perf] Regressions in IUtf8SpanFormattable formatting [Perf] Regressions in Utf8Formatter Apr 18, 2023
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EgorBo commented Apr 18, 2023

This data is all from a week ago and doesn't include b593d86.

Yeah we had some incidents in dotnet/perf infra last week, this one was filed today feel free to close if all of them are already addressed

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EgorBo commented Apr 20, 2023 •
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Same on windows-arm64:

Some in these are also related (the rest are noise)

This was referenced Apr 20, 2023
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@kunalspathak kunalspathak mentioned this issue Apr 25, 2023
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I believe these have all been addressed, but the data hasn't updated in over two weeks.

@tannergooding tannergooding removed the untriaged New issue has not been triaged by the area owner label May 26, 2023
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Waiting for confirmation, but I believe we've stopped including Alpine in the automatic triage reports and we've seen this fixed on all the other platforms, so we should be able to close it

@ghost ghost locked as resolved and limited conversation to collaborators Jun 25, 2023
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