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[Perf] Windows/x64: 15 Regressions on 4/17/2023 7:48:00 AM #16978

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performanceautofiler bot opened this issue Apr 25, 2023 · 2 comments
Closed

[Perf] Windows/x64: 15 Regressions on 4/17/2023 7:48:00 AM #16978

performanceautofiler bot opened this issue Apr 25, 2023 · 2 comments

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performanceautofiler bot commented Apr 25, 2023

Run Information

Name Value
Architecture x64
OS Windows 10.0.19042
Queue OwlWindows
Baseline 7526a4c6a0a095670f1135d983a349b4e867f2e2
Compare 7dbf6a5f2fd636db350f9cc31b2dfd3af0eff1a8
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Json.Serialization.Tests.WriteJson<LargeStructWithProperties>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
SerializeObjectProperty - Duration of single invocation 677.03 ns 713.11 ns 1.05 0.08 False
SerializeObjectProperty - Duration of single invocation 955.56 ns 1.03 μs 1.08 0.08 False
SerializeToString - Duration of single invocation 741.34 ns 802.25 ns 1.08 0.05 True
SerializeToUtf8Bytes - Duration of single invocation 688.70 ns 762.67 ns 1.11 0.04 False

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.Text.Json.Serialization.Tests.WriteJson&lt;LargeStructWithProperties&gt;*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Serialization.Tests.WriteJson<LargeStructWithProperties>.SerializeObjectProperty(Mode: 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 713.1070059617682 > 711.7300549086555.
IsChangePoint: Marked as a change because one of 4/12/2023 8:39:35 PM, 4/25/2023 3:46:39 AM falls between 4/12/2023 8:39:35 PM and 4/25/2023 3:46:39 AM.
IsRegressionStdDev: Marked as regression because -8.444669429926972 (T) = (0 -734.825475051759) / Math.Sqrt((355.18462834858923 / (12)) + (235.50131673911787 / (36))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (12) + (36) - 2, .025) and -0.07421400533652649 = (684.0587363423502 - 734.825475051759) / 684.0587363423502 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.Text.Json.Serialization.Tests.WriteJson<LargeStructWithProperties>.SerializeObjectProperty(Mode: 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 1.033957305870459 > 1009.2086539385488.
IsChangePoint: Marked as a change because one of 4/12/2023 8:39:35 PM, 4/25/2023 3:46:39 AM falls between 4/12/2023 8:39:35 PM and 4/25/2023 3:46:39 AM.
IsRegressionStdDev: Marked as regression because -21.577588925204594 (T) = (0 -1055.0337645233412) / Math.Sqrt((163.6840670865553 / (11)) + (151.19583783284665 / (37))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (11) + (37) - 2, .025) and -0.09777956150841623 = (961.0615842343251 - 1055.0337645233412) / 961.0615842343251 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.Text.Json.Serialization.Tests.WriteJson<LargeStructWithProperties>.SerializeToString(Mode: 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 802.248474762226 > 788.9740100568301.
IsChangePoint: Marked as a change because one of 4/12/2023 8:39:35 PM, 4/25/2023 3:46:39 AM falls between 4/12/2023 8:39:35 PM and 4/25/2023 3:46:39 AM.
IsRegressionStdDev: Marked as regression because -18.131634001006752 (T) = (0 -826.0603775385762) / Math.Sqrt((151.8947276532329 / (12)) + (128.75782716673538 / (37))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (12) + (37) - 2, .025) and -0.09670223695255763 = (753.2221141756555 - 826.0603775385762) / 753.2221141756555 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.Text.Json.Serialization.Tests.WriteJson<LargeStructWithProperties>.SerializeToUtf8Bytes(Mode: 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 762.6737033644704 > 732.0856207367062.
IsChangePoint: Marked as a change because one of 4/12/2023 8:39:35 PM, 4/25/2023 3:46:39 AM falls between 4/12/2023 8:39:35 PM and 4/25/2023 3:46:39 AM.
IsRegressionStdDev: Marked as regression because -24.612279573524976 (T) = (0 -777.6586526437686) / Math.Sqrt((51.679505904806575 / (12)) + (204.48111691374206 / (36))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (12) + (36) - 2, .025) and -0.11113183296617725 = (699.8797348536053 - 777.6586526437686) / 699.8797348536053 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 Windows 10.0.19042
Queue OwlWindows
Baseline 7526a4c6a0a095670f1135d983a349b4e867f2e2
Compare 7dbf6a5f2fd636db350f9cc31b2dfd3af0eff1a8
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Json.Tests.Perf_Strings

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
WriteStringsUtf8 - Duration of single invocation 57.06 ms 62.52 ms 1.10 0.23 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.Text.Json.Tests.Perf_Strings*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: False, SkipValidation: True, Escaped: AllEscaped)


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 62.5243 > 59.97189207692308.
IsChangePoint: Marked as a change because one of 3/27/2023 4:20:55 AM, 4/12/2023 8:39:35 PM, 4/25/2023 3:46:39 AM falls between 4/12/2023 8:39:35 PM and 4/25/2023 3:46:39 AM.
IsRegressionStdDev: Marked as regression because -12.589322304945917 (T) = (0 -64652323.56325863) / Math.Sqrt((3265741392069.7715 / (12)) + (609905009672.1835 / (36))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (12) + (36) - 2, .025) and -0.11693975688049223 = (57883447.30769231 - 64652323.56325863) / 57883447.30769231 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 Windows 10.0.19042
Queue OwlWindows
Baseline 887c043eb94be364188e2b23a87efa214ea57f1e
Compare 7dbf6a5f2fd636db350f9cc31b2dfd3af0eff1a8
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Json.Serialization.Tests.WriteJson<Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
SerializeToWriter - Duration of single invocation 45.48 ns 50.17 ns 1.10 0.11 False
SerializeObjectProperty - Duration of single invocation 279.57 ns 300.71 ns 1.08 0.13 False
SerializeToWriter - Duration of single invocation 45.50 ns 54.73 ns 1.20 0.16 False
SerializeToStream - Duration of single invocation 178.16 ns 196.17 ns 1.10 0.09 False

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.Text.Json.Serialization.Tests.WriteJson&lt;Int32&gt;*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Serialization.Tests.WriteJson<Int32>.SerializeToWriter(Mode: 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 50.16746959766481 > 48.65777923611729.
IsChangePoint: Marked as a change because one of 3/20/2023 4:51:16 PM, 4/17/2023 1:30:24 AM, 4/25/2023 3:46:39 AM falls between 4/12/2023 8:39:35 PM and 4/25/2023 3:46:39 AM.
IsRegressionStdDev: Marked as regression because -12.998940750940186 (T) = (0 -53.513671376186785) / Math.Sqrt((1.2954574376605337 / (13)) + (6.939489469042589 / (36))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (13) + (36) - 2, .025) and -0.15121659884338173 = (46.4844508235475 - 53.513671376186785) / 46.4844508235475 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.Text.Json.Serialization.Tests.WriteJson<Int32>.SerializeObjectProperty(Mode: 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 300.7094036303063 > 292.42137455110424.
IsChangePoint: Marked as a change because one of 2/10/2023 8:30:00 AM, 3/21/2023 9:37:45 AM, 4/19/2023 3:30:01 PM, 4/25/2023 3:46:39 AM falls between 4/12/2023 8:39:35 PM and 4/25/2023 3:46:39 AM.
IsRegressionStdDev: Marked as regression because -8.99542198127423 (T) = (0 -308.18368954458305) / Math.Sqrt((124.88916460818717 / (25)) + (25.258561888686735 / (24))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (25) + (24) - 2, .025) and -0.07733359973837362 = (286.0615222800294 - 308.18368954458305) / 286.0615222800294 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.Text.Json.Serialization.Tests.WriteJson<Int32>.SerializeToWriter(Mode: 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 54.72604878353045 > 48.33416335358117.
IsChangePoint: Marked as a change because one of 3/6/2023 11:14:52 AM, 3/30/2023 4:24:24 AM, 4/19/2023 3:30:01 PM, 4/25/2023 3:46:39 AM falls between 4/12/2023 8:39:35 PM and 4/25/2023 3:46:39 AM.
IsRegressionStdDev: Marked as regression because -18.07323232233466 (T) = (0 -58.31853018239839) / Math.Sqrt((3.5263775803043758 / (25)) + (2.842498105571477 / (23))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (25) + (23) - 2, .025) and -0.18966298277662622 = (49.02105136219777 - 58.31853018239839) / 49.02105136219777 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.Text.Json.Serialization.Tests.WriteJson<Int32>.SerializeToStream(Mode: 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 196.17492832425648 > 193.61339948818951.
IsChangePoint: Marked as a change because one of 3/6/2023 11:14:52 AM, 4/19/2023 1:39:34 AM, 4/25/2023 3:46:39 AM falls between 4/12/2023 8:39:35 PM and 4/25/2023 3:46:39 AM.
IsRegressionStdDev: Marked as regression because -6.579783313914436 (T) = (0 -205.47417339240343) / Math.Sqrt((47.17547562302552 / (21)) + (97.39469226652983 / (27))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (27) - 2, .025) and -0.08398284473393804 = (189.55482034666034 - 205.47417339240343) / 189.55482034666034 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 Windows 10.0.19042
Queue OwlWindows
Baseline 7526a4c6a0a095670f1135d983a349b4e867f2e2
Compare 7dbf6a5f2fd636db350f9cc31b2dfd3af0eff1a8
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Json.Tests.Perf_Basic

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
WriteBasicUtf8 - Duration of single invocation 1.63 ms 1.77 ms 1.09 0.14 True
WriteBasicUtf8 - Duration of single invocation 2.37 ms 2.50 ms 1.05 0.01 True
WriteBasicUtf16 - Duration of single invocation 1.74 ms 1.91 ms 1.10 0.02 True
WriteBasicUtf16 - Duration of single invocation 1.63 ms 1.75 ms 1.07 0.10 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.Text.Json.Tests.Perf_Basic*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted: False, SkipValidation: True, DataSize: 100000)


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 1.76914360780065 > 1.7095728487819368.
IsChangePoint: Marked as a change because one of 4/12/2023 8:39:35 PM, 4/25/2023 3:46:39 AM falls between 4/12/2023 8:39:35 PM and 4/25/2023 3:46:39 AM.
IsRegressionStdDev: Marked as regression because -32.10708496286747 (T) = (0 -2271239.02280713) / Math.Sqrt((1866624185.5189784 / (12)) + (7549386810.102766 / (36))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (12) + (36) - 2, .025) and -0.37018245775593667 = (1657617.9398230873 - 2271239.02280713) / 1657617.9398230873 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.Text.Json.Tests.Perf_Basic.WriteBasicUtf8(Formatted: True, SkipValidation: False, DataSize: 100000)


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 2.495394 > 2.4763922666666667.
IsChangePoint: Marked as a change because one of 4/12/2023 8:39:35 PM, 4/25/2023 3:46:39 AM falls between 4/12/2023 8:39:35 PM and 4/25/2023 3:46:39 AM.
IsRegressionStdDev: Marked as regression because -42.868584260546776 (T) = (0 -3134310.706987224) / Math.Sqrt((107817302.97985917 / (12)) + (11819117194.224396 / (37))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (12) + (37) - 2, .025) and -0.32954545968805476 = (2357430.2662224225 - 3134310.706987224) / 2357430.2662224225 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.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: False, SkipValidation: False, DataSize: 100000)


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 1.9143281352235548 > 1.8324221895539905.
IsChangePoint: Marked as a change because one of 4/12/2023 8:39:35 PM, 4/25/2023 3:46:39 AM falls between 4/12/2023 8:39:35 PM and 4/25/2023 3:46:39 AM.
IsRegressionStdDev: Marked as regression because -41.62496731471551 (T) = (0 -2423038.6463507214) / Math.Sqrt((34599507.377549104 / (12)) + (9637869855.311035 / (37))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (12) + (37) - 2, .025) and -0.38655430884965586 = (1747525.2363976834 - 2423038.6463507214) / 1747525.2363976834 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.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: False, SkipValidation: True, DataSize: 100000)


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 1.7521023004694836 > 1.7288868833434996.
IsChangePoint: Marked as a change because one of 4/12/2023 8:39:35 PM, 4/25/2023 3:46:39 AM falls between 4/12/2023 8:39:35 PM and 4/25/2023 3:46:39 AM.
IsRegressionStdDev: Marked as regression because -38.73019514015281 (T) = (0 -2268470.0386003265) / Math.Sqrt((468214421.73804593 / (12)) + (7924423545.761174 / (36))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (12) + (36) - 2, .025) and -0.37901148699668563 = (1644997.202699718 - 2268470.0386003265) / 1644997.202699718 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 Windows 10.0.19042
Queue OwlWindows
Baseline 887c043eb94be364188e2b23a87efa214ea57f1e
Compare 7dbf6a5f2fd636db350f9cc31b2dfd3af0eff1a8
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in PerfLabTests.DelegatePerf

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
MulticastDelegateCombineInvoke - Duration of single invocation 190.28 ms 205.20 ms 1.08 0.06 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 'PerfLabTests.DelegatePerf*'

Payloads

Baseline
Compare

Histogram

PerfLabTests.DelegatePerf.MulticastDelegateCombineInvoke


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 205.20333846153846 > 200.28664600000002.
IsChangePoint: Marked as a change because one of 2/20/2023 10:31:48 AM, 3/6/2023 11:14:52 AM, 3/20/2023 8:31:51 AM, 4/17/2023 1:30:24 AM, 4/25/2023 3:46:39 AM falls between 4/12/2023 8:39:35 PM and 4/25/2023 3:46:39 AM.
IsRegressionStdDev: Marked as regression because -5.931162996983872 (T) = (0 -205056183.17969066) / Math.Sqrt((35914190953755.945 / (13)) + (11131594788405.322 / (36))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (13) + (36) - 2, .025) and -0.053402385370808665 = (194660830.49309665 - 205056183.17969066) / 194660830.49309665 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 Windows 10.0.19042
Queue OwlWindows
Baseline 887c043eb94be364188e2b23a87efa214ea57f1e
Compare 7dbf6a5f2fd636db350f9cc31b2dfd3af0eff1a8
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Json.Serialization.Tests.WriteJson<ClassRecord>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
SerializeToString - Duration of single invocation 467.57 ns 497.93 ns 1.06 0.07 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.Text.Json.Serialization.Tests.WriteJson&lt;ClassRecord&gt;*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Serialization.Tests.WriteJson<ClassRecord>.SerializeToString(Mode: 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 497.92618798445164 > 491.8482389188143.
IsChangePoint: Marked as a change because one of 3/20/2023 10:25:17 PM, 4/17/2023 1:30:24 AM, 4/25/2023 3:46:39 AM falls between 4/12/2023 8:39:35 PM and 4/25/2023 3:46:39 AM.
IsRegressionStdDev: Marked as regression because -8.967966606362234 (T) = (0 -502.76104182902867) / Math.Sqrt((61.00332508733366 / (12)) + (239.24723574339222 / (34))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (12) + (34) - 2, .025) and -0.06621131709264072 = (471.5397724345716 - 502.76104182902867) / 471.5397724345716 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

@kunalspathak
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Some are the regressions are from dotnet/runtime#84587, but others might be because of some different commits that we need to find out. Look again once we regenerate the test history.

@cincuranet
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All is virtually back to normal.

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