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[Perf] Windows/x64: 13 Regressions on 4/17/2023 11:29:15 PM #16979

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

[Perf] Windows/x64: 13 Regressions on 4/17/2023 11:29:15 PM #16979

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

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performanceautofiler bot commented Apr 25, 2023 •
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Run Information

Name Value
Architecture x64
OS Windows 10.0.19042
Queue OwlWindows
Baseline 7dbf6a5f2fd636db350f9cc31b2dfd3af0eff1a8
Compare eb71e484d2d4a7ae002ea524d2edead773289bbb
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.Tests.Add_Remove_SteadyState<Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ImmutableStack - Duration of single invocation 8.64 ns 11.46 ns 1.33 0.08 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.Collections.Tests.Add_Remove_SteadyState&lt;Int32&gt;*'

Payloads

Baseline
Compare

Histogram

System.Collections.Tests.Add_Remove_SteadyState<Int32>.ImmutableStack(Count: 512)

Description of detection logic

IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 11.457397122504396 > 9.061156690386689.
IsChangePoint: Marked as a change because one of 2/28/2023 10:21:25 PM, 3/4/2023 1:07:20 AM, 3/31/2023 8:05:26 PM, 4/3/2023 9:14:01 PM, 4/17/2023 6:40:18 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 -53.48326098584321 (T) = (0 -11.168061722935466) / Math.Sqrt((0.024451666292295168 / (16)) + (0.015125579034519988 / (33))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (16) + (33) - 2, .025) and -0.2713725662889389 = (8.78425570840684 - 11.168061722935466) / 8.78425570840684 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 7dbf6a5f2fd636db350f9cc31b2dfd3af0eff1a8
Compare eb71e484d2d4a7ae002ea524d2edead773289bbb
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
IsMatch - Duration of single invocation 172.17 ns 187.28 ns 1.09 0.03 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.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple*'

Payloads

Baseline
Compare

Histogram

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id: 2, Options: NonBacktracking)

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 187.2797630627704 > 183.98818266462558.
IsChangePoint: Marked as a change because one of 2/24/2023 8:06:06 PM, 3/14/2023 8:42:09 PM, 3/20/2023 8:31:51 AM, 4/10/2023 1:33:42 PM, 4/17/2023 6:40:18 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 -7.521762751271012 (T) = (0 -188.4833872119986) / Math.Sqrt((16.543452481607662 / (16)) + (48.04436487948731 / (33))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (16) + (33) - 2, .025) and -0.06720168093090673 = (176.61458989418654 - 188.4833872119986) / 176.61458989418654 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 7dbf6a5f2fd636db350f9cc31b2dfd3af0eff1a8
Compare eb71e484d2d4a7ae002ea524d2edead773289bbb
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Json.Tests.Perf_Reader

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ReadSingleSpanSequenceEmptyLoop - Duration of single invocation 89.99 ns 95.04 ns 1.06 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 'System.Text.Json.Tests.Perf_Reader*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: HelloWorld)

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 95.0408200497138 > 93.07208897420259.
IsChangePoint: Marked as a change because one of 3/8/2023 10:34:21 AM, 3/14/2023 8:42:09 PM, 3/20/2023 8:31:51 AM, 4/17/2023 6:40:18 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 -14.628753738294694 (T) = (0 -95.64632980846662) / Math.Sqrt((3.937723588043536 / (16)) + (0.520528466431291 / (33))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (16) + (33) - 2, .025) and -0.08491554621803919 = (88.16016153689095 - 95.64632980846662) / 88.16016153689095 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 7dbf6a5f2fd636db350f9cc31b2dfd3af0eff1a8
Compare eb71e484d2d4a7ae002ea524d2edead773289bbb
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_Byte

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Parse - Duration of single invocation 12.61 ns 14.13 ns 1.12 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_Byte*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Byte.Parse(value: "255")

Description of detection logic

IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 14.128580339589101 > 13.247229419914346.
IsChangePoint: Marked as a change because one of 3/14/2023 8:42:09 PM, 3/31/2023 8:05:26 PM, 4/4/2023 4:23:54 PM, 4/17/2023 6:40:18 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 -7.736946814580454 (T) = (0 -13.767594553871284) / Math.Sqrt((0.29194973987974054 / (16)) + (0.03170897678205331 / (33))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (16) + (33) - 2, .025) and -0.08446255251168802 = (12.695315778294614 - 13.767594553871284) / 12.695315778294614 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 7dbf6a5f2fd636db350f9cc31b2dfd3af0eff1a8
Compare eb71e484d2d4a7ae002ea524d2edead773289bbb
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.AddGivenSize<String>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ObservableCollection - Duration of single invocation 15.85 μs 19.17 μs 1.21 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 'System.Collections.AddGivenSize&lt;String&gt;*'

Payloads

Baseline
Compare

Histogram

System.Collections.AddGivenSize<String>.ObservableCollection(Size: 512)

Description of detection logic

IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 19.166337551124748 > 16.50315376629672.
IsChangePoint: Marked as a change because one of 4/17/2023 6:40:18 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 -24.641563370372022 (T) = (0 -19096.63378347817) / Math.Sqrt((252027.6671310249 / (16)) + (21395.60038045437 / (33))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (16) + (33) - 2, .025) and -0.19795961945503535 = (15940.966183956545 - 19096.63378347817) / 15940.966183956545 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 7dbf6a5f2fd636db350f9cc31b2dfd3af0eff1a8
Compare eb71e484d2d4a7ae002ea524d2edead773289bbb
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_SByte

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Parse - Duration of single invocation 12.46 ns 15.03 ns 1.21 0.04 False
TryParse - Duration of single invocation 13.01 ns 15.26 ns 1.17 0.03 False
TryParse - Duration of single invocation 13.56 ns 14.95 ns 1.10 0.04 False
Parse - Duration of single invocation 12.99 ns 15.16 ns 1.17 0.03 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.Tests.Perf_SByte*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_SByte.Parse(value: "127")

Description of detection logic

IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 15.034574464266745 > 13.088300445389738.
IsChangePoint: Marked as a change because one of 3/31/2023 8:05:26 PM, 4/4/2023 8:16:00 PM, 4/17/2023 6:40:18 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 -23.69704373886993 (T) = (0 -14.88356293265709) / Math.Sqrt((0.1111374510788032 / (16)) + (0.12066844634840518 / (33))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (16) + (33) - 2, .025) and -0.19609222617043962 = (12.443491067833616 - 14.88356293265709) / 12.443491067833616 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

JIT Disasms

System.Tests.Perf_SByte.TryParse(value: "127")

Description of detection logic

IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 15.257968285427769 > 13.666787831000612.
IsChangePoint: Marked as a change because one of 3/31/2023 8:05:26 PM, 4/4/2023 4:23:54 PM, 4/17/2023 6:40:18 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 -10.861710205364282 (T) = (0 -14.474832946937047) / Math.Sqrt((0.33346373444697824 / (16)) + (0.08138197664972369 / (33))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (16) + (33) - 2, .025) and -0.12938215719082774 = (12.816594325291156 - 14.474832946937047) / 12.816594325291156 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

JIT Disasms

System.Tests.Perf_SByte.TryParse(value: "-128")

Description of detection logic

IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 14.947519563428708 > 14.242862971942397.
IsChangePoint: Marked as a change because one of 3/31/2023 8:05:26 PM, 4/4/2023 4:23:54 PM, 4/17/2023 6:40:18 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 -10.665516596681872 (T) = (0 -15.254764641146833) / Math.Sqrt((0.3757335940484214 / (16)) + (0.22353363896531442 / (32))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (16) + (32) - 2, .025) and -0.13900467033204245 = (13.393065927200954 - 15.254764641146833) / 13.393065927200954 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

JIT Disasms

System.Tests.Perf_SByte.Parse(value: "-128")

Description of detection logic

IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 15.157197474136131 > 13.655343966738393.
IsChangePoint: Marked as a change because one of 3/31/2023 8:05:26 PM, 4/4/2023 4:23:54 PM, 4/17/2023 6:40:18 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 -23.131076105767402 (T) = (0 -15.220041120111725) / Math.Sqrt((0.13657410293868866 / (16)) + (0.017285287203063406 / (33))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (16) + (33) - 2, .025) and -0.1691202336757893 = (13.01837114926917 - 15.220041120111725) / 13.01837114926917 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 7dbf6a5f2fd636db350f9cc31b2dfd3af0eff1a8
Compare eb71e484d2d4a7ae002ea524d2edead773289bbb
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_Int16

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Parse - Duration of single invocation 14.26 ns 17.22 ns 1.21 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 'System.Tests.Perf_Int16*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Int16.Parse(value: "-32768")

Description of detection logic

IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 17.217269028123532 > 14.986687640119968.
IsChangePoint: Marked as a change because one of 2/24/2023 9:01:57 AM, 3/25/2023 12:18:49 AM, 4/4/2023 4:23:54 PM, 4/17/2023 6:40:18 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 -32.56483353782911 (T) = (0 -17.215006283771743) / Math.Sqrt((0.07645299042502132 / (15)) + (0.06708842130922968 / (33))) is less than -2.0128955989180297 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (15) + (33) - 2, .025) and -0.19009123082497004 = (14.465282860573906 - 17.215006283771743) / 14.465282860573906 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 7dbf6a5f2fd636db350f9cc31b2dfd3af0eff1a8
Compare eb71e484d2d4a7ae002ea524d2edead773289bbb
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Threading.Channels.Tests.BoundedChannelPerfTests

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ReadAsyncThenWriteAsync - Duration of single invocation 88.49 ns 94.47 ns 1.07 0.14 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.Threading.Channels.Tests.BoundedChannelPerfTests*'

Payloads

Baseline
Compare

Histogram

System.Threading.Channels.Tests.BoundedChannelPerfTests.ReadAsyncThenWriteAsync

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 94.46636596399802 > 92.69498955941505.
IsChangePoint: Marked as a change because one of 2/9/2023 12:40:40 PM, 2/20/2023 10:31:48 AM, 3/15/2023 5:33:41 AM, 3/25/2023 12:18:49 AM, 3/31/2023 11:04:55 PM, 4/17/2023 6:40:18 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 -10.99149133958504 (T) = (0 -98.00082882063856) / Math.Sqrt((10.36229322457934 / (16)) + (4.883902271394636 / (33))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (16) + (33) - 2, .025) and -0.11116379360399876 = (88.19656416519679 - 98.00082882063856) / 88.19656416519679 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 7dbf6a5f2fd636db350f9cc31b2dfd3af0eff1a8
Compare eb71e484d2d4a7ae002ea524d2edead773289bbb
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.ContainsKeyTrue<Int32, Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
SortedDictionary - Duration of single invocation 34.07 μs 38.90 μs 1.14 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 'System.Collections.ContainsKeyTrue&lt;Int32, Int32&gt;*'

Payloads

Baseline
Compare

Histogram

System.Collections.ContainsKeyTrue<Int32, Int32>.SortedDictionary(Size: 512)

Description of detection logic

IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 38.896326509511994 > 35.68804147023169.
IsChangePoint: Marked as a change because one of 2/13/2023 6:54:14 PM, 2/23/2023 8:54:44 PM, 3/6/2023 11:14:52 AM, 4/17/2023 6:40:18 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 -12.136656525236514 (T) = (0 -37595.4658360207) / Math.Sqrt((541081.924579143 / (16)) + (1107545.566659331 / (33))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (16) + (33) - 2, .025) and -0.0914610240975511 = (34445.083247114235 - 37595.4658360207) / 34445.083247114235 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 7dbf6a5f2fd636db350f9cc31b2dfd3af0eff1a8
Compare eb71e484d2d4a7ae002ea524d2edead773289bbb
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Xml.Linq.Perf_XDocument

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
GetRootElement - Duration of single invocation 6.10 ns 7.10 ns 1.16 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.Xml.Linq.Perf_XDocument*'

Payloads

Baseline
Compare

Histogram

System.Xml.Linq.Perf_XDocument.GetRootElement

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 7.104144989838511 > 6.418760167175532.
IsChangePoint: Marked as a change because one of 3/17/2023 10:06:19 AM, 4/17/2023 6:40:18 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 -31.259206642587237 (T) = (0 -7.07532591509009) / Math.Sqrt((0.012260696120882224 / (16)) + (0.002217619430617666 / (33))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (16) + (33) - 2, .025) and -0.146198378321579 = (6.172863309622505 - 7.07532591509009) / 6.172863309622505 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
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