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[Perf] Linux/x64: 7 Regressions on 6/8/2023 9:27:53 AM #18798

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performanceautofiler bot opened this issue Jun 13, 2023 · 1 comment
Closed

[Perf] Linux/x64: 7 Regressions on 6/8/2023 9:27:53 AM #18798

performanceautofiler bot opened this issue Jun 13, 2023 · 1 comment
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arch-x64 branch-refs/heads/main kind-micro os-linux perf-regression runtime-coreclr untriaged

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performanceautofiler bot commented Jun 13, 2023 •
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Run Information

Name Value
Architecture x64
OS ubuntu 18.04
Queue TigerUbuntu
Baseline 79effd2c09a7a3049d0b29c998e444ba51864131
Compare 9b53f4b5238e4994cc65ecee7e3d9023c7197770
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Memory.ReadOnlySpan

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
IndexOfString - Duration of single invocation 8.20 ns 10.71 ns 1.31 0.32 False
IndexOfString - Duration of single invocation 5.68 ns 7.23 ns 1.27 0.08 False
IndexOfString - Duration of single invocation 6.56 ns 8.24 ns 1.26 0.07 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.ReadOnlySpan*'

Payloads

Baseline
Compare

Histogram

System.Memory.ReadOnlySpan.IndexOfString(input: "Hello WorldbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbareallyreallylongHello WorldbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbareallyreallylongHello Worldbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbareallyreallylong!xyz", value: "~", comparisonType: Ordinal)

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 10.7116441436337 > 8.237843503262573.
IsChangePoint: Marked as a change because one of 4/25/2023 1:57:48 PM, 5/26/2023 5:44:43 PM, 6/8/2023 8:02:22 AM, 6/12/2023 11:18:39 PM falls between 6/4/2023 12:53:30 AM and 6/12/2023 11:18:39 PM.
IsRegressionStdDev: Marked as regression because -7.740196197895544 (T) = (0 -9.470990594268228) / Math.Sqrt((0.6304643441278422 / (26)) + (0.33426601725055727 / (17))) is less than -2.019540970439573 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (26) + (17) - 2, .025) and -0.20664471468212056 = (7.849030024354164 - 9.470990594268228) / 7.849030024354164 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.Memory.ReadOnlySpan.IndexOfString(input: "Hello Worldbbbbbbbbbbbbbbcbbbbbbbbbbbbbbbbbbba!", value: "y", comparisonType: Ordinal)

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 7.230371955955483 > 5.969250194417859.
IsChangePoint: Marked as a change because one of 4/25/2023 9:59:52 PM, 5/26/2023 5:44:43 PM, 6/8/2023 2:41:32 AM, 6/12/2023 11:18:39 PM falls between 6/4/2023 12:53:30 AM and 6/12/2023 11:18:39 PM.
IsRegressionStdDev: Marked as regression because -32.847753694617104 (T) = (0 -7.29717410451435) / Math.Sqrt((0.0005644561651080768 / (25)) + (0.042327412479879714 / (18))) is less than -2.019540970439573 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (25) + (18) - 2, .025) and -0.28095308193514273 = (5.696675551527984 - 7.29717410451435) / 5.696675551527984 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.Memory.ReadOnlySpan.IndexOfString(input: "だだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだすだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだだ", value: "す", comparisonType: Ordinal)

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 8.240198230567248 > 6.887929402224836.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 5/26/2023 5:44:43 PM, 6/5/2023 4:27:01 PM, 6/8/2023 8:02:22 AM, 6/12/2023 11:18:39 PM falls between 6/4/2023 12:53:30 AM and 6/12/2023 11:18:39 PM.
IsRegressionStdDev: Marked as regression because -12.70900250852825 (T) = (0 -8.26940243724079) / Math.Sqrt((0.5418572887796643 / (26)) + (0.09516822532157673 / (17))) is less than -2.019540970439573 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (26) + (17) - 2, .025) and -0.3331473132862612 = (6.202917228146666 - 8.26940243724079) / 6.202917228146666 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 ubuntu 18.04
Queue TigerUbuntu
Baseline 79effd2c09a7a3049d0b29c998e444ba51864131
Compare 9b53f4b5238e4994cc65ecee7e3d9023c7197770
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Json.Tests.Perf_Booleans

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
WriteBooleans - Duration of single invocation 1.20 ms 1.41 ms 1.18 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Tests.Perf_Booleans*'

Payloads

Baseline
Compare

Histogram

System.Text.Json.Tests.Perf_Booleans.WriteBooleans(Formatted: True, SkipValidation: True)

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 1.4078137942708329 > 1.2836521846274038.
IsChangePoint: Marked as a change because one of 5/19/2023 10:30:38 AM, 5/26/2023 5:44:43 PM, 6/8/2023 8:02:22 AM, 6/12/2023 11:18:39 PM falls between 6/4/2023 12:53:30 AM and 6/12/2023 11:18:39 PM.
IsRegressionStdDev: Marked as regression because -31.578617783490415 (T) = (0 -1441186.6401229284) / Math.Sqrt((810880653.0331117 / (26)) + (240850696.4278744 / (17))) is less than -2.019540970439573 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (26) + (17) - 2, .025) and -0.1731118687941439 = (1228515.9484443218 - 1441186.6401229284) / 1228515.9484443218 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 ubuntu 18.04
Queue TigerUbuntu
Baseline 79effd2c09a7a3049d0b29c998e444ba51864131
Compare 9b53f4b5238e4994cc65ecee7e3d9023c7197770
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in BenchmarksGame.KNucleotide_1

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
RunBench - Duration of single invocation 201.45 ms 235.81 ms 1.17 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'BenchmarksGame.KNucleotide_1*'

Payloads

Baseline
Compare

Histogram

BenchmarksGame.KNucleotide_1.RunBench

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 235.8100296 > 205.32741195749998.
IsChangePoint: Marked as a change because one of 5/26/2023 5:44:43 PM, 6/8/2023 8:02:22 AM, 6/12/2023 11:18:39 PM falls between 6/4/2023 12:53:30 AM and 6/12/2023 11:18:39 PM.
IsRegressionStdDev: Marked as regression because -52.44089860912666 (T) = (0 -235282919.17500538) / Math.Sqrt((3359110783209.464 / (26)) + (7645603175732.42 / (17))) is less than -2.019540970439573 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (26) + (17) - 2, .025) and -0.20422186402599923 = (195381703.49141377 - 235282919.17500538) / 195381703.49141377 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 ubuntu 18.04
Queue TigerUbuntu
Baseline 79effd2c09a7a3049d0b29c998e444ba51864131
Compare 9b53f4b5238e4994cc65ecee7e3d9023c7197770
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.Tests.Perf_PriorityQueue<Int32, Int32>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
HeapSort - Duration of single invocation 50.17 μs 55.94 μs 1.11 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Tests.Perf_PriorityQueue&lt;Int32, Int32&gt;*'

Payloads

Baseline
Compare

Histogram

System.Collections.Tests.Perf_PriorityQueue<Int32, Int32>.HeapSort(Size: 1000)

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 55.93731997001653 > 52.66670345078963.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 5/19/2023 10:30:38 AM, 5/26/2023 5:44:43 PM, 6/8/2023 8:02:22 AM, 6/12/2023 11:18:39 PM falls between 6/4/2023 12:53:30 AM and 6/12/2023 11:18:39 PM.
IsRegressionStdDev: Marked as regression because -15.020102472690974 (T) = (0 -55127.06385162047) / Math.Sqrt((305142.52911920747 / (26)) + (1590571.0710995474 / (17))) is less than -2.019540970439573 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (26) + (17) - 2, .025) and -0.09698911629438424 = (50253.06362002844 - 55127.06385162047) / 50253.06362002844 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 ubuntu 18.04
Queue TigerUbuntu
Baseline 79effd2c09a7a3049d0b29c998e444ba51864131
Compare 9b53f4b5238e4994cc65ecee7e3d9023c7197770
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Count - Duration of single invocation 423.70 μs 454.44 μs 1.07 0.01 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock*'

Payloads

Baseline
Compare

Histogram

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "the\s+\w+", Options: Compiled)

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 454.4445267857142 > 444.26503205236486.
IsChangePoint: Marked as a change because one of 3/28/2023 8:13:28 AM, 5/26/2023 9:55:14 AM, 6/8/2023 8:02:22 AM, 6/12/2023 11:18:39 PM falls between 6/4/2023 12:53:30 AM and 6/12/2023 11:18:39 PM.
IsRegressionStdDev: Marked as regression because -19.683436671429618 (T) = (0 -454171.790118018) / Math.Sqrt((16989029.317417234 / (26)) + (27149026.63977498 / (17))) is less than -2.019540970439573 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (26) + (17) - 2, .025) and -0.06953579806175482 = (424643.8416938282 - 454171.790118018) / 424643.8416938282 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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