Skip to content
New issue

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

Sign up for GitHub

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

Already on GitHub? Sign in to your account

Jump to bottom

[Perf] Windows/arm64: 7 Regressions on 5/19/2023 9:46:56 PM #18097

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

[Perf] Windows/arm64: 7 Regressions on 5/19/2023 9:46:56 PM #18097

performanceautofiler bot opened this issue May 25, 2023 · 1 comment
Assignees
@EgorBo
Labels
arch-arm64 branch-refs/heads/main kind-micro os-windows perf-regression runtime-coreclr

Comments

@performanceautofiler
Copy link

performanceautofiler bot commented May 25, 2023 •
edited
Loading

Run Information

Name Value
Architecture arm64
OS Windows 10.0.19041
Queue SurfaceWindows
Baseline 2f49fcff6df15a200ef01eea16b3ce7930f75c5c
Compare 09399050c82b0ff2e9b082c36524f39a1e3ad6c1
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Encodings.Web.Tests.Perf_Encoders

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
EncodeUtf8 - Duration of single invocation 119.52 ns 129.46 ns 1.08 0.02 False
EncodeUtf8 - Duration of single invocation 63.78 ns 84.10 ns 1.32 0.03 True
EncodeUtf16 - Duration of single invocation 78.62 ns 84.24 ns 1.07 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.Text.Encodings.Web.Tests.Perf_Encoders*'

Payloads

Baseline
Compare

Histogram

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: Url,&lorem ipsum=dolor sit amet,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 129.4565470391469 > 125.51529355310763.
IsChangePoint: Marked as a change because one of 2/14/2023 11:21:41 AM, 3/10/2023 4:14:40 PM, 4/27/2023 10:53:57 PM, 5/3/2023 7:05:50 AM, 5/19/2023 1:23:34 PM, 5/24/2023 5:44:05 PM falls between 5/16/2023 12:30:38 AM and 5/24/2023 5:44:05 PM.
IsRegressionStdDev: Marked as regression because -7.996212204546845 (T) = (0 -130.21842741095693) / Math.Sqrt((3.105750204626415 / (16)) + (17.729650741744347 / (12))) is less than -2.055529438636913 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (16) + (12) - 2, .025) and -0.08623838832397639 = (119.88015596822987 - 130.21842741095693) / 119.88015596822987 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.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: Url,&lorem ipsum=dolor sit amet,16)

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 84.10347865610282 > 67.02422781170542.
IsChangePoint: Marked as a change because one of 5/19/2023 4:22:12 AM, 5/24/2023 5:44:05 PM falls between 5/16/2023 12:30:38 AM and 5/24/2023 5:44:05 PM.
IsRegressionStdDev: Marked as regression because -19.543606332067146 (T) = (0 -80.60045150271827) / Math.Sqrt((0.277060122757908 / (15)) + (9.64557109243251 / (13))) is less than -2.055529438636913 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (15) + (13) - 2, .025) and -0.2681436349060964 = (63.557825221183705 - 80.60045150271827) / 63.557825221183705 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.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: Url,&lorem ipsum=dolor sit amet,16)

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 84.23813569002982 > 82.55047654377887.
IsChangePoint: Marked as a change because one of 5/19/2023 4:22:12 AM, 5/24/2023 5:44:05 PM falls between 5/16/2023 12:30:38 AM and 5/24/2023 5:44:05 PM.
IsRegressionStdDev: Marked as regression because -37.07668863034435 (T) = (0 -84.15841862230614) / Math.Sqrt((0.002364276164011589 / (15)) + (0.2870552877439589 / (13))) is less than -2.055529438636913 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (15) + (13) - 2, .025) and -0.07031892066367323 = (78.62929169758299 - 84.15841862230614) / 78.62929169758299 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 arm64
OS Windows 10.0.19041
Queue SurfaceWindows
Baseline 2f49fcff6df15a200ef01eea16b3ce7930f75c5c
Compare 09399050c82b0ff2e9b082c36524f39a1e3ad6c1
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Memory.Span<Byte>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
LastIndexOfValue - Duration of single invocation 13.74 ns 15.12 ns 1.10 0.05 False
SequenceCompareToDifferent - Duration of single invocation 2.64 ns 3.68 ns 1.39 0.49 False
IndexOfValue - Duration of single invocation 13.49 ns 14.85 ns 1.10 0.05 False

graph
graph
graph
Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

Payloads

Baseline
Compare

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.Span&lt;Byte&gt;*'

Payloads

Baseline
Compare

Histogram

System.Memory.Span<Byte>.LastIndexOfValue(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 15.11903849446876 > 14.751069542230661.
IsChangePoint: Marked as a change because one of 3/10/2023 4:14:40 PM, 4/6/2023 11:23:56 PM, 4/12/2023 8:39:35 PM, 4/27/2023 10:53:57 PM, 5/19/2023 1:23:34 PM, 5/24/2023 5:44:05 PM falls between 5/16/2023 12:30:38 AM and 5/24/2023 5:44:05 PM.
IsRegressionStdDev: Marked as regression because -6.206343144304712 (T) = (0 -15.20907025099283) / Math.Sqrt((0.964409563349339 / (16)) + (0.03859755570440446 / (12))) is less than -2.055529438636913 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (16) + (12) - 2, .025) and -0.11460801505842126 = (13.645218808332057 - 15.20907025099283) / 13.645218808332057 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.Span<Byte>.SequenceCompareToDifferent(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 3.6783630148283684 > 2.702172668779725.
IsChangePoint: Marked as a change because one of 4/25/2023 6:46:56 PM, 5/19/2023 4:22:12 AM, 5/24/2023 5:44:05 PM falls between 5/16/2023 12:30:38 AM and 5/24/2023 5:44:05 PM.
IsRegressionStdDev: Marked as regression because -10.019576376673744 (T) = (0 -3.182781883323826) / Math.Sqrt((0.04151202725700269 / (15)) + (0.05929402434081391 / (13))) is less than -2.055529438636913 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (15) + (13) - 2, .025) and -0.36891685847099465 = (2.325036662108771 - 3.182781883323826) / 2.325036662108771 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.Span<Byte>.IndexOfValue(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 14.846209896167936 > 14.049783107532253.
IsChangePoint: Marked as a change because one of 3/16/2023 2:30:29 AM, 4/3/2023 6:15:03 PM, 5/19/2023 4:22:12 AM, 5/24/2023 5:44:05 PM falls between 5/16/2023 12:30:38 AM and 5/24/2023 5:44:05 PM.
IsRegressionStdDev: Marked as regression because -36.28272688819566 (T) = (0 -14.752836388418956) / Math.Sqrt((0.00945310583899296 / (15)) + (0.009503136183282334 / (13))) is less than -2.055529438636913 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (15) + (13) - 2, .025) and -0.09979275565177313 = (13.414196731706914 - 14.752836388418956) / 13.414196731706914 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 arm64
OS Windows 10.0.19041
Queue SurfaceWindows
Baseline 2f49fcff6df15a200ef01eea16b3ce7930f75c5c
Compare 09399050c82b0ff2e9b082c36524f39a1e3ad6c1
Diff Diff
Configs CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_Guid

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
GuidToString - Duration of single invocation 22.81 ns 33.52 ns 1.47 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.Tests.Perf_Guid*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Guid.GuidToString

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 33.51524056459398 > 23.373238819194494.
IsChangePoint: Marked as a change because one of 2/5/2023 4:54:05 PM, 5/19/2023 1:23:34 PM, 5/24/2023 5:44:05 PM falls between 5/16/2023 12:30:38 AM and 5/24/2023 5:44:05 PM.
IsRegressionStdDev: Marked as regression because -61.48679543066845 (T) = (0 -33.23479392397222) / Math.Sqrt((0.23443180408278638 / (15)) + (0.17472978387708846 / (12))) is less than -2.0595385527466985 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (15) + (12) - 2, .025) and -0.47373739577573476 = (22.551367712616358 - 33.23479392397222) / 22.551367712616358 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

JIT Disasms

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees

@EgorBo EgorBo

Labels
arch-arm64 branch-refs/heads/main kind-micro os-windows perf-regression runtime-coreclr
Projects
None yet
Milestone
No milestone
Development

No branches or pull requests
1 participant
@EgorBo