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Arm64: Regressions in System.Buffers.Text.Tests.Utf8ParserTests #69561

Closed
performanceautofiler bot opened this issue May 19, 2022 · 4 comments
Closed

Arm64: Regressions in System.Buffers.Text.Tests.Utf8ParserTests #69561

performanceautofiler bot opened this issue May 19, 2022 · 4 comments
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@jakobbotsch
Labels
arch-arm64 area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI os-linux Linux OS (any supported distro) runtime-coreclr specific to the CoreCLR runtime tenet-performance Performance related issue tenet-performance-benchmarks Issue from performance benchmark
Milestone
7.0.0

Comments

@performanceautofiler
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Run Information

Architecture arm64
OS ubuntu 18.04
Baseline 35e47797a36e29475d28af61f0fa0fb3bf067838
Compare 04e65d2b871211832f9999256435787c727afd0f
Diff Diff

Regressions in System.Buffers.Text.Tests.Utf8ParserTests

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
TryParseInt16 - Duration of single invocation 9.63 ns 10.78 ns 1.12 0.79 False
TryParseInt32 - Duration of single invocation 8.47 ns 17.33 ns 2.05 0.72 False
TryParseUInt16 - Duration of single invocation 7.65 ns 10.78 ns 1.41 0.78 False
TryParseInt32 - Duration of single invocation 16.17 ns 19.25 ns 1.19 0.61 False
TryParseInt32 - Duration of single invocation 14.64 ns 18.87 ns 1.29 0.60 False
TryParseUInt32Hex - Duration of single invocation 9.63 ns 11.17 ns 1.16 0.72 False
TryParseUInt32 - Duration of single invocation 14.63 ns 22.72 ns 1.55 0.67 False
TryParseByte - Duration of single invocation 7.70 ns 13.09 ns 1.70 0.78 False
TryParseInt16 - Duration of single invocation 9.24 ns 18.49 ns 2.00 0.75 False
TryParseSByte - Duration of single invocation 8.86 ns 16.95 ns 1.91 0.75 False
TryParseSByte - Duration of single invocation 7.32 ns 16.56 ns 2.26 0.77 False

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Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Buffers.Text.Tests.Utf8ParserTests*'

Payloads

Baseline
Compare

Histogram

System.Buffers.Text.Tests.Utf8ParserTests.TryParseInt16(value: 0)

Description of detection logic

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 10.782860856397411 > 10.109175906001294.
IsChangePoint: Marked as a change because one of 5/12/2022 12:13:09 PM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -4.635254687296471 (T) = (0 -13.063076685743946) / Math.Sqrt((6.845976700879058 / (23)) + (5.822566093047976 / (23))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (23) + (23) - 2, .025) and -0.35749031281822563 = (9.622961256072811 - 13.063076685743946) / 9.622961256072811 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseInt32(value: 12345)

```log

Description of detection logic

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 17.33118041161458 > 10.108235495580164.
IsChangePoint: Marked as a change because one of 5/12/2022 12:13:09 PM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -4.53668745482909 (T) = (0 -14.190593903917929) / Math.Sqrt((4.475837516887429 / (23)) + (6.783843407502108 / (23))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (23) + (23) - 2, .025) and -0.2881373737173836 = (11.016366882490077 - 14.190593903917929) / 11.016366882490077 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseUInt16(value: 0)

```log

Description of detection logic

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 10.781924348235044 > 10.109880212040375.
IsChangePoint: Marked as a change because one of 5/13/2022 2:27:51 PM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -3.5505874167279368 (T) = (0 -12.588266327802963) / Math.Sqrt((4.251841579494947 / (28)) + (8.444919307259324 / (18))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (28) + (18) - 2, .025) and -0.28579666917752344 = (9.790246490415324 - 12.588266327802963) / 9.790246490415324 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseInt32(value: -2147483648)

```log

Description of detection logic

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 19.25263233795267 > 16.57825649560722.
IsChangePoint: Marked as a change because one of 1/27/2022 5:13:24 AM, 1/28/2022 4:34:00 PM, 5/12/2022 5:35:05 PM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -7.085220017208787 (T) = (0 -20.9972936280686) / Math.Sqrt((3.737810261468914 / (24)) + (4.79472383150721 / (22))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (22) - 2, .025) and -0.2598789784355232 = (16.66611951422696 - 20.9972936280686) / 16.66611951422696 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseInt32(value: 2147483647)

```log

Description of detection logic

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 18.868876840311355 > 16.291139950674058.
IsChangePoint: Marked as a change because one of 5/12/2022 12:13:09 PM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -6.6473373366611 (T) = (0 -21.18426189081192) / Math.Sqrt((4.469448637886931 / (23)) + (4.973276834777003 / (23))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (23) + (23) - 2, .025) and -0.2516537095936598 = (16.92501826059321 - 21.18426189081192) / 16.92501826059321 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseUInt32Hex(value: 3039)

```log

Description of detection logic

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 11.165599476637128 > 9.704054870540054.
IsChangePoint: Marked as a change because one of 5/14/2022 4:46:08 AM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -4.049284161719903 (T) = (0 -13.988388171749106) / Math.Sqrt((3.813116745413951 / (31)) + (9.612254761456256 / (15))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (31) + (15) - 2, .025) and -0.3386732452760635 = (10.449441804496807 - 13.988388171749106) / 10.449441804496807 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseUInt32(value: 4294967295)

```log

Description of detection logic

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 22.720838011379303 > 15.566226845653755.
IsChangePoint: Marked as a change because one of 1/27/2022 1:01:32 PM, 5/12/2022 9:53:12 PM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -9.132779023798884 (T) = (0 -19.147134985802133) / Math.Sqrt((1.9926372738328482 / (25)) + (3.395893964327265 / (21))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (25) + (21) - 2, .025) and -0.30609459692052216 = (14.659837833298429 - 19.147134985802133) / 14.659837833298429 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseByte(value: 0)

```log

Description of detection logic

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 13.092371978182712 > 8.895516449119865.
IsChangePoint: Marked as a change because one of 5/12/2022 5:35:05 PM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -4.743545259996151 (T) = (0 -13.342731035494637) / Math.Sqrt((5.888046509243378 / (24)) + (8.783466028146595 / (22))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (22) - 2, .025) and -0.3994409214194861 = (9.5343296249768 - 13.342731035494637) / 9.5343296249768 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseInt16(value: 32767)

```log

Description of detection logic

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 18.48649249672522 > 10.714090217453526.
IsChangePoint: Marked as a change because one of 5/13/2022 2:27:51 PM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -5.253908833197242 (T) = (0 -15.978011575966194) / Math.Sqrt((5.576779351912681 / (28)) + (5.162746012784022 / (18))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (28) + (18) - 2, .025) and -0.29740564936790637 = (12.315355327572878 - 15.978011575966194) / 12.315355327572878 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseSByte(value: -128)

```log

Description of detection logic

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 16.94686674109939 > 9.50090980404752.
IsChangePoint: Marked as a change because one of 5/12/2022 5:35:05 PM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -7.601193716709655 (T) = (0 -13.957330692136692) / Math.Sqrt((3.3503678260703977 / (24)) + (4.443849742672726 / (22))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (22) - 2, .025) and -0.46691546171738996 = (9.51474782043415 - 13.957330692136692) / 9.51474782043415 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseSByte(value: 127)

```log

Description of detection logic

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 16.561248066321802 > 11.241848516398774.
IsChangePoint: Marked as a change because one of 5/14/2022 8:55:12 PM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -4.687954567415959 (T) = (0 -15.648282412805179) / Math.Sqrt((9.469557053675128 / (34)) + (7.943975702059151 / (12))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (34) + (12) - 2, .025) and -0.4095140986680483 = (11.101898468126265 - 15.648282412805179) / 11.101898468126265 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.

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@performanceautofiler performanceautofiler bot added arm64 untriaged New issue has not been triaged by the area owner labels May 19, 2022
@DrewScoggins DrewScoggins assigned EgorBo and unassigned dakersnar May 19, 2022
@kunalspathak kunalspathak changed the title [Perf] Changes at 5/12/2022 5:35:05 PM Arm64: Regressions in System.Buffers.Text.Tests.Utf8ParserTests May 19, 2022
@kunalspathak kunalspathak assigned jakobbotsch and unassigned EgorBo May 19, 2022
@kunalspathak kunalspathak transferred this issue from dotnet/perf-autofiling-issues May 19, 2022
@dotnet-issue-labeler dotnet-issue-labeler bot added the area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI label May 19, 2022
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ghost commented May 19, 2022

Tagging subscribers to this area: @JulieLeeMSFT
See info in area-owners.md if you want to be subscribed.

Issue Details

Run Information

Architecture arm64
OS ubuntu 18.04
Baseline 35e47797a36e29475d28af61f0fa0fb3bf067838
Compare 04e65d2b871211832f9999256435787c727afd0f
Diff Diff

Regressions in System.Buffers.Text.Tests.Utf8ParserTests

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
TryParseInt16 - Duration of single invocation 9.63 ns 10.78 ns 1.12 0.79 False
TryParseInt32 - Duration of single invocation 8.47 ns 17.33 ns 2.05 0.72 False
TryParseUInt16 - Duration of single invocation 7.65 ns 10.78 ns 1.41 0.78 False
TryParseInt32 - Duration of single invocation 16.17 ns 19.25 ns 1.19 0.61 False
TryParseInt32 - Duration of single invocation 14.64 ns 18.87 ns 1.29 0.60 False
TryParseUInt32Hex - Duration of single invocation 9.63 ns 11.17 ns 1.16 0.72 False
TryParseUInt32 - Duration of single invocation 14.63 ns 22.72 ns 1.55 0.67 False
TryParseByte - Duration of single invocation 7.70 ns 13.09 ns 1.70 0.78 False
TryParseInt16 - Duration of single invocation 9.24 ns 18.49 ns 2.00 0.75 False
TryParseSByte - Duration of single invocation 8.86 ns 16.95 ns 1.91 0.75 False
TryParseSByte - Duration of single invocation 7.32 ns 16.56 ns 2.26 0.77 False

graph
graph
graph
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graph
graph
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graph
graph
graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Buffers.Text.Tests.Utf8ParserTests*'

Payloads

Baseline
Compare

Histogram

System.Buffers.Text.Tests.Utf8ParserTests.TryParseInt16(value: 0)

Description of detection logic

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 10.782860856397411 > 10.109175906001294.
IsChangePoint: Marked as a change because one of 5/12/2022 12:13:09 PM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -4.635254687296471 (T) = (0 -13.063076685743946) / Math.Sqrt((6.845976700879058 / (23)) + (5.822566093047976 / (23))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (23) + (23) - 2, .025) and -0.35749031281822563 = (9.622961256072811 - 13.063076685743946) / 9.622961256072811 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseInt32(value: 12345)

```log

Description of detection logic

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 17.33118041161458 > 10.108235495580164.
IsChangePoint: Marked as a change because one of 5/12/2022 12:13:09 PM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -4.53668745482909 (T) = (0 -14.190593903917929) / Math.Sqrt((4.475837516887429 / (23)) + (6.783843407502108 / (23))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (23) + (23) - 2, .025) and -0.2881373737173836 = (11.016366882490077 - 14.190593903917929) / 11.016366882490077 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseUInt16(value: 0)

```log

Description of detection logic

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 10.781924348235044 > 10.109880212040375.
IsChangePoint: Marked as a change because one of 5/13/2022 2:27:51 PM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -3.5505874167279368 (T) = (0 -12.588266327802963) / Math.Sqrt((4.251841579494947 / (28)) + (8.444919307259324 / (18))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (28) + (18) - 2, .025) and -0.28579666917752344 = (9.790246490415324 - 12.588266327802963) / 9.790246490415324 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseInt32(value: -2147483648)

```log

Description of detection logic

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 19.25263233795267 > 16.57825649560722.
IsChangePoint: Marked as a change because one of 1/27/2022 5:13:24 AM, 1/28/2022 4:34:00 PM, 5/12/2022 5:35:05 PM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -7.085220017208787 (T) = (0 -20.9972936280686) / Math.Sqrt((3.737810261468914 / (24)) + (4.79472383150721 / (22))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (22) - 2, .025) and -0.2598789784355232 = (16.66611951422696 - 20.9972936280686) / 16.66611951422696 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseInt32(value: 2147483647)

```log

Description of detection logic

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 18.868876840311355 > 16.291139950674058.
IsChangePoint: Marked as a change because one of 5/12/2022 12:13:09 PM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -6.6473373366611 (T) = (0 -21.18426189081192) / Math.Sqrt((4.469448637886931 / (23)) + (4.973276834777003 / (23))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (23) + (23) - 2, .025) and -0.2516537095936598 = (16.92501826059321 - 21.18426189081192) / 16.92501826059321 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseUInt32Hex(value: 3039)

```log

Description of detection logic

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 11.165599476637128 > 9.704054870540054.
IsChangePoint: Marked as a change because one of 5/14/2022 4:46:08 AM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -4.049284161719903 (T) = (0 -13.988388171749106) / Math.Sqrt((3.813116745413951 / (31)) + (9.612254761456256 / (15))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (31) + (15) - 2, .025) and -0.3386732452760635 = (10.449441804496807 - 13.988388171749106) / 10.449441804496807 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseUInt32(value: 4294967295)

```log

Description of detection logic

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 22.720838011379303 > 15.566226845653755.
IsChangePoint: Marked as a change because one of 1/27/2022 1:01:32 PM, 5/12/2022 9:53:12 PM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -9.132779023798884 (T) = (0 -19.147134985802133) / Math.Sqrt((1.9926372738328482 / (25)) + (3.395893964327265 / (21))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (25) + (21) - 2, .025) and -0.30609459692052216 = (14.659837833298429 - 19.147134985802133) / 14.659837833298429 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseByte(value: 0)

```log

Description of detection logic

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 13.092371978182712 > 8.895516449119865.
IsChangePoint: Marked as a change because one of 5/12/2022 5:35:05 PM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -4.743545259996151 (T) = (0 -13.342731035494637) / Math.Sqrt((5.888046509243378 / (24)) + (8.783466028146595 / (22))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (22) - 2, .025) and -0.3994409214194861 = (9.5343296249768 - 13.342731035494637) / 9.5343296249768 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseInt16(value: 32767)

```log

Description of detection logic

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 18.48649249672522 > 10.714090217453526.
IsChangePoint: Marked as a change because one of 5/13/2022 2:27:51 PM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -5.253908833197242 (T) = (0 -15.978011575966194) / Math.Sqrt((5.576779351912681 / (28)) + (5.162746012784022 / (18))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (28) + (18) - 2, .025) and -0.29740564936790637 = (12.315355327572878 - 15.978011575966194) / 12.315355327572878 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseSByte(value: -128)

```log

Description of detection logic

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 16.94686674109939 > 9.50090980404752.
IsChangePoint: Marked as a change because one of 5/12/2022 5:35:05 PM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -7.601193716709655 (T) = (0 -13.957330692136692) / Math.Sqrt((3.3503678260703977 / (24)) + (4.443849742672726 / (22))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (22) - 2, .025) and -0.46691546171738996 = (9.51474782043415 - 13.957330692136692) / 9.51474782043415 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8ParserTests.TryParseSByte(value: 127)

```log

Description of detection logic

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 16.561248066321802 > 11.241848516398774.
IsChangePoint: Marked as a change because one of 5/14/2022 8:55:12 PM, 5/18/2022 4:10:31 AM falls between 5/9/2022 3:38:36 PM and 5/18/2022 4:10:31 AM.
IsRegressionStdDev: Marked as regression because -4.687954567415959 (T) = (0 -15.648282412805179) / Math.Sqrt((9.469557053675128 / (34)) + (7.943975702059151 / (12))) is less than -2.0153675744421933 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (34) + (12) - 2, .025) and -0.4095140986680483 = (11.101898468126265 - 15.648282412805179) / 11.101898468126265 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

Docs

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

Author: performanceautofiler[bot]
Assignees: jakobbotsch
Labels:

area-CodeGen-coreclr, untriaged, refs/heads/main, ubuntu 18.04, RunKind=micro, Regression, CoreClr, arm64
Milestone: -

@kunalspathak
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Could be related to #69034?

@kunalspathak kunalspathak added tenet-performance Performance related issue tenet-performance-benchmarks Issue from performance benchmark labels May 19, 2022
@kunalspathak
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Also in dotnet/perf-autofiling-issues#5417

@JulieLeeMSFT JulieLeeMSFT removed the untriaged New issue has not been triaged by the area owner label May 20, 2022
@JulieLeeMSFT JulieLeeMSFT added this to the 7.0.0 milestone May 20, 2022
@jakobbotsch
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Looking at recent graphs this seems to have returned to normal (or even a little better than before).

@ghost ghost locked as resolved and limited conversation to collaborators Jul 28, 2022
@jeffhandley jeffhandley added arch-arm64 runtime-coreclr specific to the CoreCLR runtime and removed arm64 labels Dec 28, 2022
@jeffhandley jeffhandley added os-linux Linux OS (any supported distro) and removed RunKind=micro labels Dec 28, 2022
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arch-arm64 area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI os-linux Linux OS (any supported distro) runtime-coreclr specific to the CoreCLR runtime tenet-performance Performance related issue tenet-performance-benchmarks Issue from performance benchmark
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