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.

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

[Perf] Changes at 6/27/2022 5:19:23 PM #6480

Open
performanceautofiler bot opened this issue Jun 30, 2022 · 3 comments
Open

[Perf] Changes at 6/27/2022 5:19:23 PM #6480

performanceautofiler bot opened this issue Jun 30, 2022 · 3 comments
Assignees
Labels
arch-arm64 branch-refs/heads/main kind-micro os-linux perf-regression PGO Applied if there were any profile guided optimization updates in the observed interval. runtime-coreclr untriaged

Comments

@performanceautofiler
Copy link

performanceautofiler bot commented Jun 30, 2022

Run Information

Architecture arm64
OS ubuntu 18.04
Baseline c9f80fdde29c71ac87971383c77a1a5e665fadb9
Compare a38b50c3a2f828458d15e68c78460db3ec7e5cda
Diff Diff

Regressions in System.Text.Json.Tests.Perf_Basic

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
WriteBasicUtf8 - Duration of single invocation 4.10 ms 4.44 ms 1.08 0.29 False
WriteBasicUtf16 - Duration of single invocation 3.00 ms 3.30 ms 1.10 0.14 False
WriteBasicUtf16 - Duration of single invocation 4.03 ms 4.90 ms 1.22 0.13 False
WriteBasicUtf16 - Duration of single invocation 3.57 ms 4.26 ms 1.19 0.22 False
WriteBasicUtf16 - Duration of single invocation 2.69 ms 2.98 ms 1.11 0.16 False

graph
graph
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.Text.Json.Tests.Perf_Basic*'

Payloads

Baseline
Compare

Histogram

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


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 4.444458431168831 > 4.311377064942185.
IsChangePoint: Marked as a change because one of 3/17/2022 6:54:53 PM, 4/14/2022 4:58:13 PM, 6/27/2022 8:54:23 AM, 6/30/2022 12:21:07 PM falls between 6/21/2022 9:29:01 PM and 6/30/2022 12:21:07 PM.
IsRegressionStdDev: Marked as regression because -16.83379344648698 (T) = (0 -4463305.100109552) / Math.Sqrt((9142080237.480173 / (32)) + (827201494.6939982 / (12))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (32) + (12) - 2, .025) and -0.07645483707550935 = (4146300.3800840997 - 4463305.100109552) / 4146300.3800840997 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.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: False, SkipValidation: False, DataSize: 100000)

```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 3.3006775093984952 > 3.1589532336930657.
IsChangePoint: Marked as a change because one of 3/17/2022 6:54:53 PM, 4/16/2022 8:46:33 PM, 6/27/2022 8:54:23 AM, 6/30/2022 12:21:07 PM falls between 6/21/2022 9:29:01 PM and 6/30/2022 12:21:07 PM.
IsRegressionStdDev: Marked as regression because -19.042326597587493 (T) = (0 -3263586.6601551957) / Math.Sqrt((3596978411.389027 / (32)) + (871565799.7410324 / (12))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (32) + (12) - 2, .025) and -0.08621198296409414 = (3004557.776327788 - 3263586.6601551957) / 3004557.776327788 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.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: True, SkipValidation: False, DataSize: 100000)

```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 4.897048922222223 > 4.247385092811829.
IsChangePoint: Marked as a change because one of 3/17/2022 11:30:59 AM, 4/14/2022 9:05:43 AM, 6/27/2022 8:54:23 AM, 6/30/2022 12:21:07 PM falls between 6/21/2022 9:29:01 PM and 6/30/2022 12:21:07 PM.
IsRegressionStdDev: Marked as regression because -9.517592618394199 (T) = (0 -4504264.109989512) / Math.Sqrt((7036560955.811689 / (32)) + (21098221125.94473 / (12))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (32) + (12) - 2, .025) and -0.10372562352431872 = (4080963.61449587 - 4504264.109989512) / 4080963.61449587 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.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: True, SkipValidation: True, DataSize: 100000)

```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 4.258219942690059 > 3.7959758508970585.
IsChangePoint: Marked as a change because one of 3/14/2022 7:02:48 PM, 4/14/2022 9:05:43 AM, 6/27/2022 8:54:23 AM, 6/30/2022 12:21:07 PM falls between 6/21/2022 9:29:01 PM and 6/30/2022 12:21:07 PM.
IsRegressionStdDev: Marked as regression because -13.527137559910468 (T) = (0 -4344886.498613778) / Math.Sqrt((22752946990.1049 / (32)) + (20337299786.97004 / (12))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (32) + (12) - 2, .025) and -0.1802286339097474 = (3681393.9043492423 - 4344886.498613778) / 3681393.9043492423 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.Text.Json.Tests.Perf_Basic.WriteBasicUtf16(Formatted: False, SkipValidation: True, DataSize: 100000)

```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 2.981186115662651 > 2.838501074550744.
IsChangePoint: Marked as a change because one of 3/17/2022 11:30:59 AM, 4/16/2022 2:55:52 PM, 6/27/2022 8:54:23 AM, 6/30/2022 12:21:07 PM falls between 6/21/2022 9:29:01 PM and 6/30/2022 12:21:07 PM.
IsRegressionStdDev: Marked as regression because -13.43886572168155 (T) = (0 -3037361.6314837974) / Math.Sqrt((5921492961.505787 / (32)) + (4220622328.004373 / (12))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (32) + (12) - 2, .025) and -0.11421621236995425 = (2726007.3922486594 - 3037361.6314837974) / 2726007.3922486594 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

### Run Information
Architecture arm64
OS ubuntu 18.04
Baseline c9f80fdde29c71ac87971383c77a1a5e665fadb9
Compare a38b50c3a2f828458d15e68c78460db3ec7e5cda
Diff Diff

Regressions in System.Buffers.Text.Tests.Utf8FormatterTests

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
FormatterInt64 - Duration of single invocation 47.75 ns 58.05 ns 1.22 0.40 False
FormatterInt32 - Duration of single invocation 13.48 ns 23.88 ns 1.77 0.76 False
FormatterInt32 - Duration of single invocation 20.80 ns 27.50 ns 1.32 0.72 False
FormatterInt32 - Duration of single invocation 18.13 ns 23.85 ns 1.32 0.69 False
FormatterInt64 - Duration of single invocation 44.67 ns 50.71 ns 1.14 0.48 False
FormatterInt64 - Duration of single invocation 16.18 ns 22.72 ns 1.40 0.76 False

graph
graph
graph
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.Utf8FormatterTests*'

Payloads

Baseline
Compare

Histogram

System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt64(value: 9223372036854775807)


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 58.049817872416355 > 49.32882021594207.
IsChangePoint: Marked as a change because one of 4/15/2022 3:54:24 AM, 6/27/2022 8:54:23 AM, 6/30/2022 12:21:07 PM falls between 6/21/2022 9:29:01 PM and 6/30/2022 12:21:07 PM.
IsRegressionStdDev: Marked as regression because -7.452668879009599 (T) = (0 -53.986856534069894) / Math.Sqrt((6.588462114017324 / (32)) + (6.497378260181185 / (12))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (32) + (12) - 2, .025) and -0.13551064776552363 = (47.544121792522255 - 53.986856534069894) / 47.544121792522255 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.Utf8FormatterTests.FormatterInt32(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 23.87913629143294 > 13.948645017615885.
IsChangePoint: Marked as a change because one of 4/14/2022 9:05:43 AM, 6/27/2022 8:54:23 AM, 6/30/2022 12:21:07 PM falls between 6/21/2022 9:29:01 PM and 6/30/2022 12:21:07 PM.
IsRegressionStdDev: Marked as regression because -12.419496327778193 (T) = (0 -22.256574943366417) / Math.Sqrt((3.5330661656749265 / (32)) + (4.42466545747915 / (12))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (32) + (12) - 2, .025) and -0.6293374420188959 = (13.659892892284189 - 22.256574943366417) / 13.659892892284189 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.Utf8FormatterTests.FormatterInt32(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 27.501393730681837 > 23.304146599893283.
IsChangePoint: Marked as a change because one of 4/14/2022 9:05:43 AM, 6/27/2022 8:54:23 AM, 6/30/2022 12:21:07 PM falls between 6/21/2022 9:29:01 PM and 6/30/2022 12:21:07 PM.
IsRegressionStdDev: Marked as regression because -9.081961084525158 (T) = (0 -30.03402578391474) / Math.Sqrt((6.864684459288596 / (32)) + (6.933184085420094 / (12))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (32) + (12) - 2, .025) and -0.3682847837321641 = (21.95012773729257 - 30.03402578391474) / 21.95012773729257 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.Utf8FormatterTests.FormatterInt32(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 23.853929626161055 > 15.981084372597541.
IsChangePoint: Marked as a change because one of 4/14/2022 4:58:13 PM, 6/27/2022 8:54:23 AM, 6/30/2022 12:21:07 PM falls between 6/21/2022 9:29:01 PM and 6/30/2022 12:21:07 PM.
IsRegressionStdDev: Marked as regression because -13.3297358933596 (T) = (0 -24.888331841447478) / Math.Sqrt((3.6207930546753615 / (32)) + (3.923815476524818 / (12))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (32) + (12) - 2, .025) and -0.5511547266636977 = (16.045034975317108 - 24.888331841447478) / 16.045034975317108 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.Utf8FormatterTests.FormatterInt64(value: -9223372036854775808)

```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 50.7111355236821 > 46.29760386082962.
IsChangePoint: Marked as a change because one of 4/14/2022 9:05:43 AM, 6/27/2022 8:54:23 AM, 6/30/2022 12:21:07 PM falls between 6/21/2022 9:29:01 PM and 6/30/2022 12:21:07 PM.
IsRegressionStdDev: Marked as regression because -10.741645099401214 (T) = (0 -51.879611449806625) / Math.Sqrt((6.5820841116265 / (32)) + (4.838650830898245 / (12))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (32) + (12) - 2, .025) and -0.19270026991908473 = (43.49761021964575 - 51.879611449806625) / 43.49761021964575 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.Utf8FormatterTests.FormatterInt64(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 22.722251919388587 > 14.126255740541126.
IsChangePoint: Marked as a change because one of 4/14/2022 9:05:43 AM, 6/27/2022 8:54:23 AM, 6/30/2022 12:21:07 PM falls between 6/21/2022 9:29:01 PM and 6/30/2022 12:21:07 PM.
IsRegressionStdDev: Marked as regression because -9.663538969944737 (T) = (0 -21.542573484412348) / Math.Sqrt((4.406705104294888 / (32)) + (4.366090843656918 / (12))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (32) + (12) - 2, .025) and -0.46559750339779227 = (14.698833366233748 - 21.542573484412348) / 14.698833366233748 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

Run Information

Architecture arm64
OS ubuntu 18.04
Baseline c9f80fdde29c71ac87971383c77a1a5e665fadb9
Compare a38b50c3a2f828458d15e68c78460db3ec7e5cda
Diff Diff

Regressions in System.Memory.Slice<Byte>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
MemoryStartLengthSpan - Duration of single invocation 9.24 ns 10.58 ns 1.14 0.42 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Memory.Slice&lt;Byte&gt;*'

Payloads

Baseline
Compare

Histogram

System.Memory.Slice<Byte>.MemoryStartLengthSpan


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 10.576191238946981 > 6.634014670785989.
IsChangePoint: Marked as a change because one of 3/17/2022 11:30:59 AM, 5/20/2022 10:18:01 PM, 6/27/2022 8:54:23 AM, 6/30/2022 12:21:07 PM falls between 6/21/2022 9:29:01 PM and 6/30/2022 12:21:07 PM.
IsRegressionStdDev: Marked as regression because -8.971207503998814 (T) = (0 -11.684089223684104) / Math.Sqrt((1.5327994833127516 / (32)) + (2.7893696885360533 / (12))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (32) + (12) - 2, .025) and -0.6850363645735776 = (6.934027935142473 - 11.684089223684104) / 6.934027935142473 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

Run Information

Architecture arm64
OS ubuntu 18.04
Baseline c9f80fdde29c71ac87971383c77a1a5e665fadb9
Compare a38b50c3a2f828458d15e68c78460db3ec7e5cda
Diff Diff

Regressions in System.Collections.Concurrent.Count<String>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
Queue - Duration of single invocation 39.66 ns 56.60 ns 1.43 0.64 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.Concurrent.Count&lt;String&gt;*'

Payloads

Baseline
Compare

Histogram

System.Collections.Concurrent.Count<String>.Queue(Size: 512)


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 56.60361586920631 > 53.58270992560154.
IsChangePoint: Marked as a change because one of 6/27/2022 8:54:23 AM, 6/30/2022 12:21:07 PM falls between 6/21/2022 9:29:01 PM and 6/30/2022 12:21:07 PM.
IsRegressionStdDev: Marked as regression because -11.72357655439461 (T) = (0 -56.59333294525117) / Math.Sqrt((28.77074481077868 / (32)) + (3.2671018915573513 / (12))) is less than -2.0180817028167235 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (32) + (12) - 2, .025) and -0.28899331364477726 = (43.90506323514355 - 56.59333294525117) / 43.90506323514355 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

@performanceautofiler performanceautofiler bot added arm64 PGO Applied if there were any profile guided optimization updates in the observed interval. untriaged labels Jun 30, 2022
@dakersnar
Copy link

@AndyAyersMS Do you think all of this is PGO or is some of it worth looking closer at?

@dakersnar
Copy link

Almost every test here follows a similar pattern that looks like this
image

@AndyAyersMS
Copy link
Member

Could be PGO but could also be dotnet/runtime#71161. Eg the latter has ARM64 diffs like:

         -56 (-2.33 % of base) : 2952.dasm - System.Text.Json.Tests.Perf_Basic:WriteBasicUtf16():this

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
arch-arm64 branch-refs/heads/main kind-micro os-linux perf-regression PGO Applied if there were any profile guided optimization updates in the observed interval. runtime-coreclr untriaged
Projects
None yet
Development

No branches or pull requests

2 participants