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Issue 784367 link

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Issue metadata

Status: WontFix
Owner:
Last visit > 30 days ago
Closed: Jan 2018
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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34.1% regression in smoothness.gpu_rasterization.tough_path_rendering_cases at 515393:515490

Project Member Reported by tdres...@chromium.org, Nov 13 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Nov 13 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=784367

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=7a6e34a657c8eb1998d5e18af8921592f94822c97b2be234960fc6a472f0cfa7


Bot(s) for this bug's original alert(s):

chromium-rel-win7-gpu-intel
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Nov 13 2017


=== BISECT JOB RESULTS ===
Perf regression found but unable to continue

Bisect was stopped because a commit couldn't be classified as either
good or bad.


Bisect Details
  Configuration: winx64intel_perf_bisect
  Benchmark    : smoothness.gpu_rasterization.tough_path_rendering_cases
  Metric       : frame_times/MotionMark Canvas Fill Shapes

Revision             Result                   N
chromium@515392      21.9643 +- 0.626968      21      good
chromium@515441      22.6689 +- 3.97014       21      unknown
chromium@515490      22.1152 +- 0.901124      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=MotionMark.Canvas.Fill.Shapes smoothness.gpu_rasterization.tough_path_rendering_cases

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8963034967846678672


For feedback, file a bug with component Speed>Bisection
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Nov 13 2017

Cc: jcivelli@google.com
Owner: jcivelli@google.com
Status: Assigned (was: Untriaged)

=== Auto-CCing suspected CL author jcivelli@google.com ===

Hi jcivelli@google.com, the bisect results pointed to your CL, please take a look at the
results.


=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : Jay Civelli
  Commit : d5b61433a7efc6d3ad90a9bb6f7a5304bbe0b8c2
  Date   : Fri Nov 10 03:37:05 2017
  Subject: Servicifying SafeArchiveAnalyzer.

Bisect Details
  Configuration: winx64intel_perf_bisect
  Benchmark    : smoothness.gpu_rasterization.tough_path_rendering_cases
  Metric       : frame_times/MotionMark Canvas Fill Shapes
  Change       : 1.64% | 21.7395917434 -> 22.0954027106

Revision             Result                   N
chromium@515392      21.7396 +- 0.15002       6       good
chromium@515417      21.712 +- 0.428409       9       good
chromium@515429      21.7057 +- 0.569616      9       good
chromium@515435      21.7849 +- 0.50265       9       good
chromium@515438      21.8699 +- 0.714334      9       good
chromium@515440      21.8485 +- 0.450352      14      good
chromium@515441      22.7497 +- 2.28466       9       bad       <--
chromium@515490      22.0954 +- 0.500846      6       bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=MotionMark.Canvas.Fill.Shapes smoothness.gpu_rasterization.tough_path_rendering_cases

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8963022943041171904


For feedback, file a bug with component Speed>Bisection
I doubt my CL affected this, it's not in any of the code path of any GPU related work.
Status: WontFix (was: Assigned)
Bisect isn't reproing anywhere near what the original regression said, and it went back down.

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