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Issue 814190 link

Starred by 1 user
Status: WontFix
Owner:
khushals...@chromium.org
Closed: Feb 2018
Cc:
█ junov@chromium.org
piman@chromium.org
█ alexclarke@chromium.org
khushals...@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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7.8%-9.1% regression in smoothness.gpu_rasterization.tough_path_rendering_cases at 536815:536946

Project Member Reported by alexclarke@chromium.org, Feb 21 2018 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Feb 21 2018 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=814190

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=67d49738f56fcf0b4b66f96f13ebfd8fbf12361e94367c5b57c0b073389c922a


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

android-nexus5X
chromium-rel-win7-gpu-nvidia
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Feb 21 2018 

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/16f7c567840000
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Feb 22 2018

Cc: piman@chromium.org junov@chromium.org khushals...@chromium.org
Owner: khushals...@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/129570a7840000

canvas: Flush GrContext at regular intervals during draw. by khushalsagar@chromium.org
https://chromium.googlesource.com/chromium/src/+/058b1a95f1d7b5cd89fa106746ee01c5250ff562

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions

Comment 6 by khushals...@chromium.org, Feb 23 2018

Status: WontFix (was: Assigned)
I couldn't repro the regression on Nexus5x locally. With flushing enabled, the frame time actually went down from 393 to 345 ms. And the same test case improved on other android devices (https://chromeperf.appspot.com/group_report?rev=536820). Overall, this is working as intended.

Comment 7 by sullivan@chromium.org, Mar 6 2018 

 Issue 814189  has been merged into this issue.
►

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