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Issue 797033 link

Starred by 1 user
Status: WontFix
Owner:
█ kbr@chromium.org
OOO until 2019-01-24
Closed: Dec 2017
Cc:
█ kbr@chromium.org
█ junov@chromium.org
█ briander...@chromium.org
ericrk@chromium.org
ccameron@chromium.org
dsinclair@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 2
Type: Bug-Regression

Blocked on:
issue 794819


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68.2% regression in smoothness.tough_canvas_cases at 525219:525282

Project Member Reported by briander...@chromium.org, Dec 21 2017 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Dec 21 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=797033

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=447607187da2df07986e029adfda63340f789b32b1dc7ec6aa206575c32a19be


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

chromium-rel-mac11
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Dec 21 2017

Cc: kbr@chromium.org
Owner: kbr@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/13e63cbe040000

Blacklist accelerated 2D canvas and GPU raster on old macOS/Intel.
By kbr@chromium.org · Wed Dec 20 04:59:09 2017
chromium @ 0f82ef114f134c9861fe37a2892e6ee9b991f634

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

Comment 4 by kbr@chromium.org, Dec 22 2017

Blockedon: 794819
Cc: ccameron@chromium.org junov@chromium.org ericrk@chromium.org
Components: Blink>Canvas Internals>GPU>Internals
Labels: OS-Mac
Status: WontFix (was: Assigned)
Yes, that bot's still running 10.11 and the regression is expected. There's nothing we can do about it; the blacklist entry is required for continuing rendering correctness.
►

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