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Issue 797094 link

Starred by 1 user

Issue metadata

Status: WontFix
Owner:
OOO until 2019-01-24
Closed: Jan 2018
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression

Blocked on:
issue 794819



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34% regression in performance_browser_tests at 525278:525301

Project Member Reported by briander...@chromium.org, Dec 21 2017

Issue description

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=797094

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=3f902df860a5dd53f165852c7b71a09155cbc817af6900fb40d387b46944de38


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

chromium-rel-mac11-air
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Dec 21 2017

๐Ÿ“ Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/16bd1f7e040000
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Dec 22 2017

๐Ÿ“ Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/16bd1f7e040000
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Jan 23 2018

๐Ÿ“ Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/14ad2eb4840000
Trying a wider range, but this looks like it also got noisier.
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Jan 24 2018

Cc: kbr@chromium.org
Owner: kbr@chromium.org
Status: Assigned (was: Untriaged)
๐Ÿ“ Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/14ad2eb4840000

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

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

Comment 7 by kbr@chromium.org, Jan 25 2018

Blockedon: 794819
Status: WontFix (was: Assigned)
This is expected due to the needed fix for  Issue 794819  and the fact that this bot is still running 10.11.

We should be testing on current operating system versions, not obsolete ones.

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