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Issue 797092 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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12.9%-37.3% regression in loading.desktop at 525201:525277

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=797092

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=713dba9ffd437a72a55966a5ce0956aa1062ac22b29fc48ccd4bffa2649c0299


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

chromium-rel-mac-retina
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/12f2d501040000
Re-kicking bisect, looks like this will repro, but pinpoint hit an error.
Project Member

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

๐Ÿ“ Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/1483122c840000
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Jan 23 2018

๐Ÿ“ Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/12ddd194840000
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Jan 23 2018

๐Ÿ“ Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/14b486b4840000
Project Member

Comment 7 by 42576172...@developer.gserviceaccount.com, Jan 23 2018

๐Ÿ˜ฟ Pinpoint job stopped with an error.
https://pinpoint-dot-chromeperf.appspot.com/job/12ddd194840000
Project Member

Comment 8 by 42576172...@developer.gserviceaccount.com, Jan 23 2018

๐Ÿ˜ฟ Pinpoint job stopped with an error.
https://pinpoint-dot-chromeperf.appspot.com/job/14b486b4840000
Project Member

Comment 9 by 42576172...@developer.gserviceaccount.com, Jan 23 2018

Cc: kinuko@chromium.org kbr@chromium.org kouhei@chromium.org nhiroki@chromium.org
Owner: nhiroki@chromium.org
Status: Assigned (was: Untriaged)
๐Ÿ“ Found significant differences after each of 3 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/1483122c840000

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

Worker: Implement WorkerGlobalScope::ImportModuleScript()
By nhiroki@chromium.org ยท Wed Dec 20 05:11:59 2017
chromium @ 715a1c5f5b3dd2e40219c5457c15e62f4726a503

Revert "Worker: Implement WorkerGlobalScope::ImportModuleScript()"
By nhiroki@chromium.org ยท Wed Dec 20 05:36:21 2017
chromium @ 97725cce21f96a452be83861663af09f5315c45a

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

Comment 10 by kbr@chromium.org, Jan 23 2018

Blockedon: 794819
Owner: kbr@chromium.org
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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