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Issue 795000 link

Starred by 1 user
Status: Duplicate
Merged: issue 795004
Owner:
mstarzinger@chromium.org
Closed: Aug 17
Cc:
jarin@chromium.org
hablich@chromium.org
dtu@chromium.org
█ kraynov@chromium.org
mstarzinger@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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2.4%-2.8% regression in loading.desktop at 522285:522379

Project Member Reported by kraynov@chromium.org, Dec 14 2017 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Dec 14 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=795000

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=056dc6bb37a2453f1cc227999a40ef77357b3ef37b8acb4509f955456d94e6cf


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

chromium-rel-win7-gpu-intel
chromium-rel-win8-dual

Comment 3 by sullivan@chromium.org, Jan 22 2018

Cc: dtu@chromium.org
+dtu, the job in #2 still says "running" even though it was kicked off Dec 14. Kicking off another bisect.
Project Member

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

Cc: jarin@chromium.org tebbi@chromium.org mstarzinger@chromium.org hablich@chromium.org
Owner: mstarzinger@chromium.org
Status: Assigned (was: Untriaged)
📍 Found significant differences after each of 2 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/14af3224840000

[turbofan] do not remove speculative Number operations when they can deopt
By tebbi@chromium.org · Wed Dec 06 09:16:58 2017
v8 @ 2290ad8b55cf683110b45dea4dce098c3e12dd75

Enable --write-protect-code-memory by default.
By mstarzinger@chromium.org · Wed Dec 06 10:14:58 2017
v8 @ 02d201bfdd18f1292146dd32bcca911c3465a991

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

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

📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/14854e04840000

Enable --write-protect-code-memory by default.
By mstarzinger@chromium.org · Wed Dec 06 10:14:58 2017
v8 @ 02d201bfdd18f1292146dd32bcca911c3465a991

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

Comment 8 by tebbi@chromium.org, Jan 23 2018

Cc: -tebbi@chromium.org

Comment 9 by tdres...@chromium.org, Aug 17

Mergedinto: 795004
Status: Duplicate (was: Assigned)
►

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