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7.1%-8.5% regression in v8.browsing_mobile at 546461:546489

Project Member Reported by ulan@google.com, Apr 2 2018 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Apr 2 2018 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=828000

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=dc7e303b8e0a873affff6649fb2cfff00d6643848fce87b849cb4330574c6ffd


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

android-nexus6
android-nexus7v2
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Apr 2 2018

Cc: primiano@chromium.org dpranke@chromium.org mathias@chromium.org machenb...@chromium.org fdoray@chromium.org jkummerow@chromium.org agrieve@chromium.org dcheng@chromium.org hablich@chromium.org jgruber@chromium.org adamk@chromium.org neis@chromium.org ssid@chromium.org
Owner: agrieve@chromium.org
Status: Assigned (was: Untriaged)
📍 Found significant differences after each of 5 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/14ae2bef440000

Ship BigInts by jkummerow@chromium.org
https://chromium.googlesource.com/v8/v8/+/16aecc5d9b091486994b1a4aa756294e5c535ee3

Disable embedded builtins for M67 branch point by jgruber@chromium.org
https://chromium.googlesource.com/v8/v8/+/b2f0d8617b9bb8aa463f6d8b7f8ca99b6ab285de

Revert "Ship BigInts" by machenbach@chromium.org
https://chromium.googlesource.com/v8/v8/+/08090db74b759367f4646f2ce5d6f53e529c6fa2

Revert "Android: Add code to parse the CFI info added to the apk" by fdoray@chromium.org
https://chromium.googlesource.com/chromium/src/+/88328b6800f987ba9f532842862021cb48875618

Revert "Enable extracting unwind table on official builds without channel" by agrieve@chromium.org
https://chromium.googlesource.com/chromium/src/+/a2474b6490ea9cfda76528059fbf23369e7d281f

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

Comment 4 by ssid@chromium.org, Apr 2 2018

Owner: jgruber@chromium.org
Seems like https://chromium.googlesource.com/v8/v8/+/b2f0d8617b9bb8aa463f6d8b7f8ca99b6ab285de is more probable.

Comment 5 by ssid@chromium.org, Apr 2 2018

Cc: -agrieve@chromium.org -dpranke@chromium.org -dcheng@chromium.org -fdoray@chromium.org -primiano@chromium.org

Comment 6 by jgruber@chromium.org, Apr 3 2018 

 Issue 827972  has been merged into this issue.

Comment 7 by jgruber@chromium.org, Apr 3 2018

Cc: fdoray@chromium.org primiano@chromium.org dpranke@chromium.org dcheng@chromium.org
 Issue 827986  has been merged into this issue.

Comment 8 by jgruber@chromium.org, Apr 3 2018

Status: WontFix (was: Assigned)
Embedded builtins were disabled for M67 (still need to work on performance) and will be re-enabled after the branch point.

Comment 9 by jgruber@chromium.org, Apr 3 2018

Blocking: v8:6666

Comment 10 by jgruber@chromium.org, Apr 3 2018

Cc: pmeenan@chromium.org agrieve@chromium.org
 Issue 828018  has been merged into this issue.

Comment 11 by jgruber@chromium.org, Apr 4 2018 

 Issue 827973  has been merged into this issue.

Comment 12 by jgruber@chromium.org, Apr 5 2018

Cc: jgruber@google.com
 Issue 828786  has been merged into this issue.

Comment 13 by jgruber@chromium.org, Apr 5 2018 

Issue 828785 has been merged into this issue.

Comment 14 by jgruber@chromium.org, Apr 6 2018

Cc: fukino@chromium.org v8-autoroll@chromium.org allenvic@chromium.org tommycli@chromium.org noel@chromium.org joelhockey@chromium.org mtomasz@chromium.org pbos@chromium.org
 Issue 827971  has been merged into this issue.

Comment 15 by jgruber@chromium.org, Apr 6 2018 

 Issue 829374  has been merged into this issue.

Comment 16 by agrieve@chromium.org, Apr 9 2018

Cc: dtu@chromium.org
 Issue 828017  has been merged into this issue.
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