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Issue 783775 link

Starred by 1 user

Issue metadata

Status: WontFix
Owner:
Closed: Jan 2018
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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50.6%-51.9% improvement in system_health.common_desktop at 514117:514389

Project Member Reported by alexclarke@chromium.org, Nov 10 2017

Issue description

Suspiciously large improvement, did something break?
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Nov 10 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=783775

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=f54063ecd76eccdb1ccc6cf18f282e53d97ff2ba6b0daa76b7031b63a8f0dd2c


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

chromium-rel-mac-retina
chromium-rel-mac11
linux-release
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Nov 10 2017

๐Ÿ“ Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/17b03276f80000
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Nov 10 2017

Cc: hirosh...@chromium.org japhet@chromium.org kouhei@chromium.org
Owner: japhet@chromium.org
Status: Assigned (was: Untriaged)
๐Ÿ“ Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/17b03276f80000

Make script cache hits async
By japhet@chromium.org ยท Mon Nov 06 23:47:59 2017
chromium @ 1aec1a92fb786cae0a24ff2b22d4858d4486252e

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions
Status: WontFix (was: Assigned)
japhet: looks like this this CL did improve some loading metrics in addition to the regressions that caused the revert. But looks like overall the losses outweighed the gains: https://chromeperf.appspot.com/group_report?rev=514299. So WontFix-ing this, but feel free to reopen.

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