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Issue 835927 link

Starred by 2 users
Status: WontFix
Owner:
ccameron@chromium.org
Closed: May 2018
Cc:
mustaq@chromium.org
ccameron@chromium.org
khushals...@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.3%-115.6% regression in system_health.memory_desktop at 552068:552234

Project Member Reported by mustaq@chromium.org, Apr 23 2018 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Apr 23 2018 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=835927

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=c1dd431271675bc23754b4cd9ee13a0da38b05c0a3b410f23b1245426f93e1b5


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

android-nexus7v2
android-one
chromium-rel-mac11-air
chromium-rel-mac11-pro
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Apr 23 2018

Cc: khushals...@chromium.org ccameron@chromium.org
Owner: ccameron@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/12eb7fb1c40000

cc: Cache color conversion results in software raster by ccameron@chromium.org
https://chromium.googlesource.com/chromium/src/+/2b8ee37329e17ee4c76ef3dbbe2a503583fcefda

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

Comment 4 by charliea@chromium.org, May 22 2018 

Chris, is this regression expected? Looks like it's responsible for a small power regression on Mac.

Comment 5 by ccameron@chromium.org, May 22 2018

Status: WontFix (was: Assigned)
Part of this patch was reverted -- this can indeed end up causing more work in some configurations, but should result in a decrease in most configurations.
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