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Issue 834917 link

Starred by 2 users
Status: WontFix
Owner: ----
Closed: Oct 25
Cc:
a...@chromium.org
█ bsalomon@chromium.org
kouhei@chromium.org
robertph...@google.com
fs...@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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57.7%-213% regression in system_health.memory_desktop at 550965:551101

Project Member Reported by kouhei@google.com, Apr 19 2018 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Apr 19 2018 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=834917

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=55476099426ff32c48ca0b76d943388d30d5c58149d9ef502de70bd047b6410a


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

android-nexus5X
android-nexus6
android-nexus7v2
chromium-rel-mac11-pro
chromium-rel-win7-dual
chromium-rel-win8-dual
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Apr 20 2018

Cc: bsalomon@chromium.org a...@chromium.org fs...@chromium.org robertph...@google.com junov@chromium.org
Owner: junov@chromium.org
Status: Assigned (was: Untriaged)
📍 Found significant differences after each of 4 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/12b0c0eec40000

Fix alpha-unpremultiply overflow in WebGL+toDataURL by junov@chromium.org
https://chromium.googlesource.com/chromium/src/+/dcffdac67a98797ffadf4aa14ce979ceffbb8f53

Reland "Use new Skia GPU read/write pixel code paths" by bsalomon@chromium.org
https://chromium.googlesource.com/chromium/src/+/613f554306490882f0f3050f5d068f23dc050b08

Revert "Reland "Use new Skia GPU read/write pixel code paths"" by junov@chromium.org
https://chromium.googlesource.com/chromium/src/+/75a7e0fba9c29ed76d1cab3737179b3930c684bf

Reland "Fix alpha-unpremultiply overflow in WebGL+toDataURL" by junov@chromium.org
https://chromium.googlesource.com/chromium/src/+/97fcb105c54add62b68a66cee930d361340df128

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

Comment 4 by sullivan@chromium.org, Jul 20

Components: Speed>Metrics>SystemHealthRegressions

Comment 5 by junov@chromium.org, Jul 25

Cc: -junov@chromium.org

Comment 6 by junov@chromium.org, Jul 25

Owner: ----
Status: Available (was: Assigned)

Comment 7 by sullivan@chromium.org, Oct 25

Status: WontFix (was: Available)
Doesn't look like we'll recover at this point
►

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