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Issue 784736 link

Starred by 2 users
Status: Duplicate
Merged: issue 794373
Owner:
danakj@chromium.org
Closed: Dec 2017
Cc:
tapted@chromium.org
rbasuvula@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 2
Type: Bug



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Bad vertical scroll jank compared to Safari on macOS High Sierra (10.13.1) on complex pages

Reported by benjamin...@gmail.com, Nov 14 2017 
UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.40 Safari/537.36

Steps to reproduce the problem:
1. Load a HTML heavy page (like cnn.com)
2. Scroll rapidly vertically.
3. Open the same page in Safari with the same window size and try the same scroll action

What is the expected behavior?
No jank in either browser

What went wrong?
Chrome is more janky than Safari

Did this work before? N/A 

Chrome version: 63.0.3239.40  Channel: beta
OS Version: OS X 10.13.1
Flash Version: 

Running on a MacBook Pro (Retina, Mid 2012).  Noticed the additional jank after updating to High Sierra.  Compared to Safari to see if everything was running slow or if it was just Chrome, noticed the difference.

Comment 1 by rbasuvula@chromium.org, Nov 14 2017

Cc: rbasuvula@chromium.org
Labels: Needs-Feedback Needs-Triage-M63
Tested in chrome # 63.0.3239.40 and Canary #64.0.3265.0 on Mac OS Sierra 10.12.6 and not able to reproduce the issue.Please find the screen cast for your reference.

@benjaminhill: Could you please let me know if i have missed anything and if possible,Please create new profile without extensions and apps.Re-check once and let us know the observations of the issue which would help us to triage the issue further.

Thanks in Advance.
784736.mp4
5.1 MB View Download

Comment 2 by tapted@chromium.org, Dec 8 2017

Components: Internals>Compositing>Scroll
Can you attach the contents of chrome://gpu/ ?

Comment 3 by benjamin...@gmail.com, Dec 10 2017 

GPU attached.
gpu.html
54.4 KB View Download
Project Member

Comment 4 by sheriffbot@chromium.org, Dec 10 2017

Labels: -Needs-Feedback
Thank you for providing more feedback. Adding requester "rbasuvula@chromium.org" to the cc list and removing "Needs-Feedback" label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

Comment 5 by danakj@chromium.org, Dec 15 2017

Labels: Needs-TestConfirmation
Owner: rbasuvula@chromium.org
Status: Assigned (was: Unconfirmed)
Can you try reproduce on High Sierra 10.13.1?

Comment 6 by rbasuvula@chromium.org, Dec 18 2017

Cc: tapted@chromium.org
Labels: -Needs-TestConfirmation TE-NeedsTriageFromMTV
Owner: danakj@chromium.org
As per comment #5 Tested in Mac High Sierra 10.13 Beta on chrome # 63.0.3239.40 and Canary #65.0.3298.0 and not able to reproduce the issue.Please find the screen cast for your reference.

In house team not having the Mac High Sierra 10.13.1 system adding MTV team to triage the issue further. 

@danakj: Could you please let me know if anything required from my end.

Thank You!
784736 (1).mp4
6.6 MB View Download

Comment 7 by danakj@chromium.org, Dec 19 2017

Mergedinto: 794373
Status: Duplicate (was: Assigned)
Ok, well I will dupe over to 794373 where hopefully we have something more reproducible.
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