[Webkit-unassigned] [Bug 23241] Scroll will jerk at first then operate smooth until direction shifts 90 degrees

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=23241





--- Comment #10 from Jim Oase <jimoase at mac.com>  2009-07-04 07:25:28 PDT ---
This problem seems to be associated with priorities.  WebKit is giving
animation higher priority than user input.  As a result is trying, without
success, to keep animation going during and at the expense of the scrolling
process.  Instead of stopping animation during user input, doing the user
command, smoothly scrolling the display, and then reinitiating the animation
process.

This problem with WebKit has bugged me for years now so I downloaded FireFox to
see what happens.  Smooth scrolling.  Then I noticed that animation is
suspended during the scrolling process.  Makes sense and takes far less CPU
resources which is another symptom.  CPU on this site is hovers around 50+%
with WebKit and 5% with FireFox.

You can try both and see what you think.
http://radar.weather.gov/Conus/full_loop.php

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