[webkit-qt] ContentEditable CPU use

Christopher Manley cam at dacha.ca
Mon Jul 21 18:09:13 PDT 2014

Hey everyone -

Is there any way to reduce the CPU spike that happens when typing in a
content editable div?

I'm running into cases where it spikes enough to cause even moderate speed
typing to get interrupted.  On my fairly new Macbook I see the CPU use get
up to 20 - 25% when I start typing in any simple content editable.  On
machines under load, that can be enough to mess up the user experience.

I'm seeing this with our custom app, but also the Qt Demo Browser, using

Any ideas to mitigate this would be great.


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