[webkit-dev] JavaScriptCore slowdown

Sergio Villar Senin svillar at igalia.com
Mon Jun 29 00:16:53 PDT 2015

On 28/06/15 16:27, Rodney Dowdall wrote:
> The only other question I have is if there is some sort of throttle on
> the JavaScript callbacks.  The reason I ask is because no matter what I
> do, the following page:
> http://bubblemark.com/dhtml.htm
> I only get 60 fps.  For this page the "fps" is a bit of misnomer because
> they are just measuring the number of times they get a call in to their
> JavaScript code.  It doesn't seem to matter how many balls I draw on the
> screen, I always get 60 fps .

Not completly sure about the mac port but I think it does the same as
gtk, i.e, they used that magic value of 60fps as a reference for the
accelerated compositor to know when to generate new frames.


More information about the webkit-dev mailing list