Re: Poor performance of script-based SVG animation under Firefox

matt Keveney wrote:
> I have a preliminary animated SVG running fine now, but am very concerned 
> about performance under Firefox 3.0.8.

For what it's worth, on a reasonably modern (8 months old) Mac laptop I 
have to go up to about 80fps before I see a visible performance issue.

I profiled at 100fps, and here's what things look like:

20% doing the setAttribute calls (largely recomputing the paths).
70% painting.  About 3/7 of this is in OS code (on Mac), the remaining 
4/7 is largely our paint code.

That 40% painting code on our end is about 1/4 filling rects and 3/4 
drawing the paths.

I do wonder how the painting looks on a poor graphics card (not that the 
graphics card in the mid-2008 Macbook Pro I have is particularly stellar...)

-Boris