On 3/27/07 2:49 PM, simonshutter wrote: >> The loop is correct. FF should perform 2 to 10 times slower, > between >> 30 and 150 ms, nothing like 115682 msec. The problem is elsewhere. > > I think I've identified the cause of the performance difference and > it is the "use" element: > > <use xlink:href="#group" pointer-events="none" /> > > If you load the example below you can see the difference quite > clearly even with 100 rect elements. > > I don't know if I am following the SVG std properly or if FF is doing > something that Op9 and ASV3 do not.
That will have poor performance in Firefox due to they way we currently implement <use>, which is to do an anonymous clone of the indicated subtree at the point of the <use>. Any modifications to the original content cause us to reclone the content. As you're setting an attribute on each <rect> inside the original content, we end up doing a lot of work that other implementations might avoid. ----- To unsubscribe send a message to: [EMAIL PROTECTED] -or- visit http://groups.yahoo.com/group/svg-developers and click "edit my membership" ---- Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/svg-developers/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/svg-developers/join (Yahoo! ID required) <*> To change settings via email: mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
