Andreas Junghans schrieb: > Am 01.08.2006 um 20:08 schrieb Erik A. Onnen: > >> Admittedly I'm ignorant as to the internals of the IE garbage >> collector, but shouldn't simply nulling out the qx.core.Object._db be >> sufficient for escape analysis (i.e. if this is the only point of >> reachability for these objects, removing it should preclude any it's >> contents from being marked as reachable)? > > Sorry, I didn't read your statement carefully enough before my first > reply. The problem is that somewhere inside the object DB, there may > be a JavaScript object that has a reference to a DOM object (which > again might have references to JavaScript objects). This cycle isn't > broken by just getting rid of the main DB reference. So the answer to > your question is: Nulling out is sufficient (i.e. you don't need to > use the "delete" operator), but you have to null out everything > recursively! > > Oh, and I think I missed a crucial point why your IE delete time is > so high. It's probably not because of the garbage collector, but > because the array gets reorganized on every delete (since an index is > actually removed from it as opposed to simply assigning a new value). > Looks like Firefox is way more efficient here ...
the delete doesn't shorten the array in my opinion. Sebastian > > Regards, > > Andreas > > > ------------------------------------------------------------------------- > Take Surveys. Earn Cash. Influence the Future of IT > Join SourceForge.net's Techsay panel and you'll get the chance to share your > opinions on IT & business topics through brief surveys -- and earn cash > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > _______________________________________________ > qooxdoo-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ qooxdoo-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel
