On complex (many controls) pages, IE6 and IE7 are very slow. It's due to the horrible memory management and bad JavaScript engine. But on all other browsers you get very good behavior.
Jim On Tue, May 26, 2009 at 9:10 AM, Matthew Gregory < [email protected] <matthew%[email protected]>> wrote: > Hi Dave, > Have a look at this paragraph: > > http://qooxdoo.org/documentation/0.8/enterprise_application_development#initialize_incrementally > > If you have a complicated page such as this, consider creating all > except the first tabs blank, and then only create the contents for the > other tabs as needed. We have a wizard style dialog that has several > stacked pages and noticed a great improvement once we switched to this > on demand creation > > HTH, > Matt > > dmbaggett wrote: > > I have a somewhat complex dialog box that I use for program settings. > There's > > a list view on the left and a tab control on the right. For each entry in > > the list, there's a separate copy of the tab control. There are four tabs > in > > each tab control. So there are a total of 16 tab panes. (Of course only > one > > is visible at a time.) > > > > This dialog takes over 15 seconds to come up on a Xeon 5160 running at > 3Ghz. > > I know IE7 is inherently slow, but this seems truly remarkable. Under IE8 > on > > a Core i7, the dialog comes up in under a second. It seems like something > is > > going on that's trigger nonlinear behavior in IE's DOM model. > > > > Do QooxDoo veterans see this kind of slowdown with IE7? Is it just that > > there are too many tab panes? > > > > Is there some way to precompute a DOM tree so that it doesn't have to be > > built dynamically every time I call up the settings dialog? > > > > (I'm sorry if this is a bit short on details; I can't easily factor out > the > > code to make a nice demo of the problem right now, but I thought it was > > better to post something than not.) > > > > Dave > > > > > > ------------------------------------------------------------------------------ > Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT > is a gathering of tech-side developers & brand creativity professionals. > Meet > the minds behind Google Creative Lab, Visual Complexity, Processing, & > iPhoneDevCamp asthey present alongside digital heavyweights like Barbarian > Group, R/GA, & Big Spaceship. http://www.creativitycat.com > _______________________________________________ > qooxdoo-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/qooxdoo-devel >
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