View Full Version : General Performance Feedback wanted

31 Oct 2012, 1:13 PM
Hey Everyone,

I'm starting to really compare our app written in ST1 to the new one we wrote in ST2. While we now use MVC in ST2 as recommended by best practices, we are noticing a significant performance decrease on screen transitions and the time it takes for a panel to load. This is more apparent when run on the actual device itself.

How is everyone else's experience going with regard to performance and ST2?

31 Oct 2012, 1:30 PM

2 Nov 2012, 12:56 PM
I have observed that production builds can be slower based on the given build, with no apparent reason. I noticed that using Full application cache updates appears to cause less lag than using Diff. If at all possible, anywhere I use DOM events I use Ext.fly() instead of Ext.get(), because Ext.get() does slow the browser over time.

I think the worst culprits of performance are scrolling and transitions.

How to fix either, I'm at a loss as we cannot use PhoneGap with our application's requirements.