Optimizing a drawing (with finger touches) application for iPhone SDK

Question

I\'m writing an application that uses your finger to draw simple diagrams. I have it working for the most part but now I\'m trying to optimize its performance. When the user swi

Answer 1

Have you tried this?

http://developer.apple.com/library/ios/#samplecode/GLPaint/Introduction/Intro.html#//apple_ref/doc/uid/DTS40007328-Intro-DontLinkElementID_2