Profiling OpenGL ES App
No, NSTimer is reasonably accurate, so you your varying frame rate isn't coming from there. Mostly, frame rate will vary because of what's going on with OpenGL ES/related graphics hardware. There is a lot of stuff going on with the OS too which might affect frame rate at times. Touch input processing seems to be a popular source of slow down from what I've heard, although it hasn't seemed to affect my stuff as much as I've heard from others.
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Profiling OpenGL ES App - AnotherJake - Mar 9, 2009 08:08 AM
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