Crash running OpenGL on iOS after memory warning

Question

I am having trouble with an app with an OpenGL component crashing on iPad. The app throws a memory warning and crashes, but it doesn\'t appear to be using that much memory. Am I

Answer 1

Odds are, you're not seeing the true memory usage of your application. As I explain in this answer, the Allocations instrument hides memory usage from OpenGL ES, so you can't use it to measure the size of your application. Instead, use the Memory Monitor instrument, which I'm betting will show that your application is using far more RAM than you think. This is a common problem people run into when trying to optimize OpenGL ES on iOS using Instruments.

If you're concerned about which objects or resources could be accumulating in memory, you can use the heap shots functionality of the Allocations instrument to identify specific resources that are allocated but never removed when performing repeated tasks within your application. That's how I've tracked down textures and other items that were not being properly deleted.