Hi there,

I am new to Apple development, and new to this list. I have two questions about 
memory on OS X.

1. NSUserDefaults seems to allocate 16 MB memory at load. I can't see myself 
using a megabyte—let alone 16 of those. It would be very interesting to know 
why it allocates so much, and if there is a way to encourage NSUserDefaults to 
grab less.

2. I create a couple of CoreAnimation layers that I think are large (5120x2880 
px). I would expect that to occupy 450 MB (5120*2880*32/1024/1024) of memory. 
But instead it only takes up one fourth of that. What is this sorcery?


--
Henrik Granaas-Helmers
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