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Quote:
Originally Posted by Brian View Post
If closing the window didn't free up the memory, I'm less sure of what's going on. I think that the OS X memory system only frees up memory when another application asks for it. So if we're using half of your memory, we'll hang onto that half until something asks us to free it up.

However, I'm quickly getting out of my depth here, so should shut up and let someone more qualified respond. :)
CPU Processing, not Memory ;-)