On Apr 9, 2008, at 8:32 AM, Jesse Grosjean wrote:
1. If I don't care about on disk size is NSTIFFCompressionNone a fast way to write? (assuming that compression would take more time). Or maybe compression will actually save me time since the disk write will be faster?
I am by no means a performance expert (is anyone besides Shark?) but I suspect that nowadays you would much rather do a bit of extra work in CPU/memory than extra hauling from the hard drive. You'd want to confirm this yourself in a small prototype that kinda mimics the behaviour of your application, except many times over. Watch out for both NSImage and disk caching, though. If you oversimplify your code by (say) loading the same image over and over, your prototype might not end up mimicking your app correctly.
Anyway, I haven't experimented with this much myself, so I should let someone else give you a real answer!
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