On Jul 2, 2012, at 3:56 PM, Jens Alfke wrote: > > On Jul 2, 2012, at 3:28 PM, Charles Srstka wrote: > >> NSInteger is always equal to the native integer size of the host machine; 32 >> bits in 32-bit, 64 bits in 64-bit. I would imagine this helps performance, >> as the processor will be dealing with its native integer type. > > It depends. 64-bit values are twice as big as 32-bit ones, so they use up > twice as much L2 cache and RAM.
I would be surprised if cache is managed at anything other than multiples of register width (64 bits). --Kyle Sluder _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
