Adam Maas wrote on 14.03.06 16:04: > Everything in the Tiger UI is rendered on a 3D surface if Quartz 3D is > enabled. I know that, but it has nothing to do with hardware requirements as Quartz 3D runs happily on 32MB GPU equipped card (of course within sensible screen resolution).
> Aperture offloads calculations onto the GPU as well, using the > Core Image framework and Image Units(Which is an accelleration > architecture designed to take full advantage of the processing power > sitting unused in the GPU). Core Image essentially uses the floating > point speed of the GPU to massively accellerate 2D calculations. The > other advantage is that Core Image can do parallel processing of said > calculations, using the SIMD units on the CPU (Altivec and SSE2 on PPC > and Intel respectively) as well as the GPU. > > Here's a good overview: > > http://developer.apple.com/macosx/coreimage.html Right. But my question is - is it only for display, or for actual image data stored in main computer memory too? > Because Lightroom doesn't use Image Units, Aperture does. Making > Lightroom far less dependant on GPU performance. Lightroom performs much > better on low-end hardware, while Aperture really shows off what the > high-end hardware can do, because unlike Lightroom, Aperture can take > full advantage of the increase in GPU power. So it will be interesting then to compare speed of both applications when lightroom would be in final version. I would really laugh if finally lightroom would come faster in most operations than Aperture ;-) -- Balance is the ultimate good... Best Regards Sylwek
