Hi Dirk et al, Don't you get different results depending on whether clamping happens at each stage or only at the end? It seems like this isn't just a performance question, it's a behavioral question. - Kris PS. I've been lurking on this list for a while now, but this is my first post. Hopefully I'm not overstepping etiquette by jumping in. On Tue, Jul 23, 2013 at 4:41 PM, Dirk Schulze <dschulze@adobe.com> wrote: > Again, we are about a complexity from linear to a constant in many cases. > I think that this fact is worth it to questioning the "always-clamp". Even > with better hardware and GPU acceleration in the future, this would still > be a win. > > To your previous argument about the cache: Quite often the images are big > enough to cause cache misses. And even if not, the speedup of one run in > comparison to n runs over each pixel is huge. > > Greetings, > Dirk > > >
Received on Thursday, 25 July 2013 10:44:15 UTC