On 1/31/06, Stéphane Magnenat <[EMAIL PROTECTED]> wrote: > >>From what I know about CPU's, although my knowledge is not extensive, > > CPU's work fastest with integers of their word size, meaning a 32 bit > > gradient would be fastest for most cpus, and a 64 bit gradient would > > be best on newer 64 bit cpu's, but only insane people use 64/32 bit > > gradients. The speed operated by 8 or 16 bit gradients on conventional > > cpus would not be very different. > > Well, that is correct for 8/16 bits old CPU and 32 bits pure RISC ones > (such as PPC or Sparc). With recent CPU, that is not the case any more, > because the memory bandwidth is the limit and the cache hide the rest. > > Steph > > > _______________________________________________ > glob2-devel mailing list > [email protected] > http://lists.nongnu.org/mailman/listinfo/glob2-devel > Memory bandwidth is certainly getting much better, like with the hyper transport 2000 mghz athalons that came out a year or two ago. I could see the problem deminishing soon.
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