dslreports logo
site
spacer

spacer
 
    All FAQs Site FAQ DSL FAQ Cable Tech About DSL Distance DSL Hurdles »»
spc

spacer




how-to block ads



    'AltiVec' (as Motorola calls it), 'VMX' (as IBM calls it), and 'Velocity Engine' (Apple's term for it) are the same thing: one or more (depending on the processor) 128-bit-wide vector processing units which are featured by the Motorola G4 and IBM PPC 970 processors.

    Code written specifically for these vector processing units can speed up certain operations (e.g. manipulation of multimedia data) by a tremendous degree. Those who want a full explanation of how it operates should have a look at this article.

    Update: the cat found this interesting article in IBM's technical library. And here is part two.


Expand got feedback?

by JJ See Profile
last modified: 2005-04-20 17:26:08