Unrolling AltiVec, Part 1, Introducing the PowerPC SIMD unit

Get acquainted with AltiVec's abilities, rivals, and aliases

From the developerWorks archives

Peter Seebach

Date archived: December 19, 2016 | First published: March 01, 2005

AltiVec? Velocity Engine? VMX? If you've only been casually following PowerPC development, you might be confused by the various guises of this vector processing SIMD technology. In this first installment of a three-part series, Peter Seebach gives you the basics on what AltiVec is, what it does -- and how it stacks up against its competition.

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