Subword parallelism with MAX-2

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Abstract

This article proposes that subword parallelism - parallel computation on lower precision data packed into a word - is an efficient and effective solution for accelerating media processing. As an example, it describes MAX-2, a very lean, RISC-like set of media acceleration primitives included in the 64-bit PA-RISC 2.0 architecture. Because MAX-2 strives to be a minimal set of instructions, both instructions included and excluded are discussed. Several examples illustrate the use of MAX-2 instructions, which provide subword parallelism in a word-oriented general-purpose processor at essentially no incremental cost.

Original languageEnglish (US)
Pages (from-to)51-59
Number of pages9
JournalJournal of Electroanalytical Chemistry
Volume401
Issue number1-2
StatePublished - Jan 1 1996
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Chemical Engineering(all)
  • Electrochemistry

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