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Multimedia Extension Technology survey

Xinsong YangXinsong Yang

Electrical and Computer Engineering Electrical and Computer Engineering 734 Final Project 734 Final Project

5/10/20025/10/2002

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What is it?

Extension from the general purpose Extension from the general purpose microprocessor without special purpose microprocessor without special purpose processor or dedicated hardwareprocessor or dedicated hardware

Highly improve the multimedia Highly improve the multimedia performanceperformance

SIMD extensionSIMD extension

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General characteristic Parallel execution using packed data in one

instruction(arithmetic, logical) A set of specialized operations for media

applications. Reorganization of operands in a SIMD format

– unpack, shuffle, shift, permute, etc. Data prefetch and streaming load/store

instructions

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Implementation

Intel extended MMX to IA-32 architectureIntel extended MMX to IA-32 architecture Sun enhanced VIS to UltraSPARC Sun enhanced VIS to UltraSPARC

architecturearchitecture HP added MAX to PA-RISC architectureHP added MAX to PA-RISC architecture Motorola/IBM extended Alvetic to Motorola/IBM extended Alvetic to

powerPC powerPC

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Project Goals

Survey the multimedia extension technology Survey the multimedia extension technology from MMX, MAX, AltiVec, VISfrom MMX, MAX, AltiVec, VIS

Compare those extension and describe the Compare those extension and describe the common characteristic and special featurescommon characteristic and special features