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On Implementation of Media Processors (1997)
| Venue: | IEEE Signal Processing Magazine |
BibTeX
@ARTICLE{Hans-Joachim97onimplementation,
author = {Peter Pirsch Hans-Joachim and Hans-joachim Stolberg and Yen-kuang Chen and S. Y. Kung},
title = {On Implementation of Media Processors},
journal = {IEEE Signal Processing Magazine},
year = {1997},
volume = {14},
pages = {48--51}
}
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Abstract
lack the flexibility to accommodate to algorithm modifications, and the large design effort justifies a dedicated implementation only for high-volume consumer market products of fixed functionality. Alternatively, programmable approaches offer a higher degree of flexibility. In order to attain MSP performance, architectural strategies for programmable processors are based on parallelization and adaptation principles. Several alternatives exist to exploit the parallelization potential of MSP algorithms for programmable architectures: Aiming at data parallelism, SIMD (Single Instruction Stream, Multiple Data Streams) architectures are characterized by several data paths executing the same operation on different data entities in parallel. While thus a high degree of parallelism can be achieved with little control overhead, data path utilization rapidly decreases for scalar program parts. In general, pure SIMD architectures are not an efficient solution for complex multimedia applicatio
Keyphrases
medium processor high-volume consumer market product programmable architecture programmable processor architectural strategy data parallelism several data path complex multimedia applicatio pure simd architecture msp performance high degree fixed functionality efficient solution large design effort parallelization potential scalar program part data path utilization msp algorithm several alternative adaptation principle dedicated implementation little control overhead single instruction stream different data entity multiple data stream programmable approach
