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http://dx.doi.org/10.9708/jksci.2012.17.8.001

Multimedia Extension Instructions and Optimal Many-core Processor Architecture Exploration for Portable Ultrasonic Image Processing  

Kang, Sung-Mo (School of Electrical Engineering, University of Ulsan)
Kim, Jong-Myon (School of Electrical Engineering, University of Ulsan)
Publication Information
Journal of the Korea Society of Computer and Information / v.17, no.8, 2012 , pp. 1-10 More about this Journal
Abstract
This paper proposes design space exploration methodology of many-core processors including multimedia specific instructions to support high-performance and low power ultrasound imaging for portable devices. To explore the impact of multimedia instructions, we compare programs using multimedia instructions and baseline programs with a same many-core processor in terms of execution time, energy efficiency, and area efficiency. Experimental results using a $256{\times}256$ ultrasound image indicate that programs using multimedia instructions achieve 3.16 times of execution time, 8.13 times of energy efficiency, and 3.16 times of area efficiency over the baseline programs, respectively. Likewise, programs using multimedia instructions outperform the baseline programs using a $240{\times}320$ image (2.16 times of execution time, 4.04 times of energy efficiency, 2.16 times of area efficiency) as well as using a $240{\times}400$ image (2.25 times of execution time, 4.34 times of energy efficiency, 2.25 times of area efficiency). In addition, we explore optimal PE architecture of many-core processors including multimedia instructions by varying the number of PEs and memory size.
Keywords
ultrasonic image processing; many-core processors; design space exploration; multimedia extension instruction; energy efficiency; area efficiency;
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Times Cited By KSCI : 4  (Citation Analysis)
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