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6 December 2002 Low power array multiplier design by topology optimization
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Left-to-right (L-R) linear array multiplication provides an interesting alternative to the conventional right-to-left (R-L) array multiplication as L-R computation has the potential of saving power and delay. This paper presents topology optimization techniques for low-power L-R array multipliers. These techniques include: interconnect reorganization, addition modules other than 3-to-2 carry save adders for PP reduction, and split array architectures. Our experiments indicate that interconnect reorganization can be a primary choice for L-R array multipliers if power is the critical concern. L-R schemes with optimized interconnect achieve the least power consumption in most cases with relatively small delay. When small power-delay product is the main goal, the more complex split array architectures are good candidates.
© (2002) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Zhijun Huang and Milos D. Ercegovac "Low power array multiplier design by topology optimization", Proc. SPIE 4791, Advanced Signal Processing Algorithms, Architectures, and Implementations XII, (6 December 2002);


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