Abstract
Efficient use of an optimized memory hierarchy to exploit temporal locality in the data accesses can have a very large impact on the power consumption in data dominated applications. Effective formalized techniques to deal with this specific task have not been addressed up to now. In this chapter, the design freedom available for the basic problem is explored in-depth and the outline of a systematic solution methodology is proposed. The efficiency of the methodology is illustrated on a real-life motion estimation application. The results obtained for this application show power reductions of about 85% for the memory sub-system compared to the case without memory hierarchy.
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