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Analytical exploration of power efficient data-reuse transformations on multimedia applications

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4 Author(s)
Kougia, S. ; Sect. of Electron. & Comput., Aristotle Univ. of Thessaloniki, Greece ; Chatzigeorgiou, A. ; Zervas, N. ; Nikolaidis, S.

Power savings that can be achieved by data-reuse decisions targeting at a custom memory hierarchy for multimedia applications executing on embedded cores are examined in this paper. Exploiting the temporal locality of memory accesses in data-intensive applications a set of data-reuse transformations on a typical motion estimation algorithm is determined. The aim is to reduce data related power consumption by moving background memory accesses to smaller foreground memories, which are less power costly. The impact of these transformations on power, performance and area is evaluated both for application specific circuits and general purpose processors. The number of data and instruction memory accesses is analytically calculated, enabling a fast exploration of the design space by varying algorithmic parameters

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Acoustics, Speech, and Signal Processing, 2001. Proceedings. (ICASSP '01). 2001 IEEE International Conference on  (Volume:2 )

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