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13th IEEE International Conference on Application-Specific Systems, Architectures and Processors (ASAP'02)
Low Power Memory Design
San Jose, California
July 17-July 19
ISBN: 0-7695-1712-9
Wen-Tsong Shiue, Oregon State University
In this paper, we present a novel design procedure for multi-module, multi-port memory design that satisfies area and/or energy/timing constraints. Our procedure consists of (i) use of Storage Bandwidth Optimization (SBO) techniques to simplify the conflict graph and (ii) use of memory exploration techniques to determine the best memory configuration (number of modules, size and number of ports per module) with the minimum area if the energy and timing are bounded or with the minimum energy/timing if the area is bounded. Here the simplest conflict graph implies more possibilities for the arrays assigned to the same module without the penalty in an increase of the number of ports for each module. Our benchmark shows that the heuristic algorithm is very efficient to decide the best memory configuration for the system constraints (timing, area, or energy). In addition, the CACTI tool [14] is modified to estimate the timing, area, and energy for each module in different CMOS technologies (0.8um. 0.35um, and 0.18um). Furthermore, we consider the lifetime for arrays; this results in the significant reduction in timing, area, and energy for the arrays executed in different cycles sharing the same memory module.
Citation:
Wen-Tsong Shiue, "Low Power Memory Design," asap, pp.55, 13th IEEE International Conference on Application-Specific Systems, Architectures and Processors (ASAP'02), 2002
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