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Open Access Publications from the University of California

Clock optimization for high-performance pipelined design


In order to reduce the design cost of pipelined systems, resources may be shared by operations within and across different pipe stages. In order to maximize resource sharing, a crucial decision is the selection of a clock period, since a bad choice can adversely affect the performance and cost of the design. In this report, we present an algorithm to select a clock period that attempts to minimize design area while satisfying a given throughput constraint. Experimental results on several examples demonstrate the quality of our selection algorithm and the benefit of allowing resource sharing across pipe stages.

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