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This paper addresses the problem of identifying the minimum pipelining needed in an asynchronous circuit (e.g., number/size of pipeline stages/latches required) to satisfy a given performance constraint, thereby implicitly minimizing area and power for a given performance. The paper first shows that the basic pipeline optimization problem for asynchronous circuits is NP-complete. Then, it presents an efficient branch and bound algorithm that finds the optimal pipeline configuration. The experimental results on a few scalable system models demonstrate that this algorithm is computationally feasible for moderately sized models.
Computer-Aided Design of Integrated Circuits and Systems, IEEE Transactions on (Volume:25 , Issue: 3 )
Date of Publication: March 2006