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Optimizing resource utilization using transformations

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2 Author(s)
Potkonjak, M. ; Dept. of Electr. Eng. & Comput. Sci., California Univ., Berkeley, CA, USA ; Rabaey, J.

The goal of the high level synthesis process for real time applications is to minimize the implementation cost, while still satisfying all timing constraints. In this paper, the authors present a combination of four conceptually simple, yet powerful, transformations: namely retiming, associativity, commutativity and inverse element law, which can help to further this goal. Since the minimization problem associated with these transformations is NP complete, a new fast iterative improvement probabilistic algorithm has been developed. The effectiveness of the proposed algorithm and the associated transformations is demonstrated in multiple ways: using standard benchmark examples, with the aid of statistical analysis and through a comparison with estimated minimal bounds

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Computer-Aided Design of Integrated Circuits and Systems, IEEE Transactions on  (Volume:13 ,  Issue: 3 )