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Retiming Synchronous Circuitry.
Interim research rept.,
MASSACHUSETTS INST OF TECH CAMBRIDGE LAB FOR COMPUTER SCIENCE
Pagination or Media Count:
This paper shows how the technique of retiming can be used to transform a given synchronous circuit into a more efficient circuit under a variety of different cost criteria. We model a circuit as a graph, and we give an OV ElgV algorithm for determining an equivalent circuit with the smallest possible clock period. We show that the problem of determining an equivalent retimed circuit with minimum state total number of registers is polynomial-time solvable. This result yields a polynomial-time optimal solution to the problem of pipelining combinational circuitry with minimum register cost. We also give a characterization of optimal retiming based on an efficiently solvable mixed-integer linear programming problem. Author
APPROVED FOR PUBLIC RELEASE