An approach for multilevel logic cell optimization in module generators

Abstract

The authors present new ideas in the field of multilevel optimization for automatic logic macrocell synthesis. The proposed new approach performs a quasi parallel optimization of very different and complex tasks via a simulated annealing based expert system. A true design space exploration is achieved, finding the best solution with respect to a certain cost-function which takes into account actual design parameters like speed, area, power, and not only indirect parameters like number of literals, etc. A small prototype software system had been implemented and it is shown how this new approach, e.g. can be used within a module generator.<>