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Analytical modeling is applied to the automated design of application-specific superscalar processors. Using an analytical method bridges the gap between the size of the design space and the time required for detailed cycle-accurate simulations. The proposed design framework takes as inputs the design targets (upper bounds on execution time, area, and energy), design alternatives, and one or more application programs. The output is the set of out-of-order superscalar processors that are Pareto-optimal with respect to performance-energy-area. The core of the new design framework is made up of analytical performance and energy activity models, and an analytical model-based design optimization process.
Karkhanis et al. (Sat,) studied this question.