DesertFD: a finite-domain constraint based tool for design space exploration As the complexity of computer based systems increases, designers are faced with the task of balancing a variety of design choices and parameters against conflicting optimization criteria. Design space exploration seeks to automate or partially automate the process of evaluating tradeoff decisions at design time. DesertFD is a domain-independent design space exploration tool which facilitates the representation and pruning of a design space using constraint satisfaction. DesertFD offers a formal tree-based view of a family of systems related through common structure, together with a flexible scripting language for modeling mathematical expressions governing property composition. User-specified constraints applied to the design space representation result in a pruning of the space. We discuss the reduction of the design space, property composition formulas and constraints into a constraint satisfaction problem using finite domain constraints. We examine two example design space exploration problems to evaluate DesertFD: the generation of a high level custom computer architecture for supporting H.264-based motion estimation, and the reliability-driven mapping of tasks to distributed embedded control units in a steer-by-wire automotive application.

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  1. Eames, Brandon K.; Neema, Sandeep K.; Saraswat, Rohit: DesertFD: a finite-domain constraint based tool for design space exploration (2010) ioport