NAGSAT

NAGSAT: A Randomized, Complete, Parallel Solver for 3-SAT. This extended abstract describes a 3-SAT solver, nagsat, that utilizes nagging, a new scalable, fault-tolerant, distributed search paradigm. Nagging exploits the heavy-tailed distribution of 3-SAT solution time by playing multiple reformulations of the problem or portions of the problem against each other. Nagging is a general, complete search architecture that has been applied to a variety of algorithms from the articial intelligence literature. In this abstract, we show preliminary results for the solution of 3-SAT instances using the DPLL Algorithm and outline some of our current eorts to improve nagsat.

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