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PMSat: a parallel version of MiniSAT


Parallel computing has become an affordable reality forcing a shift in the programming paradigm from sequential to concurrent applications, specially those who demand much computational power or with large search spaces like SAT-solvers. In this context we present the research, planning and implementation of PMSat: a parallel version of MiniSAT with MPI (Message Passing Interface) technology, to be executed in clusters or grids of computers. The main features of the program are described: search modes, search space pruning and share of learnt clauses. An analysis of its performance and load balance is also presented.