CPLEX and Gurobi cost a lot but are used by big companies to solve mixed integer linear programming problems. You can exploit parralelism in the MIP part. Oper

CPLEX and Gurobi cost a lot but are used by big companies to solve mixed integer linear programming problems. You can exploit parralelism in the MIP part. Operations use MIPs a lot. Usually via an excel spreadsheet :s However people expect a good interface to these problems, its not trivial