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651 B
651 B
Customization
Selecting the internal MIP solver
By default, LearningSolver uses Gurobi as its internal MIP solver. Alternative solvers can be specified through the internal_solver_factory constructor argument. This argument should provide a function (with no arguments) that constructs, configures and returns the desired solver. To select CPLEX, for example:
from miplearn import LearningSolver
import pyomo.environ as pe
def cplex_factory():
cplex = pe.SolverFactory("cplex")
cplex.options["threads"] = 4
return cplex
solver = LearningSolver(internal_solver_factory=cplex_factory)