探索ノード数を得る
IloCplex cplex(model);
...
cplex.solve();
cout << "Nodes: " << cplex.getNnodes() << endl;
カット数を得る
cout << "Cuts: " << cplex.getNcuts(IloCplex::CutClique) << endl;
ruby -ne 'puts "IloCplex::" + $_.split("=")[0].strip + ","' int num_cuts = 0;
for (IloCplex::CutType c : {
IloCplex::CutCover,
IloCplex::CutGubCover,
IloCplex::CutFlowCover,
IloCplex::CutClique,
IloCplex::CutFrac,
IloCplex::CutMCF,
IloCplex::CutMir,
IloCplex::CutFlowPath,
IloCplex::CutDisj,
IloCplex::CutImplBd,
IloCplex::CutZeroHalf,
IloCplex::CutLocalCover,
IloCplex::CutTighten,
IloCplex::CutObjDisj,
IloCplex::CutLiftProj,
IloCplex::CutUser,
IloCplex::CutTable,
IloCplex::CutSolnPool}) {
num_cuts += cplex.getNcuts(c);
}
cout << "Cuts: " << num_cuts << endl;
厳密解を求めさせる
cplex.setParam(IloCplex::Param::MIP::Tolerances::MIPGap, 0.0);
並列を封じる
cplex.setParam(IloCplex::Param::Threads, 1);
