Models: 81 NLPs with at least 1000 nonlinear nonzeros from the GAMS GlobalLib
Solvers from GAMS 23.3.1:
linear_solver ma27 tol 1e-8 acceptable_tol 1e-8 constr_viol_tol 1e-4 compl_inf_tol 1e-4
linear_solver mumps tol 1e-8 acceptable_tol 1e-8 constr_viol_tol 1e-4 compl_inf_tol 1e-4
rtredg 1e-8 rtnwma 1e-8
Row tolerance 1e-8 Optimality tolerance 1e-8 Superbasics limit 10000
Major feasibility tolerance 1e-8 Major optimality tolerance 1e-8 Superbasics limit 5000
Timelimit: 3600 seconds
Relative optimality and feasibility tolerance: 1e-8
Platform:
Note: Knitro was not included in this comparison since the Gams/Knitro link does not reformulate the objective constraint as objective function, which may be a disadvantage compared to other solver links.