Models: 81 NLPs with at least 1000 nonlinear nonzeros from the GAMS GlobalLib

Solvers: Ipopt stable/3.5 rev. 1331, ATLAS 3.8.2, Lapack 3.1.1, and option file

tol 1e-8
acceptable_tol 1e-8
constr_viol_tol 1e-4
compl_inf_tol 1e-4

1. IPOPT-1: with MA27 as linear solver
2. IPOPT-2: with MUMPS 4.8.2 as linear solver

Timelimit: 3600 seconds
Optimality and Feasibility tolerance: relative 1e-8, absolute 1e-4

Platform:

• Intel Core 2 Duo CPU T7500, 2.2 GHz, 2 GB RAM
• Linux 2.6.22.18, SuSE Linux 10.3, 32 Bit
• gcc 4.2.1

Results (Note, that the ratio between the linear solver time and the total solver time has been used for performance profile plots.)