1c4762a1bSJed Brown 2c4762a1bSJed Brown---- Minimum Surface Area Problem ----- 3c4762a1bSJed Brownmx:4, my:4 4c4762a1bSJed Brown 0 TAO, Function value: 0.210375, Residual: 0.403597 5c4762a1bSJed Brown 1 TAO, Function value: 0.0110611, Residual: 0.0197949 6c4762a1bSJed Brown 2 TAO, Function value: 4.46353e-05, Residual: 8.72583e-05 7c4762a1bSJed Brown 3 TAO, Function value: 8.12611e-10, Residual: 1.80227e-09 88cc725e6SPierre JolivetTao Object: 1 MPI process 9c4762a1bSJed Brown type: ssfls 108cc725e6SPierre Jolivet TaoLineSearch Object: 1 MPI process 11c4762a1bSJed Brown type: armijo 12c4762a1bSJed Brown Armijo linesearch (projected) : alpha=1. beta=0.5 sigma=0.0001 memsize=1 13c4762a1bSJed Brown maximum function evaluations=30 14c4762a1bSJed Brown tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 15c4762a1bSJed Brown total number of function evaluations=1 16c4762a1bSJed Brown total number of gradient evaluations=1 17c4762a1bSJed Brown total number of function/gradient evaluations=0 18c4762a1bSJed Brown using variable bounds 191404853cSMatthew G. Knepley Termination reason: SUCCESS 208cc725e6SPierre Jolivet KSP Object: 1 MPI process 21c4762a1bSJed Brown type: gmres 22f971d498SPierre Jolivet restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement 23*143f2514SPierre Jolivet happy breakdown tolerance=1e-30 24c4762a1bSJed Brown maximum iterations=10000, initial guess is zero 25c4762a1bSJed Brown tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 26c4762a1bSJed Brown left preconditioning 27c4762a1bSJed Brown using PRECONDITIONED norm type for convergence test 288cc725e6SPierre Jolivet PC Object: 1 MPI process 29c4762a1bSJed Brown type: ilu 30c4762a1bSJed Brown out-of-place factorization 31c4762a1bSJed Brown 0 levels of fill 32c4762a1bSJed Brown tolerance for zero pivot 2.22045e-14 33c4762a1bSJed Brown matrix ordering: natural 34c4762a1bSJed Brown factor fill ratio given 1., needed 1. 35ecf3d421SBarry Smith Factored matrix: 368cc725e6SPierre Jolivet Mat Object: 1 MPI process 37c4762a1bSJed Brown type: seqaij 38c4762a1bSJed Brown rows=16, cols=16 39c4762a1bSJed Brown package used to perform factorization: petsc 40c4762a1bSJed Brown total: nonzeros=82, allocated nonzeros=82 41c4762a1bSJed Brown not using I-node routines 42ecf3d421SBarry Smith linear system matrix, which is also used to construct the preconditioner: 438cc725e6SPierre Jolivet Mat Object: 1 MPI process 44c4762a1bSJed Brown type: seqaij 45c4762a1bSJed Brown rows=16, cols=16 46c4762a1bSJed Brown total: nonzeros=82, allocated nonzeros=112 47c4762a1bSJed Brown total number of mallocs used during MatSetValues calls=0 48c4762a1bSJed Brown not using I-node routines 49c4762a1bSJed Brown total KSP iterations: 13 50c4762a1bSJed Brown Active Set subset type: subvec 51606f75f6SBarry Smith convergence tolerances: gatol=1e-16, grtol=0., steptol=0., gttol=1e-05 52c4762a1bSJed Brown Residual in Function/Gradient:=1.80227e-09 536246e8cdSAlp Dener convergence tolerances: catol=1e-08, crtol=1e-08 546246e8cdSAlp Dener Residual in Constraints:=0. 55c4762a1bSJed Brown convergence tolerances: function minimum=1e-08 56c4762a1bSJed Brown Objective value=8.12611e-10 57c4762a1bSJed Brown total number of iterations=3, (max: 2000) 58c4762a1bSJed Brown total number of constraint function evaluations=7 59c4762a1bSJed Brown total number of Jacobian evaluations=4 60c4762a1bSJed Brown Solution converged: Minf -- f < fmin 61