134ad9904SAlp Dener 234ad9904SAlp Dener---- Minimum Surface Area With Plate Problem ----- 334ad9904SAlp Denermx:8, my:6, bmx:3, bmy:3, height:0.2 434ad9904SAlp Deneriter = 0, Function value 1.67039, Residual: 0.47529 534ad9904SAlp Deneriter = 0, Function value 1.57687, Residual: 0.447462 634ad9904SAlp Deneriter = 1, Function value 1.52082, Residual: 0.221251 734ad9904SAlp Deneriter = 2, Function value 1.50587, Residual: 0.0266265 834ad9904SAlp Deneriter = 3, Function value 1.50566, Residual: 0.000666715 934ad9904SAlp Deneriter = 4, Function value 1.50566, Residual: < 1.0e-6 108cc725e6SPierre JolivetTao Object: 1 MPI process 1134ad9904SAlp Dener type: bntr 12b17ffb64SBarry Smith Tao Object: (tao_bnk_cg_) 1 MPI process 13b17ffb64SBarry Smith type: bncg 14b17ffb64SBarry Smith CG Type: ssml_bfgs 15b17ffb64SBarry Smith Skipped Stepdirection Updates: 0 16b17ffb64SBarry Smith Scaled gradient steps: 0 17b17ffb64SBarry Smith Pure gradient steps: 0 18b17ffb64SBarry Smith Not a descent direction: 0 19b17ffb64SBarry Smith Line search fails: 0 20b17ffb64SBarry Smith Matrix has not been preallocated yet 21b17ffb64SBarry Smith TaoLineSearch Object: (tao_bnk_cg_) 1 MPI process 22b17ffb64SBarry Smith type: more-thuente 23b17ffb64SBarry Smith maximum function evaluations=30 24b17ffb64SBarry Smith tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 25b17ffb64SBarry Smith total number of function evaluations=0 26b17ffb64SBarry Smith total number of gradient evaluations=0 27b17ffb64SBarry Smith total number of function/gradient evaluations=0 281404853cSMatthew G. Knepley Termination reason: CONTINUE_ITERATING 29b17ffb64SBarry Smith Active Set subset type: subvec 30606f75f6SBarry Smith convergence tolerances: gatol=1e-08, grtol=1e-08, steptol=0., gttol=0. 31b17ffb64SBarry Smith Residual in Function/Gradient:=0. 32b17ffb64SBarry Smith Objective value=0. 33b17ffb64SBarry Smith total number of iterations=0, (max: 2000) 34606f75f6SBarry Smith Solver never run 3534ad9904SAlp Dener Rejected BFGS updates: 0 3634ad9904SAlp Dener CG steps: 0 3734ad9904SAlp Dener Newton steps: 4 3834ad9904SAlp Dener BFGS steps: 0 3934ad9904SAlp Dener Scaled gradient steps: 0 4034ad9904SAlp Dener Gradient steps: 0 4134ad9904SAlp Dener KSP termination reasons: 4234ad9904SAlp Dener atol: 0 4334ad9904SAlp Dener rtol: 3 4434ad9904SAlp Dener ctol: 1 4534ad9904SAlp Dener negc: 0 4634ad9904SAlp Dener dtol: 0 4734ad9904SAlp Dener iter: 0 4834ad9904SAlp Dener othr: 0 498cc725e6SPierre Jolivet TaoLineSearch Object: 1 MPI process 5034ad9904SAlp Dener type: more-thuente 5134ad9904SAlp Dener maximum function evaluations=30 5234ad9904SAlp Dener tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 5334ad9904SAlp Dener total number of function evaluations=0 5434ad9904SAlp Dener total number of gradient evaluations=0 5534ad9904SAlp Dener total number of function/gradient evaluations=0 5634ad9904SAlp Dener using variable bounds 571404853cSMatthew G. Knepley Termination reason: CONTINUE_ITERATING 588cc725e6SPierre Jolivet KSP Object: (tao_bnk_) 1 MPI process 5934ad9904SAlp Dener type: stcg 6034ad9904SAlp Dener maximum iterations=10000, initial guess is zero 6134ad9904SAlp Dener tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 6234ad9904SAlp Dener left preconditioning 6334ad9904SAlp Dener using UNPRECONDITIONED norm type for convergence test 648cc725e6SPierre Jolivet PC Object: (tao_bnk_) 1 MPI process 6534ad9904SAlp Dener type: lmvm 660e02354eSStefano Zampini Mat Object: (tao_bnk_pc_lmvm_) 1 MPI process 6734ad9904SAlp Dener type: lmvmbfgs 6834ad9904SAlp Dener rows=48, cols=48 6934ad9904SAlp Dener Max. storage: 5 7034ad9904SAlp Dener Used storage: 4 7134ad9904SAlp Dener Number of updates: 4 7234ad9904SAlp Dener Number of rejects: 0 7334ad9904SAlp Dener Number of resets: 0 7409fb3ddcSToby Isaac J0: 7509fb3ddcSToby Isaac Mat Object: (tao_bnk_pc_lmvm_mat_lmvm_J0_) 1 MPI process 7609fb3ddcSToby Isaac type: diagonal 7734ad9904SAlp Dener rows=48, cols=48 7809fb3ddcSToby Isaac Vec Object: 1 MPI process 7909fb3ddcSToby Isaac type: seq 8009fb3ddcSToby Isaac Rescale type: diagonal 8109fb3ddcSToby Isaac Rescale history: 1 8209fb3ddcSToby Isaac Rescale params: alpha=1., beta=0.5, rho=1. 8309fb3ddcSToby Isaac Rescale convex factor: theta=0.125 84*ecf3d421SBarry Smith linear system matrix, which is also used to construct the preconditioner: 858cc725e6SPierre Jolivet Mat Object: 1 MPI process 8634ad9904SAlp Dener type: submatrix 8734ad9904SAlp Dener rows=40, cols=40 8834ad9904SAlp Dener total KSP iterations: 61 8934ad9904SAlp Dener Active Set subset type: subvec 90606f75f6SBarry Smith convergence tolerances: gatol=1e-05, grtol=1e-08, steptol=0., gttol=0. 91b17ffb64SBarry Smith Residual in Function/Gradient:=7.77429e-07 9234ad9904SAlp Dener Objective value=1.50566 9334ad9904SAlp Dener total number of iterations=4, (max: 50) 94606f75f6SBarry Smith total number of function/gradient evaluations=90, (max: unlimited) 9534ad9904SAlp Dener total number of Hessian evaluations=5 9634ad9904SAlp Dener Solution converged: ||g(X)|| <= gatol 97