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 = 1, Function value 1.50978, Residual: 0.128026 634ad9904SAlp Deneriter = 2, Function value 1.5058, Residual: 0.0448655 734ad9904SAlp Deneriter = 3, Function value 1.50566, Residual: 0.000115801 834ad9904SAlp Deneriter = 4, Function value 1.50566, Residual: < 1.0e-6 98cc725e6SPierre JolivetTao Object: 1 MPI process 1034ad9904SAlp Dener type: bnls 11b17ffb64SBarry Smith Tao Object: (tao_bnk_cg_) 1 MPI process 12b17ffb64SBarry Smith type: bncg 13b17ffb64SBarry Smith CG Type: ssml_bfgs 14b17ffb64SBarry Smith Skipped Stepdirection Updates: 0 15b17ffb64SBarry Smith Scaled gradient steps: 0 16b17ffb64SBarry Smith Pure gradient steps: 0 17b17ffb64SBarry Smith Not a descent direction: 0 18b17ffb64SBarry Smith Line search fails: 0 19b17ffb64SBarry Smith Matrix has not been preallocated yet 20b17ffb64SBarry Smith TaoLineSearch Object: (tao_bnk_cg_) 1 MPI process 21b17ffb64SBarry Smith type: more-thuente 22b17ffb64SBarry Smith maximum function evaluations=30 23b17ffb64SBarry Smith tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 24b17ffb64SBarry Smith total number of function evaluations=0 25b17ffb64SBarry Smith total number of gradient evaluations=0 26b17ffb64SBarry Smith total number of function/gradient evaluations=0 27b17ffb64SBarry Smith Termination reason: 0 28b17ffb64SBarry Smith Active Set subset type: subvec 29*606f75f6SBarry Smith convergence tolerances: gatol=1e-08, grtol=1e-08, steptol=0., gttol=0. 30b17ffb64SBarry Smith Residual in Function/Gradient:=0. 31b17ffb64SBarry Smith Objective value=0. 32b17ffb64SBarry Smith total number of iterations=0, (max: 2000) 33*606f75f6SBarry Smith Solver never run 3434ad9904SAlp Dener Rejected BFGS updates: 0 3534ad9904SAlp Dener CG steps: 0 3634ad9904SAlp Dener Newton steps: 4 3734ad9904SAlp Dener BFGS steps: 0 3834ad9904SAlp Dener Scaled gradient steps: 0 3934ad9904SAlp Dener Gradient steps: 0 4034ad9904SAlp Dener KSP termination reasons: 4134ad9904SAlp Dener atol: 0 4234ad9904SAlp Dener rtol: 4 4334ad9904SAlp Dener ctol: 0 4434ad9904SAlp Dener negc: 0 4534ad9904SAlp Dener dtol: 0 4634ad9904SAlp Dener iter: 0 4734ad9904SAlp Dener othr: 0 488cc725e6SPierre Jolivet TaoLineSearch Object: 1 MPI process 4934ad9904SAlp Dener type: more-thuente 5034ad9904SAlp Dener maximum function evaluations=30 5134ad9904SAlp Dener tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 5234ad9904SAlp Dener total number of function evaluations=0 5334ad9904SAlp Dener total number of gradient evaluations=0 5434ad9904SAlp Dener total number of function/gradient evaluations=1 5534ad9904SAlp Dener using variable bounds 5634ad9904SAlp Dener Termination reason: 1 578cc725e6SPierre Jolivet KSP Object: (tao_bnk_) 1 MPI process 5834ad9904SAlp Dener type: stcg 5934ad9904SAlp Dener maximum iterations=10000, initial guess is zero 6034ad9904SAlp Dener tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 6134ad9904SAlp Dener left preconditioning 6234ad9904SAlp Dener using UNPRECONDITIONED norm type for convergence test 638cc725e6SPierre Jolivet PC Object: (tao_bnk_) 1 MPI process 6434ad9904SAlp Dener type: lmvm 650e02354eSStefano Zampini Mat Object: (tao_bnk_pc_lmvm_) 1 MPI process 6634ad9904SAlp Dener type: lmvmbfgs 6734ad9904SAlp Dener rows=48, cols=48 6834ad9904SAlp Dener Scale type: DIAGONAL 6934ad9904SAlp Dener Scale history: 1 7034ad9904SAlp Dener Scale params: alpha=1., beta=0.5, rho=1. 7134ad9904SAlp Dener Convex factors: phi=0., theta=0.125 7234ad9904SAlp Dener Max. storage: 5 7334ad9904SAlp Dener Used storage: 3 7434ad9904SAlp Dener Number of updates: 3 7534ad9904SAlp Dener Number of rejects: 0 7634ad9904SAlp Dener Number of resets: 0 770e02354eSStefano Zampini Mat Object: (tao_bnk_pc_lmvm_J0_) 1 MPI process 7834ad9904SAlp Dener type: lmvmdiagbroyden 7934ad9904SAlp Dener rows=48, cols=48 8034ad9904SAlp Dener Scale history: 1 8134ad9904SAlp Dener Scale params: alpha=1., beta=0.5, rho=1. 8234ad9904SAlp Dener Convex factor: theta=0.125 8334ad9904SAlp Dener Max. storage: 1 8434ad9904SAlp Dener Used storage: 1 8534ad9904SAlp Dener Number of updates: 3 8634ad9904SAlp Dener Number of rejects: 0 8734ad9904SAlp Dener Number of resets: 0 8834ad9904SAlp Dener linear system matrix = precond matrix: 898cc725e6SPierre Jolivet Mat Object: 1 MPI process 9034ad9904SAlp Dener type: submatrix 9134ad9904SAlp Dener rows=40, cols=40 9234ad9904SAlp Dener total KSP iterations: 79 9334ad9904SAlp Dener Active Set subset type: subvec 94*606f75f6SBarry Smith convergence tolerances: gatol=1e-05, grtol=1e-08, steptol=0., gttol=0. 95b17ffb64SBarry Smith Residual in Function/Gradient:=9.00315e-09 9634ad9904SAlp Dener Objective value=1.50566 9734ad9904SAlp Dener total number of iterations=4, (max: 50) 98*606f75f6SBarry Smith total number of function/gradient evaluations=89, (max: unlimited) 9934ad9904SAlp Dener total number of Hessian evaluations=4 10034ad9904SAlp Dener Solution converged: ||g(X)|| <= gatol 101