1c4762a1bSJed Brown 2c4762a1bSJed Brown---- Minimum Surface Area With Plate Problem ----- 3c4762a1bSJed Brownmx:8, my:6, bmx:3, bmy:3, height:0.2 4c4762a1bSJed Browniter = 0, Function value 1.67039, Residual: 0.47529 5c4762a1bSJed Browniter = 0, Function value 1.57687, Residual: 0.447462 6c4762a1bSJed Brown iter = 0, Function value 1.57687, Residual: 0.447462 7c4762a1bSJed Brown iter = 1, Function value 1.53574, Residual: 0.222622 8c4762a1bSJed Brown iter = 2, Function value 1.51391, Residual: 0.187842 9c4762a1bSJed Brown iter = 3, Function value 1.51012, Residual: 0.110361 10c4762a1bSJed Browniter = 1, Function value 1.50567, Residual: 0.00326476 11c4762a1bSJed Brown iter = 0, Function value 1.50567, Residual: 0.00326476 12c4762a1bSJed Brown iter = 1, Function value 1.50567, Residual: 0.00332264 13c4762a1bSJed Brown iter = 2, Function value 1.50566, Residual: 0.00201118 14c4762a1bSJed Brown iter = 3, Function value 1.50566, Residual: 0.00125295 15c4762a1bSJed Browniter = 2, Function value 1.50566, Residual: 1.2998e-06 168cc725e6SPierre JolivetTao Object: 1 MPI process 17c4762a1bSJed Brown type: bntr 18b17ffb64SBarry Smith Tao Object: (tao_bnk_cg_) 1 MPI process 19b17ffb64SBarry Smith type: bncg 20b17ffb64SBarry Smith CG Type: ssml_bfgs 21b17ffb64SBarry Smith Skipped Stepdirection Updates: 1 22b17ffb64SBarry Smith Scaled gradient steps: 0 23b17ffb64SBarry Smith Pure gradient steps: 0 24b17ffb64SBarry Smith Not a descent direction: 0 25b17ffb64SBarry Smith Line search fails: 0 26b17ffb64SBarry Smith Mat Object: (tao_bnk_cg_tao_bncg_) 1 MPI process 27b17ffb64SBarry Smith type: lmvmdiagbroyden 28b17ffb64SBarry Smith rows=48, cols=48 29b17ffb64SBarry Smith Scale history: 1 30b17ffb64SBarry Smith Scale params: alpha=1., beta=0.5, rho=1. 31b17ffb64SBarry Smith Convex factor: theta=0. 32b17ffb64SBarry Smith Max. storage: 1 33b17ffb64SBarry Smith Used storage: 1 34b17ffb64SBarry Smith Number of updates: 3 35b17ffb64SBarry Smith Number of rejects: 0 36b17ffb64SBarry Smith Number of resets: 2 37b17ffb64SBarry Smith TaoLineSearch Object: (tao_bnk_cg_) 1 MPI process 38b17ffb64SBarry Smith type: more-thuente 39b17ffb64SBarry Smith maximum function evaluations=30 40b17ffb64SBarry Smith tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 41b17ffb64SBarry Smith total number of function evaluations=0 42b17ffb64SBarry Smith total number of gradient evaluations=0 43b17ffb64SBarry Smith total number of function/gradient evaluations=1 44b17ffb64SBarry Smith using variable bounds 45b17ffb64SBarry Smith Termination reason: 1 46b17ffb64SBarry Smith Active Set subset type: subvec 47*606f75f6SBarry Smith convergence tolerances: gatol=1e-05, grtol=1e-08, steptol=0., gttol=0. 48b17ffb64SBarry Smith Residual in Function/Gradient:=0.00125295 49b17ffb64SBarry Smith Objective value=1.50566 50b17ffb64SBarry Smith total number of iterations=3, (max: 3) 51b17ffb64SBarry Smith total number of function/gradient evaluations=8, (max: 4000) 52*606f75f6SBarry Smith Solver failed: Maximum Iterations 53c4762a1bSJed Brown Rejected BFGS updates: 0 54c4762a1bSJed Brown CG steps: 6 55c4762a1bSJed Brown Newton steps: 2 56c4762a1bSJed Brown BFGS steps: 0 57c4762a1bSJed Brown Scaled gradient steps: 0 58c4762a1bSJed Brown Gradient steps: 0 59c4762a1bSJed Brown KSP termination reasons: 60c4762a1bSJed Brown atol: 0 61c4762a1bSJed Brown rtol: 2 62c4762a1bSJed Brown ctol: 0 63c4762a1bSJed Brown negc: 0 64c4762a1bSJed Brown dtol: 0 65c4762a1bSJed Brown iter: 0 66c4762a1bSJed Brown othr: 0 678cc725e6SPierre Jolivet TaoLineSearch Object: 1 MPI process 68c4762a1bSJed Brown type: more-thuente 69c4762a1bSJed Brown maximum function evaluations=30 70c4762a1bSJed Brown tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 71c4762a1bSJed Brown total number of function evaluations=0 72c4762a1bSJed Brown total number of gradient evaluations=0 73c4762a1bSJed Brown total number of function/gradient evaluations=0 74c4762a1bSJed Brown using variable bounds 75c4762a1bSJed Brown Termination reason: 0 768cc725e6SPierre Jolivet KSP Object: (tao_bnk_) 1 MPI process 77c4762a1bSJed Brown type: stcg 78c4762a1bSJed Brown maximum iterations=10000, initial guess is zero 79c4762a1bSJed Brown tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 80c4762a1bSJed Brown left preconditioning 81c4762a1bSJed Brown using UNPRECONDITIONED norm type for convergence test 828cc725e6SPierre Jolivet PC Object: (tao_bnk_) 1 MPI process 83c4762a1bSJed Brown type: lmvm 840e02354eSStefano Zampini Mat Object: (tao_bnk_pc_lmvm_) 1 MPI process 85c4762a1bSJed Brown type: lmvmbfgs 86c4762a1bSJed Brown rows=48, cols=48 8792f76d53SAlp Dener Scale type: DIAGONAL 88c4762a1bSJed Brown Scale history: 1 89c4762a1bSJed Brown Scale params: alpha=1., beta=0.5, rho=1. 90c4762a1bSJed Brown Convex factors: phi=0., theta=0.125 91c4762a1bSJed Brown Max. storage: 5 92c4762a1bSJed Brown Used storage: 2 93c4762a1bSJed Brown Number of updates: 2 94c4762a1bSJed Brown Number of rejects: 0 95c4762a1bSJed Brown Number of resets: 0 960e02354eSStefano Zampini Mat Object: (tao_bnk_pc_lmvm_J0_) 1 MPI process 97864588a7SAlp Dener type: lmvmdiagbroyden 98c4762a1bSJed Brown rows=48, cols=48 99c4762a1bSJed Brown Scale history: 1 100c4762a1bSJed Brown Scale params: alpha=1., beta=0.5, rho=1. 101c4762a1bSJed Brown Convex factor: theta=0.125 102c4762a1bSJed Brown Max. storage: 1 103c4762a1bSJed Brown Used storage: 1 104c4762a1bSJed Brown Number of updates: 2 105c4762a1bSJed Brown Number of rejects: 0 106c4762a1bSJed Brown Number of resets: 0 107c4762a1bSJed Brown linear system matrix = precond matrix: 1088cc725e6SPierre Jolivet Mat Object: 1 MPI process 109c4762a1bSJed Brown type: seqaij 110c4762a1bSJed Brown rows=40, cols=40 11177433607SBarry Smith total: nonzeros=228, allocated nonzeros=228 112c4762a1bSJed Brown total number of mallocs used during MatSetValues calls=0 113c4762a1bSJed Brown not using I-node routines 114c4762a1bSJed Brown total KSP iterations: 39 115c4762a1bSJed Brown Active Set subset type: subvec 116*606f75f6SBarry Smith convergence tolerances: gatol=1e-05, grtol=1e-08, steptol=0., gttol=0. 117c4762a1bSJed Brown Residual in Function/Gradient:=1.2998e-06 118c4762a1bSJed Brown Objective value=1.50566 119c4762a1bSJed Brown total number of iterations=2, (max: 50) 120*606f75f6SBarry Smith total number of function/gradient evaluations=26, (max: unlimited) 121c4762a1bSJed Brown total number of Hessian evaluations=3 122c4762a1bSJed Brown Solution converged: ||g(X)|| <= gatol 123