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 Brown iter = 0, Function value 1.67039, Residual: 0.47529 6c4762a1bSJed Brown iter = 0, Function value 1.57666, Residual: 0.422933 7c4762a1bSJed Brown iter = 1, Function value 1.5357, Residual: 0.235251 8c4762a1bSJed Brown iter = 2, Function value 1.52086, Residual: 0.15742 9c4762a1bSJed Brown iter = 3, Function value 1.51361, Residual: 0.261202 10c4762a1bSJed Browniter = 1, Function value 1.50846, Residual: 0.0892734 11c4762a1bSJed Brown iter = 0, Function value 1.50846, Residual: 0.0892734 12c4762a1bSJed Brown iter = 1, Function value 1.50774, Residual: 0.122322 13c4762a1bSJed Brown iter = 2, Function value 1.50674, Residual: 0.0501668 14c4762a1bSJed Brown iter = 3, Function value 1.50628, Residual: 0.0251461 15c4762a1bSJed Browniter = 2, Function value 1.50583, Residual: 0.0201038 16c4762a1bSJed Brown iter = 0, Function value 1.50583, Residual: 0.0201038 17c4762a1bSJed Brown iter = 1, Function value 1.50578, Residual: 0.0166168 18c4762a1bSJed Brown iter = 2, Function value 1.50573, Residual: 0.0201163 19c4762a1bSJed Brown iter = 3, Function value 1.50569, Residual: 0.0100951 20c4762a1bSJed Browniter = 3, Function value 1.50566, Residual: 6.45547e-05 21c4762a1bSJed Brown iter = 0, Function value 1.50566, Residual: 6.45547e-05 22c4762a1bSJed Brown iter = 1, Function value 1.50566, Residual: 9.87536e-05 23c4762a1bSJed Brown iter = 2, Function value 1.50566, Residual: 4.96751e-05 24c4762a1bSJed Brown iter = 3, Function value 1.50566, Residual: 1.98677e-05 25c4762a1bSJed Browniter = 4, Function value 1.50566, Residual: < 1.0e-6 268cc725e6SPierre JolivetTao Object: 1 MPI process 27c4762a1bSJed Brown type: bnls 28b17ffb64SBarry Smith Tao Object: (tao_bnk_cg_) 1 MPI process 29b17ffb64SBarry Smith type: bncg 30b17ffb64SBarry Smith CG Type: ssml_bfgs 31b17ffb64SBarry Smith Skipped Stepdirection Updates: 1 32b17ffb64SBarry Smith Scaled gradient steps: 0 33b17ffb64SBarry Smith Pure gradient steps: 0 34b17ffb64SBarry Smith Not a descent direction: 0 35b17ffb64SBarry Smith Line search fails: 0 36b17ffb64SBarry Smith Mat Object: (tao_bnk_cg_tao_bncg_) 1 MPI process 37b17ffb64SBarry Smith type: lmvmdiagbroyden 38b17ffb64SBarry Smith rows=48, cols=48 39b17ffb64SBarry Smith Scale history: 1 40b17ffb64SBarry Smith Scale params: alpha=1., beta=0.5, rho=1. 41b17ffb64SBarry Smith Convex factor: theta=0. 42b17ffb64SBarry Smith Max. storage: 1 43b17ffb64SBarry Smith Used storage: 1 44b17ffb64SBarry Smith Number of updates: 8 45b17ffb64SBarry Smith Number of rejects: 0 46b17ffb64SBarry Smith Number of resets: 4 47b17ffb64SBarry Smith TaoLineSearch Object: (tao_bnk_cg_) 1 MPI process 48b17ffb64SBarry Smith type: more-thuente 49b17ffb64SBarry Smith maximum function evaluations=30 50b17ffb64SBarry Smith tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 51b17ffb64SBarry Smith total number of function evaluations=0 52b17ffb64SBarry Smith total number of gradient evaluations=0 53b17ffb64SBarry Smith total number of function/gradient evaluations=1 54b17ffb64SBarry Smith using variable bounds 55b17ffb64SBarry Smith Termination reason: 1 56b17ffb64SBarry Smith Active Set subset type: subvec 57*606f75f6SBarry Smith convergence tolerances: gatol=1e-05, grtol=1e-08, steptol=0., gttol=0. 58b17ffb64SBarry Smith Residual in Function/Gradient:=1.98677e-05 59b17ffb64SBarry Smith Objective value=1.50566 60b17ffb64SBarry Smith total number of iterations=3, (max: 3) 61b17ffb64SBarry Smith total number of function/gradient evaluations=6, (max: 4000) 62*606f75f6SBarry Smith Solver failed: Maximum Iterations 63c4762a1bSJed Brown Rejected BFGS updates: 0 64c4762a1bSJed Brown CG steps: 12 65c4762a1bSJed Brown Newton steps: 3 66c4762a1bSJed Brown BFGS steps: 0 67c4762a1bSJed Brown Scaled gradient steps: 1 68c4762a1bSJed Brown Gradient steps: 0 69c4762a1bSJed Brown KSP termination reasons: 70c4762a1bSJed Brown atol: 0 71c4762a1bSJed Brown rtol: 3 72c4762a1bSJed Brown ctol: 1 73c4762a1bSJed Brown negc: 0 74c4762a1bSJed Brown dtol: 0 75c4762a1bSJed Brown iter: 0 76c4762a1bSJed Brown othr: 0 778cc725e6SPierre Jolivet TaoLineSearch Object: 1 MPI process 78c4762a1bSJed Brown type: more-thuente 79c4762a1bSJed Brown maximum function evaluations=30 80c4762a1bSJed Brown tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 81c4762a1bSJed Brown total number of function evaluations=0 82c4762a1bSJed Brown total number of gradient evaluations=0 83c4762a1bSJed Brown total number of function/gradient evaluations=1 84c4762a1bSJed Brown using variable bounds 85c4762a1bSJed Brown Termination reason: 1 868cc725e6SPierre Jolivet KSP Object: (tao_bnk_) 1 MPI process 87c4762a1bSJed Brown type: stcg 88c4762a1bSJed Brown maximum iterations=10000, initial guess is zero 89c4762a1bSJed Brown tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 90c4762a1bSJed Brown left preconditioning 91c4762a1bSJed Brown using UNPRECONDITIONED norm type for convergence test 928cc725e6SPierre Jolivet PC Object: (tao_bnk_) 1 MPI process 93c4762a1bSJed Brown type: lmvm 940e02354eSStefano Zampini Mat Object: (tao_bnk_pc_lmvm_) 1 MPI process 95c4762a1bSJed Brown type: lmvmbfgs 96c4762a1bSJed Brown rows=48, cols=48 9792f76d53SAlp Dener Scale type: DIAGONAL 98c4762a1bSJed Brown Scale history: 1 99c4762a1bSJed Brown Scale params: alpha=1., beta=0.5, rho=1. 100c4762a1bSJed Brown Convex factors: phi=0., theta=0.125 101c4762a1bSJed Brown Max. storage: 5 102c4762a1bSJed Brown Used storage: 3 103c4762a1bSJed Brown Number of updates: 3 104c4762a1bSJed Brown Number of rejects: 0 105c4762a1bSJed Brown Number of resets: 1 1060e02354eSStefano Zampini Mat Object: (tao_bnk_pc_lmvm_J0_) 1 MPI process 107864588a7SAlp Dener type: lmvmdiagbroyden 108c4762a1bSJed Brown rows=48, cols=48 109c4762a1bSJed Brown Scale history: 1 110c4762a1bSJed Brown Scale params: alpha=1., beta=0.5, rho=1. 111c4762a1bSJed Brown Convex factor: theta=0.125 112c4762a1bSJed Brown Max. storage: 1 113c4762a1bSJed Brown Used storage: 1 114c4762a1bSJed Brown Number of updates: 3 115c4762a1bSJed Brown Number of rejects: 0 116c4762a1bSJed Brown Number of resets: 1 117c4762a1bSJed Brown linear system matrix = precond matrix: 1188cc725e6SPierre Jolivet Mat Object: 1 MPI process 119c4762a1bSJed Brown type: seqaij 120c4762a1bSJed Brown rows=40, cols=40 12177433607SBarry Smith total: nonzeros=228, allocated nonzeros=228 122c4762a1bSJed Brown total number of mallocs used during MatSetValues calls=0 123c4762a1bSJed Brown not using I-node routines 124c4762a1bSJed Brown total KSP iterations: 59 125c4762a1bSJed Brown Active Set subset type: subvec 126*606f75f6SBarry Smith convergence tolerances: gatol=1e-05, grtol=1e-08, steptol=0., gttol=0. 127c4762a1bSJed Brown Residual in Function/Gradient:=2.07969e-08 128c4762a1bSJed Brown Objective value=1.50566 129c4762a1bSJed Brown total number of iterations=4, (max: 50) 130*606f75f6SBarry Smith total number of function/gradient evaluations=35, (max: unlimited) 131c4762a1bSJed Brown total number of Hessian evaluations=4 132c4762a1bSJed Brown Solution converged: ||g(X)|| <= gatol 133