1c4762a1bSJed Brown 2c4762a1bSJed Brown---- Minimum Surface Area With Plate Problem ----- 3c4762a1bSJed Brownmx:8, my:8, bmx:2, bmy:5, height:0.3 4c4762a1bSJed Browniter = 0, Function value 1.83917, Residual: 0.44807 5c4762a1bSJed Browniter = 1, Function value 1.79522, Residual: 0.58077 6c4762a1bSJed Browniter = 2, Function value 1.6861, Residual: 0.325694 7c4762a1bSJed Browniter = 3, Function value 1.6527, Residual: 0.463266 8c4762a1bSJed Browniter = 4, Function value 1.61291, Residual: 0.140527 9c4762a1bSJed Browniter = 5, Function value 1.60885, Residual: 0.0821046 10c4762a1bSJed Browniter = 6, Function value 1.60662, Residual: 0.0647188 11c4762a1bSJed Browniter = 7, Function value 1.60346, Residual: 0.0593318 12c4762a1bSJed Browniter = 8, Function value 1.60324, Residual: 0.128197 13c4762a1bSJed Browniter = 9, Function value 1.60161, Residual: 0.0357046 14c4762a1bSJed Browniter = 10, Function value 1.60138, Residual: 0.0198527 15c4762a1bSJed Browniter = 11, Function value 1.60122, Residual: 0.0143298 16c4762a1bSJed Browniter = 12, Function value 1.60119, Residual: 0.0195803 17c4762a1bSJed Browniter = 13, Function value 1.60115, Residual: 0.00495585 18c4762a1bSJed Browniter = 14, Function value 1.60115, Residual: 0.00153265 19c4762a1bSJed Browniter = 15, Function value 1.60115, Residual: 0.00122319 20c4762a1bSJed Browniter = 16, Function value 1.60115, Residual: 0.00103626 21c4762a1bSJed Browniter = 17, Function value 1.60115, Residual: 0.00156191 22c4762a1bSJed Browniter = 18, Function value 1.60115, Residual: 0.000331879 23c4762a1bSJed Browniter = 19, Function value 1.60115, Residual: 0.000179533 24c4762a1bSJed Browniter = 20, Function value 1.60115, Residual: 0.000137138 25c4762a1bSJed Browniter = 21, Function value 1.60115, Residual: 0.000126009 26c4762a1bSJed Browniter = 22, Function value 1.60115, Residual: 7.08451e-05 278cc725e6SPierre JolivetTao Object: 1 MPI process 28c4762a1bSJed Brown type: bqnls 29b17ffb64SBarry Smith Tao Object: (tao_bnk_) 1 MPI process 30b17ffb64SBarry Smith type: bncg 31b17ffb64SBarry Smith CG Type: ssml_bfgs 32b17ffb64SBarry Smith Skipped Stepdirection Updates: 0 33b17ffb64SBarry Smith Scaled gradient steps: 0 34b17ffb64SBarry Smith Pure gradient steps: 0 35b17ffb64SBarry Smith Not a descent direction: 0 36b17ffb64SBarry Smith Line search fails: 0 37b17ffb64SBarry Smith Matrix has not been preallocated yet 38b17ffb64SBarry Smith TaoLineSearch Object: (tao_bnk_) 1 MPI process 39b17ffb64SBarry Smith type: more-thuente 40b17ffb64SBarry Smith maximum function evaluations=30 41b17ffb64SBarry Smith tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 42b17ffb64SBarry Smith total number of function evaluations=0 43b17ffb64SBarry Smith total number of gradient evaluations=0 44b17ffb64SBarry Smith total number of function/gradient evaluations=0 45b17ffb64SBarry Smith Termination reason: 0 46b17ffb64SBarry Smith Active Set subset type: subvec 47*606f75f6SBarry Smith convergence tolerances: gatol=1e-08, grtol=1e-08, steptol=0., gttol=0. 48b17ffb64SBarry Smith Residual in Function/Gradient:=0. 49b17ffb64SBarry Smith Objective value=0. 50b17ffb64SBarry Smith total number of iterations=0, (max: 2000) 51*606f75f6SBarry Smith Solver never run 52c4762a1bSJed Brown Rejected BFGS updates: 0 53c4762a1bSJed Brown CG steps: 0 54c4762a1bSJed Brown Newton steps: 0 55c4762a1bSJed Brown BFGS steps: 21 56c4762a1bSJed Brown Scaled gradient steps: 1 57c4762a1bSJed Brown Gradient steps: 0 58c4762a1bSJed Brown KSP termination reasons: 59c4762a1bSJed Brown atol: 0 60c4762a1bSJed Brown rtol: 0 61c4762a1bSJed Brown ctol: 0 62c4762a1bSJed Brown negc: 0 63c4762a1bSJed Brown dtol: 0 64c4762a1bSJed Brown iter: 0 65c4762a1bSJed Brown othr: 0 668cc725e6SPierre Jolivet Mat Object: (tao_bqnls_) 1 MPI process 67c4762a1bSJed Brown type: lmvmbfgs 68c4762a1bSJed Brown rows=64, cols=64 6992f76d53SAlp Dener Scale type: DIAGONAL 70c4762a1bSJed Brown Scale history: 1 71c4762a1bSJed Brown Scale params: alpha=1., beta=0.5, rho=1. 72c4762a1bSJed Brown Convex factors: phi=0., theta=0.125 73c4762a1bSJed Brown Max. storage: 5 74c4762a1bSJed Brown Used storage: 5 75c4762a1bSJed Brown Number of updates: 21 76c4762a1bSJed Brown Number of rejects: 0 77c4762a1bSJed Brown Number of resets: 0 780e02354eSStefano Zampini Mat Object: (tao_bqnls_J0_) 1 MPI process 79864588a7SAlp Dener type: lmvmdiagbroyden 80c4762a1bSJed Brown rows=64, cols=64 81c4762a1bSJed Brown Scale history: 1 82c4762a1bSJed Brown Scale params: alpha=1., beta=0.5, rho=1. 83c4762a1bSJed Brown Convex factor: theta=0.125 84c4762a1bSJed Brown Max. storage: 1 85c4762a1bSJed Brown Used storage: 1 86c4762a1bSJed Brown Number of updates: 21 87c4762a1bSJed Brown Number of rejects: 0 88c4762a1bSJed Brown Number of resets: 0 898cc725e6SPierre Jolivet TaoLineSearch Object: 1 MPI process 90c4762a1bSJed Brown type: more-thuente 91c4762a1bSJed Brown maximum function evaluations=30 92c4762a1bSJed Brown tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 93c4762a1bSJed Brown total number of function evaluations=0 94c4762a1bSJed Brown total number of gradient evaluations=0 95c4762a1bSJed Brown total number of function/gradient evaluations=1 96c4762a1bSJed Brown using variable bounds 97c4762a1bSJed Brown Termination reason: 1 988cc725e6SPierre Jolivet KSP Object: 1 MPI process 99c4762a1bSJed Brown type: stcg 100c4762a1bSJed Brown maximum iterations=10000, initial guess is zero 101c4762a1bSJed Brown tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 102c4762a1bSJed Brown left preconditioning 103c4762a1bSJed Brown using DEFAULT norm type for convergence test 1048cc725e6SPierre Jolivet PC Object: 1 MPI process 105c4762a1bSJed Brown type: lmvm 106c4762a1bSJed Brown PC has not been set up so information may be incomplete 1078cc725e6SPierre Jolivet Mat Object: (tao_bqnls_) 1 MPI process 108c4762a1bSJed Brown type: lmvmbfgs 109c4762a1bSJed Brown rows=64, cols=64 11092f76d53SAlp Dener Scale type: DIAGONAL 111c4762a1bSJed Brown Scale history: 1 112c4762a1bSJed Brown Scale params: alpha=1., beta=0.5, rho=1. 113c4762a1bSJed Brown Convex factors: phi=0., theta=0.125 114c4762a1bSJed Brown Max. storage: 5 115c4762a1bSJed Brown Used storage: 5 116c4762a1bSJed Brown Number of updates: 21 117c4762a1bSJed Brown Number of rejects: 0 118c4762a1bSJed Brown Number of resets: 0 1190e02354eSStefano Zampini Mat Object: (tao_bqnls_J0_) 1 MPI process 120864588a7SAlp Dener type: lmvmdiagbroyden 121c4762a1bSJed Brown rows=64, cols=64 122c4762a1bSJed Brown Scale history: 1 123c4762a1bSJed Brown Scale params: alpha=1., beta=0.5, rho=1. 124c4762a1bSJed Brown Convex factor: theta=0.125 125c4762a1bSJed Brown Max. storage: 1 126c4762a1bSJed Brown Used storage: 1 127c4762a1bSJed Brown Number of updates: 21 128c4762a1bSJed Brown Number of rejects: 0 129c4762a1bSJed Brown Number of resets: 0 130c4762a1bSJed Brown total KSP iterations: 0 131c4762a1bSJed Brown Active Set subset type: subvec 132*606f75f6SBarry Smith convergence tolerances: gatol=0.0001, grtol=1e-08, steptol=0., gttol=0. 133c4762a1bSJed Brown Residual in Function/Gradient:=7.08451e-05 134c4762a1bSJed Brown Objective value=1.60115 135c4762a1bSJed Brown total number of iterations=22, (max: 50) 136*606f75f6SBarry Smith total number of function/gradient evaluations=24, (max: unlimited) 137c4762a1bSJed Brown Solution converged: ||g(X)|| <= gatol 138