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 1.68677, Residual: 0.332042 7c4762a1bSJed Browniter = 3, Function value 1.65405, Residual: 0.477018 8c4762a1bSJed Browniter = 4, Function value 1.61302, Residual: 0.142922 9c4762a1bSJed Browniter = 5, Function value 1.60888, Residual: 0.0809677 10c4762a1bSJed Browniter = 6, Function value 1.60667, Residual: 0.0648005 11c4762a1bSJed Browniter = 7, Function value 1.60351, Residual: 0.0601214 12c4762a1bSJed Browniter = 8, Function value 1.60249, Residual: 0.066145 13c4762a1bSJed Browniter = 9, Function value 1.60164, Residual: 0.0368939 14c4762a1bSJed Browniter = 10, Function value 1.60133, Residual: 0.0252556 15c4762a1bSJed Browniter = 11, Function value 1.6012, Residual: 0.0137144 16c4762a1bSJed Browniter = 12, Function value 1.60116, Residual: 0.00557861 17c4762a1bSJed Browniter = 13, Function value 1.60115, Residual: 0.00396689 18c4762a1bSJed Browniter = 14, Function value 1.60115, Residual: 0.00147233 19c4762a1bSJed Browniter = 15, Function value 1.60115, Residual: 0.00119981 20c4762a1bSJed Browniter = 16, Function value 1.60115, Residual: 0.00101585 21c4762a1bSJed Browniter = 17, Function value 1.60115, Residual: 0.00139896 22c4762a1bSJed Browniter = 18, Function value 1.60115, Residual: 0.000311967 23c4762a1bSJed Browniter = 19, Function value 1.60115, Residual: 0.000165684 24c4762a1bSJed Browniter = 20, Function value 1.60115, Residual: 0.000124522 25c4762a1bSJed Browniter = 21, Function value 1.60115, Residual: 0.000148965 26c4762a1bSJed Browniter = 22, Function value 1.60115, Residual: 5.30587e-05 278cc725e6SPierre JolivetTao Object: 1 MPI process 28c4762a1bSJed Brown type: bqnkls 29b17ffb64SBarry Smith Tao Object: (tao_bnk_cg_) 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_cg_) 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 451404853cSMatthew G. Knepley Termination reason: CONTINUE_ITERATING 46b17ffb64SBarry Smith Active Set subset type: subvec 47606f75f6SBarry 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) 51606f75f6SBarry Smith Solver never run 52c4762a1bSJed Brown Rejected BFGS updates: 0 53c4762a1bSJed Brown CG steps: 0 54c4762a1bSJed Brown Newton steps: 22 55c4762a1bSJed Brown BFGS steps: 0 56c4762a1bSJed Brown Scaled gradient steps: 0 57c4762a1bSJed Brown Gradient steps: 0 58c4762a1bSJed Brown KSP termination reasons: 59c4762a1bSJed Brown atol: 0 60c4762a1bSJed Brown rtol: 22 61c4762a1bSJed Brown ctol: 0 62c4762a1bSJed Brown negc: 0 63c4762a1bSJed Brown dtol: 0 64c4762a1bSJed Brown iter: 0 65c4762a1bSJed Brown othr: 0 66970ba202SStefano Zampini Mat Object: (tao_bqnk_) 1 MPI process 67c4762a1bSJed Brown type: lmvmbfgs 68c4762a1bSJed Brown rows=64, cols=64 69c4762a1bSJed Brown Max. storage: 5 70c4762a1bSJed Brown Used storage: 5 71c4762a1bSJed Brown Number of updates: 21 72c4762a1bSJed Brown Number of rejects: 0 73c4762a1bSJed Brown Number of resets: 0 7409fb3ddcSToby Isaac J0: 7509fb3ddcSToby Isaac Mat Object: (tao_bqnk_mat_lmvm_J0_) 1 MPI process 7609fb3ddcSToby Isaac type: diagonal 77c4762a1bSJed Brown rows=64, cols=64 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 848cc725e6SPierre Jolivet TaoLineSearch Object: 1 MPI process 85c4762a1bSJed Brown type: more-thuente 86c4762a1bSJed Brown maximum function evaluations=30 87c4762a1bSJed Brown tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 88c4762a1bSJed Brown total number of function evaluations=0 89c4762a1bSJed Brown total number of gradient evaluations=0 90c4762a1bSJed Brown total number of function/gradient evaluations=1 91c4762a1bSJed Brown using variable bounds 921404853cSMatthew G. Knepley Termination reason: SUCCESS 938cc725e6SPierre Jolivet KSP Object: (tao_bnk_) 1 MPI process 94c4762a1bSJed Brown type: stcg 95c4762a1bSJed Brown maximum iterations=10000, initial guess is zero 96c4762a1bSJed Brown tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 97c4762a1bSJed Brown left preconditioning 98c4762a1bSJed Brown using UNPRECONDITIONED norm type for convergence test 998cc725e6SPierre Jolivet PC Object: (tao_bnk_) 1 MPI process 100c4762a1bSJed Brown type: lmvm 101970ba202SStefano Zampini Mat Object: (tao_bqnk_) 1 MPI process 102c4762a1bSJed Brown type: lmvmbfgs 103c4762a1bSJed Brown rows=64, cols=64 104c4762a1bSJed Brown Max. storage: 5 105c4762a1bSJed Brown Used storage: 5 106c4762a1bSJed Brown Number of updates: 21 107c4762a1bSJed Brown Number of rejects: 0 108c4762a1bSJed Brown Number of resets: 0 10909fb3ddcSToby Isaac J0: 11009fb3ddcSToby Isaac Mat Object: (tao_bqnk_mat_lmvm_J0_) 1 MPI process 11109fb3ddcSToby Isaac type: diagonal 112c4762a1bSJed Brown rows=64, cols=64 11309fb3ddcSToby Isaac Vec Object: 1 MPI process 11409fb3ddcSToby Isaac type: seq 11509fb3ddcSToby Isaac Rescale type: diagonal 11609fb3ddcSToby Isaac Rescale history: 1 11709fb3ddcSToby Isaac Rescale params: alpha=1., beta=0.5, rho=1. 11809fb3ddcSToby Isaac Rescale convex factor: theta=0.125 119*ecf3d421SBarry Smith linear system matrix, which is also used to construct the preconditioner: 1208cc725e6SPierre Jolivet Mat Object: 1 MPI process 121c4762a1bSJed Brown type: submatrix 122c4762a1bSJed Brown rows=52, cols=52 123c4762a1bSJed Brown total KSP iterations: 61 124c4762a1bSJed Brown Active Set subset type: subvec 125606f75f6SBarry Smith convergence tolerances: gatol=0.0001, grtol=1e-08, steptol=0., gttol=0. 126c4762a1bSJed Brown Residual in Function/Gradient:=5.30587e-05 127c4762a1bSJed Brown Objective value=1.60115 128c4762a1bSJed Brown total number of iterations=22, (max: 50) 129606f75f6SBarry Smith total number of function/gradient evaluations=25, (max: unlimited) 130c4762a1bSJed Brown Solution converged: ||g(X)|| <= gatol 131