1b3e6a353SBarry Smith 2b3e6a353SBarry Smith---- Elastic-Plastic Torsion Problem ----- 3b3e6a353SBarry Smithmx: 10 my: 10 4b3e6a353SBarry Smith 5b3e6a353SBarry Smith 0 TAO, Function value: -0.22024, Residual: 0.458738 6b3e6a353SBarry Smith Residual norms for tao_bnk_ solve. 7b3e6a353SBarry Smith 0 KSP Residual norm 0.518567 8b3e6a353SBarry Smith 1 KSP Residual norm 0.227853 9b3e6a353SBarry Smith 2 KSP Residual norm 0.0519195 10b3e6a353SBarry Smith 3 KSP Residual norm 0.0137323 11b3e6a353SBarry Smith 4 KSP Residual norm 0.0036597 12b3e6a353SBarry Smith 5 KSP Residual norm 0.00107448 13b3e6a353SBarry Smith 6 KSP Residual norm 0.000225933 14b3e6a353SBarry Smith 7 KSP Residual norm 7.73938e-05 15b3e6a353SBarry Smith 8 KSP Residual norm 1.97074e-05 16b3e6a353SBarry Smith 9 KSP Residual norm 5.89849e-06 17b3e6a353SBarry Smith 10 KSP Residual norm 1.41629e-06 18b3e6a353SBarry Smith 1 TAO, Function value: -0.25186, Residual: 0.180492 19b3e6a353SBarry Smith Residual norms for tao_bnk_ solve. 20b3e6a353SBarry Smith 0 KSP Residual norm 0.133515 21b3e6a353SBarry Smith 1 KSP Residual norm 0.0347053 22b3e6a353SBarry Smith 2 KSP Residual norm 0.0106527 23b3e6a353SBarry Smith 3 KSP Residual norm 0.00364437 24b3e6a353SBarry Smith 4 KSP Residual norm 0.00127409 25b3e6a353SBarry Smith 5 KSP Residual norm 0.000405614 26b3e6a353SBarry Smith 6 KSP Residual norm 0.000144899 27b3e6a353SBarry Smith 7 KSP Residual norm 3.70417e-05 28b3e6a353SBarry Smith 8 KSP Residual norm 8.98612e-06 29b3e6a353SBarry Smith 9 KSP Residual norm 2.22987e-06 30b3e6a353SBarry Smith 10 KSP Residual norm 6.22826e-07 31b3e6a353SBarry Smith 2 TAO, Function value: -0.254335, Residual: 0.0708464 32b3e6a353SBarry Smith Residual norms for tao_bnk_ solve. 33b3e6a353SBarry Smith 0 KSP Residual norm 0.041877 34b3e6a353SBarry Smith 1 KSP Residual norm 0.0144313 35b3e6a353SBarry Smith 2 KSP Residual norm 0.00541821 36b3e6a353SBarry Smith 3 KSP Residual norm 0.00294276 37b3e6a353SBarry Smith 4 KSP Residual norm 0.00113979 38b3e6a353SBarry Smith 5 KSP Residual norm 0.000260774 39b3e6a353SBarry Smith 6 KSP Residual norm 9.25091e-05 40b3e6a353SBarry Smith 7 KSP Residual norm 2.80124e-05 41b3e6a353SBarry Smith 8 KSP Residual norm 1.0652e-05 42b3e6a353SBarry Smith 9 KSP Residual norm 3.29678e-06 43b3e6a353SBarry Smith 10 KSP Residual norm 1.16907e-06 44b3e6a353SBarry Smith 11 KSP Residual norm 4.63953e-07 45b3e6a353SBarry Smith 12 KSP Residual norm 2.1494e-07 46b3e6a353SBarry Smith 3 TAO, Function value: -0.254632, Residual: 0.00181197 47b3e6a353SBarry Smith Residual norms for tao_bnk_ solve. 48b3e6a353SBarry Smith 0 KSP Residual norm 0.000910126 49b3e6a353SBarry Smith 1 KSP Residual norm 0.000309035 50b3e6a353SBarry Smith 2 KSP Residual norm 0.000130715 51b3e6a353SBarry Smith 3 KSP Residual norm 4.47937e-05 52b3e6a353SBarry Smith 4 KSP Residual norm 1.6128e-05 53b3e6a353SBarry Smith 5 KSP Residual norm 6.66337e-06 54b3e6a353SBarry Smith 6 KSP Residual norm 2.13076e-06 55b3e6a353SBarry Smith 7 KSP Residual norm 1.0738e-06 56b3e6a353SBarry Smith 8 KSP Residual norm 4.25672e-07 57b3e6a353SBarry Smith 9 KSP Residual norm 1.73696e-07 58b3e6a353SBarry Smith 10 KSP Residual norm 6.50271e-08 59b3e6a353SBarry Smith 11 KSP Residual norm 2.63976e-08 60b3e6a353SBarry Smith 12 KSP Residual norm 1.23463e-08 61b3e6a353SBarry Smith 13 KSP Residual norm 4.78759e-09 62b3e6a353SBarry Smith 4 TAO, Function value: -0.254632, Residual: 4.78759e-09 63b3e6a353SBarry SmithTao Object: 1 MPI process 64b3e6a353SBarry Smith type: bntr 65b3e6a353SBarry Smith Tao Object: (tao_bnk_cg_) 1 MPI process 66b3e6a353SBarry Smith type: bncg 67b3e6a353SBarry Smith CG Type: ssml_bfgs 68b3e6a353SBarry Smith Skipped Stepdirection Updates: 0 69b3e6a353SBarry Smith Scaled gradient steps: 0 70b3e6a353SBarry Smith Pure gradient steps: 0 71b3e6a353SBarry Smith Not a descent direction: 0 72b3e6a353SBarry Smith Line search fails: 0 73b3e6a353SBarry Smith Matrix has not been preallocated yet 74b3e6a353SBarry Smith TaoLineSearch Object: (tao_bnk_cg_) 1 MPI process 75b3e6a353SBarry Smith type: more-thuente 76b3e6a353SBarry Smith maximum function evaluations=30 77b3e6a353SBarry Smith tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 78b3e6a353SBarry Smith total number of function evaluations=0 79b3e6a353SBarry Smith total number of gradient evaluations=0 80b3e6a353SBarry Smith total number of function/gradient evaluations=0 811404853cSMatthew G. Knepley Termination reason: CONTINUE_ITERATING 82b3e6a353SBarry Smith Active Set subset type: subvec 8309fb3ddcSToby Isaac convergence tolerances: gatol=1e-08, grtol=1e-08, steptol=0., gttol=0. 84b3e6a353SBarry Smith Residual in Function/Gradient:=0. 85b3e6a353SBarry Smith Objective value=0. 86b3e6a353SBarry Smith total number of iterations=0, (max: 2000) 87606f75f6SBarry Smith Solver never run 88b3e6a353SBarry Smith Rejected BFGS updates: 0 89b3e6a353SBarry Smith CG steps: 0 90b3e6a353SBarry Smith Newton steps: 4 91b3e6a353SBarry Smith BFGS steps: 0 92b3e6a353SBarry Smith Scaled gradient steps: 0 93b3e6a353SBarry Smith Gradient steps: 0 94b3e6a353SBarry Smith KSP termination reasons: 95b3e6a353SBarry Smith atol: 0 96b3e6a353SBarry Smith rtol: 4 97b3e6a353SBarry Smith ctol: 0 98b3e6a353SBarry Smith negc: 0 99b3e6a353SBarry Smith dtol: 0 100b3e6a353SBarry Smith iter: 0 101b3e6a353SBarry Smith othr: 0 102b3e6a353SBarry Smith TaoLineSearch Object: 1 MPI process 103b3e6a353SBarry Smith type: more-thuente 104b3e6a353SBarry Smith maximum function evaluations=30 105b3e6a353SBarry Smith tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 106b3e6a353SBarry Smith total number of function evaluations=0 107b3e6a353SBarry Smith total number of gradient evaluations=0 108b3e6a353SBarry Smith total number of function/gradient evaluations=0 109b3e6a353SBarry Smith using variable bounds 1101404853cSMatthew G. Knepley Termination reason: CONTINUE_ITERATING 111b3e6a353SBarry Smith KSP Object: (tao_bnk_) 1 MPI process 112b3e6a353SBarry Smith type: stcg 113b3e6a353SBarry Smith maximum iterations=10000, initial guess is zero 114b3e6a353SBarry Smith tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 115b3e6a353SBarry Smith left preconditioning 116b3e6a353SBarry Smith using UNPRECONDITIONED norm type for convergence test 117b3e6a353SBarry Smith PC Object: (tao_bnk_) 1 MPI process 118b3e6a353SBarry Smith type: lmvm 119b3e6a353SBarry Smith Mat Object: (tao_bnk_pc_lmvm_) 1 MPI process 120b3e6a353SBarry Smith type: lmvmbfgs 121b3e6a353SBarry Smith rows=100, cols=100 122b3e6a353SBarry Smith Max. storage: 5 123b3e6a353SBarry Smith Used storage: 3 124b3e6a353SBarry Smith Number of updates: 3 125b3e6a353SBarry Smith Number of rejects: 0 126b3e6a353SBarry Smith Number of resets: 0 12709fb3ddcSToby Isaac J0: 12809fb3ddcSToby Isaac Mat Object: (tao_bnk_pc_lmvm_mat_lmvm_J0_) 1 MPI process 12909fb3ddcSToby Isaac type: diagonal 130b3e6a353SBarry Smith rows=100, cols=100 13109fb3ddcSToby Isaac Vec Object: 1 MPI process 13209fb3ddcSToby Isaac type: seq 13309fb3ddcSToby Isaac Rescale type: diagonal 13409fb3ddcSToby Isaac Rescale history: 1 13509fb3ddcSToby Isaac Rescale params: alpha=1., beta=0.5, rho=1. 13609fb3ddcSToby Isaac Rescale convex factor: theta=0.125 137*ecf3d421SBarry Smith linear system matrix, which is also used to construct the preconditioner: 138b3e6a353SBarry Smith Mat Object: 1 MPI process 139b3e6a353SBarry Smith type: seqaij 140b3e6a353SBarry Smith rows=50, cols=50 141b3e6a353SBarry Smith total: nonzeros=176, allocated nonzeros=176 142b3e6a353SBarry Smith total number of mallocs used during MatSetValues calls=0 143b3e6a353SBarry Smith not using I-node routines 144b3e6a353SBarry Smith total KSP iterations: 45 145b3e6a353SBarry Smith Active Set subset type: subvec 14609fb3ddcSToby Isaac convergence tolerances: gatol=1e-08, grtol=1e-08, steptol=0., gttol=0. 147b3e6a353SBarry Smith Residual in Function/Gradient:=4.78759e-09 148b3e6a353SBarry Smith Objective value=-0.254632 149b3e6a353SBarry Smith total number of iterations=4, (max: 50) 150606f75f6SBarry Smith total number of function/gradient evaluations=14, (max: unlimited) 151b3e6a353SBarry Smith total number of Hessian evaluations=4 152b3e6a353SBarry Smith Solution converged: ||g(X)|| <= gatol 153