1c4762a1bSJed Brown 0 TAO, Function value: 0.155766, Residual: 1.23421 2c4762a1bSJed Brown 0 TAO, Function value: 0.0322952, Residual: 0.727598 376be6f4fSStefano Zampini 1 TAO, Function value: 0.0139605, Residual: 0.773901 476be6f4fSStefano Zampini 2 TAO, Function value: 0.00073508, Residual: 0.151866 576be6f4fSStefano Zampini 3 TAO, Function value: 2.37601e-06, Residual: 0.00829695 676be6f4fSStefano Zampini 4 TAO, Function value: 3.36305e-11, Residual: 3.1135e-05 776be6f4fSStefano Zampini 5 TAO, Function value: 6.78053e-21, Residual: 4.42089e-10 88cc725e6SPierre JolivetTao Object: 1 MPI process 9c4762a1bSJed Brown type: bntr 10b17ffb64SBarry Smith Tao Object: (tao_bnk_cg_) 1 MPI process 11b17ffb64SBarry Smith type: bncg 12b17ffb64SBarry Smith CG Type: ssml_bfgs 13b17ffb64SBarry Smith Skipped Stepdirection Updates: 0 14b17ffb64SBarry Smith Scaled gradient steps: 0 15b17ffb64SBarry Smith Pure gradient steps: 0 16b17ffb64SBarry Smith Not a descent direction: 0 17b17ffb64SBarry Smith Line search fails: 0 18b17ffb64SBarry Smith Matrix has not been preallocated yet 19b17ffb64SBarry Smith TaoLineSearch Object: (tao_bnk_cg_) 1 MPI process 20b17ffb64SBarry Smith type: more-thuente 21b17ffb64SBarry Smith maximum function evaluations=30 22b17ffb64SBarry Smith tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 23b17ffb64SBarry Smith total number of function evaluations=0 24b17ffb64SBarry Smith total number of gradient evaluations=0 25b17ffb64SBarry Smith total number of function/gradient evaluations=0 261404853cSMatthew G. Knepley Termination reason: CONTINUE_ITERATING 2709cb0f53SBarry Smith convergence tolerances: gatol=1e-08, grtol=1e-08, steptol=0., gttol=0. 28b17ffb64SBarry Smith Residual in Function/Gradient:=0. 29b17ffb64SBarry Smith Objective value=0. 30b17ffb64SBarry Smith total number of iterations=0, (max: 2000) 3109cb0f53SBarry Smith Solver never run 32c4762a1bSJed Brown CG steps: 0 33c4762a1bSJed Brown Newton steps: 5 34c4762a1bSJed Brown Scaled gradient steps: 0 35c4762a1bSJed Brown Gradient steps: 0 36c4762a1bSJed Brown KSP termination reasons: 37c4762a1bSJed Brown atol: 0 38c4762a1bSJed Brown rtol: 2 39c4762a1bSJed Brown ctol: 1 40c4762a1bSJed Brown negc: 2 41c4762a1bSJed Brown dtol: 0 42c4762a1bSJed Brown iter: 0 43c4762a1bSJed Brown othr: 0 448cc725e6SPierre Jolivet TaoLineSearch Object: 1 MPI process 45c4762a1bSJed Brown type: more-thuente 46c4762a1bSJed Brown maximum function evaluations=30 47c4762a1bSJed Brown tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 48c4762a1bSJed Brown total number of function evaluations=0 49c4762a1bSJed Brown total number of gradient evaluations=0 50c4762a1bSJed Brown total number of function/gradient evaluations=0 511404853cSMatthew G. Knepley Termination reason: CONTINUE_ITERATING 528cc725e6SPierre Jolivet KSP Object: (tao_bnk_) 1 MPI process 53c4762a1bSJed Brown type: stcg 54c4762a1bSJed Brown maximum iterations=10000, initial guess is zero 55c4762a1bSJed Brown tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 56c4762a1bSJed Brown left preconditioning 57c4762a1bSJed Brown using UNPRECONDITIONED norm type for convergence test 588cc725e6SPierre Jolivet PC Object: (tao_bnk_) 1 MPI process 59c4762a1bSJed Brown type: none 60*ecf3d421SBarry Smith linear system matrix, which is also used to construct the preconditioner: 618cc725e6SPierre Jolivet Mat Object: 1 MPI process 62c4762a1bSJed Brown type: shell 63c4762a1bSJed Brown rows=2, cols=2 64c4762a1bSJed Brown total KSP iterations: 8 6509cb0f53SBarry Smith convergence tolerances: gatol=1e-08, grtol=1e-08, steptol=0., gttol=0. 6676be6f4fSStefano Zampini Residual in Function/Gradient:=4.42089e-10 6776be6f4fSStefano Zampini Objective value=6.78053e-21 68c4762a1bSJed Brown total number of iterations=5, (max: 50) 6909cb0f53SBarry Smith total number of function/gradient evaluations=17, (max: unlimited) 70c4762a1bSJed Brown total number of Hessian evaluations=6 71c4762a1bSJed Brown Solution converged: ||g(X)|| <= gatol 72