1 0 SNES Function norm 0.207564 2 1 SNES Function norm 0.0148968 3 2 SNES Function norm 0.000113967 4 3 SNES Function norm 6.92417e-09 5 4 SNES Function norm < 1.e-11 6SNES Object: 4 MPI processes 7 type: ls 8 line search variant: SNESLineSearchCubic 9 alpha=0.0001, maxstep=1e+08, minlambda=1e-12 10 maximum iterations=50, maximum function evaluations=10000 11 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 12 total number of linear solver iterations=4 13 total number of function evaluations=5 14 KSP Object: 4 MPI processes 15 type: gmres 16 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with one step of iterative refinement 17 happy breakdown tolerance 1e-30 18 maximum iterations=10000, initial guess is zero 19 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 20 left preconditioning 21 using PRECONDITIONED norm type for convergence test 22 PC Object: 4 MPI processes 23 type: bjacobi 24 number of blocks = 4 25 Local solver information for first block is in the following KSP and PC objects on rank 0: 26 Use -ksp_view ::ascii_info_detail to display information for all blocks 27 KSP Object: (sub_) 1 MPI process 28 type: preonly 29 maximum iterations=10000, initial guess is zero 30 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 31 left preconditioning 32 using PRECONDITIONED norm type for convergence test 33 PC Object: (sub_) 1 MPI process 34 type: ilu 35 out-of-place factorization 36 0 levels of fill 37 tolerance for zero pivot 1e-12 38 using diagonal shift to prevent zero pivot [NONZERO] 39 matrix ordering: natural 40 factor fill ratio given 1., needed 1. 41 Factored matrix follows: 42 Mat Object: (sub_) 1 MPI process 43 type: seqaij 44 rows=4, cols=4 45 package used to perform factorization: petsc 46 total: nonzeros=12, allocated nonzeros=12 47 not using I-node routines 48 linear system matrix = precond matrix: 49 Mat Object: (sub_) 1 MPI process 50 type: seqaij 51 rows=4, cols=4 52 total: nonzeros=12, allocated nonzeros=12 53 total number of mallocs used during MatSetValues calls=0 54 not using I-node routines 55 linear system matrix = precond matrix: 56 Mat Object: 4 MPI processes 57 type: mpiaij 58 rows=16, cols=16 59 total: nonzeros=64, allocated nonzeros=64 60 total number of mallocs used during MatSetValues calls=0 61 Mat Object: 4 MPI processes 62 type: mpiaij 63 rows=16, cols=16 64 total: nonzeros=64, allocated nonzeros=64 65 total number of mallocs used during MatSetValues calls=0 66 not using I-node (on process 0) routines 67Number of SNES iterations = 4 68