1 0 SNES Function norm 53.7401 2 1 SNES Function norm 21.1059 3 2 SNES Function norm 1.48791 4 3 SNES Function norm 0.0100216 5 4 SNES Function norm 4.67479e-07 6SNES Object: 1 MPI processes 7 type: newtonls 8 maximum iterations=50, maximum function evaluations=10000 9 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 10 total number of linear solver iterations=4 11 total number of function evaluations=22 12 norm schedule ALWAYS 13 Jacobian is built using colored finite differences on a DMDA 14 SNESLineSearch Object: 1 MPI processes 15 type: bt 16 interpolation: cubic 17 alpha=1.000000e-04 18 maxstep=1.000000e+08, minlambda=1.000000e-12 19 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 20 maximum iterations=40 21 KSP Object: 1 MPI processes 22 type: fgmres 23 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 24 happy breakdown tolerance 1e-30 25 maximum iterations=10000, initial guess is zero 26 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 27 right preconditioning 28 using UNPRECONDITIONED norm type for convergence test 29 PC Object: 1 MPI processes 30 type: mg 31 type is FULL, levels=2 cycles=v 32 Using Galerkin computed coarse grid matrices for pmat 33 Coarse grid solver -- level ------------------------------- 34 KSP Object: (mg_coarse_) 1 MPI processes 35 type: preonly 36 maximum iterations=10000, initial guess is zero 37 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 38 left preconditioning 39 using NONE norm type for convergence test 40 PC Object: (mg_coarse_) 1 MPI processes 41 type: lu 42 out-of-place factorization 43 tolerance for zero pivot 2.22045e-14 44 using diagonal shift on blocks to prevent zero pivot [INBLOCKS] 45 matrix ordering: nd 46 factor fill ratio given 5., needed 2.38265 47 Factored matrix follows: 48 Mat Object: 1 MPI processes 49 type: seqaij 50 rows=200, cols=200, bs=2 51 package used to perform factorization: petsc 52 total: nonzeros=7472, allocated nonzeros=7472 53 using I-node routines: found 82 nodes, limit used is 5 54 linear system matrix = precond matrix: 55 Mat Object: 1 MPI processes 56 type: seqaij 57 rows=200, cols=200, bs=2 58 total: nonzeros=3136, allocated nonzeros=3136 59 total number of mallocs used during MatSetValues calls=0 60 using I-node routines: found 100 nodes, limit used is 5 61 Down solver (pre-smoother) on level 1 ------------------------------- 62 KSP Object: (mg_levels_1_) 1 MPI processes 63 type: chebyshev 64 eigenvalue estimates used: min = 0.1, max = 1.1 65 eigenvalues estimate via gmres min 1., max 1. 66 eigenvalues estimated using gmres with translations [0. 0.1; 0. 1.1] 67 KSP Object: (mg_levels_1_esteig_) 1 MPI processes 68 type: gmres 69 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 70 happy breakdown tolerance 1e-30 71 maximum iterations=10, initial guess is zero 72 tolerances: relative=1e-12, absolute=1e-50, divergence=10000. 73 left preconditioning 74 using PRECONDITIONED norm type for convergence test 75 estimating eigenvalues using noisy right hand side 76 maximum iterations=2, nonzero initial guess 77 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 78 left preconditioning 79 using NONE norm type for convergence test 80 PC Object: (mg_levels_1_) 1 MPI processes 81 type: sor 82 type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. 83 linear system matrix = precond matrix: 84 Mat Object: 1 MPI processes 85 type: seqaij 86 rows=722, cols=722, bs=2 87 total: nonzeros=12100, allocated nonzeros=12100 88 total number of mallocs used during MatSetValues calls=0 89 using I-node routines: found 361 nodes, limit used is 5 90 Up solver (post-smoother) same as down solver (pre-smoother) 91 linear system matrix = precond matrix: 92 Mat Object: 1 MPI processes 93 type: seqaij 94 rows=722, cols=722, bs=2 95 total: nonzeros=12100, allocated nonzeros=12100 96 total number of mallocs used during MatSetValues calls=0 97 using I-node routines: found 361 nodes, limit used is 5 98