1 0 SNES Function norm 26.8701 2 1 SNES Function norm 6.71751 3 2 SNES Function norm 0.186598 4 3 SNES Function norm 0.000161417 5 4 SNES Function norm 1.212e-10 6SNES Object: 1 MPI process 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=5 12 norm schedule ALWAYS 13 Jacobian is built using colored finite differences on a DMDA 14 SNESLineSearch Object: 1 MPI process 15 type: bt 16 interpolation: cubic 17 alpha=1.000000e-04 18 maxlambda=1.000000e+00, 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 process 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 process 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 0 ------------------------------- 34 KSP Object: (mg_coarse_) 1 MPI process 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 not checking for convergence 40 PC Object: (mg_coarse_) 1 MPI process 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: 48 Mat Object: (mg_coarse_) 1 MPI process 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, which is also used to construct the preconditioner: 55 Mat Object: 1 MPI process 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 process 63 type: chebyshev 64 Chebyshev polynomial of first kind 65 eigenvalue targets used: min 0.1, max 1.1 66 eigenvalues estimated via gmres: min 1., max 1. 67 eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1] 68 KSP Object: (mg_levels_1_esteig_) 1 MPI process 69 type: gmres 70 restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement 71 happy breakdown tolerance=1e-30 72 maximum iterations=10, initial guess is zero 73 tolerances: relative=1e-12, absolute=1e-50, divergence=10000. 74 left preconditioning 75 using PRECONDITIONED norm type for convergence test 76 estimating eigenvalues using a noisy random number generated right-hand side 77 maximum iterations=2, nonzero initial guess 78 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 79 left preconditioning 80 not checking for convergence 81 PC Object: (mg_levels_1_) 1 MPI process 82 type: sor 83 type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. 84 linear system matrix, which is also used to construct the preconditioner: 85 Mat Object: 1 MPI process 86 type: seqaij 87 rows=722, cols=722, bs=2 88 total: nonzeros=12100, allocated nonzeros=12100 89 total number of mallocs used during MatSetValues calls=0 90 using I-node routines: found 361 nodes, limit used is 5 91 Up solver (post-smoother) same as down solver (pre-smoother) 92 linear system matrix, which is also used to construct the preconditioner: 93 Mat Object: 1 MPI process 94 type: seqaij 95 rows=722, cols=722, bs=2 96 total: nonzeros=12100, allocated nonzeros=12100 97 total number of mallocs used during MatSetValues calls=0 98 using I-node routines: found 361 nodes, limit used is 5 99