1 0 SNES Function norm 0.467874 2 0 KSP Residual norm 0.216401 3 1 KSP Residual norm 0.0553349 4 2 KSP Residual norm 0.0212547 5 3 KSP Residual norm 0.0048176 6 4 KSP Residual norm 0.0021287 7 5 KSP Residual norm 0.00100956 8 6 KSP Residual norm 0.000532496 9 7 KSP Residual norm 0.000209007 10 8 KSP Residual norm 0.000139492 11 9 KSP Residual norm 0.000173401 12 10 KSP Residual norm 0.000225398 13 11 KSP Residual norm 0.000178771 14 12 KSP Residual norm 0.000135484 15 13 KSP Residual norm 0.00012088 16 14 KSP Residual norm 0.000101858 17 15 KSP Residual norm 5.80403e-05 18 16 KSP Residual norm 3.43514e-05 19 17 KSP Residual norm 3.29735e-05 20 18 KSP Residual norm 1.64922e-05 21 19 KSP Residual norm 1.48312e-05 22 20 KSP Residual norm 1.25128e-05 23 21 KSP Residual norm 8.36054e-06 24 22 KSP Residual norm 4.02426e-06 25 23 KSP Residual norm 4.6593e-06 26 24 KSP Residual norm 5.72482e-06 27 25 KSP Residual norm 4.00111e-06 28 26 KSP Residual norm 3.46507e-06 29 27 KSP Residual norm 3.96412e-06 30 28 KSP Residual norm 3.05863e-06 31 29 KSP Residual norm 2.09907e-06 32KSP Object: 5 MPI processes 33 type: cg 34 maximum iterations=10000, initial guess is zero 35 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 36 left preconditioning 37 using NATURAL norm type for convergence test 38PC Object: 5 MPI processes 39 type: mg 40 type is MULTIPLICATIVE, levels=2 cycles=v 41 Cycles per PCApply=1 42 Using Galerkin computed coarse grid matrices 43 Coarse grid solver -- level 0 ------------------------------- 44 KSP Object: (mg_coarse_) 5 MPI processes 45 type: preonly 46 maximum iterations=10000, initial guess is zero 47 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 48 left preconditioning 49 not checking for convergence 50 PC Object: (mg_coarse_) 5 MPI processes 51 type: redundant 52 First (color=0) of 5 PCs follows 53 KSP Object: (mg_coarse_redundant_) 1 MPI process 54 type: preonly 55 maximum iterations=10000, initial guess is zero 56 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 57 left preconditioning 58 not checking for convergence 59 PC Object: (mg_coarse_redundant_) 1 MPI process 60 type: cholesky 61 out-of-place factorization 62 tolerance for zero pivot 2.22045e-14 63 matrix ordering: nd 64 factor fill ratio given 5., needed 1. 65 Factored matrix: 66 Mat Object: (mg_coarse_redundant_) 1 MPI process 67 type: seqsbaij 68 rows=50, cols=50 69 package used to perform factorization: petsc 70 total: nonzeros=1275, allocated nonzeros=1275 71 block size is 1 72 linear system matrix, which is also used to construct the preconditioner: 73 Mat Object: 1 MPI process 74 type: seqaij 75 rows=50, cols=50 76 total: nonzeros=2500, allocated nonzeros=2500 77 total number of mallocs used during MatSetValues calls=0 78 using I-node routines: found 10 nodes, limit used is 5 79 linear system matrix, which is also used to construct the preconditioner: 80 Mat Object: 5 MPI processes 81 type: mpiaij 82 rows=50, cols=50 83 total: nonzeros=2500, allocated nonzeros=2500 84 total number of mallocs used during MatSetValues calls=0 85 using nonscalable MatPtAP() implementation 86 using I-node (on process 0) routines: found 2 nodes, limit used is 5 87 Down solver (pre-smoother) on level 1 ------------------------------- 88 KSP Object: (mg_levels_1_) 5 MPI processes 89 type: chebyshev 90 Chebyshev polynomial of first kind 91 eigenvalue targets used: min 0.237828, max 2.61611 92 eigenvalues estimated via cg: min 0.0240432, max 2.37828 93 eigenvalues estimated using cg with transform: [0. 0.1; 0. 1.1] 94 KSP Object: (mg_levels_1_esteig_) 5 MPI processes 95 type: cg 96 maximum iterations=10, initial guess is zero 97 tolerances: relative=1e-12, absolute=1e-50, divergence=10000. 98 left preconditioning 99 using PRECONDITIONED norm type for convergence test 100 PC Object: 5 MPI processes 101 type not yet set 102 PC has not been set up so information may be incomplete 103 estimating eigenvalues using a noisy random number generated right-hand side 104 maximum iterations=2, nonzero initial guess 105 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 106 left preconditioning 107 not checking for convergence 108 PC Object: (mg_levels_1_) 5 MPI processes 109 type: bjacobi 110 number of blocks = 5 111 Local solver information for first block is in the following KSP and PC objects on rank 0: 112 Use -mg_levels_1_ksp_view ::ascii_info_detail to display information for all blocks 113 KSP Object: (mg_levels_1_sub_) 1 MPI process 114 type: preonly 115 maximum iterations=10000, initial guess is zero 116 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 117 left preconditioning 118 not checking for convergence 119 PC Object: (mg_levels_1_sub_) 1 MPI process 120 type: icc 121 out-of-place factorization 122 0 levels of fill 123 tolerance for zero pivot 2.22045e-14 124 using Manteuffel shift [POSITIVE_DEFINITE] 125 matrix ordering: natural 126 factor fill ratio given 1., needed 1. 127 Factored matrix: 128 Mat Object: (mg_levels_1_sub_) 1 MPI process 129 type: seqsbaij 130 rows=28, cols=28 131 package used to perform factorization: petsc 132 total: nonzeros=226, allocated nonzeros=226 133 block size is 1 134 linear system matrix, which is also used to construct the preconditioner: 135 Mat Object: (mg_levels_1_sub_) 1 MPI process 136 type: seqaij 137 rows=28, cols=28 138 total: nonzeros=424, allocated nonzeros=424 139 total number of mallocs used during MatSetValues calls=0 140 using I-node routines: found 10 nodes, limit used is 5 141 linear system matrix, which is also used to construct the preconditioner: 142 Mat Object: 5 MPI processes 143 type: mpiaij 144 rows=252, cols=252 145 total: nonzeros=11872, allocated nonzeros=11872 146 total number of mallocs used during MatSetValues calls=0 147 has attached near null space 148 using I-node (on process 0) routines: found 10 nodes, limit used is 5 149 Up solver (post-smoother) same as down solver (pre-smoother) 150 linear system matrix, which is also used to construct the preconditioner: 151 Mat Object: 5 MPI processes 152 type: mpiaij 153 rows=252, cols=252 154 total: nonzeros=11872, allocated nonzeros=11872 155 total number of mallocs used during MatSetValues calls=0 156 has attached near null space 157 using I-node (on process 0) routines: found 10 nodes, limit used is 5 158 1 SNES Function norm 5.93822e-06 159