1 0 KSP Residual norm 0.728046 2 1 KSP Residual norm 0.000452561 3 2 KSP Residual norm 5.56117e-05 4 3 KSP Residual norm 1.48949e-06 5KSP Object: 4 MPI processes 6 type: gmres 7 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 8 happy breakdown tolerance 1e-30 9 maximum iterations=10000, initial guess is zero 10 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 11 left preconditioning 12 using PRECONDITIONED norm type for convergence test 13PC Object: 4 MPI processes 14 type: mg 15 type is FULL, levels=4 cycles=v 16 Not using Galerkin computed coarse grid matrices 17 Coarse grid solver -- level 0 ------------------------------- 18 KSP Object: (mg_coarse_) 4 MPI processes 19 type: preonly 20 maximum iterations=10000, initial guess is zero 21 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 22 left preconditioning 23 using NONE norm type for convergence test 24 PC Object: (mg_coarse_) 4 MPI processes 25 type: redundant 26 First (color=0) of 4 PCs follows 27 KSP Object: (mg_coarse_redundant_) 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 NONE norm type for convergence test 33 PC Object: (mg_coarse_redundant_) 1 MPI process 34 type: svd 35 All singular values smaller than 1e-12 treated as zero 36 Provided essential rank of the matrix 0 (all other eigenvalues are zeroed) 37 linear system matrix = precond matrix: 38 Mat Object: 1 MPI process 39 type: seqaij 40 rows=121, cols=121 41 total: nonzeros=583, allocated nonzeros=583 42 total number of mallocs used during MatSetValues calls=0 43 not using I-node routines 44 linear system matrix = precond matrix: 45 Mat Object: 4 MPI processes 46 type: mpiaij 47 rows=121, cols=121 48 total: nonzeros=583, allocated nonzeros=583 49 total number of mallocs used during MatSetValues calls=0 50 has attached null space 51 Down solver (pre-smoother) on level 1 ------------------------------- 52 KSP Object: (mg_levels_1_) 4 MPI processes 53 type: chebyshev 54 eigenvalue targets used: min 0.149975, max 1.64973 55 eigenvalues estimated via gmres: min 0.0251646, max 1.49975 56 eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1] 57 KSP Object: (mg_levels_1_esteig_) 4 MPI processes 58 type: gmres 59 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 60 happy breakdown tolerance 1e-30 61 maximum iterations=10, initial guess is zero 62 tolerances: relative=1e-12, absolute=1e-50, divergence=10000. 63 left preconditioning 64 using PRECONDITIONED norm type for convergence test 65 estimating eigenvalues using noisy right hand side 66 maximum iterations=2, nonzero initial guess 67 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 68 left preconditioning 69 using NONE norm type for convergence test 70 PC Object: (mg_levels_1_) 4 MPI processes 71 type: sor 72 type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. 73 linear system matrix = precond matrix: 74 Mat Object: 4 MPI processes 75 type: mpiaij 76 rows=462, cols=462 77 total: nonzeros=2266, allocated nonzeros=2266 78 total number of mallocs used during MatSetValues calls=0 79 has attached null space 80 Up solver (post-smoother) same as down solver (pre-smoother) 81 Down solver (pre-smoother) on level 2 ------------------------------- 82 KSP Object: (mg_levels_2_) 4 MPI processes 83 type: chebyshev 84 eigenvalue targets used: min 0.149919, max 1.64911 85 eigenvalues estimated via gmres: min 0.0224513, max 1.49919 86 eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1] 87 KSP Object: (mg_levels_2_esteig_) 4 MPI processes 88 type: gmres 89 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 90 happy breakdown tolerance 1e-30 91 maximum iterations=10, initial guess is zero 92 tolerances: relative=1e-12, absolute=1e-50, divergence=10000. 93 left preconditioning 94 using PRECONDITIONED norm type for convergence test 95 estimating eigenvalues using noisy right hand side 96 maximum iterations=2, nonzero initial guess 97 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 98 left preconditioning 99 using NONE norm type for convergence test 100 PC Object: (mg_levels_2_) 4 MPI processes 101 type: sor 102 type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. 103 linear system matrix = precond matrix: 104 Mat Object: 4 MPI processes 105 type: mpiaij 106 rows=1804, cols=1804 107 total: nonzeros=8932, allocated nonzeros=8932 108 total number of mallocs used during MatSetValues calls=0 109 has attached null space 110 Up solver (post-smoother) same as down solver (pre-smoother) 111 Down solver (pre-smoother) on level 3 ------------------------------- 112 KSP Object: (mg_levels_3_) 4 MPI processes 113 type: chebyshev 114 eigenvalue targets used: min 0.149758, max 1.64734 115 eigenvalues estimated via gmres: min 0.0187827, max 1.49758 116 eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1] 117 KSP Object: (mg_levels_3_esteig_) 4 MPI processes 118 type: gmres 119 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 120 happy breakdown tolerance 1e-30 121 maximum iterations=10, initial guess is zero 122 tolerances: relative=1e-12, absolute=1e-50, divergence=10000. 123 left preconditioning 124 using PRECONDITIONED norm type for convergence test 125 estimating eigenvalues using noisy right hand side 126 maximum iterations=2, nonzero initial guess 127 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 128 left preconditioning 129 using NONE norm type for convergence test 130 PC Object: (mg_levels_3_) 4 MPI processes 131 type: sor 132 type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. 133 linear system matrix = precond matrix: 134 Mat Object: 4 MPI processes 135 type: mpiaij 136 rows=7128, cols=7128 137 total: nonzeros=35464, allocated nonzeros=35464 138 total number of mallocs used during MatSetValues calls=0 139 has attached null space 140 Up solver (post-smoother) same as down solver (pre-smoother) 141 linear system matrix = precond matrix: 142 Mat Object: 4 MPI processes 143 type: mpiaij 144 rows=7128, cols=7128 145 total: nonzeros=35464, allocated nonzeros=35464 146 total number of mallocs used during MatSetValues calls=0 147 has attached null space 148