0 KSP unpreconditioned resid norm 4.408491805595e+02 true resid norm 4.408491805595e+02 ||r(i)||/||b|| 1.000000000000e+00 1 KSP unpreconditioned resid norm 4.408428143779e+02 true resid norm 4.408428143779e+02 ||r(i)||/||b|| 9.999855592753e-01 2 KSP unpreconditioned resid norm 4.408351821261e+02 true resid norm 4.408351821261e+02 ||r(i)||/||b|| 9.999682466611e-01 3 KSP unpreconditioned resid norm 4.408347919291e+02 true resid norm 4.408352453789e+02 ||r(i)||/||b|| 9.999683901406e-01 4 KSP unpreconditioned resid norm 4.408319586612e+02 true resid norm 4.408393414475e+02 ||r(i)||/||b|| 9.999776814557e-01 5 KSP unpreconditioned resid norm 4.408290616143e+02 true resid norm 4.408490412903e+02 ||r(i)||/||b|| 9.999996840887e-01 6 KSP unpreconditioned resid norm 4.408261641872e+02 true resid norm 4.408652658371e+02 ||r(i)||/||b|| 1.000036487031e+00 7 KSP unpreconditioned resid norm 4.408232668219e+02 true resid norm 4.408831636965e+02 ||r(i)||/||b|| 1.000077085630e+00 8 KSP unpreconditioned resid norm 4.408203695135e+02 true resid norm 4.409145001053e+02 ||r(i)||/||b|| 1.000148167556e+00 9 KSP unpreconditioned resid norm 4.408174722622e+02 true resid norm 4.409380106343e+02 ||r(i)||/||b|| 1.000201497652e+00 10 KSP unpreconditioned resid norm 4.408145750681e+02 true resid norm 4.409746835362e+02 ||r(i)||/||b|| 1.000284684609e+00 11 KSP unpreconditioned resid norm 4.408116779310e+02 true resid norm 4.409990113133e+02 ||r(i)||/||b|| 1.000339868509e+00 12 KSP unpreconditioned resid norm 4.408087808511e+02 true resid norm 4.410461225259e+02 ||r(i)||/||b|| 1.000446733203e+00 13 KSP unpreconditioned resid norm 4.408058838284e+02 true resid norm 4.411121811658e+02 ||r(i)||/||b|| 1.000596577283e+00 14 KSP unpreconditioned resid norm 4.408029868627e+02 true resid norm 4.411588343216e+02 ||r(i)||/||b|| 1.000702402943e+00 15 KSP unpreconditioned resid norm 4.408000899542e+02 true resid norm 4.412497058354e+02 ||r(i)||/||b|| 1.000908531293e+00 16 KSP unpreconditioned resid norm 4.407971931027e+02 true resid norm 4.412804950442e+02 ||r(i)||/||b|| 1.000978371978e+00 17 KSP unpreconditioned resid norm 4.407942963084e+02 true resid norm 4.413418721920e+02 ||r(i)||/||b|| 1.001117596798e+00 18 KSP unpreconditioned resid norm 4.407913995712e+02 true resid norm 4.414573732249e+02 ||r(i)||/||b|| 1.001379593503e+00 19 KSP unpreconditioned resid norm 4.407885028911e+02 true resid norm 4.414720260690e+02 ||r(i)||/||b|| 1.001412831274e+00 20 KSP unpreconditioned resid norm 4.407856062681e+02 true resid norm 4.415740853040e+02 ||r(i)||/||b|| 1.001644337285e+00 KSP Object: 1 MPI processes type: fgmres restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement happy breakdown tolerance 1e-30 maximum iterations=20, initial guess is zero tolerances: relative=1e-08, absolute=1e-50, divergence=10000. right preconditioning using UNPRECONDITIONED norm type for convergence test PC Object: 1 MPI processes type: gamg type is MULTIPLICATIVE, levels=4 cycles=v Cycles per PCApply=1 Using externally compute Galerkin coarse grid matrices GAMG specific options Threshold for dropping small values in graph on each level = 0. 0. Threshold scaling factor for each level not specified = 1. AGG specific options Symmetric graph true Number of levels to square graph 1 Number smoothing steps 1 Coarse grid solver -- level ------------------------------- KSP Object: (mg_coarse_) 1 MPI processes type: preonly maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning using NONE norm type for convergence test PC Object: (mg_coarse_) 1 MPI processes type: bjacobi number of blocks = 1 Local solve is same for all blocks, in the following KSP and PC objects: KSP Object: (mg_coarse_sub_) 1 MPI processes type: preonly maximum iterations=1, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning using NONE norm type for convergence test PC Object: (mg_coarse_sub_) 1 MPI processes type: lu out-of-place factorization tolerance for zero pivot 2.22045e-14 using diagonal shift on blocks to prevent zero pivot [INBLOCKS] matrix ordering: nd factor fill ratio given 5., needed 1.02013 Factored matrix follows: Mat Object: 1 MPI processes type: seqaij rows=18, cols=18 package used to perform factorization: petsc total: nonzeros=304, allocated nonzeros=304 total number of mallocs used during MatSetValues calls =0 using I-node routines: found 9 nodes, limit used is 5 linear system matrix = precond matrix: Mat Object: 1 MPI processes type: seqaij rows=18, cols=18 total: nonzeros=298, allocated nonzeros=298 total number of mallocs used during MatSetValues calls =0 not using I-node routines linear system matrix = precond matrix: Mat Object: 1 MPI processes type: seqaij rows=18, cols=18 total: nonzeros=298, allocated nonzeros=298 total number of mallocs used during MatSetValues calls =0 not using I-node routines Down solver (pre-smoother) on level 1 ------------------------------- KSP Object: (mg_levels_1_) 1 MPI processes type: gmres restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement happy breakdown tolerance 1e-30 maximum iterations=2, nonzero initial guess tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning using NONE norm type for convergence test PC Object: (mg_levels_1_) 1 MPI processes type: sor type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. linear system matrix = precond matrix: Mat Object: 1 MPI processes type: seqaij rows=212, cols=212 total: nonzeros=5642, allocated nonzeros=5642 total number of mallocs used during MatSetValues calls =0 not using I-node routines Up solver (post-smoother) same as down solver (pre-smoother) Down solver (pre-smoother) on level 2 ------------------------------- KSP Object: (mg_levels_2_) 1 MPI processes type: gmres restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement happy breakdown tolerance 1e-30 maximum iterations=2, nonzero initial guess tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning using NONE norm type for convergence test PC Object: (mg_levels_2_) 1 MPI processes type: sor type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. linear system matrix = precond matrix: Mat Object: 1 MPI processes type: seqaij rows=1631, cols=1631 total: nonzeros=24547, allocated nonzeros=24547 total number of mallocs used during MatSetValues calls =0 not using I-node routines Up solver (post-smoother) same as down solver (pre-smoother) Down solver (pre-smoother) on level 3 ------------------------------- KSP Object: (mg_levels_3_) 1 MPI processes type: gmres restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement happy breakdown tolerance 1e-30 maximum iterations=2, nonzero initial guess tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning using NONE norm type for convergence test PC Object: (mg_levels_3_) 1 MPI processes type: sor type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. linear system matrix = precond matrix: Mat Object: 1 MPI processes type: seqaij rows=194348, cols=194348 total: nonzeros=14499576, allocated nonzeros=14499576 total number of mallocs used during MatSetValues calls =0 using I-node routines: found 48666 nodes, limit used is 5 Up solver (post-smoother) same as down solver (pre-smoother) linear system matrix = precond matrix: Mat Object: 1 MPI processes type: seqaij rows=194348, cols=194348 total: nonzeros=14499576, allocated nonzeros=14499576 total number of mallocs used during MatSetValues calls =0 using I-node routines: found 48666 nodes, limit used is 5