KSP Object: (o_slin) 6000 MPI processes type: fgmres restart=100, using Modified Gram-Schmidt Orthogonalization happy breakdown tolerance 1e-30 maximum iterations=4000, initial guess is zero tolerances: relative=1e-08, absolute=1e-20, divergence=10000. right preconditioning diagonally scaled system using UNPRECONDITIONED norm type for convergence test PC Object: (o_slin) 6000 MPI processes type: gamg type is MULTIPLICATIVE, levels=6 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. 0. 0. Threshold scaling factor for each level not specified = 1. AGG specific options Symmetric graph false Number of levels to square graph 1 Number smoothing steps 1 Coarse grid solver -- level ------------------------------- KSP Object: (o_slinmg_coarse_) 6000 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: (o_slinmg_coarse_) 6000 MPI processes type: bjacobi number of blocks = 6000 Local solve is same for all blocks, in the following KSP and PC objects: KSP Object: (o_slinmg_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: (o_slinmg_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. Factored matrix follows: Mat Object: 1 MPI processes type: seqaij rows=39, cols=39, bs=3 package used to perform factorization: petsc total: nonzeros=1521, allocated nonzeros=1521 total number of mallocs used during MatSetValues calls =0 using I-node routines: found 8 nodes, limit used is 5 linear system matrix = precond matrix: Mat Object: 1 MPI processes type: seqaij rows=39, cols=39, bs=3 total: nonzeros=1521, allocated nonzeros=1521 total number of mallocs used during MatSetValues calls =0 using I-node routines: found 8 nodes, limit used is 5 linear system matrix = precond matrix: Mat Object: 6000 MPI processes type: mpiaij rows=39, cols=39, bs=3 total: nonzeros=1521, allocated nonzeros=1521 total number of mallocs used during MatSetValues calls =0 using I-node (on process 0) routines: found 8 nodes, limit used is 5 Down solver (pre-smoother) on level 1 ------------------------------- KSP Object: (o_slinmg_levels_1_) 6000 MPI processes type: chebyshev eigenvalue estimates used: min = 0.142377, max = 1.56615 eigenvalues estimate via gmres min 0.194224, max 1.42377 eigenvalues estimated using gmres with translations [0. 0.1; 0. 1.1] KSP Object: (o_slinmg_levels_1_esteig_) 6000 MPI processes type: gmres restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement happy breakdown tolerance 1e-30 maximum iterations=10, initial guess is zero tolerances: relative=1e-12, absolute=1e-50, divergence=10000. left preconditioning using PRECONDITIONED norm type for convergence test estimating eigenvalues using noisy right hand side 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: (o_slinmg_levels_1_) 6000 MPI processes type: sor type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. linear system matrix = precond matrix: Mat Object: 6000 MPI processes type: mpiaij rows=2328, cols=2328, bs=3 total: nonzeros=1200546, allocated nonzeros=1200546 total number of mallocs used during MatSetValues calls =0 using I-node (on process 0) routines: found 22 nodes, limit used is 5 Up solver (post-smoother) same as down solver (pre-smoother) Down solver (pre-smoother) on level 2 ------------------------------- KSP Object: (o_slinmg_levels_2_) 6000 MPI processes type: chebyshev eigenvalue estimates used: min = 0.164665, max = 1.81131 eigenvalues estimate via gmres min 0.0527303, max 1.64665 eigenvalues estimated using gmres with translations [0. 0.1; 0. 1.1] KSP Object: (o_slinmg_levels_2_esteig_) 6000 MPI processes type: gmres restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement happy breakdown tolerance 1e-30 maximum iterations=10, initial guess is zero tolerances: relative=1e-12, absolute=1e-50, divergence=10000. left preconditioning using PRECONDITIONED norm type for convergence test estimating eigenvalues using noisy right hand side 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: (o_slinmg_levels_2_) 6000 MPI processes type: sor type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. linear system matrix = precond matrix: Mat Object: 6000 MPI processes type: mpiaij rows=145227, cols=145227, bs=3 total: nonzeros=111899979, allocated nonzeros=111899979 total number of mallocs used during MatSetValues calls =0 using I-node (on process 0) routines: found 10 nodes, limit used is 5 Up solver (post-smoother) same as down solver (pre-smoother) Down solver (pre-smoother) on level 3 ------------------------------- KSP Object: (o_slinmg_levels_3_) 6000 MPI processes type: chebyshev eigenvalue estimates used: min = 0.168841, max = 1.85725 eigenvalues estimate via gmres min 0.0407557, max 1.68841 eigenvalues estimated using gmres with translations [0. 0.1; 0. 1.1] KSP Object: (o_slinmg_levels_3_esteig_) 6000 MPI processes type: gmres restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement happy breakdown tolerance 1e-30 maximum iterations=10, initial guess is zero tolerances: relative=1e-12, absolute=1e-50, divergence=10000. left preconditioning using PRECONDITIONED norm type for convergence test estimating eigenvalues using noisy right hand side 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: (o_slinmg_levels_3_) 6000 MPI processes type: sor type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. linear system matrix = precond matrix: Mat Object: 6000 MPI processes type: mpiaij rows=5846064, cols=5846064, bs=3 total: nonzeros=2897803908, allocated nonzeros=2897803908 total number of mallocs used during MatSetValues calls =0 using scalable MatPtAP() implementation using I-node (on process 0) routines: found 260 nodes, limit used is 5 Up solver (post-smoother) same as down solver (pre-smoother) Down solver (pre-smoother) on level 4 ------------------------------- KSP Object: (o_slinmg_levels_4_) 6000 MPI processes type: chebyshev eigenvalue estimates used: min = 0.137325, max = 1.51057 eigenvalues estimate via gmres min 0.0311343, max 1.37325 eigenvalues estimated using gmres with translations [0. 0.1; 0. 1.1] KSP Object: (o_slinmg_levels_4_esteig_) 6000 MPI processes type: gmres restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement happy breakdown tolerance 1e-30 maximum iterations=10, initial guess is zero tolerances: relative=1e-12, absolute=1e-50, divergence=10000. left preconditioning using PRECONDITIONED norm type for convergence test estimating eigenvalues using noisy right hand side 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: (o_slinmg_levels_4_) 6000 MPI processes type: sor type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. linear system matrix = precond matrix: Mat Object: 6000 MPI processes type: mpiaij rows=96227790, cols=96227790, bs=3 total: nonzeros=13382819928, allocated nonzeros=13382819928 total number of mallocs used during MatSetValues calls =0 using scalable MatPtAP() implementation using I-node (on process 0) routines: found 4576 nodes, limit used is 5 Up solver (post-smoother) same as down solver (pre-smoother) Down solver (pre-smoother) on level 5 ------------------------------- KSP Object: (o_slinmg_levels_5_) 6000 MPI processes type: chebyshev eigenvalue estimates used: min = 0.156556, max = 1.72212 eigenvalues estimate via gmres min 0.0335282, max 1.56556 eigenvalues estimated using gmres with translations [0. 0.1; 0. 1.1] KSP Object: (o_slinmg_levels_5_esteig_) 6000 MPI processes type: gmres restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement happy breakdown tolerance 1e-30 maximum iterations=10, initial guess is zero tolerances: relative=1e-12, absolute=1e-50, divergence=10000. left preconditioning using PRECONDITIONED norm type for convergence test estimating eigenvalues using noisy right hand side 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: (o_slinmg_levels_5_) 6000 MPI processes type: sor type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. linear system matrix = precond matrix: Mat Object: (o_slin) 6000 MPI processes type: mpiaij rows=4598425731, cols=4598425731, bs=3 total: nonzeros=371516056695, allocated nonzeros=371516056695 total number of mallocs used during MatSetValues calls =0 using I-node (on process 0) routines: found 229284 nodes, limit used is 5 Up solver (post-smoother) same as down solver (pre-smoother) linear system matrix = precond matrix: Mat Object: (o_slin) 6000 MPI processes type: mpiaij rows=4598425731, cols=4598425731, bs=3 total: nonzeros=371516056695, allocated nonzeros=371516056695 total number of mallocs used during MatSetValues calls =0 using I-node (on process 0) routines: found 229284 nodes, limit used is 5