DM Object: 2 MPI processes type: da Processor [0] M 17 N 17 m 1 n 2 w 1 s 1 X range of indices: 0 17, Y range of indices: 0 9 Processor [1] M 17 N 17 m 1 n 2 w 1 s 1 X range of indices: 0 17, Y range of indices: 9 17 DM Object: 2 MPI processes type: da Processor [0] M 17 N 17 m 1 n 2 w 2 s 1 X range of indices: 0 17, Y range of indices: 0 9 Processor [1] M 17 N 17 m 1 n 2 w 2 s 1 X range of indices: 0 17, Y range of indices: 9 17 0 TS dt 0.001 time 0. DM Object: 2 MPI processes type: da Processor [0] M 9 N 9 m 1 n 2 w 1 s 1 X range of indices: 0 9, Y range of indices: 0 5 Processor [1] M 9 N 9 m 1 n 2 w 1 s 1 X range of indices: 0 9, Y range of indices: 5 9 DM Object: 2 MPI processes type: da Processor [0] M 9 N 9 m 1 n 2 w 2 s 1 X range of indices: 0 9, Y range of indices: 0 5 Processor [1] M 9 N 9 m 1 n 2 w 2 s 1 X range of indices: 0 9, Y range of indices: 5 9 DM Object: 2 MPI processes type: da Processor [0] M 5 N 5 m 1 n 2 w 1 s 1 X range of indices: 0 5, Y range of indices: 0 3 Processor [1] M 5 N 5 m 1 n 2 w 1 s 1 X range of indices: 0 5, Y range of indices: 3 5 DM Object: 2 MPI processes type: da Processor [0] M 5 N 5 m 1 n 2 w 2 s 1 X range of indices: 0 5, Y range of indices: 0 3 Processor [1] M 5 N 5 m 1 n 2 w 2 s 1 X range of indices: 0 5, Y range of indices: 3 5 1 TS dt 0.001 time 0.001 2 TS dt 0.001 time 0.002 3 TS dt 0.001 time 0.003 4 TS dt 0.001 time 0.004 5 TS dt 0.001 time 0.005 TS Object: 2 MPI processes type: bdf Order=2 initial time step=0.001 maximum steps=5 maximum time=1. maximum number of step rejections=10 maximum number of SNES failures allowed=1 using relative error tolerance of 0.0001, using absolute error tolerance of 0.0001 TSAdapt Object: 2 MPI processes type: none SNES Object: 2 MPI processes type: ngmres Number of stored past updates: 30 Residual selection: gammaA=2e+00, gammaC=2e+00 Difference restart: epsilonB=1e-01, deltaB=9e-01 Restart on F_M residual increase: FALSE maximum iterations=10000, maximum function evaluations=30000 tolerances: relative=1e-06, absolute=1e-50, solution=1e-08 norm schedule ALWAYS SNESLineSearch Object: 2 MPI processes type: basic maxlambda=1.000000e+00, minlambda=1.000000e-12 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 maximum iterations=1 SNES Object: (npc_) 2 MPI processes type: fas type is MULTIPLICATIVE, levels=3, cycles=1 Not using Galerkin computed coarse grid function evaluation Coarse grid solver -- level 0 ------------------------------- SNES Object: (npc_fas_coarse_) 2 MPI processes type: newtonls maximum iterations=50, maximum function evaluations=10000 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 norm schedule ALWAYS SNESLineSearch Object: (npc_fas_coarse_) 2 MPI processes type: bt interpolation: cubic alpha=1.000000e-04 maxlambda=1.000000e+00, minlambda=1.000000e-12 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 maximum iterations=40 KSP Object: (npc_fas_coarse_) 2 MPI processes type: gmres restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement happy breakdown tolerance=1e-30 maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning using PRECONDITIONED norm type for convergence test PC Object: (npc_fas_coarse_) 2 MPI processes type: bjacobi number of blocks = 2 Local solver information for first block is in the following KSP and PC objects on rank 0: Use -npc_fas_coarse_ksp_view ::ascii_info_detail to display information for all blocks KSP Object: (npc_fas_coarse_sub_) 1 MPI process type: preonly maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning not checking for convergence PC Object: (npc_fas_coarse_sub_) 1 MPI process type: ilu out-of-place factorization 0 levels of fill tolerance for zero pivot 2.22045e-14 matrix ordering: natural factor fill ratio given 1., needed 1. Factored matrix: Mat Object: (npc_fas_coarse_sub_) 1 MPI process type: seqaij rows=15, cols=15 package used to perform factorization: petsc total: nonzeros=59, allocated nonzeros=59 not using I-node routines linear system matrix, which is also used to construct the preconditioner: Mat Object: (npc_fas_coarse_sub_) 1 MPI process type: seqaij rows=15, cols=15 total: nonzeros=59, allocated nonzeros=59 not using I-node routines linear system matrix, which is also used to construct the preconditioner: Mat Object: 2 MPI processes type: mpiaij rows=25, cols=25 total: nonzeros=105, allocated nonzeros=105 Down solver (pre-smoother) on level 1 ------------------------------- SNES Object: (npc_fas_levels_1_) 2 MPI processes type: ms multi-stage method type: m62 maximum iterations=5, maximum function evaluations=10000 tolerances: relative=0., absolute=0., solution=0. norm schedule FINALONLY KSP Object: (npc_fas_levels_1_) 2 MPI processes type: preonly maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning not checking for convergence PC Object: (npc_fas_levels_1_) 2 MPI processes type: bjacobi number of blocks = 2 Local solver information for first block is in the following KSP and PC objects on rank 0: Use -npc_fas_levels_1_ksp_view ::ascii_info_detail to display information for all blocks KSP Object: (npc_fas_levels_1_sub_) 1 MPI process type: preonly maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning not checking for convergence PC Object: (npc_fas_levels_1_sub_) 1 MPI process type: ilu out-of-place factorization 0 levels of fill tolerance for zero pivot 2.22045e-14 matrix ordering: natural factor fill ratio given 1., needed 1. Factored matrix: Mat Object: (npc_fas_levels_1_sub_) 1 MPI process type: seqaij rows=45, cols=45 package used to perform factorization: petsc total: nonzeros=197, allocated nonzeros=197 not using I-node routines linear system matrix, which is also used to construct the preconditioner: Mat Object: (npc_fas_levels_1_sub_) 1 MPI process type: seqaij rows=45, cols=45 total: nonzeros=197, allocated nonzeros=197 not using I-node routines linear system matrix, which is also used to construct the preconditioner: Mat Object: 2 MPI processes type: mpiaij rows=81, cols=81 total: nonzeros=369, allocated nonzeros=369 Up solver (post-smoother) same as down solver (pre-smoother) Down solver (pre-smoother) on level 2 ------------------------------- SNES Object: (npc_fas_levels_2_) 2 MPI processes type: ms multi-stage method type: m62 maximum iterations=5, maximum function evaluations=10000 tolerances: relative=0., absolute=0., solution=0. norm schedule FINALONLY KSP Object: (npc_fas_levels_2_) 2 MPI processes type: preonly maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning not checking for convergence PC Object: (npc_fas_levels_2_) 2 MPI processes type: bjacobi number of blocks = 2 Local solver information for first block is in the following KSP and PC objects on rank 0: Use -npc_fas_levels_2_ksp_view ::ascii_info_detail to display information for all blocks KSP Object: (npc_fas_levels_2_sub_) 1 MPI process type: preonly maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning not checking for convergence PC Object: (npc_fas_levels_2_sub_) 1 MPI process type: ilu out-of-place factorization 0 levels of fill tolerance for zero pivot 2.22045e-14 matrix ordering: natural factor fill ratio given 1., needed 1. Factored matrix: Mat Object: (npc_fas_levels_2_sub_) 1 MPI process type: seqaij rows=153, cols=153 package used to perform factorization: petsc total: nonzeros=713, allocated nonzeros=713 not using I-node routines linear system matrix, which is also used to construct the preconditioner: Mat Object: (npc_fas_levels_2_sub_) 1 MPI process type: seqaij rows=153, cols=153 total: nonzeros=713, allocated nonzeros=713 not using I-node routines linear system matrix, which is also used to construct the preconditioner: Mat Object: 2 MPI processes type: mpiaij rows=289, cols=289 total: nonzeros=1377, allocated nonzeros=1377 Up solver (post-smoother) same as down solver (pre-smoother) maximum iterations=1, maximum function evaluations=30000 tolerances: relative=0., absolute=0., solution=0. norm schedule FINALONLY