0 SNES Function norm 8.32828 0 KSP unpreconditioned resid norm 8.328278903362e+00 true resid norm 8.328278903362e+00 ||r(i)||/||b|| 1.000000000000e+00 1 KSP unpreconditioned resid norm 1.577431790565e-04 true resid norm 1.577431790565e-04 ||r(i)||/||b|| 1.894066960135e-05 2 KSP unpreconditioned resid norm 1.103738275186e-08 true resid norm 1.103738275186e-08 ||r(i)||/||b|| 1.325289760337e-09 3 KSP unpreconditioned resid norm 7.232926360782e-13 true resid norm 7.232926360782e-13 ||r(i)||/||b|| 8.684779225948e-14 1 SNES Function norm < 1.e-11 L_2 Error: 0.00131794 Nonlinear solve converged due to CONVERGED_FNORM_ABS iterations 1 SNES Object: 1 MPI process type: newtonls maximum iterations=50, maximum function evaluations=10000 tolerances: relative=0., absolute=1e-08, solution=1e-08 total number of linear solver iterations=3 total number of function evaluations=2 norm schedule ALWAYS SNESLineSearch Object: 1 MPI process 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: 1 MPI process type: richardson damping factor=1. maximum iterations=10000, initial guess is zero tolerances: relative=0., absolute=1e-08, divergence=10000. left preconditioning using UNPRECONDITIONED norm type for convergence test PC Object: 1 MPI process type: mg type is MULTIPLICATIVE, levels=4 cycles=v Cycles per PCApply=1 Not using Galerkin computed coarse grid matrices Coarse grid solver -- level 0 ------------------------------- KSP Object: (mg_coarse_) 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: (mg_coarse_) 1 MPI process 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: Mat Object: (mg_coarse_) 1 MPI process type: seqaij rows=4, cols=4 package used to perform factorization: petsc total: nonzeros=14, allocated nonzeros=14 using I-node routines: found 3 nodes, limit used is 5 linear system matrix, which is also used to construct the preconditioner: Mat Object: 1 MPI process type: seqaij rows=4, cols=4 total: nonzeros=14, allocated nonzeros=14 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 process type: gmres restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement happy breakdown tolerance=1e-30 maximum iterations=10, nonzero initial guess tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning not checking for convergence PC Object: (mg_levels_1_) 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: (mg_levels_1_) 1 MPI process type: seqaij rows=15, cols=15 package used to perform factorization: petsc total: nonzeros=73, allocated nonzeros=73 not using I-node routines linear system matrix, which is also used to construct the preconditioner: Mat Object: 1 MPI process type: seqaij rows=15, cols=15 total: nonzeros=73, allocated nonzeros=73 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 process type: gmres restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement happy breakdown tolerance=1e-30 maximum iterations=10, nonzero initial guess tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning not checking for convergence PC Object: (mg_levels_2_) 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: (mg_levels_2_) 1 MPI process type: seqaij rows=59, cols=59 package used to perform factorization: petsc total: nonzeros=347, allocated nonzeros=347 not using I-node routines linear system matrix, which is also used to construct the preconditioner: Mat Object: 1 MPI process type: seqaij rows=59, cols=59 total: nonzeros=347, allocated nonzeros=347 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 process type: gmres restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement happy breakdown tolerance=1e-30 maximum iterations=10, nonzero initial guess tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning not checking for convergence PC Object: (mg_levels_3_) 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: (mg_levels_3_) 1 MPI process type: seqaij rows=225, cols=225 package used to perform factorization: petsc total: nonzeros=1457, allocated nonzeros=1457 not using I-node routines linear system matrix, which is also used to construct the preconditioner: Mat Object: 1 MPI process type: seqaij rows=225, cols=225 total: nonzeros=1457, allocated nonzeros=1457 total number of mallocs used during MatSetValues calls=0 not using I-node routines Up solver (post-smoother) same as down solver (pre-smoother) linear system matrix, which is also used to construct the preconditioner: Mat Object: 1 MPI process type: seqaij rows=225, cols=225 total: nonzeros=1457, allocated nonzeros=1457 total number of mallocs used during MatSetValues calls=0 not using I-node routines