0 SNES Function norm 17621.4 0 KSP Residual norm 6.602334536848e+00 1 KSP Residual norm 1.629553767711e-01 2 KSP Residual norm 9.722599947211e-03 3 KSP Residual norm 7.839777888694e-04 4 KSP Residual norm 4.516536402495e-05 5 KSP Residual norm 1.551480410721e-06 1 SNES Function norm 5222.44 0 KSP Residual norm 3.864965825919e+00 1 KSP Residual norm 1.038768916208e+00 2 KSP Residual norm 2.533940522317e-01 3 KSP Residual norm 1.653538770638e-02 4 KSP Residual norm 8.631538715215e-04 5 KSP Residual norm 1.065288757146e-04 6 KSP Residual norm 7.258558309150e-06 7 KSP Residual norm 3.349242326554e-07 2 SNES Function norm 1549.16 0 KSP Residual norm 3.882775661733e+00 1 KSP Residual norm 2.427808286767e-01 2 KSP Residual norm 4.613930408749e-02 3 KSP Residual norm 2.754707602635e-03 4 KSP Residual norm 3.993273630331e-04 5 KSP Residual norm 5.937195329812e-05 6 KSP Residual norm 2.096865040206e-06 3 SNES Function norm 459.505 0 KSP Residual norm 2.249583536806e+00 1 KSP Residual norm 1.800531165705e-01 2 KSP Residual norm 2.510122315296e-02 3 KSP Residual norm 1.772932243567e-03 4 KSP Residual norm 1.609940560635e-04 5 KSP Residual norm 1.477658710616e-05 6 KSP Residual norm 6.537408174152e-07 4 SNES Function norm 136.479 0 KSP Residual norm 9.548307303131e-01 1 KSP Residual norm 7.841005787762e-02 2 KSP Residual norm 1.051451448518e-02 3 KSP Residual norm 1.022681088477e-03 4 KSP Residual norm 9.681331572457e-05 5 KSP Residual norm 7.875134849433e-06 6 KSP Residual norm 3.526178148335e-07 5 SNES Function norm 40.624 0 KSP Residual norm 4.356840816356e-01 1 KSP Residual norm 2.768016354304e-02 2 KSP Residual norm 2.019234551823e-03 3 KSP Residual norm 1.079739269636e-04 4 KSP Residual norm 3.721836486707e-06 5 KSP Residual norm 2.878839455327e-07 6 SNES Function norm 12.1062 0 KSP Residual norm 2.413828207078e-01 1 KSP Residual norm 1.271470947688e-02 2 KSP Residual norm 9.046581777608e-04 3 KSP Residual norm 3.689804266215e-05 4 KSP Residual norm 2.906311127719e-06 5 KSP Residual norm 8.933152054376e-08 7 SNES Function norm 3.56967 0 KSP Residual norm 1.051513481961e-01 1 KSP Residual norm 5.511357128251e-03 2 KSP Residual norm 4.397748384999e-04 3 KSP Residual norm 1.803541897729e-05 4 KSP Residual norm 1.281155384368e-06 5 KSP Residual norm 2.698307114036e-08 8 SNES Function norm 0.948696 0 KSP Residual norm 4.448587457094e-02 1 KSP Residual norm 1.666506843624e-03 2 KSP Residual norm 1.896722722892e-04 3 KSP Residual norm 7.781898834757e-06 4 KSP Residual norm 5.034969807078e-07 5 KSP Residual norm 1.624399106790e-08 9 SNES Function norm 0.224801 0 KSP Residual norm 7.502762042127e-03 1 KSP Residual norm 1.656093896390e-04 2 KSP Residual norm 2.498021277745e-05 3 KSP Residual norm 8.800750827469e-07 4 KSP Residual norm 4.269071150712e-08 5 KSP Residual norm 2.587977253298e-09 6 KSP Residual norm 1.033048936067e-10 10 SNES Function norm 0.0400413 0 KSP Residual norm 5.771610774235e-04 1 KSP Residual norm 9.630086764651e-06 2 KSP Residual norm 7.184492044802e-07 3 KSP Residual norm 4.700789158564e-08 4 KSP Residual norm 1.719796413714e-09 5 KSP Residual norm 1.204413570031e-10 6 KSP Residual norm 5.983933181073e-12 11 SNES Function norm 0.00166356 0 KSP Residual norm 1.521708678812e-05 1 KSP Residual norm 2.816775207578e-07 2 KSP Residual norm 1.415288155243e-08 3 KSP Residual norm 1.055754682927e-09 4 KSP Residual norm 3.964183154450e-11 5 KSP Residual norm 3.034624910197e-12 6 KSP Residual norm 2.147890910700e-13 7 KSP Residual norm 6.319038359390e-15 12 SNES Function norm 2.78359e-06 Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 12 SNES Object: 4 MPI processes type: newtonls maximum iterations=20, maximum function evaluations=10000 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 total number of linear solver iterations=69 total number of function evaluations=13 norm schedule ALWAYS SNESLineSearch Object: 4 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: 4 MPI processes type: cg 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: 4 MPI processes type: bddc Use verbose output: 0 Use user-defined CSR: 0 Use local mat graph: 1 Connectivity graph topological dimension: 2 Corner selection: 0 (selected 0) Use vertices: 1 (vertex size 1) Use edges: 1 Use faces: 0 Use true near null space: 0 Use QR for single constraints on cc: 0 Use change of basis on local edge nodes: 0 Use change of basis on local face nodes: 0 User defined change of basis matrix: 0 Has change of basis matrix: 0 Eliminate dirichlet boundary dofs: 0 Switch on static condensation ops around the interface preconditioner: 0 Use exact dirichlet trick: 1 Interface extension: DIRICHLET Multilevel max levels: 0 Multilevel coarsening ratio: 8 Use estimated eigs for coarse problem: 0 Use deluxe scaling: 0 Use deluxe zerorows: 0 Use deluxe singlemat: 0 Rebuild interface graph for Schur principal minors: 0 Number of dofs' layers for the computation of principal minors: -1 Use user CSR graph to compute successive layers: 0 Adaptive constraint selection threshold (active 0, userdefined 0): 0. Min constraints / connected component: 0 Max constraints / connected component: 0 Invert exact Schur complement for adaptive selection: 0 Symmetric computation of primal basis functions: 1 Num. Procs. to map coarse adjacency list: 0 Coarse eqs per proc (significant at the coarsest level): 1 Detect disconnected: 1 (filter 0) Benign subspace trick: 0 (change explicit 0) Benign subspace trick is active: 0 Algebraic computation of no-net-flux: 0 ********************************** STATISTICS AT LEVEL 0 ********************************** Global dofs sizes: all 1485 interface 92 coarse 20 Coarsening ratios: all/coarse 74 interface/coarse 4 Active processes : 4 Total subdomains : 5 Dofs type : MIN MAX MEAN Interior dofs : 343 361 348 Interface dofs : 33 61 46 Primal dofs : 5 16 10 Local dofs : 376 422 395 Local subs : 1 2 --- Interior solver (rank 0) KSP Object: (pc_bddc_dirichlet_) 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: (pc_bddc_dirichlet_) 1 MPI process type: lu out-of-place factorization tolerance for zero pivot 2.22045e-14 matrix ordering: nd factor fill ratio given 5., needed 2.23015 Factored matrix: Mat Object: (pc_bddc_dirichlet_) 1 MPI process type: seqaij rows=345, cols=345 package used to perform factorization: petsc total: nonzeros=10533, allocated nonzeros=10533 not using I-node routines linear system matrix, which is also used to construct the preconditioner: Mat Object: (pc_bddc_dirichlet_) 1 MPI process type: seqaij rows=345, cols=345 total: nonzeros=4723, allocated nonzeros=4723 total number of mallocs used during MatSetValues calls=0 not using I-node routines --- Correction solver (rank 0) KSP Object: (pc_bddc_neumann_) 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: (pc_bddc_neumann_) 1 MPI process type: lu out-of-place factorization tolerance for zero pivot 2.22045e-14 matrix ordering: nd factor fill ratio given 5., needed 2.20116 Factored matrix: Mat Object: (pc_bddc_neumann_) 1 MPI process type: seqaij rows=382, cols=382 package used to perform factorization: petsc total: nonzeros=12146, allocated nonzeros=12146 not using I-node routines linear system matrix, which is also used to construct the preconditioner: Mat Object: (pc_bddc_neumann_) 1 MPI process type: seqaij rows=382, cols=382 total: nonzeros=5518, allocated nonzeros=5518 total number of mallocs used during MatSetValues calls=0 not using I-node routines --- Coarse solver KSP Object: (pc_bddc_coarse_) 4 MPI processes type: preonly maximum iterations=1, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning not checking for convergence PC Object: (pc_bddc_coarse_) 4 MPI processes type: redundant First (color=0) of 4 PCs follows KSP Object: (pc_bddc_coarse_redundant_) 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: (pc_bddc_coarse_redundant_) 1 MPI process type: lu out-of-place factorization tolerance for zero pivot 2.22045e-14 matrix ordering: nd factor fill ratio given 5., needed 1.00535 Factored matrix: Mat Object: (pc_bddc_coarse_redundant_) 1 MPI process type: seqaij rows=20, cols=20 package used to perform factorization: petsc total: nonzeros=376, allocated nonzeros=376 using I-node routines: found 5 nodes, limit used is 5 linear system matrix, which is also used to construct the preconditioner: Mat Object: 1 MPI process type: seqaij rows=20, cols=20 total: nonzeros=374, allocated nonzeros=374 total number of mallocs used during MatSetValues calls=0 using I-node routines: found 8 nodes, limit used is 5 linear system matrix, which is also used to construct the preconditioner: Mat Object: (pc_bddc_coarse_) 4 MPI processes type: mpiaij rows=20, cols=20 total: nonzeros=374, allocated nonzeros=374 total number of mallocs used during MatSetValues calls=0 using I-node (on process 0) routines: found 1 nodes, limit used is 5 linear system matrix, which is also used to construct the preconditioner: Mat Object: 4 MPI processes type: is rows=1485, cols=1485 total: nonzeros=23046, allocated nonzeros=24772 total number of mallocs used during MatSetValues calls=0