1 0 SNES Function norm 0.137187 2 0 KSP Residual norm 0.102527 3 1 KSP Residual norm 0.0332683 4 2 KSP Residual norm 0.0108062 5 3 KSP Residual norm 0.00351037 6 4 KSP Residual norm 0.00114035 7 5 KSP Residual norm 0.000370442 8 6 KSP Residual norm 0.000120338 9 7 KSP Residual norm 3.90919e-05 10 8 KSP Residual norm 1.2699e-05 11 9 KSP Residual norm 4.12529e-06 12 10 KSP Residual norm 1.3401e-06 13 11 KSP Residual norm 4.35333e-07 14 12 KSP Residual norm 1.41418e-07 15 13 KSP Residual norm 4.59397e-08 16 14 KSP Residual norm 1.49235e-08 17 15 KSP Residual norm 4.84792e-09 18 16 KSP Residual norm 1.57485e-09 19 17 KSP Residual norm 5.116e-10 20 18 KSP Residual norm 1.662e-10 21 19 KSP Residual norm 5.399e-11 22 1 SNES Function norm 7.122e-11 23Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 1 24SNES Object: 1 MPI processes 25 type: newtonls 26 maximum iterations=50, maximum function evaluations=10000 27 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 28 total number of linear solver iterations=19 29 total number of function evaluations=2 30 norm schedule ALWAYS 31 Jacobian is built using a DMDA local Jacobian 32 SNESLineSearch Object: 1 MPI processes 33 type: bt 34 interpolation: cubic 35 alpha=1.000000e-04 36 maxstep=1.000000e+08, minlambda=1.000000e-12 37 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 38 maximum iterations=40 39 KSP Object: 1 MPI processes 40 type: richardson 41 damping factor=1. 42 maximum iterations=10000, initial guess is zero 43 tolerances: relative=1e-09, absolute=1e-50, divergence=10000. 44 left preconditioning 45 using PRECONDITIONED norm type for convergence test 46 PC Object: 1 MPI processes 47 type: asm 48 total subdomain blocks = 2, amount of overlap = 0 49 restriction/interpolation type - RESTRICT 50 Local solver information for first block is in the following KSP and PC objects on rank 0: 51 Use -ksp_view ::ascii_info_detail to display information for all blocks 52 KSP Object: (sub_) 1 MPI processes 53 type: preonly 54 maximum iterations=10000, initial guess is zero 55 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 56 left preconditioning 57 using NONE norm type for convergence test 58 PC Object: (sub_) 1 MPI processes 59 type: lu 60 out-of-place factorization 61 tolerance for zero pivot 2.22045e-14 62 matrix ordering: nd 63 factor fill ratio given 5., needed 1.53333 64 Factored matrix follows: 65 Mat Object: 1 MPI processes 66 type: seqaij 67 rows=16, cols=16 68 package used to perform factorization: petsc 69 total: nonzeros=92, allocated nonzeros=92 70 not using I-node routines 71 linear system matrix = precond matrix: 72 Mat Object: (sub_) 1 MPI processes 73 type: seqaij 74 rows=16, cols=16 75 total: nonzeros=60, allocated nonzeros=60 76 total number of mallocs used during MatSetValues calls=0 77 not using I-node routines 78 linear system matrix = precond matrix: 79 Mat Object: 1 MPI processes 80 type: seqaij 81 rows=32, cols=32 82 total: nonzeros=136, allocated nonzeros=136 83 total number of mallocs used during MatSetValues calls=0 84 not using I-node routines 85N: 32 error L2 1.41356e-11 inf 2.94655e-11 86