1 0 SNES Function norm 17621.4 2 0 KSP Residual norm 6.602334536848e+00 3 1 KSP Residual norm 1.629553767711e-01 4 2 KSP Residual norm 9.722599947211e-03 5 3 KSP Residual norm 7.839777888694e-04 6 4 KSP Residual norm 4.516536402495e-05 7 5 KSP Residual norm 1.551480410721e-06 8 1 SNES Function norm 5222.44 9 0 KSP Residual norm 3.864965825919e+00 10 1 KSP Residual norm 1.038768916208e+00 11 2 KSP Residual norm 2.533940522317e-01 12 3 KSP Residual norm 1.653538770638e-02 13 4 KSP Residual norm 8.631538715215e-04 14 5 KSP Residual norm 1.065288757146e-04 15 6 KSP Residual norm 7.258558309150e-06 16 7 KSP Residual norm 3.349242326554e-07 17 2 SNES Function norm 1549.16 18 0 KSP Residual norm 3.882775661733e+00 19 1 KSP Residual norm 2.427808286767e-01 20 2 KSP Residual norm 4.613930408749e-02 21 3 KSP Residual norm 2.754707602635e-03 22 4 KSP Residual norm 3.993273630331e-04 23 5 KSP Residual norm 5.937195329812e-05 24 6 KSP Residual norm 2.096865040206e-06 25 3 SNES Function norm 459.505 26 0 KSP Residual norm 2.249583536806e+00 27 1 KSP Residual norm 1.800531165705e-01 28 2 KSP Residual norm 2.510122315296e-02 29 3 KSP Residual norm 1.772932243567e-03 30 4 KSP Residual norm 1.609940560635e-04 31 5 KSP Residual norm 1.477658710616e-05 32 6 KSP Residual norm 6.537408174152e-07 33 4 SNES Function norm 136.479 34 0 KSP Residual norm 9.548307303131e-01 35 1 KSP Residual norm 7.841005787762e-02 36 2 KSP Residual norm 1.051451448518e-02 37 3 KSP Residual norm 1.022681088477e-03 38 4 KSP Residual norm 9.681331572457e-05 39 5 KSP Residual norm 7.875134849433e-06 40 6 KSP Residual norm 3.526178148335e-07 41 5 SNES Function norm 40.624 42 0 KSP Residual norm 4.356840816356e-01 43 1 KSP Residual norm 2.768016354304e-02 44 2 KSP Residual norm 2.019234551823e-03 45 3 KSP Residual norm 1.079739269636e-04 46 4 KSP Residual norm 3.721836486707e-06 47 5 KSP Residual norm 2.878839455327e-07 48 6 SNES Function norm 12.1062 49 0 KSP Residual norm 2.413828207078e-01 50 1 KSP Residual norm 1.271470947688e-02 51 2 KSP Residual norm 9.046581777608e-04 52 3 KSP Residual norm 3.689804266215e-05 53 4 KSP Residual norm 2.906311127719e-06 54 5 KSP Residual norm 8.933152054376e-08 55 7 SNES Function norm 3.56967 56 0 KSP Residual norm 1.051513481961e-01 57 1 KSP Residual norm 5.511357128251e-03 58 2 KSP Residual norm 4.397748384999e-04 59 3 KSP Residual norm 1.803541897729e-05 60 4 KSP Residual norm 1.281155384368e-06 61 5 KSP Residual norm 2.698307114036e-08 62 8 SNES Function norm 0.948696 63 0 KSP Residual norm 4.448587457094e-02 64 1 KSP Residual norm 1.666506843624e-03 65 2 KSP Residual norm 1.896722722892e-04 66 3 KSP Residual norm 7.781898834757e-06 67 4 KSP Residual norm 5.034969807078e-07 68 5 KSP Residual norm 1.624399106790e-08 69 9 SNES Function norm 0.224801 70 0 KSP Residual norm 7.502762042127e-03 71 1 KSP Residual norm 1.656093896390e-04 72 2 KSP Residual norm 2.498021277745e-05 73 3 KSP Residual norm 8.800750827469e-07 74 4 KSP Residual norm 4.269071150712e-08 75 5 KSP Residual norm 2.587977253298e-09 76 6 KSP Residual norm 1.033048936067e-10 77 10 SNES Function norm 0.0400413 78 0 KSP Residual norm 5.771610774235e-04 79 1 KSP Residual norm 9.630086764651e-06 80 2 KSP Residual norm 7.184492044802e-07 81 3 KSP Residual norm 4.700789158564e-08 82 4 KSP Residual norm 1.719796413714e-09 83 5 KSP Residual norm 1.204413570031e-10 84 6 KSP Residual norm 5.983933181073e-12 85 11 SNES Function norm 0.00166356 86 0 KSP Residual norm 1.521708678812e-05 87 1 KSP Residual norm 2.816775207578e-07 88 2 KSP Residual norm 1.415288155243e-08 89 3 KSP Residual norm 1.055754682927e-09 90 4 KSP Residual norm 3.964183154450e-11 91 5 KSP Residual norm 3.034624910197e-12 92 6 KSP Residual norm 2.147890910700e-13 93 7 KSP Residual norm 6.319038359390e-15 94 12 SNES Function norm 2.78359e-06 95 Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 12 96SNES Object: 4 MPI processes 97 type: newtonls 98 maximum iterations=20, maximum function evaluations=10000 99 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 100 total number of linear solver iterations=69 101 total number of function evaluations=13 102 norm schedule ALWAYS 103 SNESLineSearch Object: 4 MPI processes 104 type: bt 105 interpolation: cubic 106 alpha=1.000000e-04 107 maxlambda=1.000000e+00, minlambda=1.000000e-12 108 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 109 maximum iterations=40 110 KSP Object: 4 MPI processes 111 type: cg 112 maximum iterations=10000, initial guess is zero 113 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 114 left preconditioning 115 using PRECONDITIONED norm type for convergence test 116 PC Object: 4 MPI processes 117 type: bddc 118 Use verbose output: 0 119 Use user-defined CSR: 0 120 Use local mat graph: 1 121 Connectivity graph topological dimension: 2 122 Corner selection: 0 (selected 0) 123 Use vertices: 1 (vertex size 1) 124 Use edges: 1 125 Use faces: 0 126 Use true near null space: 0 127 Use QR for single constraints on cc: 0 128 Use change of basis on local edge nodes: 0 129 Use change of basis on local face nodes: 0 130 User defined change of basis matrix: 0 131 Has change of basis matrix: 0 132 Eliminate dirichlet boundary dofs: 0 133 Switch on static condensation ops around the interface preconditioner: 0 134 Use exact dirichlet trick: 1 135 Interface extension: DIRICHLET 136 Multilevel max levels: 0 137 Multilevel coarsening ratio: 8 138 Use estimated eigs for coarse problem: 0 139 Use deluxe scaling: 0 140 Use deluxe zerorows: 0 141 Use deluxe singlemat: 0 142 Rebuild interface graph for Schur principal minors: 0 143 Number of dofs' layers for the computation of principal minors: -1 144 Use user CSR graph to compute successive layers: 0 145 Adaptive constraint selection threshold (active 0, userdefined 0): 0. 146 Min constraints / connected component: 0 147 Max constraints / connected component: 0 148 Invert exact Schur complement for adaptive selection: 0 149 Symmetric computation of primal basis functions: 1 150 Num. Procs. to map coarse adjacency list: 0 151 Coarse eqs per proc (significant at the coarsest level): 1 152 Detect disconnected: 1 (filter 0) 153 Benign subspace trick: 0 (change explicit 0) 154 Benign subspace trick is active: 0 155 Algebraic computation of no-net-flux: 0 156 ********************************** STATISTICS AT LEVEL 0 ********************************** 157 Global dofs sizes: all 1485 interface 92 coarse 20 158 Coarsening ratios: all/coarse 74 interface/coarse 4 159 Active processes : 4 160 Total subdomains : 5 161 Dofs type : MIN MAX MEAN 162 Interior dofs : 343 361 348 163 Interface dofs : 33 61 46 164 Primal dofs : 5 16 10 165 Local dofs : 376 422 395 166 Local subs : 1 2 167 --- Interior solver (rank 0) 168 KSP Object: (pc_bddc_dirichlet_) 1 MPI process 169 type: preonly 170 maximum iterations=10000, initial guess is zero 171 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 172 left preconditioning 173 not checking for convergence 174 PC Object: (pc_bddc_dirichlet_) 1 MPI process 175 type: lu 176 out-of-place factorization 177 tolerance for zero pivot 2.22045e-14 178 matrix ordering: nd 179 factor fill ratio given 5., needed 2.23015 180 Factored matrix: 181 Mat Object: (pc_bddc_dirichlet_) 1 MPI process 182 type: seqaij 183 rows=345, cols=345 184 package used to perform factorization: petsc 185 total: nonzeros=10533, allocated nonzeros=10533 186 not using I-node routines 187 linear system matrix, which is also used to construct the preconditioner: 188 Mat Object: (pc_bddc_dirichlet_) 1 MPI process 189 type: seqaij 190 rows=345, cols=345 191 total: nonzeros=4723, allocated nonzeros=4723 192 total number of mallocs used during MatSetValues calls=0 193 not using I-node routines 194 --- Correction solver (rank 0) 195 KSP Object: (pc_bddc_neumann_) 1 MPI process 196 type: preonly 197 maximum iterations=10000, initial guess is zero 198 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 199 left preconditioning 200 not checking for convergence 201 PC Object: (pc_bddc_neumann_) 1 MPI process 202 type: lu 203 out-of-place factorization 204 tolerance for zero pivot 2.22045e-14 205 matrix ordering: nd 206 factor fill ratio given 5., needed 2.20116 207 Factored matrix: 208 Mat Object: (pc_bddc_neumann_) 1 MPI process 209 type: seqaij 210 rows=382, cols=382 211 package used to perform factorization: petsc 212 total: nonzeros=12146, allocated nonzeros=12146 213 not using I-node routines 214 linear system matrix, which is also used to construct the preconditioner: 215 Mat Object: (pc_bddc_neumann_) 1 MPI process 216 type: seqaij 217 rows=382, cols=382 218 total: nonzeros=5518, allocated nonzeros=5518 219 total number of mallocs used during MatSetValues calls=0 220 not using I-node routines 221 --- Coarse solver 222 KSP Object: (pc_bddc_coarse_) 4 MPI processes 223 type: preonly 224 maximum iterations=1, initial guess is zero 225 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 226 left preconditioning 227 not checking for convergence 228 PC Object: (pc_bddc_coarse_) 4 MPI processes 229 type: redundant 230 First (color=0) of 4 PCs follows 231 KSP Object: (pc_bddc_coarse_redundant_) 1 MPI process 232 type: preonly 233 maximum iterations=10000, initial guess is zero 234 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 235 left preconditioning 236 not checking for convergence 237 PC Object: (pc_bddc_coarse_redundant_) 1 MPI process 238 type: lu 239 out-of-place factorization 240 tolerance for zero pivot 2.22045e-14 241 matrix ordering: nd 242 factor fill ratio given 5., needed 1.00535 243 Factored matrix: 244 Mat Object: (pc_bddc_coarse_redundant_) 1 MPI process 245 type: seqaij 246 rows=20, cols=20 247 package used to perform factorization: petsc 248 total: nonzeros=376, allocated nonzeros=376 249 using I-node routines: found 5 nodes, limit used is 5 250 linear system matrix, which is also used to construct the preconditioner: 251 Mat Object: 1 MPI process 252 type: seqaij 253 rows=20, cols=20 254 total: nonzeros=374, allocated nonzeros=374 255 total number of mallocs used during MatSetValues calls=0 256 using I-node routines: found 8 nodes, limit used is 5 257 linear system matrix, which is also used to construct the preconditioner: 258 Mat Object: (pc_bddc_coarse_) 4 MPI processes 259 type: mpiaij 260 rows=20, cols=20 261 total: nonzeros=374, allocated nonzeros=374 262 total number of mallocs used during MatSetValues calls=0 263 using I-node (on process 0) routines: found 1 nodes, limit used is 5 264 linear system matrix, which is also used to construct the preconditioner: 265 Mat Object: 4 MPI processes 266 type: is 267 rows=1485, cols=1485 268 total: nonzeros=23046, allocated nonzeros=24772 269 total number of mallocs used during MatSetValues calls=0 270