xref: /petsc/src/snes/tutorials/output/ex12_quad_bddc.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
1c4762a1bSJed Brown  0 SNES Function norm 14.5309
251ab8ad6SStefano Zampini    0 KSP Residual norm 17.9962
351ab8ad6SStefano Zampini    1 KSP Residual norm 0.718899
451ab8ad6SStefano Zampini    2 KSP Residual norm 0.074823
551ab8ad6SStefano Zampini    3 KSP Residual norm 0.00270797
651ab8ad6SStefano Zampini    4 KSP Residual norm 0.000198576
751ab8ad6SStefano Zampini    5 KSP Residual norm 2.29871e-05
851ab8ad6SStefano Zampini    6 KSP Residual norm 9.70025e-07
951ab8ad6SStefano Zampini    7 KSP Residual norm 3.21553e-08
1051ab8ad6SStefano Zampini    8 KSP Residual norm 2.7741e-09
1151ab8ad6SStefano Zampini  1 SNES Function norm 5.38576e-09
12c4762a1bSJed BrownSNES Object: 5 MPI processes
13c4762a1bSJed Brown  type: newtonls
14c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
15c4762a1bSJed Brown  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
16c4762a1bSJed Brown  total number of linear solver iterations=8
17c4762a1bSJed Brown  total number of function evaluations=2
18c4762a1bSJed Brown  norm schedule ALWAYS
19c4762a1bSJed Brown  SNESLineSearch Object: 5 MPI processes
20c4762a1bSJed Brown    type: bt
21c4762a1bSJed Brown      interpolation: cubic
22c4762a1bSJed Brown      alpha=1.000000e-04
23a99ef635SJonas Heinzmann    maxlambda=1.000000e+00, minlambda=1.000000e-12
24c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
25c4762a1bSJed Brown    maximum iterations=40
26c4762a1bSJed Brown  KSP Object: 5 MPI processes
27c4762a1bSJed Brown    type: gmres
28f971d498SPierre Jolivet      restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
29*143f2514SPierre Jolivet      happy breakdown tolerance=1e-30
30c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
31c4762a1bSJed Brown    tolerances: relative=1e-09, absolute=1e-50, divergence=10000.
32c4762a1bSJed Brown    left preconditioning
33c4762a1bSJed Brown    using PRECONDITIONED norm type for convergence test
34c4762a1bSJed Brown  PC Object: 5 MPI processes
35c4762a1bSJed Brown    type: bddc
36c4762a1bSJed Brown      Use verbose output: 0
37c4762a1bSJed Brown      Use user-defined CSR: 0
38c4762a1bSJed Brown      Use local mat graph: 1
39c4762a1bSJed Brown      Connectivity graph topological dimension: 2
400dfc91b7SStefano Zampini      Corner selection: 1 (selected 1)
41c4762a1bSJed Brown      Use vertices: 1 (vertex size 1)
42c4762a1bSJed Brown      Use edges: 0
43c4762a1bSJed Brown      Use faces: 0
44c4762a1bSJed Brown      Use true near null space: 0
45c4762a1bSJed Brown      Use QR for single constraints on cc: 0
46c4762a1bSJed Brown      Use change of basis on local edge nodes: 0
47c4762a1bSJed Brown      Use change of basis on local face nodes: 0
48c4762a1bSJed Brown      User defined change of basis matrix: 0
49c4762a1bSJed Brown      Has change of basis matrix: 0
50c4762a1bSJed Brown      Eliminate dirichlet boundary dofs: 0
51c4762a1bSJed Brown      Switch on static condensation ops around the interface preconditioner: 0
52c4762a1bSJed Brown      Use exact dirichlet trick: 0
53c4762a1bSJed Brown      Interface extension: DIRICHLET
54c4762a1bSJed Brown      Multilevel max levels: 0
55c4762a1bSJed Brown      Multilevel coarsening ratio: 8
56c4762a1bSJed Brown      Use estimated eigs for coarse problem: 0
57c4762a1bSJed Brown      Use deluxe scaling: 0
58c4762a1bSJed Brown      Use deluxe zerorows: 0
59c4762a1bSJed Brown      Use deluxe singlemat: 0
60c4762a1bSJed Brown      Rebuild interface graph for Schur principal minors: 0
61c4762a1bSJed Brown      Number of dofs' layers for the computation of principal minors: -1
62c4762a1bSJed Brown      Use user CSR graph to compute successive layers: 0
63c4762a1bSJed Brown      Adaptive constraint selection threshold (active 0, userdefined 0): 0.
64c4762a1bSJed Brown      Min constraints / connected component: 0
65c4762a1bSJed Brown      Max constraints / connected component: 0
66c4762a1bSJed Brown      Invert exact Schur complement for adaptive selection: 0
67c4762a1bSJed Brown      Symmetric computation of primal basis functions: 1
68c4762a1bSJed Brown      Num. Procs. to map coarse adjacency list: 0
69c4762a1bSJed Brown      Coarse eqs per proc (significant at the coarsest level): 1
70c4762a1bSJed Brown      Detect disconnected: 0 (filter 0)
71c4762a1bSJed Brown      Benign subspace trick: 0 (change explicit 0)
72c4762a1bSJed Brown      Benign subspace trick is active: 0
73c4762a1bSJed Brown      Algebraic computation of no-net-flux: 0
74c4762a1bSJed Brown    ********************************** STATISTICS AT LEVEL 0 **********************************
7551ab8ad6SStefano Zampini      Global dofs sizes: all 529 interface 67 coarse 17
7651ab8ad6SStefano Zampini      Coarsening ratios: all/coarse 31 interface/coarse 3
77c4762a1bSJed Brown      Active processes : 5
78c4762a1bSJed Brown      Total subdomains : 5
79c4762a1bSJed Brown      Dofs type        :	MIN	MAX	MEAN
80c4762a1bSJed Brown      Interior  dofs   :	49	105	92
81c4762a1bSJed Brown      Interface dofs   :	15	39	27
8251ab8ad6SStefano Zampini      Primal    dofs   :	5	10	7
83c4762a1bSJed Brown      Local     dofs   :	64	144	120
84c4762a1bSJed Brown      Local     subs   :	1	1
85c4762a1bSJed Brown    --- Interior solver (rank 0)
868cc725e6SPierre Jolivet      KSP Object: (pc_bddc_dirichlet_) 1 MPI process
87c4762a1bSJed Brown        type: preonly
88c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
89c4762a1bSJed Brown        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
90c4762a1bSJed Brown        left preconditioning
918405740aSBarry Smith        not checking for convergence
928cc725e6SPierre Jolivet      PC Object: (pc_bddc_dirichlet_) 1 MPI process
93c4762a1bSJed Brown        type: lu
94c4762a1bSJed Brown          out-of-place factorization
95c4762a1bSJed Brown          tolerance for zero pivot 2.22045e-14
96c4762a1bSJed Brown          matrix ordering: nd
9754fcfd0cSMatthew G. Knepley          factor fill ratio given 5., needed 1.57233
98ecf3d421SBarry Smith            Factored matrix:
9926cc229bSBarry Smith              Mat Object: (pc_bddc_dirichlet_) 1 MPI process
100c4762a1bSJed Brown                type: seqaij
101c4762a1bSJed Brown                rows=105, cols=105
102c4762a1bSJed Brown                package used to perform factorization: petsc
10354fcfd0cSMatthew G. Knepley                total: nonzeros=1989, allocated nonzeros=1989
104c4762a1bSJed Brown                  not using I-node routines
105ecf3d421SBarry Smith        linear system matrix, which is also used to construct the preconditioner:
1068cc725e6SPierre Jolivet        Mat Object: (pc_bddc_dirichlet_) 1 MPI process
107c4762a1bSJed Brown          type: seqaij
108c4762a1bSJed Brown          rows=105, cols=105
109c4762a1bSJed Brown          total: nonzeros=1265, allocated nonzeros=1265
110c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
111c4762a1bSJed Brown            not using I-node routines
112c4762a1bSJed Brown    --- Correction solver (rank 0)
1138cc725e6SPierre Jolivet      KSP Object: (pc_bddc_neumann_) 1 MPI process
114c4762a1bSJed Brown        type: preonly
115c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
116c4762a1bSJed Brown        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
117c4762a1bSJed Brown        left preconditioning
1188405740aSBarry Smith        not checking for convergence
1198cc725e6SPierre Jolivet      PC Object: (pc_bddc_neumann_) 1 MPI process
120c4762a1bSJed Brown        type: lu
121c4762a1bSJed Brown          out-of-place factorization
122c4762a1bSJed Brown          tolerance for zero pivot 2.22045e-14
123c4762a1bSJed Brown          matrix ordering: nd
12451ab8ad6SStefano Zampini          factor fill ratio given 5., needed 1.55203
125ecf3d421SBarry Smith            Factored matrix:
12626cc229bSBarry Smith              Mat Object: (pc_bddc_neumann_) 1 MPI process
127c4762a1bSJed Brown                type: seqaij
12851ab8ad6SStefano Zampini                rows=122, cols=122
129c4762a1bSJed Brown                package used to perform factorization: petsc
13051ab8ad6SStefano Zampini                total: nonzeros=2446, allocated nonzeros=2446
131c4762a1bSJed Brown                  not using I-node routines
132ecf3d421SBarry Smith        linear system matrix, which is also used to construct the preconditioner:
1338cc725e6SPierre Jolivet        Mat Object: (pc_bddc_neumann_) 1 MPI process
134c4762a1bSJed Brown          type: seqaij
13551ab8ad6SStefano Zampini          rows=122, cols=122
13651ab8ad6SStefano Zampini          total: nonzeros=1576, allocated nonzeros=1576
137c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
138c4762a1bSJed Brown            not using I-node routines
139c4762a1bSJed Brown    --- Coarse solver
140c4762a1bSJed Brown      KSP Object: (pc_bddc_coarse_) 5 MPI processes
141c4762a1bSJed Brown        type: preonly
142c4762a1bSJed Brown        maximum iterations=1, initial guess is zero
143c4762a1bSJed Brown        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
144c4762a1bSJed Brown        left preconditioning
1458405740aSBarry Smith        not checking for convergence
146c4762a1bSJed Brown      PC Object: (pc_bddc_coarse_) 5 MPI processes
147c4762a1bSJed Brown        type: redundant
148c4762a1bSJed Brown          First (color=0) of 5 PCs follows
1498cc725e6SPierre Jolivet          KSP Object: (pc_bddc_coarse_redundant_) 1 MPI process
150c4762a1bSJed Brown            type: preonly
151c4762a1bSJed Brown            maximum iterations=10000, initial guess is zero
152c4762a1bSJed Brown            tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
153c4762a1bSJed Brown            left preconditioning
1548405740aSBarry Smith            not checking for convergence
1558cc725e6SPierre Jolivet          PC Object: (pc_bddc_coarse_redundant_) 1 MPI process
156c4762a1bSJed Brown            type: lu
157c4762a1bSJed Brown              out-of-place factorization
158c4762a1bSJed Brown              tolerance for zero pivot 2.22045e-14
159c4762a1bSJed Brown              matrix ordering: nd
16051ab8ad6SStefano Zampini              factor fill ratio given 5., needed 1.1629
161ecf3d421SBarry Smith                Factored matrix:
16226cc229bSBarry Smith                  Mat Object: (pc_bddc_coarse_redundant_) 1 MPI process
163c4762a1bSJed Brown                    type: seqaij
16451ab8ad6SStefano Zampini                    rows=17, cols=17
165c4762a1bSJed Brown                    package used to perform factorization: petsc
16651ab8ad6SStefano Zampini                    total: nonzeros=257, allocated nonzeros=257
16751ab8ad6SStefano Zampini                      using I-node routines: found 5 nodes, limit used is 5
168ecf3d421SBarry Smith            linear system matrix, which is also used to construct the preconditioner:
16926cc229bSBarry Smith            Mat Object: 1 MPI process
170c4762a1bSJed Brown              type: seqaij
17151ab8ad6SStefano Zampini              rows=17, cols=17
17251ab8ad6SStefano Zampini              total: nonzeros=221, allocated nonzeros=221
173c4762a1bSJed Brown              total number of mallocs used during MatSetValues calls=0
17451ab8ad6SStefano Zampini                using I-node routines: found 11 nodes, limit used is 5
175ecf3d421SBarry Smith        linear system matrix, which is also used to construct the preconditioner:
1765a67bb2bSBarry Smith        Mat Object: (pc_bddc_coarse_) 5 MPI processes
1775a67bb2bSBarry Smith          type: mpiaij
1785a67bb2bSBarry Smith          rows=17, cols=17
179ac7f1a8bSStefano Zampini          total: nonzeros=221, allocated nonzeros=221
1805a67bb2bSBarry Smith          total number of mallocs used during MatSetValues calls=0
1815a67bb2bSBarry Smith            using I-node (on process 0) routines: found 1 nodes, limit used is 5
182ecf3d421SBarry Smith    linear system matrix, which is also used to construct the preconditioner:
183c4762a1bSJed Brown    Mat Object: 5 MPI processes
184c4762a1bSJed Brown      type: is
185c4762a1bSJed Brown      rows=529, cols=529
186c4762a1bSJed Brown      total: nonzeros=7832, allocated nonzeros=8924
187c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
188