xref: /petsc/src/snes/tutorials/output/ex12_tri_bddc.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
1c4762a1bSJed Brown  0 SNES Function norm 5.83179
2c4762a1bSJed Brown    0 KSP Residual norm 5.11122
3c4762a1bSJed Brown    1 KSP Residual norm 0.0792098
4c4762a1bSJed Brown    2 KSP Residual norm 0.0036192
5c4762a1bSJed Brown    3 KSP Residual norm 0.000168263
6c4762a1bSJed Brown    4 KSP Residual norm 1.59554e-06
7c4762a1bSJed Brown    5 KSP Residual norm 2.40291e-08
8c4762a1bSJed Brown    6 KSP Residual norm 1.023e-10
9c4762a1bSJed Brown    Linear solve converged due to CONVERGED_RTOL iterations 6
10c4762a1bSJed Brown  1 SNES Function norm 4.026e-10
11ac7f1a8bSStefano Zampini  L_2 Error: 0.00524438
12c4762a1bSJed Brown  Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 1
13c4762a1bSJed BrownSNES Object: 5 MPI processes
14c4762a1bSJed Brown  type: newtonls
15c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
16c4762a1bSJed Brown  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
17c4762a1bSJed Brown  total number of linear solver iterations=6
18c4762a1bSJed Brown  total number of function evaluations=2
19c4762a1bSJed Brown  norm schedule ALWAYS
20c4762a1bSJed Brown  SNESLineSearch Object: 5 MPI processes
21c4762a1bSJed Brown    type: bt
22c4762a1bSJed Brown      interpolation: cubic
23c4762a1bSJed Brown      alpha=1.000000e-04
24a99ef635SJonas Heinzmann    maxlambda=1.000000e+00, minlambda=1.000000e-12
25c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
26c4762a1bSJed Brown    maximum iterations=40
27c4762a1bSJed Brown  KSP Object: 5 MPI processes
28c4762a1bSJed Brown    type: gmres
29f971d498SPierre Jolivet      restart=100, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
30*143f2514SPierre Jolivet      happy breakdown tolerance=1e-30
31c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
32c4762a1bSJed Brown    tolerances: relative=1e-09, absolute=1e-50, divergence=10000.
33c4762a1bSJed Brown    left preconditioning
34c4762a1bSJed Brown    using PRECONDITIONED norm type for convergence test
35c4762a1bSJed Brown  PC Object: 5 MPI processes
36c4762a1bSJed Brown    type: bddc
37c4762a1bSJed Brown      Use verbose output: 0
38c4762a1bSJed Brown      Use user-defined CSR: 0
39c4762a1bSJed Brown      Use local mat graph: 1
40c4762a1bSJed Brown      Connectivity graph topological dimension: 2
410dfc91b7SStefano Zampini      Corner selection: 0 (selected 0)
42c4762a1bSJed Brown      Use vertices: 1 (vertex size 1)
43c4762a1bSJed Brown      Use edges: 1
44c4762a1bSJed Brown      Use faces: 0
45c4762a1bSJed Brown      Use true near null space: 0
46c4762a1bSJed Brown      Use QR for single constraints on cc: 0
47c4762a1bSJed Brown      Use change of basis on local edge nodes: 0
48c4762a1bSJed Brown      Use change of basis on local face nodes: 0
49c4762a1bSJed Brown      User defined change of basis matrix: 0
50c4762a1bSJed Brown      Has change of basis matrix: 0
51c4762a1bSJed Brown      Eliminate dirichlet boundary dofs: 0
52c4762a1bSJed Brown      Switch on static condensation ops around the interface preconditioner: 0
53c4762a1bSJed Brown      Use exact dirichlet trick: 0
54c4762a1bSJed Brown      Interface extension: DIRICHLET
55c4762a1bSJed Brown      Multilevel max levels: 0
56c4762a1bSJed Brown      Multilevel coarsening ratio: 8
57c4762a1bSJed Brown      Use estimated eigs for coarse problem: 0
58c4762a1bSJed Brown      Use deluxe scaling: 0
59c4762a1bSJed Brown      Use deluxe zerorows: 0
60c4762a1bSJed Brown      Use deluxe singlemat: 0
61c4762a1bSJed Brown      Rebuild interface graph for Schur principal minors: 0
62c4762a1bSJed Brown      Number of dofs' layers for the computation of principal minors: -1
63c4762a1bSJed Brown      Use user CSR graph to compute successive layers: 0
64c4762a1bSJed Brown      Adaptive constraint selection threshold (active 0, userdefined 0): 0.
65c4762a1bSJed Brown      Min constraints / connected component: 0
66c4762a1bSJed Brown      Max constraints / connected component: 0
67c4762a1bSJed Brown      Invert exact Schur complement for adaptive selection: 0
68c4762a1bSJed Brown      Symmetric computation of primal basis functions: 1
69c4762a1bSJed Brown      Num. Procs. to map coarse adjacency list: 0
70c4762a1bSJed Brown      Coarse eqs per proc (significant at the coarsest level): 1
71c4762a1bSJed Brown      Detect disconnected: 0 (filter 0)
72c4762a1bSJed Brown      Benign subspace trick: 0 (change explicit 0)
73c4762a1bSJed Brown      Benign subspace trick is active: 0
74c4762a1bSJed Brown      Algebraic computation of no-net-flux: 0
75c4762a1bSJed Brown    ********************************** STATISTICS AT LEVEL 0 **********************************
76c4762a1bSJed Brown      Global dofs sizes: all 49 interface 25 coarse 9
77c4762a1bSJed Brown      Coarsening ratios: all/coarse 5 interface/coarse 2
78c4762a1bSJed Brown      Active processes : 5
79c4762a1bSJed Brown      Total subdomains : 5
80c4762a1bSJed Brown      Dofs type        :	MIN	MAX	MEAN
81c4762a1bSJed Brown      Interior  dofs   :	3	6	4
82c4762a1bSJed Brown      Interface dofs   :	7	16	10
83c4762a1bSJed Brown      Primal    dofs   :	3	6	4
84c4762a1bSJed Brown      Local     dofs   :	10	22	15
85c4762a1bSJed Brown      Local     subs   :	1	1
86c4762a1bSJed Brown    --- Interior solver (rank 0)
878cc725e6SPierre Jolivet      KSP Object: (pc_bddc_dirichlet_) 1 MPI process
88c4762a1bSJed Brown        type: preonly
89c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
90c4762a1bSJed Brown        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
91c4762a1bSJed Brown        left preconditioning
928405740aSBarry Smith        not checking for convergence
938cc725e6SPierre Jolivet      PC Object: (pc_bddc_dirichlet_) 1 MPI process
94c4762a1bSJed Brown        type: lu
95c4762a1bSJed Brown          out-of-place factorization
96c4762a1bSJed Brown          tolerance for zero pivot 2.22045e-14
97c4762a1bSJed Brown          matrix ordering: nd
98c4762a1bSJed Brown          factor fill ratio given 5., needed 1.
99ecf3d421SBarry Smith            Factored matrix:
10026cc229bSBarry Smith              Mat Object: (pc_bddc_dirichlet_) 1 MPI process
101c4762a1bSJed Brown                type: seqaij
102c4762a1bSJed Brown                rows=6, cols=6
103c4762a1bSJed Brown                package used to perform factorization: petsc
104c4762a1bSJed Brown                total: nonzeros=18, allocated nonzeros=18
105c4762a1bSJed Brown                  using I-node routines: found 2 nodes, limit used is 5
106ecf3d421SBarry Smith        linear system matrix, which is also used to construct the preconditioner:
1078cc725e6SPierre Jolivet        Mat Object: (pc_bddc_dirichlet_) 1 MPI process
108c4762a1bSJed Brown          type: seqaij
109c4762a1bSJed Brown          rows=6, cols=6
110c4762a1bSJed Brown          total: nonzeros=18, allocated nonzeros=18
111c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
112c4762a1bSJed Brown            using I-node routines: found 2 nodes, limit used is 5
113c4762a1bSJed Brown    --- Correction solver (rank 0)
1148cc725e6SPierre Jolivet      KSP Object: (pc_bddc_neumann_) 1 MPI process
115c4762a1bSJed Brown        type: preonly
116c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
117c4762a1bSJed Brown        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
118c4762a1bSJed Brown        left preconditioning
1198405740aSBarry Smith        not checking for convergence
1208cc725e6SPierre Jolivet      PC Object: (pc_bddc_neumann_) 1 MPI process
121c4762a1bSJed Brown        type: lu
122c4762a1bSJed Brown          out-of-place factorization
123c4762a1bSJed Brown          tolerance for zero pivot 2.22045e-14
124c4762a1bSJed Brown          matrix ordering: nd
12554fcfd0cSMatthew G. Knepley          factor fill ratio given 5., needed 1.09231
126ecf3d421SBarry Smith            Factored matrix:
12726cc229bSBarry Smith              Mat Object: (pc_bddc_neumann_) 1 MPI process
128c4762a1bSJed Brown                type: seqaij
129c4762a1bSJed Brown                rows=15, cols=15
130c4762a1bSJed Brown                package used to perform factorization: petsc
13154fcfd0cSMatthew G. Knepley                total: nonzeros=71, allocated nonzeros=71
132c4762a1bSJed Brown                  not using I-node routines
133ecf3d421SBarry Smith        linear system matrix, which is also used to construct the preconditioner:
1348cc725e6SPierre Jolivet        Mat Object: (pc_bddc_neumann_) 1 MPI process
135c4762a1bSJed Brown          type: seqaij
136c4762a1bSJed Brown          rows=15, cols=15
137c4762a1bSJed Brown          total: nonzeros=65, allocated nonzeros=65
138c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
139c4762a1bSJed Brown            not using I-node routines
140c4762a1bSJed Brown    --- Coarse solver
141c4762a1bSJed Brown      KSP Object: (pc_bddc_coarse_) 5 MPI processes
142c4762a1bSJed Brown        type: preonly
143c4762a1bSJed Brown        maximum iterations=1, initial guess is zero
144c4762a1bSJed Brown        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
145c4762a1bSJed Brown        left preconditioning
1468405740aSBarry Smith        not checking for convergence
147c4762a1bSJed Brown      PC Object: (pc_bddc_coarse_) 5 MPI processes
148c4762a1bSJed Brown        type: redundant
149c4762a1bSJed Brown          First (color=0) of 5 PCs follows
1508cc725e6SPierre Jolivet          KSP Object: (pc_bddc_coarse_redundant_) 1 MPI process
151c4762a1bSJed Brown            type: preonly
152c4762a1bSJed Brown            maximum iterations=10000, initial guess is zero
153c4762a1bSJed Brown            tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
154c4762a1bSJed Brown            left preconditioning
1558405740aSBarry Smith            not checking for convergence
1568cc725e6SPierre Jolivet          PC Object: (pc_bddc_coarse_redundant_) 1 MPI process
157c4762a1bSJed Brown            type: lu
158c4762a1bSJed Brown              out-of-place factorization
159c4762a1bSJed Brown              tolerance for zero pivot 2.22045e-14
160c4762a1bSJed Brown              matrix ordering: nd
161c4762a1bSJed Brown              factor fill ratio given 5., needed 1.13115
162ecf3d421SBarry Smith                Factored matrix:
16326cc229bSBarry Smith                  Mat Object: (pc_bddc_coarse_redundant_) 1 MPI process
164c4762a1bSJed Brown                    type: seqaij
165c4762a1bSJed Brown                    rows=9, cols=9
166c4762a1bSJed Brown                    package used to perform factorization: petsc
167c4762a1bSJed Brown                    total: nonzeros=69, allocated nonzeros=69
168c4762a1bSJed Brown                      using I-node routines: found 5 nodes, limit used is 5
169ecf3d421SBarry Smith            linear system matrix, which is also used to construct the preconditioner:
17026cc229bSBarry Smith            Mat Object: 1 MPI process
171c4762a1bSJed Brown              type: seqaij
172c4762a1bSJed Brown              rows=9, cols=9
173c4762a1bSJed Brown              total: nonzeros=61, allocated nonzeros=61
174c4762a1bSJed Brown              total number of mallocs used during MatSetValues calls=0
175c4762a1bSJed Brown                using I-node routines: found 7 nodes, limit used is 5
176ecf3d421SBarry Smith        linear system matrix, which is also used to construct the preconditioner:
1775a67bb2bSBarry Smith        Mat Object: (pc_bddc_coarse_) 5 MPI processes
1785a67bb2bSBarry Smith          type: mpiaij
1795a67bb2bSBarry Smith          rows=9, cols=9
180ac7f1a8bSStefano Zampini          total: nonzeros=61, allocated nonzeros=61
1815a67bb2bSBarry Smith          total number of mallocs used during MatSetValues calls=0
1825a67bb2bSBarry Smith            using I-node (on process 0) routines: found 1 nodes, limit used is 5
183ecf3d421SBarry Smith    linear system matrix, which is also used to construct the preconditioner:
184c4762a1bSJed Brown    Mat Object: 5 MPI processes
185c4762a1bSJed Brown      type: is
186c4762a1bSJed Brown      rows=49, cols=49
187c4762a1bSJed Brown      total: nonzeros=361, allocated nonzeros=463
188c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
189