xref: /petsc/src/snes/tutorials/output/ex12_quad_bddc.out (revision c4762a1b19cd2af06abeed90e8f9d34fb975dd94)
1*c4762a1bSJed Brown  0 SNES Function norm 14.5309
2*c4762a1bSJed Brown    0 KSP Residual norm 18.0889
3*c4762a1bSJed Brown    1 KSP Residual norm 0.985108
4*c4762a1bSJed Brown    2 KSP Residual norm 0.119912
5*c4762a1bSJed Brown    3 KSP Residual norm 0.00306439
6*c4762a1bSJed Brown    4 KSP Residual norm 0.000310043
7*c4762a1bSJed Brown    5 KSP Residual norm 9.96095e-06
8*c4762a1bSJed Brown    6 KSP Residual norm 5.3834e-07
9*c4762a1bSJed Brown    7 KSP Residual norm 7.3847e-08
10*c4762a1bSJed Brown    8 KSP Residual norm 2.7968e-09
11*c4762a1bSJed Brown  1 SNES Function norm 5.15304e-09
12*c4762a1bSJed BrownSNES Object: 5 MPI processes
13*c4762a1bSJed Brown  type: newtonls
14*c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
15*c4762a1bSJed Brown  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
16*c4762a1bSJed Brown  total number of linear solver iterations=8
17*c4762a1bSJed Brown  total number of function evaluations=2
18*c4762a1bSJed Brown  norm schedule ALWAYS
19*c4762a1bSJed Brown  SNESLineSearch Object: 5 MPI processes
20*c4762a1bSJed Brown    type: bt
21*c4762a1bSJed Brown      interpolation: cubic
22*c4762a1bSJed Brown      alpha=1.000000e-04
23*c4762a1bSJed Brown    maxstep=1.000000e+08, minlambda=1.000000e-12
24*c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
25*c4762a1bSJed Brown    maximum iterations=40
26*c4762a1bSJed Brown  KSP Object: 5 MPI processes
27*c4762a1bSJed Brown    type: gmres
28*c4762a1bSJed Brown      restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
29*c4762a1bSJed Brown      happy breakdown tolerance 1e-30
30*c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
31*c4762a1bSJed Brown    tolerances:  relative=1e-09, absolute=1e-50, divergence=10000.
32*c4762a1bSJed Brown    left preconditioning
33*c4762a1bSJed Brown    using PRECONDITIONED norm type for convergence test
34*c4762a1bSJed Brown  PC Object: 5 MPI processes
35*c4762a1bSJed Brown    type: bddc
36*c4762a1bSJed Brown      Use verbose output: 0
37*c4762a1bSJed Brown      Use user-defined CSR: 0
38*c4762a1bSJed Brown      Use local mat graph: 1
39*c4762a1bSJed Brown      Connectivity graph topological dimension: 2
40*c4762a1bSJed Brown      Use vertices: 1 (vertex size 1)
41*c4762a1bSJed Brown      Use edges: 0
42*c4762a1bSJed Brown      Use faces: 0
43*c4762a1bSJed Brown      Use true near null space: 0
44*c4762a1bSJed Brown      Use QR for single constraints on cc: 0
45*c4762a1bSJed Brown      Use change of basis on local edge nodes: 0
46*c4762a1bSJed Brown      Use change of basis on local face nodes: 0
47*c4762a1bSJed Brown      User defined change of basis matrix: 0
48*c4762a1bSJed Brown      Has change of basis matrix: 0
49*c4762a1bSJed Brown      Eliminate dirichlet boundary dofs: 0
50*c4762a1bSJed Brown      Switch on static condensation ops around the interface preconditioner: 0
51*c4762a1bSJed Brown      Use exact dirichlet trick: 0
52*c4762a1bSJed Brown      Interface extension: DIRICHLET
53*c4762a1bSJed Brown      Multilevel max levels: 0
54*c4762a1bSJed Brown      Multilevel coarsening ratio: 8
55*c4762a1bSJed Brown      Use estimated eigs for coarse problem: 0
56*c4762a1bSJed Brown      Use deluxe scaling: 0
57*c4762a1bSJed Brown      Use deluxe zerorows: 0
58*c4762a1bSJed Brown      Use deluxe singlemat: 0
59*c4762a1bSJed Brown      Rebuild interface graph for Schur principal minors: 0
60*c4762a1bSJed Brown      Number of dofs' layers for the computation of principal minors: -1
61*c4762a1bSJed Brown      Use user CSR graph to compute successive layers: 0
62*c4762a1bSJed Brown      Adaptive constraint selection threshold (active 0, userdefined 0): 0.
63*c4762a1bSJed Brown      Min constraints / connected component: 0
64*c4762a1bSJed Brown      Max constraints / connected component: 0
65*c4762a1bSJed Brown      Invert exact Schur complement for adaptive selection: 0
66*c4762a1bSJed Brown      Symmetric computation of primal basis functions: 1
67*c4762a1bSJed Brown      Num. Procs. to map coarse adjacency list: 0
68*c4762a1bSJed Brown      Coarse eqs per proc (significant at the coarsest level): 1
69*c4762a1bSJed Brown      Detect disconnected: 0 (filter 0)
70*c4762a1bSJed Brown      Benign subspace trick: 0 (change explicit 0)
71*c4762a1bSJed Brown      Benign subspace trick is active: 0
72*c4762a1bSJed Brown      Algebraic computation of no-net-flux: 0
73*c4762a1bSJed Brown    ********************************** STATISTICS AT LEVEL 0 **********************************
74*c4762a1bSJed Brown      Global dofs sizes: all 529 interface 67 coarse 10
75*c4762a1bSJed Brown      Coarsening ratios: all/coarse 52 interface/coarse 6
76*c4762a1bSJed Brown      Active processes : 5
77*c4762a1bSJed Brown      Total subdomains : 5
78*c4762a1bSJed Brown      Dofs type        :	MIN	MAX	MEAN
79*c4762a1bSJed Brown      Interior  dofs   :	49	105	92
80*c4762a1bSJed Brown      Interface dofs   :	15	39	27
81*c4762a1bSJed Brown      Primal    dofs   :	3	7	4
82*c4762a1bSJed Brown      Local     dofs   :	64	144	120
83*c4762a1bSJed Brown      Local     subs   :	1	1
84*c4762a1bSJed Brown    --- Interior solver (rank 0)
85*c4762a1bSJed Brown      KSP Object: (pc_bddc_dirichlet_) 1 MPI processes
86*c4762a1bSJed Brown        type: preonly
87*c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
88*c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
89*c4762a1bSJed Brown        left preconditioning
90*c4762a1bSJed Brown        using NONE norm type for convergence test
91*c4762a1bSJed Brown      PC Object: (pc_bddc_dirichlet_) 1 MPI processes
92*c4762a1bSJed Brown        type: lu
93*c4762a1bSJed Brown          out-of-place factorization
94*c4762a1bSJed Brown          tolerance for zero pivot 2.22045e-14
95*c4762a1bSJed Brown          matrix ordering: nd
96*c4762a1bSJed Brown          factor fill ratio given 5., needed 1.54071
97*c4762a1bSJed Brown            Factored matrix follows:
98*c4762a1bSJed Brown              Mat Object: 1 MPI processes
99*c4762a1bSJed Brown                type: seqaij
100*c4762a1bSJed Brown                rows=105, cols=105
101*c4762a1bSJed Brown                package used to perform factorization: petsc
102*c4762a1bSJed Brown                total: nonzeros=1949, allocated nonzeros=1949
103*c4762a1bSJed Brown                total number of mallocs used during MatSetValues calls=0
104*c4762a1bSJed Brown                  not using I-node routines
105*c4762a1bSJed Brown        linear system matrix = precond matrix:
106*c4762a1bSJed Brown        Mat Object: (pc_bddc_dirichlet_) 1 MPI processes
107*c4762a1bSJed Brown          type: seqaij
108*c4762a1bSJed Brown          rows=105, cols=105
109*c4762a1bSJed Brown          total: nonzeros=1265, allocated nonzeros=1265
110*c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
111*c4762a1bSJed Brown            not using I-node routines
112*c4762a1bSJed Brown    --- Correction solver (rank 0)
113*c4762a1bSJed Brown      KSP Object: (pc_bddc_neumann_) 1 MPI processes
114*c4762a1bSJed Brown        type: preonly
115*c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
116*c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
117*c4762a1bSJed Brown        left preconditioning
118*c4762a1bSJed Brown        using NONE norm type for convergence test
119*c4762a1bSJed Brown      PC Object: (pc_bddc_neumann_) 1 MPI processes
120*c4762a1bSJed Brown        type: lu
121*c4762a1bSJed Brown          out-of-place factorization
122*c4762a1bSJed Brown          tolerance for zero pivot 2.22045e-14
123*c4762a1bSJed Brown          matrix ordering: nd
124*c4762a1bSJed Brown          factor fill ratio given 5., needed 1.52481
125*c4762a1bSJed Brown            Factored matrix follows:
126*c4762a1bSJed Brown              Mat Object: 1 MPI processes
127*c4762a1bSJed Brown                type: seqaij
128*c4762a1bSJed Brown                rows=124, cols=124
129*c4762a1bSJed Brown                package used to perform factorization: petsc
130*c4762a1bSJed Brown                total: nonzeros=2458, allocated nonzeros=2458
131*c4762a1bSJed Brown                total number of mallocs used during MatSetValues calls=0
132*c4762a1bSJed Brown                  not using I-node routines
133*c4762a1bSJed Brown        linear system matrix = precond matrix:
134*c4762a1bSJed Brown        Mat Object: (pc_bddc_neumann_) 1 MPI processes
135*c4762a1bSJed Brown          type: seqaij
136*c4762a1bSJed Brown          rows=124, cols=124
137*c4762a1bSJed Brown          total: nonzeros=1612, allocated nonzeros=1612
138*c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
139*c4762a1bSJed Brown            not using I-node routines
140*c4762a1bSJed Brown    --- Coarse solver
141*c4762a1bSJed Brown      KSP Object: (pc_bddc_coarse_) 5 MPI processes
142*c4762a1bSJed Brown        type: preonly
143*c4762a1bSJed Brown        maximum iterations=1, initial guess is zero
144*c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
145*c4762a1bSJed Brown        left preconditioning
146*c4762a1bSJed Brown        using NONE norm type for convergence test
147*c4762a1bSJed Brown      PC Object: (pc_bddc_coarse_) 5 MPI processes
148*c4762a1bSJed Brown        type: redundant
149*c4762a1bSJed Brown          First (color=0) of 5 PCs follows
150*c4762a1bSJed Brown        linear system matrix = precond matrix:
151*c4762a1bSJed Brown        Mat Object: (pc_bddc_coarse_) 5 MPI processes
152*c4762a1bSJed Brown          type: mpiaij
153*c4762a1bSJed Brown          rows=10, cols=10
154*c4762a1bSJed Brown          total: nonzeros=80, allocated nonzeros=92
155*c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
156*c4762a1bSJed Brown            using I-node (on process 0) routines: found 1 nodes, limit used is 5
157*c4762a1bSJed Brown              KSP Object:     (pc_bddc_coarse_redundant_)     1 MPI processes
158*c4762a1bSJed Brown                type: preonly
159*c4762a1bSJed Brown                maximum iterations=10000, initial guess is zero
160*c4762a1bSJed Brown                tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
161*c4762a1bSJed Brown                left preconditioning
162*c4762a1bSJed Brown                using NONE norm type for convergence test
163*c4762a1bSJed Brown              PC Object:     (pc_bddc_coarse_redundant_)     1 MPI processes
164*c4762a1bSJed Brown                type: lu
165*c4762a1bSJed Brown                  out-of-place factorization
166*c4762a1bSJed Brown                  tolerance for zero pivot 2.22045e-14
167*c4762a1bSJed Brown                  matrix ordering: nd
168*c4762a1bSJed Brown                  factor fill ratio given 5., needed 1.175
169*c4762a1bSJed Brown                    Factored matrix follows:
170*c4762a1bSJed Brown                      Mat Object:     1 MPI processes
171*c4762a1bSJed Brown                        type: seqaij
172*c4762a1bSJed Brown                        rows=10, cols=10
173*c4762a1bSJed Brown                        package used to perform factorization: petsc
174*c4762a1bSJed Brown                        total: nonzeros=94, allocated nonzeros=94
175*c4762a1bSJed Brown                        total number of mallocs used during MatSetValues calls=0
176*c4762a1bSJed Brown                          using I-node routines: found 4 nodes, limit used is 5
177*c4762a1bSJed Brown                linear system matrix = precond matrix:
178*c4762a1bSJed Brown                Mat Object:     1 MPI processes
179*c4762a1bSJed Brown                  type: seqaij
180*c4762a1bSJed Brown                  rows=10, cols=10
181*c4762a1bSJed Brown                  total: nonzeros=80, allocated nonzeros=80
182*c4762a1bSJed Brown                  total number of mallocs used during MatSetValues calls=0
183*c4762a1bSJed Brown                    using I-node routines: found 7 nodes, limit used is 5
184*c4762a1bSJed Brown    linear system matrix = precond matrix:
185*c4762a1bSJed Brown    Mat Object: 5 MPI processes
186*c4762a1bSJed Brown      type: is
187*c4762a1bSJed Brown      rows=529, cols=529
188*c4762a1bSJed Brown      total: nonzeros=7832, allocated nonzeros=8924
189*c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
190