xref: /petsc/src/snes/tutorials/output/ex12_fas_newton_1.out (revision ccb4e88a40f0b86eaeca07ff64c64e4de2fae686)
1  0 SNES Function norm 8.32828
2    0 SNES Function norm 8.32828
3    1 SNES Function norm 6.223e-10
4      0 SNES Function norm 4.482e-10
5      1 SNES Function norm < 1.e-11
6        0 SNES Function norm < 1.e-11
7        1 SNES Function norm < 1.e-11
8      0 SNES Function norm < 1.e-11
9      1 SNES Function norm < 1.e-11
10    0 SNES Function norm 5.875e-10
11    1 SNES Function norm < 1.e-11
12  1 SNES Function norm < 1.e-11
13L_2 Error: 0.00131794
14Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 1
15SNES Object: 1 MPI processes
16  type: fas
17    type is MULTIPLICATIVE, levels=3, cycles=1
18    Not using Galerkin computed coarse grid function evaluation
19    Coarse grid solver -- level 0 -------------------------------
20    SNES Object: (fas_coarse_) 1 MPI processes
21      type: newtonls
22      maximum iterations=50, maximum function evaluations=10000
23      tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
24      total number of linear solver iterations=1
25      total number of function evaluations=1
26      SNESLineSearch Object: (fas_coarse_) 1 MPI processes
27        type: basic
28        maxstep=1.000000e+08, minlambda=1.000000e-12
29        tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
30        maximum iterations=40
31      KSP Object: (fas_coarse_) 1 MPI processes
32        type: gmres
33          restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
34          happy breakdown tolerance 1e-30
35        maximum iterations=10000, initial guess is zero
36        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
37        left preconditioning
38        using PRECONDITIONED norm type for convergence test
39      PC Object: (fas_coarse_) 1 MPI processes
40        type: lu
41          out-of-place factorization
42          tolerance for zero pivot 2.22045e-14
43          matrix ordering: nd
44          factor fill ratio given 5., needed 1.39024
45            Factored matrix follows:
46              Mat Object: 1 MPI processes
47                type: seqaij
48                rows=9, cols=9
49                package used to perform factorization: petsc
50                total: nonzeros=57, allocated nonzeros=57
51                  using I-node routines: found 7 nodes, limit used is 5
52        linear system matrix = precond matrix:
53        Mat Object: 1 MPI processes
54          type: seqaij
55          rows=9, cols=9
56          total: nonzeros=41, allocated nonzeros=41
57          total number of mallocs used during MatSetValues calls=0
58            not using I-node routines
59    Down solver (pre-smoother) on level 1 -------------------------------
60    SNES Object: (fas_levels_1_) 1 MPI processes
61      type: newtonls
62      maximum iterations=1, maximum function evaluations=30000
63      tolerances: relative=0., absolute=0., solution=0.
64      total number of linear solver iterations=15
65      total number of function evaluations=2
66      norm schedule FINALONLY
67      SNESLineSearch Object: (fas_levels_1_) 1 MPI processes
68        type: basic
69        maxstep=1.000000e+08, minlambda=1.000000e-12
70        tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
71        maximum iterations=40
72      KSP Object: (fas_levels_1_) 1 MPI processes
73        type: gmres
74          restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
75          happy breakdown tolerance 1e-30
76        maximum iterations=10000, initial guess is zero
77        tolerances:  relative=1e-10, absolute=1e-50, divergence=10000.
78        left preconditioning
79        using PRECONDITIONED norm type for convergence test
80      PC Object: (fas_levels_1_) 1 MPI processes
81        type: ilu
82          out-of-place factorization
83          0 levels of fill
84          tolerance for zero pivot 2.22045e-14
85          matrix ordering: natural
86          factor fill ratio given 1., needed 1.
87            Factored matrix follows:
88              Mat Object: 1 MPI processes
89                type: seqaij
90                rows=49, cols=49
91                package used to perform factorization: petsc
92                total: nonzeros=289, allocated nonzeros=289
93                  not using I-node routines
94        linear system matrix = precond matrix:
95        Mat Object: 1 MPI processes
96          type: seqaij
97          rows=49, cols=49
98          total: nonzeros=289, allocated nonzeros=289
99          total number of mallocs used during MatSetValues calls=0
100            not using I-node routines
101    Up solver (post-smoother) same as down solver (pre-smoother)
102    Down solver (pre-smoother) on level 2 -------------------------------
103    SNES Object: (fas_levels_2_) 1 MPI processes
104      type: newtonls
105      maximum iterations=1, maximum function evaluations=30000
106      tolerances: relative=0., absolute=0., solution=0.
107      total number of linear solver iterations=27
108      total number of function evaluations=2
109      norm schedule FINALONLY
110      SNESLineSearch Object: (fas_levels_2_) 1 MPI processes
111        type: basic
112        maxstep=1.000000e+08, minlambda=1.000000e-12
113        tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
114        maximum iterations=40
115      KSP Object: (fas_levels_2_) 1 MPI processes
116        type: gmres
117          restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
118          happy breakdown tolerance 1e-30
119        maximum iterations=10000, initial guess is zero
120        tolerances:  relative=1e-10, absolute=1e-50, divergence=10000.
121        left preconditioning
122        using PRECONDITIONED norm type for convergence test
123      PC Object: (fas_levels_2_) 1 MPI processes
124        type: ilu
125          out-of-place factorization
126          0 levels of fill
127          tolerance for zero pivot 2.22045e-14
128          matrix ordering: natural
129          factor fill ratio given 1., needed 1.
130            Factored matrix follows:
131              Mat Object: 1 MPI processes
132                type: seqaij
133                rows=225, cols=225
134                package used to perform factorization: petsc
135                total: nonzeros=1457, allocated nonzeros=1457
136                  not using I-node routines
137        linear system matrix = precond matrix:
138        Mat Object: 1 MPI processes
139          type: seqaij
140          rows=225, cols=225
141          total: nonzeros=1457, allocated nonzeros=1457
142          total number of mallocs used during MatSetValues calls=0
143            not using I-node routines
144    Up solver (post-smoother) same as down solver (pre-smoother)
145  maximum iterations=10000, maximum function evaluations=30000
146  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
147  total number of function evaluations=1
148  norm schedule ALWAYS
149