xref: /petsc/src/snes/tutorials/output/ex12_fas_newton_1.out (revision bcd4bb4a4158aa96f212e9537e87b40407faf83e)
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: 0.00131109
14Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 1
15SNES Object: 1 MPI process
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 process
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      norm schedule ALWAYS
27      SNESLineSearch Object: (fas_coarse_) 1 MPI process
28        type: basic
29        maxlambda=1.000000e+00, minlambda=1.000000e-12
30        tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
31        maximum iterations=40
32      KSP Object: (fas_coarse_) 1 MPI process
33        type: gmres
34          restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
35          happy breakdown tolerance=1e-30
36        maximum iterations=10000, initial guess is zero
37        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
38        left preconditioning
39        using PRECONDITIONED norm type for convergence test
40      PC Object: (fas_coarse_) 1 MPI process
41        type: lu
42          out-of-place factorization
43          tolerance for zero pivot 2.22045e-14
44          matrix ordering: nd
45          factor fill ratio given 5., needed 1.39024
46            Factored matrix:
47              Mat Object: (fas_coarse_) 1 MPI process
48                type: seqaij
49                rows=9, cols=9
50                package used to perform factorization: petsc
51                total: nonzeros=57, allocated nonzeros=57
52                  using I-node routines: found 7 nodes, limit used is 5
53        linear system matrix, which is also used to construct the preconditioner:
54        Mat Object: 1 MPI process
55          type: seqaij
56          rows=9, cols=9
57          total: nonzeros=41, allocated nonzeros=41
58          total number of mallocs used during MatSetValues calls=0
59            not using I-node routines
60    Down solver (pre-smoother) on level 1 -------------------------------
61    SNES Object: (fas_levels_1_) 1 MPI process
62      type: newtonls
63      maximum iterations=1, maximum function evaluations=10000
64      tolerances: relative=0., absolute=0., solution=0.
65      total number of linear solver iterations=15
66      total number of function evaluations=2
67      norm schedule FINALONLY
68      SNESLineSearch Object: (fas_levels_1_) 1 MPI process
69        type: basic
70        maxlambda=1.000000e+00, minlambda=1.000000e-12
71        tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
72        maximum iterations=40
73      KSP Object: (fas_levels_1_) 1 MPI process
74        type: gmres
75          restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
76          happy breakdown tolerance=1e-30
77        maximum iterations=10000, initial guess is zero
78        tolerances: relative=1e-10, absolute=1e-50, divergence=10000.
79        left preconditioning
80        using PRECONDITIONED norm type for convergence test
81      PC Object: (fas_levels_1_) 1 MPI process
82        type: ilu
83          out-of-place factorization
84          0 levels of fill
85          tolerance for zero pivot 2.22045e-14
86          matrix ordering: natural
87          factor fill ratio given 1., needed 1.
88            Factored matrix:
89              Mat Object: (fas_levels_1_) 1 MPI process
90                type: seqaij
91                rows=49, cols=49
92                package used to perform factorization: petsc
93                total: nonzeros=289, allocated nonzeros=289
94                  not using I-node routines
95        linear system matrix, which is also used to construct the preconditioner:
96        Mat Object: 1 MPI process
97          type: seqaij
98          rows=49, cols=49
99          total: nonzeros=289, allocated nonzeros=289
100          total number of mallocs used during MatSetValues calls=0
101            not using I-node routines
102    Up solver (post-smoother) same as down solver (pre-smoother)
103    Down solver (pre-smoother) on level 2 -------------------------------
104    SNES Object: (fas_levels_2_) 1 MPI process
105      type: newtonls
106      maximum iterations=1, maximum function evaluations=10000
107      tolerances: relative=0., absolute=0., solution=0.
108      total number of linear solver iterations=27
109      total number of function evaluations=2
110      norm schedule FINALONLY
111      SNESLineSearch Object: (fas_levels_2_) 1 MPI process
112        type: basic
113        maxlambda=1.000000e+00, minlambda=1.000000e-12
114        tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
115        maximum iterations=40
116      KSP Object: (fas_levels_2_) 1 MPI process
117        type: gmres
118          restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
119          happy breakdown tolerance=1e-30
120        maximum iterations=10000, initial guess is zero
121        tolerances: relative=1e-10, absolute=1e-50, divergence=10000.
122        left preconditioning
123        using PRECONDITIONED norm type for convergence test
124      PC Object: (fas_levels_2_) 1 MPI process
125        type: ilu
126          out-of-place factorization
127          0 levels of fill
128          tolerance for zero pivot 2.22045e-14
129          matrix ordering: natural
130          factor fill ratio given 1., needed 1.
131            Factored matrix:
132              Mat Object: (fas_levels_2_) 1 MPI process
133                type: seqaij
134                rows=225, cols=225
135                package used to perform factorization: petsc
136                total: nonzeros=1457, allocated nonzeros=1457
137                  not using I-node routines
138        linear system matrix, which is also used to construct the preconditioner:
139        Mat Object: 1 MPI process
140          type: seqaij
141          rows=225, cols=225
142          total: nonzeros=1457, allocated nonzeros=1457
143          total number of mallocs used during MatSetValues calls=0
144            not using I-node routines
145    Up solver (post-smoother) same as down solver (pre-smoother)
146  maximum iterations=10000, maximum function evaluations=30000
147  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
148  total number of function evaluations=1
149  norm schedule ALWAYS
150