xref: /petsc/src/snes/tutorials/output/ex12_fas_newton_0.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
1  0 SNES Function norm 95.2794
2    0 SNES Function norm 95.2794
3    1 SNES Function norm 27.7545
4      0 SNES Function norm 7.72252
5      1 SNES Function norm 1.53615
6      2 SNES Function norm 0.109054
7      3 SNES Function norm 0.000651896
8      4 SNES Function norm 2.36055e-08
9    0 SNES Function norm 27.9148
10    1 SNES Function norm 7.84699
11  1 SNES Function norm 7.84699
12    0 SNES Function norm 7.84699
13    1 SNES Function norm 1.64247
14      0 SNES Function norm 0.168478
15      1 SNES Function norm 0.00165933
16      2 SNES Function norm 1.62594e-07
17      3 SNES Function norm < 1.e-11
18    0 SNES Function norm 1.69667
19    1 SNES Function norm 0.163849
20  2 SNES Function norm 0.163849
21    0 SNES Function norm 0.163849
22    1 SNES Function norm 0.00249421
23      0 SNES Function norm 0.000417676
24      1 SNES Function norm 1.00749e-08
25      2 SNES Function norm < 1.e-11
26    0 SNES Function norm 0.00265254
27    1 SNES Function norm 5.66326e-07
28  3 SNES Function norm 5.66326e-07
29L_2 Error: 0.0198799
30Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 3
31SNES Object: 1 MPI process
32  type: fas
33    type is MULTIPLICATIVE, levels=2, cycles=1
34    Not using Galerkin computed coarse grid function evaluation
35    Coarse grid solver -- level 0 -------------------------------
36    SNES Object: (fas_coarse_) 1 MPI process
37      type: newtonls
38      maximum iterations=50, maximum function evaluations=10000
39      tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
40      total number of linear solver iterations=2
41      total number of function evaluations=2
42      norm schedule ALWAYS
43      SNESLineSearch Object: (fas_coarse_) 1 MPI process
44        type: basic
45        maxlambda=1.000000e+00, minlambda=1.000000e-12
46        tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
47        maximum iterations=40
48      KSP Object: (fas_coarse_) 1 MPI process
49        type: gmres
50          restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
51          happy breakdown tolerance=1e-30
52        maximum iterations=10000, initial guess is zero
53        tolerances: relative=1e-10, absolute=1e-50, divergence=10000.
54        left preconditioning
55        using PRECONDITIONED norm type for convergence test
56      PC Object: (fas_coarse_) 1 MPI process
57        type: svd
58          All singular values smaller than 1e-12 treated as zero
59          Provided essential rank of the matrix 0 (all other eigenvalues are zeroed)
60        linear system matrix, which is also used to construct the preconditioner:
61        Mat Object: 1 MPI process
62          type: seqaij
63          rows=1, cols=1
64          total: nonzeros=1, allocated nonzeros=1
65          total number of mallocs used during MatSetValues calls=0
66            not using I-node routines
67    Down solver (pre-smoother) on level 1 -------------------------------
68    SNES Object: (fas_levels_1_) 1 MPI process
69      type: newtonls
70      maximum iterations=1, maximum function evaluations=10000
71      tolerances: relative=0., absolute=0., solution=0.
72      total number of linear solver iterations=1
73      total number of function evaluations=2
74      norm schedule FINALONLY
75      SNESLineSearch Object: (fas_levels_1_) 1 MPI process
76        type: bt
77          interpolation: cubic
78          alpha=1.000000e-04
79        maxlambda=1.000000e+00, minlambda=1.000000e-12
80        tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
81        maximum iterations=40
82      KSP Object: (fas_levels_1_) 1 MPI process
83        type: gmres
84          restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
85          happy breakdown tolerance=1e-30
86        maximum iterations=10000, initial guess is zero
87        tolerances: relative=1e-10, absolute=1e-50, divergence=10000.
88        left preconditioning
89        using PRECONDITIONED norm type for convergence test
90      PC Object: (fas_levels_1_) 1 MPI process
91        type: svd
92          All singular values smaller than 1e-12 treated as zero
93          Provided essential rank of the matrix 0 (all other eigenvalues are zeroed)
94        linear system matrix, which is also used to construct the preconditioner:
95        Mat Object: 1 MPI process
96          type: seqaij
97          rows=9, cols=9
98          total: nonzeros=41, allocated nonzeros=41
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  maximum iterations=10000, maximum function evaluations=30000
103  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
104  total number of function evaluations=1
105  norm schedule ALWAYS
106