xref: /petsc/src/snes/tutorials/output/ex5_asm_4.out (revision 607e733f3db3ee7f6f605a13295c517df8dbb9c9)
1  0 SNES Function norm 0.137187
2    0 KSP Residual norm 0.0751492
3    1 KSP Residual norm 0.0303034
4    2 KSP Residual norm 0.0188899
5    3 KSP Residual norm 0.0117752
6    4 KSP Residual norm 0.00734021
7    5 KSP Residual norm 0.0045756
8    6 KSP Residual norm 0.00285225
9    7 KSP Residual norm 0.00177798
10    8 KSP Residual norm 0.00110832
11    9 KSP Residual norm 0.000690883
12   10 KSP Residual norm 0.000430669
13   11 KSP Residual norm 0.000268462
14   12 KSP Residual norm 0.000167349
15   13 KSP Residual norm 0.000104319
16   14 KSP Residual norm 6.5028e-05
17   15 KSP Residual norm 4.05359e-05
18   16 KSP Residual norm 2.52685e-05
19   17 KSP Residual norm 1.57514e-05
20   18 KSP Residual norm 9.81878e-06
21   19 KSP Residual norm 6.12064e-06
22   20 KSP Residual norm 3.81536e-06
23   21 KSP Residual norm 2.37835e-06
24   22 KSP Residual norm 1.48257e-06
25   23 KSP Residual norm 9.24174e-07
26   24 KSP Residual norm 5.76093e-07
27   25 KSP Residual norm 3.59114e-07
28   26 KSP Residual norm 2.23857e-07
29   27 KSP Residual norm 1.39544e-07
30   28 KSP Residual norm 8.69861e-08
31   29 KSP Residual norm 5.42237e-08
32   30 KSP Residual norm 3.38009e-08
33   31 KSP Residual norm 2.10701e-08
34   32 KSP Residual norm 1.31343e-08
35   33 KSP Residual norm 8.1874e-09
36   34 KSP Residual norm 5.1037e-09
37   35 KSP Residual norm 3.18144e-09
38   36 KSP Residual norm 1.98319e-09
39   37 KSP Residual norm 1.23624e-09
40   38 KSP Residual norm 7.706e-10
41   39 KSP Residual norm 4.804e-10
42   40 KSP Residual norm 2.994e-10
43   41 KSP Residual norm 1.867e-10
44   42 KSP Residual norm 1.164e-10
45   43 KSP Residual norm 7.253e-11
46  1 SNES Function norm 2.290e-10
47Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 1
48SNES Object: 2 MPI processes
49  type: newtonls
50  maximum iterations=50, maximum function evaluations=10000
51  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
52  total number of linear solver iterations=43
53  total number of function evaluations=2
54  norm schedule ALWAYS
55  Jacobian is built using a DMDA local Jacobian
56  SNESLineSearch Object: 2 MPI processes
57    type: bt
58      interpolation: cubic
59      alpha=1.000000e-04
60    maxlambda=1.000000e+00, minlambda=1.000000e-12
61    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
62    maximum iterations=40
63  KSP Object: 2 MPI processes
64    type: richardson
65      damping factor=1.
66    maximum iterations=10000, initial guess is zero
67    tolerances: relative=1e-09, absolute=1e-50, divergence=10000.
68    left preconditioning
69    using PRECONDITIONED norm type for convergence test
70  PC Object: 2 MPI processes
71    type: asm
72      total subdomain blocks = 2, amount of overlap = 0
73      restriction/interpolation type - RESTRICT
74      Local solver information for first block is in the following KSP and PC objects on rank 0:
75      Use -ksp_view ::ascii_info_detail to display information for all blocks
76      KSP Object: (sub_) 1 MPI process
77        type: preonly
78        maximum iterations=10000, initial guess is zero
79        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
80        left preconditioning
81        not checking for convergence
82      PC Object: (sub_) 1 MPI process
83        type: lu
84          out-of-place factorization
85          tolerance for zero pivot 2.22045e-14
86          matrix ordering: nd
87          factor fill ratio given 5., needed 1.875
88            Factored matrix:
89              Mat Object: (sub_) 1 MPI process
90                type: seqaij
91                rows=16, cols=16
92                package used to perform factorization: petsc
93                total: nonzeros=120, allocated nonzeros=120
94                  using I-node routines: found 12 nodes, limit used is 5
95        linear system matrix, which is also used to construct the preconditioner:
96        Mat Object: (sub_) 1 MPI process
97          type: seqaij
98          rows=16, cols=16
99          total: nonzeros=64, allocated nonzeros=64
100          total number of mallocs used during MatSetValues calls=0
101            not using I-node routines
102    linear system matrix, which is also used to construct the preconditioner:
103    Mat Object: 2 MPI processes
104      type: mpiaij
105      rows=32, cols=32
106      total: nonzeros=136, allocated nonzeros=136
107      total number of mallocs used during MatSetValues calls=0
108N: 32 error L2 3.40437e-11 inf 8.12005e-11
109