xref: /petsc/src/snes/tutorials/output/ex5_asm_5.out (revision 6dd63270497ad23dcf16ae500a87ff2b2a0b7474)
1  0 SNES Function norm 0.137187
2    0 KSP Residual norm 0.0606965
3    1 KSP Residual norm 0.0313363
4    2 KSP Residual norm 0.0202713
5    3 KSP Residual norm 0.0136062
6    4 KSP Residual norm 0.00919167
7    5 KSP Residual norm 0.00621688
8    6 KSP Residual norm 0.0042058
9    7 KSP Residual norm 0.00284539
10    8 KSP Residual norm 0.00192504
11    9 KSP Residual norm 0.00130238
12   10 KSP Residual norm 0.000881123
13   11 KSP Residual norm 0.000596122
14   12 KSP Residual norm 0.000403305
15   13 KSP Residual norm 0.000272855
16   14 KSP Residual norm 0.0001846
17   15 KSP Residual norm 0.00012489
18   16 KSP Residual norm 8.44943e-05
19   17 KSP Residual norm 5.71644e-05
20   18 KSP Residual norm 3.86745e-05
21   19 KSP Residual norm 2.61651e-05
22   20 KSP Residual norm 1.7702e-05
23   21 KSP Residual norm 1.19762e-05
24   22 KSP Residual norm 8.10249e-06
25   23 KSP Residual norm 5.48172e-06
26   24 KSP Residual norm 3.70864e-06
27   25 KSP Residual norm 2.50908e-06
28   26 KSP Residual norm 1.69751e-06
29   27 KSP Residual norm 1.14845e-06
30   28 KSP Residual norm 7.76979e-07
31   29 KSP Residual norm 5.25663e-07
32   30 KSP Residual norm 3.55636e-07
33   31 KSP Residual norm 2.40605e-07
34   32 KSP Residual norm 1.62781e-07
35   33 KSP Residual norm 1.10129e-07
36   34 KSP Residual norm 7.45075e-08
37   35 KSP Residual norm 5.04079e-08
38   36 KSP Residual norm 3.41033e-08
39   37 KSP Residual norm 2.30725e-08
40   38 KSP Residual norm 1.56097e-08
41   39 KSP Residual norm 1.05607e-08
42   40 KSP Residual norm 7.14481e-09
43   41 KSP Residual norm 4.83381e-09
44   42 KSP Residual norm 3.2703e-09
45   43 KSP Residual norm 2.21251e-09
46   44 KSP Residual norm 1.49687e-09
47   45 KSP Residual norm 1.01271e-09
48   46 KSP Residual norm 6.851e-10
49   47 KSP Residual norm 4.635e-10
50   48 KSP Residual norm 3.136e-10
51   49 KSP Residual norm 2.122e-10
52   50 KSP Residual norm 1.435e-10
53   51 KSP Residual norm 9.711e-11
54   52 KSP Residual norm 6.570e-11
55   53 KSP Residual norm 4.445e-11
56  1 SNES Function norm 1.506e-10
57Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 1
58SNES Object: 2 MPI processes
59  type: newtonls
60  maximum iterations=50, maximum function evaluations=10000
61  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
62  total number of linear solver iterations=53
63  total number of function evaluations=2
64  norm schedule ALWAYS
65  Jacobian is built using a DMDA local Jacobian
66  SNESLineSearch Object: 2 MPI processes
67    type: bt
68      interpolation: cubic
69      alpha=1.000000e-04
70    maxstep=1.000000e+08, 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: 2 MPI processes
74    type: richardson
75      damping factor=1.
76    maximum iterations=10000, initial guess is zero
77    tolerances: relative=1e-09, absolute=1e-50, divergence=10000.
78    left preconditioning
79    using PRECONDITIONED norm type for convergence test
80  PC Object: 2 MPI processes
81    type: asm
82      total subdomain blocks = 4, amount of overlap = 0
83      restriction/interpolation type - RESTRICT
84      Local solver information for first block is in the following KSP and PC objects on rank 0:
85      Use -ksp_view ::ascii_info_detail to display information for all blocks
86    KSP Object: (sub_) 1 MPI process
87      type: preonly
88      maximum iterations=10000, initial guess is zero
89      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
90      left preconditioning
91      using NONE norm type for convergence test
92    PC Object: (sub_) 1 MPI process
93      type: lu
94        out-of-place factorization
95        tolerance for zero pivot 2.22045e-14
96        matrix ordering: nd
97        factor fill ratio given 5., needed 1.35714
98          Factored matrix follows:
99            Mat Object: (sub_) 1 MPI process
100              type: seqaij
101              rows=8, cols=8
102              package used to perform factorization: petsc
103              total: nonzeros=38, allocated nonzeros=38
104                not using I-node routines
105      linear system matrix = precond matrix:
106      Mat Object: (sub_) 1 MPI process
107        type: seqaij
108        rows=8, cols=8
109        total: nonzeros=28, allocated nonzeros=28
110        total number of mallocs used during MatSetValues calls=0
111          not using I-node routines
112    linear system matrix = precond matrix:
113    Mat Object: 2 MPI processes
114      type: mpiaij
115      rows=32, cols=32
116      total: nonzeros=136, allocated nonzeros=136
117      total number of mallocs used during MatSetValues calls=0
118N: 32 error L2 2.42932e-11 inf 5.6701e-11
119