xref: /petsc/src/snes/tutorials/output/ex19_cgne.out (revision a69119a591a03a9d906b29c0a4e9802e4d7c9795)
1lid velocity = 0.00591716, prandtl # = 1., grashof # = 1.
2    0 KSP Residual norm 0.070841
3    1 KSP Residual norm < 1.e-11
4  Linear solve converged due to CONVERGED_RTOL iterations 1
5KSP Object: 1 MPI process
6  type: cgne
7  maximum iterations=10000, initial guess is zero
8  tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
9  left preconditioning
10  using UNPRECONDITIONED norm type for convergence test
11PC Object: 1 MPI process
12  type: lu
13    out-of-place factorization
14    tolerance for zero pivot 2.22045e-14
15    matrix ordering: nd
16    factor fill ratio given 5., needed 3.46154
17      Factored matrix follows:
18        Mat Object: 1 MPI process
19          type: seqaij
20          rows=676, cols=676, bs=4
21          package used to perform factorization: petsc
22          total: nonzeros=43920, allocated nonzeros=43920
23            using I-node routines: found 169 nodes, limit used is 5
24  linear system matrix = precond matrix:
25  Mat Object: 1 MPI process
26    type: seqaij
27    rows=676, cols=676, bs=4
28    total: nonzeros=12688, allocated nonzeros=12688
29    total number of mallocs used during MatSetValues calls=0
30      using I-node routines: found 169 nodes, limit used is 5
31    0 KSP Residual norm 1.46462e-05
32    1 KSP Residual norm < 1.e-11
33  Linear solve converged due to CONVERGED_RTOL iterations 1
34KSP Object: 1 MPI process
35  type: cgne
36  maximum iterations=10000, initial guess is zero
37  tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
38  left preconditioning
39  using UNPRECONDITIONED norm type for convergence test
40PC Object: 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 3.46154
46      Factored matrix follows:
47        Mat Object: 1 MPI process
48          type: seqaij
49          rows=676, cols=676, bs=4
50          package used to perform factorization: petsc
51          total: nonzeros=43920, allocated nonzeros=43920
52            using I-node routines: found 169 nodes, limit used is 5
53  linear system matrix = precond matrix:
54  Mat Object: 1 MPI process
55    type: seqaij
56    rows=676, cols=676, bs=4
57    total: nonzeros=12688, allocated nonzeros=12688
58    total number of mallocs used during MatSetValues calls=0
59      using I-node routines: found 169 nodes, limit used is 5
60Number of SNES iterations = 2
61