xref: /petsc/src/ksp/pc/tests/output/ex9f_1.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
1KSP Object: (fieldsplit_splitname_) 1 MPI process
2  type: preonly
3  maximum iterations=10000, initial guess is zero
4  tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
5  left preconditioning
6  using DEFAULT norm type for convergence test
7PC Object: (fieldsplit_splitname_) 1 MPI process
8  type: ilu
9  PC has not been set up so information may be incomplete
10    out-of-place factorization
11    0 levels of fill
12    tolerance for zero pivot 2.22045e-14
13  linear system matrix, which is also used to construct the preconditioner:
14  Mat Object: (fieldsplit_splitname_) 1 MPI process
15    type: seqaij
16    rows=10, cols=10
17    total: nonzeros=28, allocated nonzeros=28
18    total number of mallocs used during MatSetValues calls=0
19      not using I-node routines
20  0 KSP Residual norm 3.162277660168e+00
21  1 KSP Residual norm 3.040470972244e-16
22KSP Object: 1 MPI process
23  type: gmres
24    restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
25    happy breakdown tolerance=1e-30
26  maximum iterations=10000, initial guess is zero
27  tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
28  left preconditioning
29  using PRECONDITIONED norm type for convergence test
30PC Object: 1 MPI process
31  type: fieldsplit
32    FieldSplit with MULTIPLICATIVE composition: total splits = 2
33    Solver info for each split is in the following KSP objects:
34  Split number 0 Defined by IS
35  KSP Object: (fieldsplit_splitname_) 1 MPI process
36    type: preonly
37    maximum iterations=10000, initial guess is zero
38    tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
39    left preconditioning
40    not checking for convergence
41  PC Object: (fieldsplit_splitname_) 1 MPI process
42    type: ilu
43      out-of-place factorization
44      0 levels of fill
45      tolerance for zero pivot 2.22045e-14
46      matrix ordering: natural
47      factor fill ratio given 1., needed 1.
48        Factored matrix:
49          Mat Object: (fieldsplit_splitname_) 1 MPI process
50            type: seqaij
51            rows=10, cols=10
52            package used to perform factorization: petsc
53            total: nonzeros=28, allocated nonzeros=28
54              not using I-node routines
55    linear system matrix, which is also used to construct the preconditioner:
56    Mat Object: (fieldsplit_splitname_) 1 MPI process
57      type: seqaij
58      rows=10, cols=10
59      total: nonzeros=28, allocated nonzeros=28
60      total number of mallocs used during MatSetValues calls=0
61        not using I-node routines
62  Split number 1 Defined by IS
63  KSP Object: (fieldsplit_1_) 1 MPI process
64    type: preonly
65    maximum iterations=10000, initial guess is zero
66    tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
67    left preconditioning
68    not checking for convergence
69  PC Object: (fieldsplit_1_) 1 MPI process
70    type: ilu
71      out-of-place factorization
72      0 levels of fill
73      tolerance for zero pivot 2.22045e-14
74      matrix ordering: natural
75      factor fill ratio given 1., needed 1.
76        Factored matrix:
77          Mat Object: (fieldsplit_1_) 1 MPI process
78            type: seqaij
79            rows=0, cols=0
80            package used to perform factorization: petsc
81            total: nonzeros=0, allocated nonzeros=0
82              not using I-node routines
83    linear system matrix, which is also used to construct the preconditioner:
84    Mat Object: (fieldsplit_1_) 1 MPI process
85      type: seqaij
86      rows=0, cols=0
87      total: nonzeros=0, allocated nonzeros=0
88      total number of mallocs used during MatSetValues calls=0
89        not using I-node routines
90  linear system matrix, which is also used to construct the preconditioner:
91  Mat Object: (fieldsplit_splitname_) 1 MPI process
92    type: seqaij
93    rows=10, cols=10
94    total: nonzeros=28, allocated nonzeros=28
95    total number of mallocs used during MatSetValues calls=0
96      not using I-node routines
97Norm of error < 1.e-12, Iterations =     1
98