xref: /petsc/src/ksp/pc/tests/output/ex9f_1.out (revision f13dfd9ea68e0ddeee984e65c377a1819eab8a8a)
1  0 KSP Residual norm 3.162277660168e+00
2  1 KSP Residual norm 3.040470972244e-16
3KSP Object: 1 MPI process
4  type: gmres
5    restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
6    happy breakdown tolerance 1e-30
7  maximum iterations=10000, initial guess is zero
8  tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
9  left preconditioning
10  using PRECONDITIONED norm type for convergence test
11PC Object: 1 MPI process
12  type: fieldsplit
13    FieldSplit with MULTIPLICATIVE composition: total splits = 2
14    Solver info for each split is in the following KSP objects:
15  Split number 0 Defined by IS
16  KSP Object: (fieldsplit_splitname_) 1 MPI process
17    type: preonly
18    maximum iterations=10000, initial guess is zero
19    tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
20    left preconditioning
21    using NONE norm type for convergence test
22  PC Object: (fieldsplit_splitname_) 1 MPI process
23    type: ilu
24      out-of-place factorization
25      0 levels of fill
26      tolerance for zero pivot 2.22045e-14
27      matrix ordering: natural
28      factor fill ratio given 1., needed 1.
29        Factored matrix follows:
30          Mat Object: (fieldsplit_splitname_) 1 MPI process
31            type: seqaij
32            rows=10, cols=10
33            package used to perform factorization: petsc
34            total: nonzeros=28, allocated nonzeros=28
35              not using I-node routines
36    linear system matrix = precond matrix:
37    Mat Object: (fieldsplit_splitname_) 1 MPI process
38      type: seqaij
39      rows=10, cols=10
40      total: nonzeros=28, allocated nonzeros=28
41      total number of mallocs used during MatSetValues calls=0
42        not using I-node routines
43  Split number 1 Defined by IS
44  KSP Object: (fieldsplit_1_) 1 MPI process
45    type: preonly
46    maximum iterations=10000, initial guess is zero
47    tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
48    left preconditioning
49    using NONE norm type for convergence test
50  PC Object: (fieldsplit_1_) 1 MPI process
51    type: ilu
52      out-of-place factorization
53      0 levels of fill
54      tolerance for zero pivot 2.22045e-14
55      matrix ordering: natural
56      factor fill ratio given 1., needed 1.
57        Factored matrix follows:
58          Mat Object: (fieldsplit_1_) 1 MPI process
59            type: seqaij
60            rows=0, cols=0
61            package used to perform factorization: petsc
62            total: nonzeros=0, allocated nonzeros=0
63              not using I-node routines
64    linear system matrix = precond matrix:
65    Mat Object: (fieldsplit_1_) 1 MPI process
66      type: seqaij
67      rows=0, cols=0
68      total: nonzeros=0, allocated nonzeros=0
69      total number of mallocs used during MatSetValues calls=0
70        not using I-node routines
71  linear system matrix = precond matrix:
72  Mat Object: (fieldsplit_splitname_) 1 MPI process
73    type: seqaij
74    rows=10, cols=10
75    total: nonzeros=28, allocated nonzeros=28
76    total number of mallocs used during MatSetValues calls=0
77      not using I-node routines
78Norm of error < 1.e-12, Iterations =     1
79