xref: /petsc/src/ksp/ksp/tutorials/output/ex72_seqaijperm.out (revision 4e8afd12df985612b40e26aef947da2f566aee4e)
1Mat Object: 1 MPI processes
2  type: seqaijperm
3  rows=36, cols=36
4  total: nonzeros=156, allocated nonzeros=156
5  total number of mallocs used during MatSetValues calls=0
6    not using I-node routines
7  0 KSP Residual norm 127.99
8  1 KSP Residual norm 31.1461
9  2 KSP Residual norm 5.10225
10  3 KSP Residual norm 0.643389
11  4 KSP Residual norm 0.0963559
12  5 KSP Residual norm 0.00919234
13  6 KSP Residual norm 0.000933305
14KSP Object: 1 MPI processes
15  type: gmres
16    restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
17    happy breakdown tolerance 1e-30
18  maximum iterations=10000, initial guess is zero
19  tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
20  left preconditioning
21  using PRECONDITIONED norm type for convergence test
22PC Object: 1 MPI processes
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: 1 MPI processes
31          type: seqaij
32          rows=36, cols=36
33          package used to perform factorization: petsc
34          total: nonzeros=156, allocated nonzeros=156
35          total number of mallocs used during MatSetValues calls=0
36            not using I-node routines
37  linear system matrix = precond matrix:
38  Mat Object: 1 MPI processes
39    type: seqaijperm
40    rows=36, cols=36
41    total: nonzeros=156, allocated nonzeros=156
42    total number of mallocs used during MatSetValues calls=0
43      not using I-node routines
44Number of iterations =   6
45Residual norm 0.00328198
46