xref: /petsc/src/snes/tutorials/output/ex5_5.out (revision 793a3527f7f9b48b2117473bf24a35e19d9d5c47)
1c4762a1bSJed Brown  0 SNES Function norm 0.207564
2c4762a1bSJed Brown  1 SNES Function norm 0.0148968
3c4762a1bSJed Brown  2 SNES Function norm 0.000113967
4c4762a1bSJed Brown  3 SNES Function norm 6.92417e-09
5c4762a1bSJed Brown  4 SNES Function norm < 1.e-11
6c4762a1bSJed BrownSNES Object: 4 MPI processes
7c4762a1bSJed Brown  type: ls
8c4762a1bSJed Brown    line search variant: SNESLineSearchCubic
9c4762a1bSJed Brown    alpha=0.0001, maxstep=1e+08, minlambda=1e-12
10c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
11c4762a1bSJed Brown  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
12c4762a1bSJed Brown  total number of linear solver iterations=4
13c4762a1bSJed Brown  total number of function evaluations=5
14c4762a1bSJed Brown  KSP Object: 4 MPI processes
15c4762a1bSJed Brown    type: gmres
16c4762a1bSJed Brown      restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with one step of iterative refinement
17c4762a1bSJed Brown      happy breakdown tolerance 1e-30
18c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
19c4762a1bSJed Brown    tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
20c4762a1bSJed Brown    left preconditioning
21c4762a1bSJed Brown    using PRECONDITIONED norm type for convergence test
22c4762a1bSJed Brown  PC Object: 4 MPI processes
23c4762a1bSJed Brown    type: bjacobi
24c4762a1bSJed Brown      number of blocks = 4
258d76b567SPatrick Sanan      Local solver is the same for all blocks, as in the following KSP and PC objects on rank 0:
26c4762a1bSJed Brown    KSP Object: (sub_) 1 MPI processes
27c4762a1bSJed Brown      type: preonly
28c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
29c4762a1bSJed Brown      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
30c4762a1bSJed Brown      left preconditioning
31c4762a1bSJed Brown      using PRECONDITIONED norm type for convergence test
32c4762a1bSJed Brown    PC Object: (sub_) 1 MPI processes
33c4762a1bSJed Brown      type: ilu
34c4762a1bSJed Brown        out-of-place factorization
35c4762a1bSJed Brown        0 levels of fill
36c4762a1bSJed Brown        tolerance for zero pivot 1e-12
37c4762a1bSJed Brown        using diagonal shift to prevent zero pivot [NONZERO]
38c4762a1bSJed Brown        matrix ordering: natural
39c4762a1bSJed Brown        factor fill ratio given 1., needed 1.
40c4762a1bSJed Brown          Factored matrix follows:
41c4762a1bSJed Brown            Mat Object: 1 MPI processes
42c4762a1bSJed Brown              type: seqaij
43c4762a1bSJed Brown              rows=4, cols=4
44c4762a1bSJed Brown              package used to perform factorization: petsc
45c4762a1bSJed Brown              total: nonzeros=12, allocated nonzeros=12
46c4762a1bSJed Brown                not using I-node routines
47c4762a1bSJed Brown      linear system matrix = precond matrix:
48*793a3527SPierre Jolivet      Mat Object: (sub_) 1 MPI processes
49c4762a1bSJed Brown        type: seqaij
50c4762a1bSJed Brown        rows=4, cols=4
51c4762a1bSJed Brown        total: nonzeros=12, allocated nonzeros=12
52c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
53c4762a1bSJed Brown          not using I-node routines
54c4762a1bSJed Brown    linear system matrix = precond matrix:
55c4762a1bSJed Brown    Mat Object: 4 MPI processes
56c4762a1bSJed Brown      type: mpiaij
57c4762a1bSJed Brown      rows=16, cols=16
58c4762a1bSJed Brown      total: nonzeros=64, allocated nonzeros=64
59c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
60c4762a1bSJed Brown        Mat Object: 4 MPI processes
61c4762a1bSJed Brown          type: mpiaij
62c4762a1bSJed Brown          rows=16, cols=16
63c4762a1bSJed Brown          total: nonzeros=64, allocated nonzeros=64
64c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
65c4762a1bSJed Brown            not using I-node (on process 0) routines
66c4762a1bSJed BrownNumber of SNES iterations = 4
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