xref: /petsc/src/snes/tutorials/output/ex19_bcgsl.out (revision 793a3527f7f9b48b2117473bf24a35e19d9d5c47)
1c4762a1bSJed Brownlid velocity = 0.00591716, prandtl # = 1., grashof # = 1.
2c4762a1bSJed Brown    0 KSP Residual norm 0.22318
3c4762a1bSJed Brown    3 KSP Residual norm 0.0397558
4c4762a1bSJed Brown    6 KSP Residual norm 0.000417387
5c4762a1bSJed Brown    9 KSP Residual norm 2.72144e-05
6c4762a1bSJed Brown   12 KSP Residual norm 2.60861e-06
7c4762a1bSJed Brown   15 KSP Residual norm 1.0556e-07
8c4762a1bSJed Brown    0 KSP Residual norm 6.21497e-06
9c4762a1bSJed Brown    3 KSP Residual norm 4.01807e-07
10c4762a1bSJed Brown    6 KSP Residual norm 3.02758e-08
11c4762a1bSJed Brown    9 KSP Residual norm 5.54048e-09
12c4762a1bSJed Brown   12 KSP Residual norm 1.540e-10
13c4762a1bSJed Brown   15 KSP Residual norm 2.084e-11
14c4762a1bSJed BrownSNES Object: 2 MPI processes
15c4762a1bSJed Brown  type: newtonls
16c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
17c4762a1bSJed Brown  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
18c4762a1bSJed Brown  total number of linear solver iterations=30
19c4762a1bSJed Brown  total number of function evaluations=3
20c4762a1bSJed Brown  norm schedule ALWAYS
21c4762a1bSJed Brown  Jacobian is built using colored finite differences on a DMDA
22c4762a1bSJed Brown  SNESLineSearch Object: 2 MPI processes
23c4762a1bSJed Brown    type: bt
24c4762a1bSJed Brown      interpolation: cubic
25c4762a1bSJed Brown      alpha=1.000000e-04
26c4762a1bSJed Brown    maxstep=1.000000e+08, minlambda=1.000000e-12
27c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
28c4762a1bSJed Brown    maximum iterations=40
29c4762a1bSJed Brown  KSP Object: 2 MPI processes
30c4762a1bSJed Brown    type: bcgsl
31c4762a1bSJed Brown      Ell = 3
32c4762a1bSJed Brown      Delta = 0
33c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
34c4762a1bSJed Brown    tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
35c4762a1bSJed Brown    left preconditioning
36c4762a1bSJed Brown    using PRECONDITIONED norm type for convergence test
37c4762a1bSJed Brown  PC Object: 2 MPI processes
38c4762a1bSJed Brown    type: bjacobi
39c4762a1bSJed Brown      number of blocks = 2
408d76b567SPatrick Sanan      Local solver is the same for all blocks, as in the following KSP and PC objects on rank 0:
41c4762a1bSJed Brown    KSP Object: (sub_) 1 MPI processes
42c4762a1bSJed Brown      type: preonly
43c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
44c4762a1bSJed Brown      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
45c4762a1bSJed Brown      left preconditioning
46c4762a1bSJed Brown      using NONE norm type for convergence test
47c4762a1bSJed Brown    PC Object: (sub_) 1 MPI processes
48c4762a1bSJed Brown      type: ilu
49c4762a1bSJed Brown        out-of-place factorization
50c4762a1bSJed Brown        0 levels of fill
51c4762a1bSJed Brown        tolerance for zero pivot 2.22045e-14
52c4762a1bSJed Brown        matrix ordering: natural
53c4762a1bSJed Brown        factor fill ratio given 1., needed 1.
54c4762a1bSJed Brown          Factored matrix follows:
55c4762a1bSJed Brown            Mat Object: 1 MPI processes
56c4762a1bSJed Brown              type: seqaij
57c4762a1bSJed Brown              rows=364, cols=364, bs=4
58c4762a1bSJed Brown              package used to perform factorization: petsc
59c4762a1bSJed Brown              total: nonzeros=6640, allocated nonzeros=6640
60c4762a1bSJed Brown                using I-node routines: found 91 nodes, limit used is 5
61c4762a1bSJed Brown      linear system matrix = precond matrix:
62*793a3527SPierre Jolivet      Mat Object: (sub_) 1 MPI processes
63c4762a1bSJed Brown        type: seqaij
64c4762a1bSJed Brown        rows=364, cols=364, bs=4
65c4762a1bSJed Brown        total: nonzeros=6640, allocated nonzeros=6640
66c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
67c4762a1bSJed Brown          using I-node routines: found 91 nodes, limit used is 5
68c4762a1bSJed Brown    linear system matrix = precond matrix:
69c4762a1bSJed Brown    Mat Object: 2 MPI processes
70c4762a1bSJed Brown      type: mpiaij
71c4762a1bSJed Brown      rows=676, cols=676, bs=4
72c4762a1bSJed Brown      total: nonzeros=12688, allocated nonzeros=12688
73c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
74c4762a1bSJed BrownNumber of SNES iterations = 2
75