xref: /petsc/src/snes/tutorials/output/ex19_bcgsl.out (revision c4762a1b19cd2af06abeed90e8f9d34fb975dd94)
1lid velocity = 0.00591716, prandtl # = 1., grashof # = 1.
2    0 KSP Residual norm 0.22318
3    3 KSP Residual norm 0.0397558
4    6 KSP Residual norm 0.000417387
5    9 KSP Residual norm 2.72144e-05
6   12 KSP Residual norm 2.60861e-06
7   15 KSP Residual norm 1.0556e-07
8    0 KSP Residual norm 6.21497e-06
9    3 KSP Residual norm 4.01807e-07
10    6 KSP Residual norm 3.02758e-08
11    9 KSP Residual norm 5.54048e-09
12   12 KSP Residual norm 1.540e-10
13   15 KSP Residual norm 2.084e-11
14SNES Object: 2 MPI processes
15  type: newtonls
16  maximum iterations=50, maximum function evaluations=10000
17  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
18  total number of linear solver iterations=30
19  total number of function evaluations=3
20  norm schedule ALWAYS
21  Jacobian is built using colored finite differences on a DMDA
22  SNESLineSearch Object: 2 MPI processes
23    type: bt
24      interpolation: cubic
25      alpha=1.000000e-04
26    maxstep=1.000000e+08, minlambda=1.000000e-12
27    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
28    maximum iterations=40
29  KSP Object: 2 MPI processes
30    type: bcgsl
31      Ell = 3
32      Delta = 0
33    maximum iterations=10000, initial guess is zero
34    tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
35    left preconditioning
36    using PRECONDITIONED norm type for convergence test
37  PC Object: 2 MPI processes
38    type: bjacobi
39      number of blocks = 2
40      Local solve is same for all blocks, in the following KSP and PC objects:
41    KSP Object: (sub_) 1 MPI processes
42      type: preonly
43      maximum iterations=10000, initial guess is zero
44      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
45      left preconditioning
46      using NONE norm type for convergence test
47    PC Object: (sub_) 1 MPI processes
48      type: ilu
49        out-of-place factorization
50        0 levels of fill
51        tolerance for zero pivot 2.22045e-14
52        matrix ordering: natural
53        factor fill ratio given 1., needed 1.
54          Factored matrix follows:
55            Mat Object: 1 MPI processes
56              type: seqaij
57              rows=364, cols=364, bs=4
58              package used to perform factorization: petsc
59              total: nonzeros=6640, allocated nonzeros=6640
60              total number of mallocs used during MatSetValues calls=0
61                using I-node routines: found 91 nodes, limit used is 5
62      linear system matrix = precond matrix:
63      Mat Object: 1 MPI processes
64        type: seqaij
65        rows=364, cols=364, bs=4
66        total: nonzeros=6640, allocated nonzeros=6640
67        total number of mallocs used during MatSetValues calls=0
68          using I-node routines: found 91 nodes, limit used is 5
69    linear system matrix = precond matrix:
70    Mat Object: 2 MPI processes
71      type: mpiaij
72      rows=676, cols=676, bs=4
73      total: nonzeros=12688, allocated nonzeros=12688
74      total number of mallocs used during MatSetValues calls=0
75Number of SNES iterations = 2
76