xref: /petsc/src/snes/tutorials/output/ex19_ibcgs.out (revision c4762a1b19cd2af06abeed90e8f9d34fb975dd94)
1lid velocity = 0.00591716, prandtl # = 1., grashof # = 1.
2    0 KSP Residual norm 0.22318
3    1 KSP Residual norm 0.0399771
4    2 KSP Residual norm 0.0263924
5    3 KSP Residual norm 0.0415116
6    4 KSP Residual norm 0.00334741
7    5 KSP Residual norm 0.00188077
8    6 KSP Residual norm 0.000591979
9    7 KSP Residual norm 0.000847763
10    8 KSP Residual norm 9.09501e-05
11    9 KSP Residual norm 4.07915e-05
12   10 KSP Residual norm 1.45997e-05
13   11 KSP Residual norm 2.32689e-05
14   12 KSP Residual norm 3.48513e-06
15   13 KSP Residual norm 4.00787e-06
16   14 KSP Residual norm 2.49517e-07
17    0 KSP Residual norm 6.24163e-06
18    1 KSP Residual norm 1.89562e-06
19    2 KSP Residual norm 9.1461e-07
20    3 KSP Residual norm 4.2732e-07
21    4 KSP Residual norm 4.10552e-07
22    5 KSP Residual norm 7.36292e-08
23    6 KSP Residual norm 4.22272e-08
24    7 KSP Residual norm 2.60372e-08
25    8 KSP Residual norm 1.40502e-08
26    9 KSP Residual norm 8.34563e-09
27   10 KSP Residual norm 9.87196e-09
28   11 KSP Residual norm 1.52953e-09
29   12 KSP Residual norm 2.726e-10
30   13 KSP Residual norm 2.133e-10
31   14 KSP Residual norm 9.213e-11
32   15 KSP Residual norm 7.141e-11
33   16 KSP Residual norm 3.286e-11
34SNES Object: 2 MPI processes
35  type: newtonls
36  maximum iterations=50, maximum function evaluations=10000
37  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
38  total number of linear solver iterations=30
39  total number of function evaluations=3
40  norm schedule ALWAYS
41  Jacobian is built using colored finite differences on a DMDA
42  SNESLineSearch Object: 2 MPI processes
43    type: bt
44      interpolation: cubic
45      alpha=1.000000e-04
46    maxstep=1.000000e+08, minlambda=1.000000e-12
47    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
48    maximum iterations=40
49  KSP Object: 2 MPI processes
50    type: ibcgs
51    maximum iterations=10000, initial guess is zero
52    tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
53    left preconditioning
54    using PRECONDITIONED norm type for convergence test
55  PC Object: 2 MPI processes
56    type: bjacobi
57      number of blocks = 2
58      Local solve is same for all blocks, in the following KSP and PC objects:
59    KSP Object: (sub_) 1 MPI processes
60      type: preonly
61      maximum iterations=10000, initial guess is zero
62      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
63      left preconditioning
64      using NONE norm type for convergence test
65    PC Object: (sub_) 1 MPI processes
66      type: ilu
67        out-of-place factorization
68        0 levels of fill
69        tolerance for zero pivot 2.22045e-14
70        matrix ordering: natural
71        factor fill ratio given 1., needed 1.
72          Factored matrix follows:
73            Mat Object: 1 MPI processes
74              type: seqaij
75              rows=364, cols=364, bs=4
76              package used to perform factorization: petsc
77              total: nonzeros=6640, allocated nonzeros=6640
78              total number of mallocs used during MatSetValues calls=0
79                using I-node routines: found 91 nodes, limit used is 5
80      linear system matrix = precond matrix:
81      Mat Object: 1 MPI processes
82        type: seqaij
83        rows=364, cols=364, bs=4
84        total: nonzeros=6640, allocated nonzeros=6640
85        total number of mallocs used during MatSetValues calls=0
86          using I-node routines: found 91 nodes, limit used is 5
87    linear system matrix = precond matrix:
88    Mat Object: 2 MPI processes
89      type: mpiaij
90      rows=676, cols=676, bs=4
91      total: nonzeros=12688, allocated nonzeros=12688
92      total number of mallocs used during MatSetValues calls=0
93Number of SNES iterations = 2
94