xref: /petsc/src/snes/tutorials/output/ex19_bcgsl.out (revision c4762a1b19cd2af06abeed90e8f9d34fb975dd94)
1*c4762a1bSJed Brownlid velocity = 0.00591716, prandtl # = 1., grashof # = 1.
2*c4762a1bSJed Brown    0 KSP Residual norm 0.22318
3*c4762a1bSJed Brown    3 KSP Residual norm 0.0397558
4*c4762a1bSJed Brown    6 KSP Residual norm 0.000417387
5*c4762a1bSJed Brown    9 KSP Residual norm 2.72144e-05
6*c4762a1bSJed Brown   12 KSP Residual norm 2.60861e-06
7*c4762a1bSJed Brown   15 KSP Residual norm 1.0556e-07
8*c4762a1bSJed Brown    0 KSP Residual norm 6.21497e-06
9*c4762a1bSJed Brown    3 KSP Residual norm 4.01807e-07
10*c4762a1bSJed Brown    6 KSP Residual norm 3.02758e-08
11*c4762a1bSJed Brown    9 KSP Residual norm 5.54048e-09
12*c4762a1bSJed Brown   12 KSP Residual norm 1.540e-10
13*c4762a1bSJed Brown   15 KSP Residual norm 2.084e-11
14*c4762a1bSJed BrownSNES Object: 2 MPI processes
15*c4762a1bSJed Brown  type: newtonls
16*c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
17*c4762a1bSJed Brown  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
18*c4762a1bSJed Brown  total number of linear solver iterations=30
19*c4762a1bSJed Brown  total number of function evaluations=3
20*c4762a1bSJed Brown  norm schedule ALWAYS
21*c4762a1bSJed Brown  Jacobian is built using colored finite differences on a DMDA
22*c4762a1bSJed Brown  SNESLineSearch Object: 2 MPI processes
23*c4762a1bSJed Brown    type: bt
24*c4762a1bSJed Brown      interpolation: cubic
25*c4762a1bSJed Brown      alpha=1.000000e-04
26*c4762a1bSJed Brown    maxstep=1.000000e+08, minlambda=1.000000e-12
27*c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
28*c4762a1bSJed Brown    maximum iterations=40
29*c4762a1bSJed Brown  KSP Object: 2 MPI processes
30*c4762a1bSJed Brown    type: bcgsl
31*c4762a1bSJed Brown      Ell = 3
32*c4762a1bSJed Brown      Delta = 0
33*c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
34*c4762a1bSJed Brown    tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
35*c4762a1bSJed Brown    left preconditioning
36*c4762a1bSJed Brown    using PRECONDITIONED norm type for convergence test
37*c4762a1bSJed Brown  PC Object: 2 MPI processes
38*c4762a1bSJed Brown    type: bjacobi
39*c4762a1bSJed Brown      number of blocks = 2
40*c4762a1bSJed Brown      Local solve is same for all blocks, in the following KSP and PC objects:
41*c4762a1bSJed Brown    KSP Object: (sub_) 1 MPI processes
42*c4762a1bSJed Brown      type: preonly
43*c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
44*c4762a1bSJed Brown      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
45*c4762a1bSJed Brown      left preconditioning
46*c4762a1bSJed Brown      using NONE norm type for convergence test
47*c4762a1bSJed Brown    PC Object: (sub_) 1 MPI processes
48*c4762a1bSJed Brown      type: ilu
49*c4762a1bSJed Brown        out-of-place factorization
50*c4762a1bSJed Brown        0 levels of fill
51*c4762a1bSJed Brown        tolerance for zero pivot 2.22045e-14
52*c4762a1bSJed Brown        matrix ordering: natural
53*c4762a1bSJed Brown        factor fill ratio given 1., needed 1.
54*c4762a1bSJed Brown          Factored matrix follows:
55*c4762a1bSJed Brown            Mat Object: 1 MPI processes
56*c4762a1bSJed Brown              type: seqaij
57*c4762a1bSJed Brown              rows=364, cols=364, bs=4
58*c4762a1bSJed Brown              package used to perform factorization: petsc
59*c4762a1bSJed Brown              total: nonzeros=6640, allocated nonzeros=6640
60*c4762a1bSJed Brown              total number of mallocs used during MatSetValues calls=0
61*c4762a1bSJed Brown                using I-node routines: found 91 nodes, limit used is 5
62*c4762a1bSJed Brown      linear system matrix = precond matrix:
63*c4762a1bSJed Brown      Mat Object: 1 MPI processes
64*c4762a1bSJed Brown        type: seqaij
65*c4762a1bSJed Brown        rows=364, cols=364, bs=4
66*c4762a1bSJed Brown        total: nonzeros=6640, allocated nonzeros=6640
67*c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
68*c4762a1bSJed Brown          using I-node routines: found 91 nodes, limit used is 5
69*c4762a1bSJed Brown    linear system matrix = precond matrix:
70*c4762a1bSJed Brown    Mat Object: 2 MPI processes
71*c4762a1bSJed Brown      type: mpiaij
72*c4762a1bSJed Brown      rows=676, cols=676, bs=4
73*c4762a1bSJed Brown      total: nonzeros=12688, allocated nonzeros=12688
74*c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
75*c4762a1bSJed BrownNumber of SNES iterations = 2
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