xref: /petsc/src/snes/tutorials/output/ex40f90_1.out (revision c4762a1b19cd2af06abeed90e8f9d34fb975dd94)
1*c4762a1bSJed Brown  0 SNES Function norm 53.7401
2*c4762a1bSJed Brown  1 SNES Function norm 21.1059
3*c4762a1bSJed Brown  2 SNES Function norm 1.48791
4*c4762a1bSJed Brown  3 SNES Function norm 0.0100216
5*c4762a1bSJed Brown  4 SNES Function norm 4.67469e-07
6*c4762a1bSJed BrownSNES Object: 1 MPI processes
7*c4762a1bSJed Brown  type: newtonls
8*c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
9*c4762a1bSJed Brown  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
10*c4762a1bSJed Brown  total number of linear solver iterations=4
11*c4762a1bSJed Brown  total number of function evaluations=22
12*c4762a1bSJed Brown  norm schedule ALWAYS
13*c4762a1bSJed Brown  Jacobian is built using colored finite differences on a DMDA
14*c4762a1bSJed Brown  SNESLineSearch Object: 1 MPI processes
15*c4762a1bSJed Brown    type: bt
16*c4762a1bSJed Brown      interpolation: cubic
17*c4762a1bSJed Brown      alpha=1.000000e-04
18*c4762a1bSJed Brown    maxstep=1.000000e+08, minlambda=1.000000e-12
19*c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
20*c4762a1bSJed Brown    maximum iterations=40
21*c4762a1bSJed Brown  KSP Object: 1 MPI processes
22*c4762a1bSJed Brown    type: fgmres
23*c4762a1bSJed Brown      restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
24*c4762a1bSJed Brown      happy breakdown tolerance 1e-30
25*c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
26*c4762a1bSJed Brown    tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
27*c4762a1bSJed Brown    right preconditioning
28*c4762a1bSJed Brown    using UNPRECONDITIONED norm type for convergence test
29*c4762a1bSJed Brown  PC Object: 1 MPI processes
30*c4762a1bSJed Brown    type: mg
31*c4762a1bSJed Brown      type is FULL, levels=2 cycles=v
32*c4762a1bSJed Brown        Using Galerkin computed coarse grid matrices for pmat
33*c4762a1bSJed Brown    Coarse grid solver -- level -------------------------------
34*c4762a1bSJed Brown      KSP Object: (mg_coarse_) 1 MPI processes
35*c4762a1bSJed Brown        type: preonly
36*c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
37*c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
38*c4762a1bSJed Brown        left preconditioning
39*c4762a1bSJed Brown        using NONE norm type for convergence test
40*c4762a1bSJed Brown      PC Object: (mg_coarse_) 1 MPI processes
41*c4762a1bSJed Brown        type: lu
42*c4762a1bSJed Brown          out-of-place factorization
43*c4762a1bSJed Brown          tolerance for zero pivot 2.22045e-14
44*c4762a1bSJed Brown          using diagonal shift on blocks to prevent zero pivot [INBLOCKS]
45*c4762a1bSJed Brown          matrix ordering: nd
46*c4762a1bSJed Brown          factor fill ratio given 5., needed 2.38265
47*c4762a1bSJed Brown            Factored matrix follows:
48*c4762a1bSJed Brown              Mat Object: 1 MPI processes
49*c4762a1bSJed Brown                type: seqaij
50*c4762a1bSJed Brown                rows=200, cols=200, bs=2
51*c4762a1bSJed Brown                package used to perform factorization: petsc
52*c4762a1bSJed Brown                total: nonzeros=7472, allocated nonzeros=7472
53*c4762a1bSJed Brown                total number of mallocs used during MatSetValues calls=0
54*c4762a1bSJed Brown                  using I-node routines: found 82 nodes, limit used is 5
55*c4762a1bSJed Brown        linear system matrix = precond matrix:
56*c4762a1bSJed Brown        Mat Object: 1 MPI processes
57*c4762a1bSJed Brown          type: seqaij
58*c4762a1bSJed Brown          rows=200, cols=200, bs=2
59*c4762a1bSJed Brown          total: nonzeros=3136, allocated nonzeros=0
60*c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
61*c4762a1bSJed Brown            using I-node routines: found 100 nodes, limit used is 5
62*c4762a1bSJed Brown    Down solver (pre-smoother) on level 1 -------------------------------
63*c4762a1bSJed Brown      KSP Object: (mg_levels_1_) 1 MPI processes
64*c4762a1bSJed Brown        type: chebyshev
65*c4762a1bSJed Brown          eigenvalue estimates used:  min = 0.1, max = 1.1
66*c4762a1bSJed Brown          eigenvalues estimate via gmres min 1., max 1.
67*c4762a1bSJed Brown          eigenvalues estimated using gmres with translations  [0. 0.1; 0. 1.1]
68*c4762a1bSJed Brown          KSP Object: (mg_levels_1_esteig_) 1 MPI processes
69*c4762a1bSJed Brown            type: gmres
70*c4762a1bSJed Brown              restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
71*c4762a1bSJed Brown              happy breakdown tolerance 1e-30
72*c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
73*c4762a1bSJed Brown            tolerances:  relative=1e-12, absolute=1e-50, divergence=10000.
74*c4762a1bSJed Brown            left preconditioning
75*c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
76*c4762a1bSJed Brown          estimating eigenvalues using noisy right hand side
77*c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
78*c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
79*c4762a1bSJed Brown        left preconditioning
80*c4762a1bSJed Brown        using NONE norm type for convergence test
81*c4762a1bSJed Brown      PC Object: (mg_levels_1_) 1 MPI processes
82*c4762a1bSJed Brown        type: sor
83*c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
84*c4762a1bSJed Brown        linear system matrix = precond matrix:
85*c4762a1bSJed Brown        Mat Object: 1 MPI processes
86*c4762a1bSJed Brown          type: seqaij
87*c4762a1bSJed Brown          rows=722, cols=722, bs=2
88*c4762a1bSJed Brown          total: nonzeros=12100, allocated nonzeros=12100
89*c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
90*c4762a1bSJed Brown            using I-node routines: found 361 nodes, limit used is 5
91*c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
92*c4762a1bSJed Brown    linear system matrix = precond matrix:
93*c4762a1bSJed Brown    Mat Object: 1 MPI processes
94*c4762a1bSJed Brown      type: seqaij
95*c4762a1bSJed Brown      rows=722, cols=722, bs=2
96*c4762a1bSJed Brown      total: nonzeros=12100, allocated nonzeros=12100
97*c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
98*c4762a1bSJed Brown        using I-node routines: found 361 nodes, limit used is 5
99