xref: /petsc/src/snes/tutorials/output/ex46_1.out (revision 26cc229b24afffee8e9a203ddc8754b40d660fc7)
1c4762a1bSJed Brown  0 SNES Function norm 0.146402
2c4762a1bSJed Brown  1 SNES Function norm 0.00120796
3c4762a1bSJed Brown  2 SNES Function norm 8.07655e-08
4c4762a1bSJed Brown  3 SNES Function norm < 1.e-11
58cc725e6SPierre JolivetSNES Object: 1 MPI process
6c4762a1bSJed Brown  type: newtonls
7c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
8c4762a1bSJed Brown  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
9c4762a1bSJed Brown  total number of linear solver iterations=6
10c4762a1bSJed Brown  total number of function evaluations=4
11c4762a1bSJed Brown  norm schedule ALWAYS
12c4762a1bSJed Brown  Jacobian is built using colored finite differences on a DMDA
138cc725e6SPierre Jolivet  SNESLineSearch Object: 1 MPI process
14c4762a1bSJed Brown    type: bt
15c4762a1bSJed Brown      interpolation: cubic
16c4762a1bSJed Brown      alpha=1.000000e-04
17c4762a1bSJed Brown    maxstep=1.000000e+08, minlambda=1.000000e-12
18c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
19c4762a1bSJed Brown    maximum iterations=40
208cc725e6SPierre Jolivet  KSP Object: 1 MPI process
21c4762a1bSJed Brown    type: fgmres
22c4762a1bSJed Brown      restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
23c4762a1bSJed Brown      happy breakdown tolerance 1e-30
24c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
25c4762a1bSJed Brown    tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
26c4762a1bSJed Brown    right preconditioning
27c4762a1bSJed Brown    using UNPRECONDITIONED norm type for convergence test
288cc725e6SPierre Jolivet  PC Object: 1 MPI process
29c4762a1bSJed Brown    type: mg
30c4762a1bSJed Brown      type is FULL, levels=2 cycles=v
31c4762a1bSJed Brown        Not using Galerkin computed coarse grid matrices
3263a3b9bcSJacob Faibussowitsch    Coarse grid solver -- level 0 -------------------------------
338cc725e6SPierre Jolivet      KSP Object: (mg_coarse_) 1 MPI process
34c4762a1bSJed Brown        type: preonly
35c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
36c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
37c4762a1bSJed Brown        left preconditioning
38c4762a1bSJed Brown        using NONE norm type for convergence test
398cc725e6SPierre Jolivet      PC Object: (mg_coarse_) 1 MPI process
40c4762a1bSJed Brown        type: lu
41c4762a1bSJed Brown          out-of-place factorization
42c4762a1bSJed Brown          tolerance for zero pivot 2.22045e-14
43c4762a1bSJed Brown          using diagonal shift on blocks to prevent zero pivot [INBLOCKS]
44c4762a1bSJed Brown          matrix ordering: nd
45c4762a1bSJed Brown          factor fill ratio given 5., needed 1.875
46c4762a1bSJed Brown            Factored matrix follows:
47*26cc229bSBarry Smith              Mat Object: (mg_coarse_) 1 MPI process
48c4762a1bSJed Brown                type: seqaij
49c4762a1bSJed Brown                rows=16, cols=16
50c4762a1bSJed Brown                package used to perform factorization: petsc
51c4762a1bSJed Brown                total: nonzeros=120, allocated nonzeros=120
52c4762a1bSJed Brown                  using I-node routines: found 12 nodes, limit used is 5
53c4762a1bSJed Brown        linear system matrix = precond matrix:
54*26cc229bSBarry Smith        Mat Object: 1 MPI process
55c4762a1bSJed Brown          type: seqaij
56c4762a1bSJed Brown          rows=16, cols=16
57c4762a1bSJed Brown          total: nonzeros=64, allocated nonzeros=64
58c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
59c4762a1bSJed Brown            not using I-node routines
60c4762a1bSJed Brown    Down solver (pre-smoother) on level 1 -------------------------------
618cc725e6SPierre Jolivet      KSP Object: (mg_levels_1_) 1 MPI process
62c4762a1bSJed Brown        type: chebyshev
6373f7197eSJed Brown          eigenvalue targets used: min 0.5, max 1.1
6473f7197eSJed Brown          eigenvalues estimated via gmres: min 0.38553, max 0.999999
6573f7197eSJed Brown          eigenvalues estimated using gmres with transform: [0. 0.5; 0. 1.1]
668cc725e6SPierre Jolivet          KSP Object: (mg_levels_1_esteig_) 1 MPI process
67c4762a1bSJed Brown            type: gmres
68c4762a1bSJed Brown              restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
69c4762a1bSJed Brown              happy breakdown tolerance 1e-30
70c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
71c4762a1bSJed Brown            tolerances:  relative=1e-12, absolute=1e-50, divergence=10000.
72c4762a1bSJed Brown            left preconditioning
73c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
74c4762a1bSJed Brown          estimating eigenvalues using noisy right hand side
75c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
76c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
77c4762a1bSJed Brown        left preconditioning
78c4762a1bSJed Brown        using NONE norm type for convergence test
798cc725e6SPierre Jolivet      PC Object: (mg_levels_1_) 1 MPI process
80c4762a1bSJed Brown        type: sor
81c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
82c4762a1bSJed Brown        linear system matrix = precond matrix:
838cc725e6SPierre Jolivet        Mat Object: 1 MPI process
84c4762a1bSJed Brown          type: seqaij
85c4762a1bSJed Brown          rows=49, cols=49
86c4762a1bSJed Brown          total: nonzeros=217, allocated nonzeros=217
87c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
88c4762a1bSJed Brown            not using I-node routines
89c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
90c4762a1bSJed Brown    linear system matrix = precond matrix:
918cc725e6SPierre Jolivet    Mat Object: 1 MPI process
92c4762a1bSJed Brown      type: seqaij
93c4762a1bSJed Brown      rows=49, cols=49
94c4762a1bSJed Brown      total: nonzeros=217, allocated nonzeros=217
95c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
96c4762a1bSJed Brown        not using I-node routines
97c4762a1bSJed BrownNumber of SNES iterations = 3
98