xref: /petsc/src/snes/tutorials/output/ex18_1.out (revision 26cc229b24afffee8e9a203ddc8754b40d660fc7)
18cc725e6SPierre JolivetSNES Object: 1 MPI process
2c4762a1bSJed Brown  type: newtonls
3c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
4c4762a1bSJed Brown  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
5c4762a1bSJed Brown  total number of linear solver iterations=24
6c4762a1bSJed Brown  total number of function evaluations=7
7c4762a1bSJed Brown  norm schedule ALWAYS
88cc725e6SPierre Jolivet  SNESLineSearch Object: 1 MPI process
9c4762a1bSJed Brown    type: bt
10c4762a1bSJed Brown      interpolation: cubic
11c4762a1bSJed Brown      alpha=1.000000e-04
12c4762a1bSJed Brown    maxstep=1.000000e+08, minlambda=1.000000e-12
13c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
14c4762a1bSJed Brown    maximum iterations=40
158cc725e6SPierre Jolivet  KSP Object: 1 MPI process
16c4762a1bSJed Brown    type: fgmres
17c4762a1bSJed Brown      restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
18c4762a1bSJed Brown      happy breakdown tolerance 1e-30
19c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
20c4762a1bSJed Brown    tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
21c4762a1bSJed Brown    right preconditioning
22c4762a1bSJed Brown    using UNPRECONDITIONED norm type for convergence test
238cc725e6SPierre Jolivet  PC Object: 1 MPI process
24c4762a1bSJed Brown    type: mg
25c4762a1bSJed Brown      type is MULTIPLICATIVE, levels=3 cycles=v
26c4762a1bSJed Brown        Cycles per PCApply=1
27c4762a1bSJed Brown        Using Galerkin computed coarse grid matrices for pmat
2863a3b9bcSJacob Faibussowitsch    Coarse grid solver -- level 0 -------------------------------
298cc725e6SPierre Jolivet      KSP Object: (mg_coarse_) 1 MPI process
30c4762a1bSJed Brown        type: preonly
31c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
32c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
33c4762a1bSJed Brown        left preconditioning
34c4762a1bSJed Brown        using NONE norm type for convergence test
358cc725e6SPierre Jolivet      PC Object: (mg_coarse_) 1 MPI process
36c4762a1bSJed Brown        type: lu
37c4762a1bSJed Brown          out-of-place factorization
38c4762a1bSJed Brown          tolerance for zero pivot 2.22045e-14
39c4762a1bSJed Brown          using diagonal shift on blocks to prevent zero pivot [INBLOCKS]
40c4762a1bSJed Brown          matrix ordering: nd
41c4762a1bSJed Brown          factor fill ratio given 5., needed 1.59172
42c4762a1bSJed Brown            Factored matrix follows:
43*26cc229bSBarry Smith              Mat Object: (mg_coarse_) 1 MPI process
44c4762a1bSJed Brown                type: seqaij
45c4762a1bSJed Brown                rows=25, cols=25
46c4762a1bSJed Brown                package used to perform factorization: petsc
47c4762a1bSJed Brown                total: nonzeros=269, allocated nonzeros=269
48c4762a1bSJed Brown                  using I-node routines: found 17 nodes, limit used is 5
49c4762a1bSJed Brown        linear system matrix = precond matrix:
50*26cc229bSBarry Smith        Mat Object: 1 MPI process
51c4762a1bSJed Brown          type: seqaij
52c4762a1bSJed Brown          rows=25, cols=25
53c4762a1bSJed Brown          total: nonzeros=169, allocated nonzeros=169
54c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
55c4762a1bSJed Brown            not using I-node routines
56c4762a1bSJed Brown    Down solver (pre-smoother) on level 1 -------------------------------
578cc725e6SPierre Jolivet      KSP Object: (mg_levels_1_) 1 MPI process
58c4762a1bSJed Brown        type: chebyshev
5973f7197eSJed Brown          eigenvalue targets used: min 0.0996438, max 1.09608
6073f7197eSJed Brown          eigenvalues estimated via gmres: min 0.139653, max 0.996438
6173f7197eSJed Brown          eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1]
628cc725e6SPierre Jolivet          KSP Object: (mg_levels_1_esteig_) 1 MPI process
63c4762a1bSJed Brown            type: gmres
64c4762a1bSJed Brown              restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
65c4762a1bSJed Brown              happy breakdown tolerance 1e-30
66c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
67c4762a1bSJed Brown            tolerances:  relative=1e-12, absolute=1e-50, divergence=10000.
68c4762a1bSJed Brown            left preconditioning
69c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
70c4762a1bSJed Brown          estimating eigenvalues using noisy right hand side
71c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
72c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
73c4762a1bSJed Brown        left preconditioning
74c4762a1bSJed Brown        using NONE norm type for convergence test
758cc725e6SPierre Jolivet      PC Object: (mg_levels_1_) 1 MPI process
76c4762a1bSJed Brown        type: sor
77c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
78c4762a1bSJed Brown        linear system matrix = precond matrix:
798cc725e6SPierre Jolivet        Mat Object: 1 MPI process
80c4762a1bSJed Brown          type: seqaij
81c4762a1bSJed Brown          rows=81, cols=81
82c4762a1bSJed Brown          total: nonzeros=625, allocated nonzeros=625
83c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
84c4762a1bSJed Brown            not using I-node routines
85c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
86c4762a1bSJed Brown    Down solver (pre-smoother) on level 2 -------------------------------
878cc725e6SPierre Jolivet      KSP Object: (mg_levels_2_) 1 MPI process
88c4762a1bSJed Brown        type: chebyshev
8973f7197eSJed Brown          eigenvalue targets used: min 0.0990486, max 1.08953
9073f7197eSJed Brown          eigenvalues estimated via gmres: min 0.0626846, max 0.990486
9173f7197eSJed Brown          eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1]
928cc725e6SPierre Jolivet          KSP Object: (mg_levels_2_esteig_) 1 MPI process
93c4762a1bSJed Brown            type: gmres
94c4762a1bSJed Brown              restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
95c4762a1bSJed Brown              happy breakdown tolerance 1e-30
96c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
97c4762a1bSJed Brown            tolerances:  relative=1e-12, absolute=1e-50, divergence=10000.
98c4762a1bSJed Brown            left preconditioning
99c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
100c4762a1bSJed Brown          estimating eigenvalues using noisy right hand side
101c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
102c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
103c4762a1bSJed Brown        left preconditioning
104c4762a1bSJed Brown        using NONE norm type for convergence test
1058cc725e6SPierre Jolivet      PC Object: (mg_levels_2_) 1 MPI process
106c4762a1bSJed Brown        type: sor
107c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
108c4762a1bSJed Brown        linear system matrix = precond matrix:
1098cc725e6SPierre Jolivet        Mat Object: 1 MPI process
110c4762a1bSJed Brown          type: seqaij
111c4762a1bSJed Brown          rows=289, cols=289
112c4762a1bSJed Brown          total: nonzeros=1377, allocated nonzeros=1377
113c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
114c4762a1bSJed Brown            not using I-node routines
115c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
116c4762a1bSJed Brown    linear system matrix = precond matrix:
1178cc725e6SPierre Jolivet    Mat Object: 1 MPI process
118c4762a1bSJed Brown      type: seqaij
119c4762a1bSJed Brown      rows=289, cols=289
120c4762a1bSJed Brown      total: nonzeros=1377, allocated nonzeros=1377
121c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
122c4762a1bSJed Brown        not using I-node routines
123c4762a1bSJed BrownNumber of SNES iterations = 6
124c4762a1bSJed BrownNumber of Linear iterations = 24
125c4762a1bSJed BrownAverage Linear its / SNES = 4.000000e+00
126