xref: /petsc/src/snes/tutorials/output/ex22_1.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
1      Linear solve converged due to CONVERGED_RTOL iterations 12
2      Linear solve converged due to CONVERGED_RTOL iterations 12
3    Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 2
4    Linear solve converged due to CONVERGED_RTOL iterations 8
5    Linear solve converged due to CONVERGED_RTOL iterations 8
6  Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 2
7  Linear solve converged due to CONVERGED_RTOL iterations 8
8  Linear solve converged due to CONVERGED_RTOL iterations 7
9Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 2
10SNES Object: 2 MPI processes
11  type: newtonls
12  maximum iterations=50, maximum function evaluations=10000
13  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
14  total number of linear solver iterations=15
15  total number of function evaluations=684
16  norm schedule ALWAYS
17  total number of grid sequence refinements=2
18  SNESLineSearch Object: 2 MPI processes
19    type: bt
20      interpolation: cubic
21      alpha=1.000000e-04
22    maxlambda=1.000000e+00, minlambda=1.000000e-12
23    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
24    maximum iterations=40
25  KSP Object: 2 MPI processes
26    type: fgmres
27      restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
28      happy breakdown tolerance=1e-30
29    maximum iterations=10000, initial guess is zero
30    tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
31    right preconditioning
32    using UNPRECONDITIONED norm type for convergence test
33  PC Object: 2 MPI processes
34    type: mg
35      type is FULL, levels=3 cycles=v
36        Not using Galerkin computed coarse grid matrices
37    Coarse grid solver -- level 0 -------------------------------
38      KSP Object: (mg_coarse_) 2 MPI processes
39        type: gmres
40          restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
41          happy breakdown tolerance=1e-30
42        maximum iterations=6, initial guess is zero
43        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
44        left preconditioning
45        using PRECONDITIONED norm type for convergence test
46      PC Object: (mg_coarse_) 2 MPI processes
47        type: none
48        linear system matrix, which is also used to construct the preconditioner:
49        Mat Object: 2 MPI processes
50          type: mffd
51          rows=21, cols=21
52            Matrix-free approximation:
53              err=1.49012e-08 (relative error in function evaluation)
54              Using wp compute h routine
55                  Does not compute normU
56    Down solver (pre-smoother) on level 1 -------------------------------
57      KSP Object: (mg_levels_1_) 2 MPI processes
58        type: gmres
59          restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
60          happy breakdown tolerance=1e-30
61        maximum iterations=3, nonzero initial guess
62        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
63        left preconditioning
64        not checking for convergence
65      PC Object: (mg_levels_1_) 2 MPI processes
66        type: none
67        linear system matrix, which is also used to construct the preconditioner:
68        Mat Object: 2 MPI processes
69          type: mffd
70          rows=39, cols=39
71            Matrix-free approximation:
72              err=1.49012e-08 (relative error in function evaluation)
73              Using wp compute h routine
74                  Does not compute normU
75    Up solver (post-smoother) same as down solver (pre-smoother)
76    Down solver (pre-smoother) on level 2 -------------------------------
77      KSP Object: (mg_levels_2_) 2 MPI processes
78        type: gmres
79          restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
80          happy breakdown tolerance=1e-30
81        maximum iterations=3, nonzero initial guess
82        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
83        left preconditioning
84        not checking for convergence
85      PC Object: (mg_levels_2_) 2 MPI processes
86        type: none
87        linear system matrix, which is also used to construct the preconditioner:
88        Mat Object: 2 MPI processes
89          type: mffd
90          rows=75, cols=75
91            Matrix-free approximation:
92              err=1.49012e-08 (relative error in function evaluation)
93              Using wp compute h routine
94                  Does not compute normU
95    Up solver (post-smoother) same as down solver (pre-smoother)
96    linear system matrix, which is also used to construct the preconditioner:
97    Mat Object: 2 MPI processes
98      type: mffd
99      rows=75, cols=75
100        Matrix-free approximation:
101          err=1.49012e-08 (relative error in function evaluation)
102          Using wp compute h routine
103              Does not compute normU
104