xref: /petsc/src/snes/tutorials/output/ex22_1_alt_2.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
1c4762a1bSJed Brown      Linear solve converged due to CONVERGED_RTOL iterations 12
2c4762a1bSJed Brown      Linear solve converged due to CONVERGED_RTOL iterations 12
3c4762a1bSJed Brown    Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 2
4c4762a1bSJed Brown    Linear solve converged due to CONVERGED_RTOL iterations 8
5c4762a1bSJed Brown    Linear solve converged due to CONVERGED_RTOL iterations 8
6c4762a1bSJed Brown  Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 2
7c4762a1bSJed Brown  Linear solve converged due to CONVERGED_RTOL iterations 8
857ccd2a6SSatish Balay  Linear solve converged due to CONVERGED_RTOL iterations 8
9c4762a1bSJed BrownNonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 2
10c4762a1bSJed BrownSNES Object: 2 MPI processes
11c4762a1bSJed Brown  type: newtonls
12c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
13c4762a1bSJed Brown  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
1457ccd2a6SSatish Balay  total number of linear solver iterations=16
1557ccd2a6SSatish Balay  total number of function evaluations=729
16c4762a1bSJed Brown  norm schedule ALWAYS
17c4762a1bSJed Brown  total number of grid sequence refinements=2
18c4762a1bSJed Brown  SNESLineSearch Object: 2 MPI processes
19c4762a1bSJed Brown    type: bt
20c4762a1bSJed Brown      interpolation: cubic
21c4762a1bSJed Brown      alpha=1.000000e-04
22a99ef635SJonas Heinzmann    maxlambda=1.000000e+00, minlambda=1.000000e-12
23c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
24c4762a1bSJed Brown    maximum iterations=40
25c4762a1bSJed Brown  KSP Object: 2 MPI processes
26c4762a1bSJed Brown    type: fgmres
27f971d498SPierre Jolivet      restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
28*143f2514SPierre Jolivet      happy breakdown tolerance=1e-30
29c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
30c4762a1bSJed Brown    tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
31c4762a1bSJed Brown    right preconditioning
32c4762a1bSJed Brown    using UNPRECONDITIONED norm type for convergence test
33c4762a1bSJed Brown  PC Object: 2 MPI processes
34c4762a1bSJed Brown    type: mg
35c4762a1bSJed Brown      type is FULL, levels=3 cycles=v
36c4762a1bSJed Brown        Not using Galerkin computed coarse grid matrices
3763a3b9bcSJacob Faibussowitsch    Coarse grid solver -- level 0 -------------------------------
38c4762a1bSJed Brown      KSP Object: (mg_coarse_) 2 MPI processes
39c4762a1bSJed Brown        type: gmres
40f971d498SPierre Jolivet          restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
41*143f2514SPierre Jolivet          happy breakdown tolerance=1e-30
42c4762a1bSJed Brown        maximum iterations=6, initial guess is zero
43c4762a1bSJed Brown        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
44c4762a1bSJed Brown        left preconditioning
45c4762a1bSJed Brown        using PRECONDITIONED norm type for convergence test
46c4762a1bSJed Brown      PC Object: (mg_coarse_) 2 MPI processes
47c4762a1bSJed Brown        type: none
48ecf3d421SBarry Smith        linear system matrix, which is also used to construct the preconditioner:
49c4762a1bSJed Brown        Mat Object: 2 MPI processes
50c4762a1bSJed Brown          type: mffd
51c4762a1bSJed Brown          rows=21, cols=21
52c4762a1bSJed Brown            Matrix-free approximation:
5357ccd2a6SSatish Balay              err=1.38778e-17 (relative error in function evaluation)
54c4762a1bSJed Brown              Using wp compute h routine
55c4762a1bSJed Brown                  Does not compute normU
56c4762a1bSJed Brown    Down solver (pre-smoother) on level 1 -------------------------------
57c4762a1bSJed Brown      KSP Object: (mg_levels_1_) 2 MPI processes
58c4762a1bSJed Brown        type: gmres
59f971d498SPierre Jolivet          restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
60*143f2514SPierre Jolivet          happy breakdown tolerance=1e-30
61c4762a1bSJed Brown        maximum iterations=3, nonzero initial guess
62c4762a1bSJed Brown        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
63c4762a1bSJed Brown        left preconditioning
648405740aSBarry Smith        not checking for convergence
65c4762a1bSJed Brown      PC Object: (mg_levels_1_) 2 MPI processes
66c4762a1bSJed Brown        type: none
67ecf3d421SBarry Smith        linear system matrix, which is also used to construct the preconditioner:
68c4762a1bSJed Brown        Mat Object: 2 MPI processes
69c4762a1bSJed Brown          type: mffd
70c4762a1bSJed Brown          rows=39, cols=39
71c4762a1bSJed Brown            Matrix-free approximation:
7257ccd2a6SSatish Balay              err=1.38778e-17 (relative error in function evaluation)
73c4762a1bSJed Brown              Using wp compute h routine
74c4762a1bSJed Brown                  Does not compute normU
75c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
76c4762a1bSJed Brown    Down solver (pre-smoother) on level 2 -------------------------------
77c4762a1bSJed Brown      KSP Object: (mg_levels_2_) 2 MPI processes
78c4762a1bSJed Brown        type: gmres
79f971d498SPierre Jolivet          restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
80*143f2514SPierre Jolivet          happy breakdown tolerance=1e-30
81c4762a1bSJed Brown        maximum iterations=3, nonzero initial guess
82c4762a1bSJed Brown        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
83c4762a1bSJed Brown        left preconditioning
848405740aSBarry Smith        not checking for convergence
85c4762a1bSJed Brown      PC Object: (mg_levels_2_) 2 MPI processes
86c4762a1bSJed Brown        type: none
87ecf3d421SBarry Smith        linear system matrix, which is also used to construct the preconditioner:
88c4762a1bSJed Brown        Mat Object: 2 MPI processes
89c4762a1bSJed Brown          type: mffd
90c4762a1bSJed Brown          rows=75, cols=75
91c4762a1bSJed Brown            Matrix-free approximation:
9257ccd2a6SSatish Balay              err=1.38778e-17 (relative error in function evaluation)
93c4762a1bSJed Brown              Using wp compute h routine
94c4762a1bSJed Brown                  Does not compute normU
95c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
96ecf3d421SBarry Smith    linear system matrix, which is also used to construct the preconditioner:
97c4762a1bSJed Brown    Mat Object: 2 MPI processes
98c4762a1bSJed Brown      type: mffd
99c4762a1bSJed Brown      rows=75, cols=75
100c4762a1bSJed Brown        Matrix-free approximation:
10157ccd2a6SSatish Balay          err=1.38778e-17 (relative error in function evaluation)
102c4762a1bSJed Brown          Using wp compute h routine
103c4762a1bSJed Brown              Does not compute normU
104