xref: /petsc/src/snes/tutorials/output/ex5_4.out (revision c4762a1b19cd2af06abeed90e8f9d34fb975dd94)
1*c4762a1bSJed Brown      0 SNES Function norm 0.995735
2*c4762a1bSJed Brown      Linear solve converged due to CONVERGED_RTOL iterations 2
3*c4762a1bSJed Brown      1 SNES Function norm 0.276938
4*c4762a1bSJed Brown      Linear solve converged due to CONVERGED_RTOL iterations 2
5*c4762a1bSJed Brown      2 SNES Function norm 0.00668678
6*c4762a1bSJed Brown      Linear solve converged due to CONVERGED_RTOL iterations 2
7*c4762a1bSJed Brown      3 SNES Function norm 4.61503e-06
8*c4762a1bSJed Brown      Linear solve converged due to CONVERGED_RTOL iterations 2
9*c4762a1bSJed Brown      4 SNES Function norm < 1.e-11
10*c4762a1bSJed Brown    Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 4
11*c4762a1bSJed Brown    0 SNES Function norm 0.0763997
12*c4762a1bSJed Brown    Linear solve converged due to CONVERGED_RTOL iterations 6
13*c4762a1bSJed Brown    1 SNES Function norm 2.68503e-05
14*c4762a1bSJed Brown    Linear solve converged due to CONVERGED_RTOL iterations 5
15*c4762a1bSJed Brown    2 SNES Function norm 6.777e-10
16*c4762a1bSJed Brown  Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 2
17*c4762a1bSJed Brown  0 SNES Function norm 0.0408394
18*c4762a1bSJed Brown  Linear solve converged due to CONVERGED_RTOL iterations 6
19*c4762a1bSJed Brown  1 SNES Function norm 9.57612e-07
20*c4762a1bSJed Brown  Linear solve converged due to CONVERGED_RTOL iterations 4
21*c4762a1bSJed Brown  2 SNES Function norm 2.903e-10
22*c4762a1bSJed BrownNonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 2
23*c4762a1bSJed BrownSNES Object: 2 MPI processes
24*c4762a1bSJed Brown  type: newtonls
25*c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
26*c4762a1bSJed Brown  tolerances: relative=1e-08, absolute=-1., solution=1e-08
27*c4762a1bSJed Brown  total number of linear solver iterations=29
28*c4762a1bSJed Brown  total number of function evaluations=11
29*c4762a1bSJed Brown  norm schedule ALWAYS
30*c4762a1bSJed Brown  total number of grid sequence refinements=2
31*c4762a1bSJed Brown  Jacobian is built using a DMDA local Jacobian
32*c4762a1bSJed BrownSNESLineSearch Object: 2 MPI processes
33*c4762a1bSJed Brown    type: bt
34*c4762a1bSJed Brown      interpolation: cubic
35*c4762a1bSJed Brown      alpha=1.000000e-04
36*c4762a1bSJed Brown    maxstep=1.000000e+08, minlambda=1.000000e-12
37*c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
38*c4762a1bSJed Brown    maximum iterations=40
39*c4762a1bSJed Brown  KSP Object: 2 MPI processes
40*c4762a1bSJed Brown    type: gmres
41*c4762a1bSJed Brown      restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
42*c4762a1bSJed Brown      happy breakdown tolerance 1e-30
43*c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
44*c4762a1bSJed Brown    tolerances:  relative=1e-05, absolute=-1., divergence=10000.
45*c4762a1bSJed Brown    left preconditioning
46*c4762a1bSJed Brown    using PRECONDITIONED norm type for convergence test
47*c4762a1bSJed Brown  PC Object: 2 MPI processes
48*c4762a1bSJed Brown    type: mg
49*c4762a1bSJed Brown      type is MULTIPLICATIVE, levels=3 cycles=v
50*c4762a1bSJed Brown        Cycles per PCApply=1
51*c4762a1bSJed Brown        Not using Galerkin computed coarse grid matrices
52*c4762a1bSJed Brown    Coarse grid solver -- level -------------------------------
53*c4762a1bSJed Brown      KSP Object: (mg_coarse_) 2 MPI processes
54*c4762a1bSJed Brown        type: preonly
55*c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
56*c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
57*c4762a1bSJed Brown        left preconditioning
58*c4762a1bSJed Brown        using NONE norm type for convergence test
59*c4762a1bSJed Brown      PC Object: (mg_coarse_) 2 MPI processes
60*c4762a1bSJed Brown        type: redundant
61*c4762a1bSJed Brown          First (color=0) of 2 PCs follows
62*c4762a1bSJed Brown          KSP Object: (mg_coarse_redundant_) 1 MPI processes
63*c4762a1bSJed Brown            type: preonly
64*c4762a1bSJed Brown            maximum iterations=10000, initial guess is zero
65*c4762a1bSJed Brown            tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
66*c4762a1bSJed Brown            left preconditioning
67*c4762a1bSJed Brown            using NONE norm type for convergence test
68*c4762a1bSJed Brown          PC Object: (mg_coarse_redundant_) 1 MPI processes
69*c4762a1bSJed Brown            type: lu
70*c4762a1bSJed Brown              out-of-place factorization
71*c4762a1bSJed Brown              tolerance for zero pivot 2.22045e-14
72*c4762a1bSJed Brown              using diagonal shift on blocks to prevent zero pivot [INBLOCKS]
73*c4762a1bSJed Brown              matrix ordering: nd
74*c4762a1bSJed Brown              factor fill ratio given 5., needed 1.875
75*c4762a1bSJed Brown                Factored matrix follows:
76*c4762a1bSJed Brown                  Mat Object: 1 MPI processes
77*c4762a1bSJed Brown                    type: seqaij
78*c4762a1bSJed Brown                    rows=16, cols=16
79*c4762a1bSJed Brown                    package used to perform factorization: petsc
80*c4762a1bSJed Brown                    total: nonzeros=120, allocated nonzeros=120
81*c4762a1bSJed Brown                    total number of mallocs used during MatSetValues calls=0
82*c4762a1bSJed Brown                      using I-node routines: found 12 nodes, limit used is 5
83*c4762a1bSJed Brown            linear system matrix = precond matrix:
84*c4762a1bSJed Brown            Mat Object: 1 MPI processes
85*c4762a1bSJed Brown              type: seqaij
86*c4762a1bSJed Brown              rows=16, cols=16
87*c4762a1bSJed Brown              total: nonzeros=64, allocated nonzeros=64
88*c4762a1bSJed Brown              total number of mallocs used during MatSetValues calls=0
89*c4762a1bSJed Brown                not using I-node routines
90*c4762a1bSJed Brown        linear system matrix = precond matrix:
91*c4762a1bSJed Brown        Mat Object: 2 MPI processes
92*c4762a1bSJed Brown          type: mpiaij
93*c4762a1bSJed Brown          rows=16, cols=16
94*c4762a1bSJed Brown          total: nonzeros=64, allocated nonzeros=64
95*c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
96*c4762a1bSJed Brown    Down solver (pre-smoother) on level 1 -------------------------------
97*c4762a1bSJed Brown      KSP Object: (mg_levels_1_) 2 MPI processes
98*c4762a1bSJed Brown        type: chebyshev
99*c4762a1bSJed Brown          eigenvalue estimates used:  min = 0.12873, max = 1.41603
100*c4762a1bSJed Brown          eigenvalues estimate via gmres min 0.220123, max 1.2873
101*c4762a1bSJed Brown          eigenvalues estimated using gmres with translations  [0. 0.1; 0. 1.1]
102*c4762a1bSJed Brown          KSP Object: (mg_levels_1_esteig_) 2 MPI processes
103*c4762a1bSJed Brown            type: gmres
104*c4762a1bSJed Brown              restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
105*c4762a1bSJed Brown              happy breakdown tolerance 1e-30
106*c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
107*c4762a1bSJed Brown            tolerances:  relative=1e-12, absolute=1e-50, divergence=10000.
108*c4762a1bSJed Brown            left preconditioning
109*c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
110*c4762a1bSJed Brown          estimating eigenvalues using noisy right hand side
111*c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
112*c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
113*c4762a1bSJed Brown        left preconditioning
114*c4762a1bSJed Brown        using NONE norm type for convergence test
115*c4762a1bSJed Brown      PC Object: (mg_levels_1_) 2 MPI processes
116*c4762a1bSJed Brown        type: sor
117*c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
118*c4762a1bSJed Brown        linear system matrix = precond matrix:
119*c4762a1bSJed Brown        Mat Object: 2 MPI processes
120*c4762a1bSJed Brown          type: mpiaij
121*c4762a1bSJed Brown          rows=49, cols=49
122*c4762a1bSJed Brown          total: nonzeros=217, allocated nonzeros=217
123*c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
124*c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
125*c4762a1bSJed Brown    Down solver (pre-smoother) on level 2 -------------------------------
126*c4762a1bSJed Brown      KSP Object: (mg_levels_2_) 2 MPI processes
127*c4762a1bSJed Brown        type: chebyshev
128*c4762a1bSJed Brown          eigenvalue estimates used:  min = 0.12637, max = 1.39007
129*c4762a1bSJed Brown          eigenvalues estimate via gmres min 0.0725255, max 1.2637
130*c4762a1bSJed Brown          eigenvalues estimated using gmres with translations  [0. 0.1; 0. 1.1]
131*c4762a1bSJed Brown          KSP Object: (mg_levels_2_esteig_) 2 MPI processes
132*c4762a1bSJed Brown            type: gmres
133*c4762a1bSJed Brown              restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
134*c4762a1bSJed Brown              happy breakdown tolerance 1e-30
135*c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
136*c4762a1bSJed Brown            tolerances:  relative=1e-12, absolute=1e-50, divergence=10000.
137*c4762a1bSJed Brown            left preconditioning
138*c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
139*c4762a1bSJed Brown          estimating eigenvalues using noisy right hand side
140*c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
141*c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
142*c4762a1bSJed Brown        left preconditioning
143*c4762a1bSJed Brown        using NONE norm type for convergence test
144*c4762a1bSJed Brown      PC Object: (mg_levels_2_) 2 MPI processes
145*c4762a1bSJed Brown        type: sor
146*c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
147*c4762a1bSJed Brown        linear system matrix = precond matrix:
148*c4762a1bSJed Brown        Mat Object: 2 MPI processes
149*c4762a1bSJed Brown          type: mpiaij
150*c4762a1bSJed Brown          rows=169, cols=169
151*c4762a1bSJed Brown          total: nonzeros=793, allocated nonzeros=793
152*c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
153*c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
154*c4762a1bSJed Brown    linear system matrix = precond matrix:
155*c4762a1bSJed Brown    Mat Object: 2 MPI processes
156*c4762a1bSJed Brown      type: mpiaij
157*c4762a1bSJed Brown      rows=169, cols=169
158*c4762a1bSJed Brown      total: nonzeros=793, allocated nonzeros=793
159*c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
160