xref: /petsc/src/snes/tutorials/output/ex5_4_alt.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 4.6129e-06
8*c4762a1bSJed Brown    Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 3
9*c4762a1bSJed Brown    0 SNES Function norm 0.0763977
10*c4762a1bSJed Brown    Linear solve converged due to CONVERGED_RTOL iterations 6
11*c4762a1bSJed Brown    1 SNES Function norm 2.68517e-05
12*c4762a1bSJed Brown    Linear solve converged due to CONVERGED_RTOL iterations 5
13*c4762a1bSJed Brown    2 SNES Function norm 1.90304e-08
14*c4762a1bSJed Brown  Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 2
15*c4762a1bSJed Brown  0 SNES Function norm 0.0408394
16*c4762a1bSJed Brown  Linear solve converged due to CONVERGED_RTOL iterations 6
17*c4762a1bSJed Brown  1 SNES Function norm 9.67955e-07
18*c4762a1bSJed Brown  Linear solve converged due to CONVERGED_RTOL iterations 4
19*c4762a1bSJed Brown  2 SNES Function norm 3.74739e-08
20*c4762a1bSJed BrownNonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 2
21*c4762a1bSJed BrownSNES Object: 2 MPI processes
22*c4762a1bSJed Brown  type: newtonls
23*c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
24*c4762a1bSJed Brown  tolerances: relative=1e-05, absolute=-1., solution=1e-05
25*c4762a1bSJed Brown  total number of linear solver iterations=27
26*c4762a1bSJed Brown  total number of function evaluations=10
27*c4762a1bSJed Brown  norm schedule ALWAYS
28*c4762a1bSJed Brown  total number of grid sequence refinements=2
29*c4762a1bSJed Brown  Jacobian is built using a DMDA local Jacobian
30*c4762a1bSJed BrownSNESLineSearch Object: 2 MPI processes
31*c4762a1bSJed Brown    type: bt
32*c4762a1bSJed Brown      interpolation: cubic
33*c4762a1bSJed Brown      alpha=1.000000e-04
34*c4762a1bSJed Brown    maxstep=1.000000e+08, minlambda=1.000000e-12
35*c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
36*c4762a1bSJed Brown    maximum iterations=40
37*c4762a1bSJed Brown  KSP Object: 2 MPI processes
38*c4762a1bSJed Brown    type: gmres
39*c4762a1bSJed Brown      restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
40*c4762a1bSJed Brown      happy breakdown tolerance 1e-30
41*c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
42*c4762a1bSJed Brown    tolerances:  relative=1e-05, absolute=-1., divergence=10000.
43*c4762a1bSJed Brown    left preconditioning
44*c4762a1bSJed Brown    using PRECONDITIONED norm type for convergence test
45*c4762a1bSJed Brown  PC Object: 2 MPI processes
46*c4762a1bSJed Brown    type: mg
47*c4762a1bSJed Brown      type is MULTIPLICATIVE, levels=3 cycles=v
48*c4762a1bSJed Brown        Cycles per PCApply=1
49*c4762a1bSJed Brown        Not using Galerkin computed coarse grid matrices
50*c4762a1bSJed Brown    Coarse grid solver -- level -------------------------------
51*c4762a1bSJed Brown      KSP Object: (mg_coarse_) 2 MPI processes
52*c4762a1bSJed Brown        type: preonly
53*c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
54*c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-25, divergence=10000.
55*c4762a1bSJed Brown        left preconditioning
56*c4762a1bSJed Brown        using NONE norm type for convergence test
57*c4762a1bSJed Brown      PC Object: (mg_coarse_) 2 MPI processes
58*c4762a1bSJed Brown        type: redundant
59*c4762a1bSJed Brown          First (color=0) of 2 PCs follows
60*c4762a1bSJed Brown          KSP Object: (mg_coarse_redundant_) 1 MPI processes
61*c4762a1bSJed Brown            type: preonly
62*c4762a1bSJed Brown            maximum iterations=10000, initial guess is zero
63*c4762a1bSJed Brown            tolerances:  relative=1e-05, absolute=1e-25, divergence=10000.
64*c4762a1bSJed Brown            left preconditioning
65*c4762a1bSJed Brown            using NONE norm type for convergence test
66*c4762a1bSJed Brown          PC Object: (mg_coarse_redundant_) 1 MPI processes
67*c4762a1bSJed Brown            type: lu
68*c4762a1bSJed Brown              out-of-place factorization
69*c4762a1bSJed Brown              tolerance for zero pivot 1.19209e-05
70*c4762a1bSJed Brown              using diagonal shift on blocks to prevent zero pivot [INBLOCKS]
71*c4762a1bSJed Brown              matrix ordering: nd
72*c4762a1bSJed Brown              factor fill ratio given 5., needed 1.875
73*c4762a1bSJed Brown                Factored matrix follows:
74*c4762a1bSJed Brown                  Mat Object: 1 MPI processes
75*c4762a1bSJed Brown                    type: seqaij
76*c4762a1bSJed Brown                    rows=16, cols=16
77*c4762a1bSJed Brown                    package used to perform factorization: petsc
78*c4762a1bSJed Brown                    total: nonzeros=120, allocated nonzeros=120
79*c4762a1bSJed Brown                    total number of mallocs used during MatSetValues calls=0
80*c4762a1bSJed Brown                      using I-node routines: found 12 nodes, limit used is 5
81*c4762a1bSJed Brown            linear system matrix = precond matrix:
82*c4762a1bSJed Brown            Mat Object: 1 MPI processes
83*c4762a1bSJed Brown              type: seqaij
84*c4762a1bSJed Brown              rows=16, cols=16
85*c4762a1bSJed Brown              total: nonzeros=64, allocated nonzeros=64
86*c4762a1bSJed Brown              total number of mallocs used during MatSetValues calls=0
87*c4762a1bSJed Brown                not using I-node routines
88*c4762a1bSJed Brown        linear system matrix = precond matrix:
89*c4762a1bSJed Brown        Mat Object: 2 MPI processes
90*c4762a1bSJed Brown          type: mpiaij
91*c4762a1bSJed Brown          rows=16, cols=16
92*c4762a1bSJed Brown          total: nonzeros=64, allocated nonzeros=64
93*c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
94*c4762a1bSJed Brown    Down solver (pre-smoother) on level 1 -------------------------------
95*c4762a1bSJed Brown      KSP Object: (mg_levels_1_) 2 MPI processes
96*c4762a1bSJed Brown        type: chebyshev
97*c4762a1bSJed Brown          eigenvalue estimates used:  min = 0.128728, max = 1.41601
98*c4762a1bSJed Brown          eigenvalues estimate via gmres min 0.220123, max 1.28728
99*c4762a1bSJed Brown          eigenvalues estimated using gmres with translations  [0. 0.1; 0. 1.1]
100*c4762a1bSJed Brown          KSP Object: (mg_levels_1_esteig_) 2 MPI processes
101*c4762a1bSJed Brown            type: gmres
102*c4762a1bSJed Brown              restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
103*c4762a1bSJed Brown              happy breakdown tolerance 1e-30
104*c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
105*c4762a1bSJed Brown            tolerances:  relative=1e-12, absolute=1e-25, divergence=10000.
106*c4762a1bSJed Brown            left preconditioning
107*c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
108*c4762a1bSJed Brown          estimating eigenvalues using noisy right hand side
109*c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
110*c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-25, divergence=10000.
111*c4762a1bSJed Brown        left preconditioning
112*c4762a1bSJed Brown        using NONE norm type for convergence test
113*c4762a1bSJed Brown      PC Object: (mg_levels_1_) 2 MPI processes
114*c4762a1bSJed Brown        type: sor
115*c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
116*c4762a1bSJed Brown        linear system matrix = precond matrix:
117*c4762a1bSJed Brown        Mat Object: 2 MPI processes
118*c4762a1bSJed Brown          type: mpiaij
119*c4762a1bSJed Brown          rows=49, cols=49
120*c4762a1bSJed Brown          total: nonzeros=217, allocated nonzeros=217
121*c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
122*c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
123*c4762a1bSJed Brown    Down solver (pre-smoother) on level 2 -------------------------------
124*c4762a1bSJed Brown      KSP Object: (mg_levels_2_) 2 MPI processes
125*c4762a1bSJed Brown        type: chebyshev
126*c4762a1bSJed Brown          eigenvalue estimates used:  min = 0.12637, max = 1.39007
127*c4762a1bSJed Brown          eigenvalues estimate via gmres min 0.0725255, max 1.2637
128*c4762a1bSJed Brown          eigenvalues estimated using gmres with translations  [0. 0.1; 0. 1.1]
129*c4762a1bSJed Brown          KSP Object: (mg_levels_2_esteig_) 2 MPI processes
130*c4762a1bSJed Brown            type: gmres
131*c4762a1bSJed Brown              restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
132*c4762a1bSJed Brown              happy breakdown tolerance 1e-30
133*c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
134*c4762a1bSJed Brown            tolerances:  relative=1e-12, absolute=1e-25, divergence=10000.
135*c4762a1bSJed Brown            left preconditioning
136*c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
137*c4762a1bSJed Brown          estimating eigenvalues using noisy right hand side
138*c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
139*c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-25, divergence=10000.
140*c4762a1bSJed Brown        left preconditioning
141*c4762a1bSJed Brown        using NONE norm type for convergence test
142*c4762a1bSJed Brown      PC Object: (mg_levels_2_) 2 MPI processes
143*c4762a1bSJed Brown        type: sor
144*c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
145*c4762a1bSJed Brown        linear system matrix = precond matrix:
146*c4762a1bSJed Brown        Mat Object: 2 MPI processes
147*c4762a1bSJed Brown          type: mpiaij
148*c4762a1bSJed Brown          rows=169, cols=169
149*c4762a1bSJed Brown          total: nonzeros=793, allocated nonzeros=793
150*c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
151*c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
152*c4762a1bSJed Brown    linear system matrix = precond matrix:
153*c4762a1bSJed Brown    Mat Object: 2 MPI processes
154*c4762a1bSJed Brown      type: mpiaij
155*c4762a1bSJed Brown      rows=169, cols=169
156*c4762a1bSJed Brown      total: nonzeros=793, allocated nonzeros=793
157*c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
158