xref: /petsc/src/snes/tutorials/output/ex5_3.out (revision c4762a1b19cd2af06abeed90e8f9d34fb975dd94)
1*c4762a1bSJed Brown    Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 2
2*c4762a1bSJed Brown  Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 1
3*c4762a1bSJed BrownNonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 1
4*c4762a1bSJed BrownSNES Object: 2 MPI processes
5*c4762a1bSJed Brown  type: newtonls
6*c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
7*c4762a1bSJed Brown  tolerances: relative=0.01, absolute=-1., solution=1e-08
8*c4762a1bSJed Brown  total number of linear solver iterations=16
9*c4762a1bSJed Brown  norm schedule ALWAYS
10*c4762a1bSJed Brown  total number of grid sequence refinements=2
11*c4762a1bSJed Brown  Jacobian is applied matrix-free with differencing
12*c4762a1bSJed Brown  Preconditioning Jacobian is built using a DMDA local Jacobian
13*c4762a1bSJed Brown  SNESLineSearch Object: 2 MPI processes
14*c4762a1bSJed Brown    type: bt
15*c4762a1bSJed Brown      interpolation: cubic
16*c4762a1bSJed Brown      alpha=1.000000e-04
17*c4762a1bSJed Brown    maxstep=1.000000e+08, minlambda=1.000000e-12
18*c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
19*c4762a1bSJed Brown    maximum iterations=40
20*c4762a1bSJed Brown  KSP Object: 2 MPI processes
21*c4762a1bSJed Brown    type: gmres
22*c4762a1bSJed Brown      restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
23*c4762a1bSJed Brown      happy breakdown tolerance 1e-30
24*c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
25*c4762a1bSJed Brown    tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
26*c4762a1bSJed Brown    left preconditioning
27*c4762a1bSJed Brown    using PRECONDITIONED norm type for convergence test
28*c4762a1bSJed Brown  PC Object: 2 MPI processes
29*c4762a1bSJed Brown    type: mg
30*c4762a1bSJed Brown      type is MULTIPLICATIVE, levels=3 cycles=v
31*c4762a1bSJed Brown        Cycles per PCApply=1
32*c4762a1bSJed Brown        Not using Galerkin computed coarse grid matrices
33*c4762a1bSJed Brown    Coarse grid solver -- level -------------------------------
34*c4762a1bSJed Brown      KSP Object: (mg_coarse_) 2 MPI processes
35*c4762a1bSJed Brown        type: preonly
36*c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
37*c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
38*c4762a1bSJed Brown        left preconditioning
39*c4762a1bSJed Brown        using NONE norm type for convergence test
40*c4762a1bSJed Brown      PC Object: (mg_coarse_) 2 MPI processes
41*c4762a1bSJed Brown        type: redundant
42*c4762a1bSJed Brown          First (color=0) of 2 PCs follows
43*c4762a1bSJed Brown          KSP Object: (mg_coarse_redundant_) 1 MPI processes
44*c4762a1bSJed Brown            type: preonly
45*c4762a1bSJed Brown            maximum iterations=10000, initial guess is zero
46*c4762a1bSJed Brown            tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
47*c4762a1bSJed Brown            left preconditioning
48*c4762a1bSJed Brown            using NONE norm type for convergence test
49*c4762a1bSJed Brown          PC Object: (mg_coarse_redundant_) 1 MPI processes
50*c4762a1bSJed Brown            type: lu
51*c4762a1bSJed Brown              out-of-place factorization
52*c4762a1bSJed Brown              tolerance for zero pivot 2.22045e-14
53*c4762a1bSJed Brown              using diagonal shift on blocks to prevent zero pivot [INBLOCKS]
54*c4762a1bSJed Brown              matrix ordering: nd
55*c4762a1bSJed Brown              factor fill ratio given 5., needed 1.875
56*c4762a1bSJed Brown                Factored matrix follows:
57*c4762a1bSJed Brown                  Mat Object: 1 MPI processes
58*c4762a1bSJed Brown                    type: seqaij
59*c4762a1bSJed Brown                    rows=16, cols=16
60*c4762a1bSJed Brown                    package used to perform factorization: petsc
61*c4762a1bSJed Brown                    total: nonzeros=120, allocated nonzeros=120
62*c4762a1bSJed Brown                    total number of mallocs used during MatSetValues calls=0
63*c4762a1bSJed Brown                      using I-node routines: found 12 nodes, limit used is 5
64*c4762a1bSJed Brown            linear system matrix = precond matrix:
65*c4762a1bSJed Brown            Mat Object: 1 MPI processes
66*c4762a1bSJed Brown              type: seqaij
67*c4762a1bSJed Brown              rows=16, cols=16
68*c4762a1bSJed Brown              total: nonzeros=64, allocated nonzeros=64
69*c4762a1bSJed Brown              total number of mallocs used during MatSetValues calls=0
70*c4762a1bSJed Brown                not using I-node routines
71*c4762a1bSJed Brown        linear system matrix = precond matrix:
72*c4762a1bSJed Brown        Mat Object: 2 MPI processes
73*c4762a1bSJed Brown          type: mpiaij
74*c4762a1bSJed Brown          rows=16, cols=16
75*c4762a1bSJed Brown          total: nonzeros=64, allocated nonzeros=64
76*c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
77*c4762a1bSJed Brown    Down solver (pre-smoother) on level 1 -------------------------------
78*c4762a1bSJed Brown      KSP Object: (mg_levels_1_) 2 MPI processes
79*c4762a1bSJed Brown        type: chebyshev
80*c4762a1bSJed Brown          eigenvalue estimates used:  min = 0.12873, max = 1.41603
81*c4762a1bSJed Brown          eigenvalues estimate via gmres min 0.220124, max 1.2873
82*c4762a1bSJed Brown          eigenvalues estimated using gmres with translations  [0. 0.1; 0. 1.1]
83*c4762a1bSJed Brown          KSP Object: (mg_levels_1_esteig_) 2 MPI processes
84*c4762a1bSJed Brown            type: gmres
85*c4762a1bSJed Brown              restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
86*c4762a1bSJed Brown              happy breakdown tolerance 1e-30
87*c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
88*c4762a1bSJed Brown            tolerances:  relative=1e-12, absolute=1e-50, divergence=10000.
89*c4762a1bSJed Brown            left preconditioning
90*c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
91*c4762a1bSJed Brown          estimating eigenvalues using noisy right hand side
92*c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
93*c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
94*c4762a1bSJed Brown        left preconditioning
95*c4762a1bSJed Brown        using NONE norm type for convergence test
96*c4762a1bSJed Brown      PC Object: (mg_levels_1_) 2 MPI processes
97*c4762a1bSJed Brown        type: sor
98*c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
99*c4762a1bSJed Brown        linear system matrix = precond matrix:
100*c4762a1bSJed Brown        Mat Object: 2 MPI processes
101*c4762a1bSJed Brown          type: mpiaij
102*c4762a1bSJed Brown          rows=49, cols=49
103*c4762a1bSJed Brown          total: nonzeros=217, allocated nonzeros=217
104*c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
105*c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
106*c4762a1bSJed Brown    Down solver (pre-smoother) on level 2 -------------------------------
107*c4762a1bSJed Brown      KSP Object: (mg_levels_2_) 2 MPI processes
108*c4762a1bSJed Brown        type: chebyshev
109*c4762a1bSJed Brown          eigenvalue estimates used:  min = 0.126369, max = 1.39006
110*c4762a1bSJed Brown          eigenvalues estimate via gmres min 0.0725743, max 1.26369
111*c4762a1bSJed Brown          eigenvalues estimated using gmres with translations  [0. 0.1; 0. 1.1]
112*c4762a1bSJed Brown          KSP Object: (mg_levels_2_esteig_) 2 MPI processes
113*c4762a1bSJed Brown            type: gmres
114*c4762a1bSJed Brown              restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
115*c4762a1bSJed Brown              happy breakdown tolerance 1e-30
116*c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
117*c4762a1bSJed Brown            tolerances:  relative=1e-12, absolute=1e-50, divergence=10000.
118*c4762a1bSJed Brown            left preconditioning
119*c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
120*c4762a1bSJed Brown          estimating eigenvalues using noisy right hand side
121*c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
122*c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
123*c4762a1bSJed Brown        left preconditioning
124*c4762a1bSJed Brown        using NONE norm type for convergence test
125*c4762a1bSJed Brown      PC Object: (mg_levels_2_) 2 MPI processes
126*c4762a1bSJed Brown        type: sor
127*c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
128*c4762a1bSJed Brown        linear system matrix followed by preconditioner matrix:
129*c4762a1bSJed Brown        Mat Object: 2 MPI processes
130*c4762a1bSJed Brown          type: mffd
131*c4762a1bSJed Brown          rows=169, cols=169
132*c4762a1bSJed Brown            Matrix-free approximation:
133*c4762a1bSJed Brown              err=1.49012e-08 (relative error in function evaluation)
134*c4762a1bSJed Brown              Using wp compute h routine
135*c4762a1bSJed Brown                  Does not compute normU
136*c4762a1bSJed Brown        Mat Object: 2 MPI processes
137*c4762a1bSJed Brown          type: mpiaij
138*c4762a1bSJed Brown          rows=169, cols=169
139*c4762a1bSJed Brown          total: nonzeros=793, allocated nonzeros=793
140*c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
141*c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
142*c4762a1bSJed Brown    linear system matrix followed by preconditioner matrix:
143*c4762a1bSJed Brown    Mat Object: 2 MPI processes
144*c4762a1bSJed Brown      type: mffd
145*c4762a1bSJed Brown      rows=169, cols=169
146*c4762a1bSJed Brown        Matrix-free approximation:
147*c4762a1bSJed Brown          err=1.49012e-08 (relative error in function evaluation)
148*c4762a1bSJed Brown          Using wp compute h routine
149*c4762a1bSJed Brown              Does not compute normU
150*c4762a1bSJed Brown    Mat Object: 2 MPI processes
151*c4762a1bSJed Brown      type: mpiaij
152*c4762a1bSJed Brown      rows=169, cols=169
153*c4762a1bSJed Brown      total: nonzeros=793, allocated nonzeros=793
154*c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
155