xref: /petsc/src/snes/tutorials/output/ex5_2.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
1c4762a1bSJed Brown        0 SNES Function norm 0.995735
2c4762a1bSJed Brown        Linear solve converged due to CONVERGED_RTOL iterations 3
3c4762a1bSJed Brown        1 SNES Function norm 0.276938
4c4762a1bSJed Brown        Linear solve converged due to CONVERGED_RTOL iterations 3
5c4762a1bSJed Brown        2 SNES Function norm 0.00668678
6c4762a1bSJed Brown        Linear solve converged due to CONVERGED_RTOL iterations 2
7c4762a1bSJed Brown        3 SNES Function norm 4.61502e-06
8c4762a1bSJed Brown        Linear solve converged due to CONVERGED_RTOL iterations 2
9c4762a1bSJed Brown        4 SNES Function norm 1.568e-11
10c4762a1bSJed Brown      0 SNES Function norm 0.0763997
11c4762a1bSJed Brown      Linear solve converged due to CONVERGED_RTOL iterations 2
12c4762a1bSJed Brown      1 SNES Function norm 2.67906e-05
13c4762a1bSJed Brown      Linear solve converged due to CONVERGED_RTOL iterations 2
14c4762a1bSJed Brown      2 SNES Function norm 9.312e-11
15c4762a1bSJed Brown    0 SNES Function norm 0.0408394
16c4762a1bSJed Brown    Linear solve converged due to CONVERGED_RTOL iterations 2
17c4762a1bSJed Brown    1 SNES Function norm 9.10598e-07
18c4762a1bSJed Brown    Linear solve converged due to CONVERGED_RTOL iterations 2
19c4762a1bSJed Brown    2 SNES Function norm < 1.e-11
20c4762a1bSJed Brown  0 SNES Function norm 0.021012
21c4762a1bSJed Brown  Linear solve converged due to CONVERGED_RTOL iterations 2
22c4762a1bSJed Brown  1 SNES Function norm 3.84069e-08
23c4762a1bSJed Brown  Linear solve converged due to CONVERGED_RTOL iterations 2
24c4762a1bSJed Brown  2 SNES Function norm < 1.e-11
258cc725e6SPierre JolivetSNES Object: 1 MPI process
26c4762a1bSJed Brown  type: newtonls
27c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
28c4762a1bSJed Brown  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
29c4762a1bSJed Brown  total number of linear solver iterations=22
30c4762a1bSJed Brown  total number of function evaluations=14
31c4762a1bSJed Brown  norm schedule ALWAYS
32c4762a1bSJed Brown  total number of grid sequence refinements=3
33c4762a1bSJed Brown  Jacobian is built using a DMDA local Jacobian
348cc725e6SPierre Jolivet  SNESLineSearch Object: 1 MPI process
35c4762a1bSJed Brown    type: bt
36c4762a1bSJed Brown      interpolation: cubic
37c4762a1bSJed Brown      alpha=1.000000e-04
38a99ef635SJonas Heinzmann    maxlambda=1.000000e+00, minlambda=1.000000e-12
39c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
40c4762a1bSJed Brown    maximum iterations=40
418cc725e6SPierre Jolivet  KSP Object: 1 MPI process
42c4762a1bSJed Brown    type: gmres
43f971d498SPierre Jolivet      restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
44*143f2514SPierre Jolivet      happy breakdown tolerance=1e-30
45c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
46c4762a1bSJed Brown    tolerances: relative=1e-05, absolute=-1., divergence=10000.
47c4762a1bSJed Brown    left preconditioning
48c4762a1bSJed Brown    using PRECONDITIONED norm type for convergence test
498cc725e6SPierre Jolivet  PC Object: 1 MPI process
50c4762a1bSJed Brown    type: mg
51c4762a1bSJed Brown      type is FULL, levels=4 cycles=v
52c4762a1bSJed Brown        Using Galerkin computed coarse grid matrices for pmat
5363a3b9bcSJacob Faibussowitsch    Coarse grid solver -- level 0 -------------------------------
548cc725e6SPierre Jolivet      KSP Object: (mg_coarse_) 1 MPI process
55c4762a1bSJed Brown        type: preonly
56c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
57c4762a1bSJed Brown        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
58c4762a1bSJed Brown        left preconditioning
598405740aSBarry Smith        not checking for convergence
608cc725e6SPierre Jolivet      PC Object: (mg_coarse_) 1 MPI process
61c4762a1bSJed Brown        type: lu
62c4762a1bSJed Brown          out-of-place factorization
63c4762a1bSJed Brown          tolerance for zero pivot 2.22045e-14
64c4762a1bSJed Brown          using diagonal shift on blocks to prevent zero pivot [INBLOCKS]
65c4762a1bSJed Brown          matrix ordering: nd
66c4762a1bSJed Brown          factor fill ratio given 5., needed 1.42
67ecf3d421SBarry Smith            Factored matrix:
6826cc229bSBarry Smith              Mat Object: (mg_coarse_) 1 MPI process
69c4762a1bSJed Brown                type: seqaij
70c4762a1bSJed Brown                rows=16, cols=16
71c4762a1bSJed Brown                package used to perform factorization: petsc
72c4762a1bSJed Brown                total: nonzeros=142, allocated nonzeros=142
73c4762a1bSJed Brown                  using I-node routines: found 11 nodes, limit used is 5
74ecf3d421SBarry Smith        linear system matrix, which is also used to construct the preconditioner:
7526cc229bSBarry Smith        Mat Object: 1 MPI process
76c4762a1bSJed Brown          type: seqaij
77c4762a1bSJed Brown          rows=16, cols=16
78c4762a1bSJed Brown          total: nonzeros=100, allocated nonzeros=100
79c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
80c4762a1bSJed Brown            not using I-node routines
81c4762a1bSJed Brown    Down solver (pre-smoother) on level 1 -------------------------------
828cc725e6SPierre Jolivet      KSP Object: (mg_levels_1_) 1 MPI process
83c4762a1bSJed Brown        type: chebyshev
84f2edd1f0SMalachi Phillips          Chebyshev polynomial of first kind
8573f7197eSJed Brown          eigenvalue targets used: min 0.49992, max 1.09982
8673f7197eSJed Brown          eigenvalues estimated via gmres: min 0.38164, max 0.999839
8773f7197eSJed Brown          eigenvalues estimated using gmres with transform: [0. 0.5; 0. 1.1]
888cc725e6SPierre Jolivet          KSP Object: (mg_levels_1_esteig_) 1 MPI process
89c4762a1bSJed Brown            type: gmres
90f971d498SPierre Jolivet              restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
91*143f2514SPierre Jolivet              happy breakdown tolerance=1e-30
92c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
93c4762a1bSJed Brown            tolerances: relative=1e-12, absolute=1e-50, divergence=10000.
94c4762a1bSJed Brown            left preconditioning
95c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
96dd8e379bSPierre Jolivet          estimating eigenvalues using a noisy random number generated right-hand side
97c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
98c4762a1bSJed Brown        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
99c4762a1bSJed Brown        left preconditioning
1008405740aSBarry Smith        not checking for convergence
1018cc725e6SPierre Jolivet      PC Object: (mg_levels_1_) 1 MPI process
102c4762a1bSJed Brown        type: sor
103c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
104ecf3d421SBarry Smith        linear system matrix, which is also used to construct the preconditioner:
1058cc725e6SPierre Jolivet        Mat Object: 1 MPI process
106c4762a1bSJed Brown          type: seqaij
107c4762a1bSJed Brown          rows=49, cols=49
108c4762a1bSJed Brown          total: nonzeros=361, allocated nonzeros=361
109c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
110c4762a1bSJed Brown            not using I-node routines
111c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
112c4762a1bSJed Brown    Down solver (pre-smoother) on level 2 -------------------------------
1138cc725e6SPierre Jolivet      KSP Object: (mg_levels_2_) 1 MPI process
114c4762a1bSJed Brown        type: chebyshev
115f2edd1f0SMalachi Phillips          Chebyshev polynomial of first kind
11673f7197eSJed Brown          eigenvalue targets used: min 0.498238, max 1.09612
11773f7197eSJed Brown          eigenvalues estimated via gmres: min 0.11325, max 0.996475
11873f7197eSJed Brown          eigenvalues estimated using gmres with transform: [0. 0.5; 0. 1.1]
1198cc725e6SPierre Jolivet          KSP Object: (mg_levels_2_esteig_) 1 MPI process
120c4762a1bSJed Brown            type: gmres
121f971d498SPierre Jolivet              restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
122*143f2514SPierre Jolivet              happy breakdown tolerance=1e-30
123c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
124c4762a1bSJed Brown            tolerances: relative=1e-12, absolute=1e-50, divergence=10000.
125c4762a1bSJed Brown            left preconditioning
126c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
127dd8e379bSPierre Jolivet          estimating eigenvalues using a noisy random number generated right-hand side
128c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
129c4762a1bSJed Brown        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
130c4762a1bSJed Brown        left preconditioning
1318405740aSBarry Smith        not checking for convergence
1328cc725e6SPierre Jolivet      PC Object: (mg_levels_2_) 1 MPI process
133c4762a1bSJed Brown        type: sor
134c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
135ecf3d421SBarry Smith        linear system matrix, which is also used to construct the preconditioner:
1368cc725e6SPierre Jolivet        Mat Object: 1 MPI process
137c4762a1bSJed Brown          type: seqaij
138c4762a1bSJed Brown          rows=169, cols=169
139c4762a1bSJed Brown          total: nonzeros=1369, allocated nonzeros=1369
140c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
141c4762a1bSJed Brown            not using I-node routines
142c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
143c4762a1bSJed Brown    Down solver (pre-smoother) on level 3 -------------------------------
1448cc725e6SPierre Jolivet      KSP Object: (mg_levels_3_) 1 MPI process
145c4762a1bSJed Brown        type: chebyshev
146f2edd1f0SMalachi Phillips          Chebyshev polynomial of first kind
14773f7197eSJed Brown          eigenvalue targets used: min 0.498868, max 1.09751
14873f7197eSJed Brown          eigenvalues estimated via gmres: min 0.0267868, max 0.997736
14973f7197eSJed Brown          eigenvalues estimated using gmres with transform: [0. 0.5; 0. 1.1]
1508cc725e6SPierre Jolivet          KSP Object: (mg_levels_3_esteig_) 1 MPI process
151c4762a1bSJed Brown            type: gmres
152f971d498SPierre Jolivet              restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
153*143f2514SPierre Jolivet              happy breakdown tolerance=1e-30
154c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
155c4762a1bSJed Brown            tolerances: relative=1e-12, absolute=1e-50, divergence=10000.
156c4762a1bSJed Brown            left preconditioning
157c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
158dd8e379bSPierre Jolivet          estimating eigenvalues using a noisy random number generated right-hand side
159c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
160c4762a1bSJed Brown        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
161c4762a1bSJed Brown        left preconditioning
1628405740aSBarry Smith        not checking for convergence
1638cc725e6SPierre Jolivet      PC Object: (mg_levels_3_) 1 MPI process
164c4762a1bSJed Brown        type: sor
165c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
166ecf3d421SBarry Smith        linear system matrix, which is also used to construct the preconditioner:
1678cc725e6SPierre Jolivet        Mat Object: 1 MPI process
168c4762a1bSJed Brown          type: seqaij
169c4762a1bSJed Brown          rows=625, cols=625
170c4762a1bSJed Brown          total: nonzeros=3025, allocated nonzeros=3025
171c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
172c4762a1bSJed Brown            not using I-node routines
173c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
174ecf3d421SBarry Smith    linear system matrix, which is also used to construct the preconditioner:
1758cc725e6SPierre Jolivet    Mat Object: 1 MPI process
176c4762a1bSJed Brown      type: seqaij
177c4762a1bSJed Brown      rows=625, cols=625
178c4762a1bSJed Brown      total: nonzeros=3025, allocated nonzeros=3025
179c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
180c4762a1bSJed Brown        not using I-node routines
181