xref: /petsc/src/snes/tutorials/output/ex5_2_alt.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 0.00668684
6c4762a1bSJed Brown        Linear solve converged due to CONVERGED_RTOL iterations 3
7c4762a1bSJed Brown        3 SNES Function norm 4.6129e-06
8c4762a1bSJed Brown      0 SNES Function norm 0.0763977
9c4762a1bSJed Brown      Linear solve converged due to CONVERGED_RTOL iterations 2
10c4762a1bSJed Brown      1 SNES Function norm 2.68308e-05
11c4762a1bSJed Brown      Linear solve converged due to CONVERGED_RTOL iterations 2
12c4762a1bSJed Brown      2 SNES Function norm 1.90247e-08
13c4762a1bSJed Brown    0 SNES Function norm 0.0408394
14c4762a1bSJed Brown    Linear solve converged due to CONVERGED_RTOL iterations 2
15c4762a1bSJed Brown    1 SNES Function norm 9.09197e-07
16c4762a1bSJed Brown    Linear solve converged due to CONVERGED_RTOL iterations 2
17c4762a1bSJed Brown    2 SNES Function norm 3.74739e-08
18c4762a1bSJed Brown  0 SNES Function norm 0.021012
19c4762a1bSJed Brown  Linear solve converged due to CONVERGED_RTOL iterations 2
20c4762a1bSJed Brown  1 SNES Function norm 8.22296e-08
218cc725e6SPierre JolivetSNES Object: 1 MPI process
22c4762a1bSJed Brown  type: newtonls
23c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
24c4762a1bSJed Brown  tolerances: relative=1e-05, absolute=1e-25, solution=1e-05
25c4762a1bSJed Brown  total number of linear solver iterations=19
26c4762a1bSJed Brown  total number of function evaluations=12
27c4762a1bSJed Brown  norm schedule ALWAYS
28c4762a1bSJed Brown  total number of grid sequence refinements=3
29c4762a1bSJed Brown  Jacobian is built using a DMDA local Jacobian
308cc725e6SPierre Jolivet  SNESLineSearch Object: 1 MPI process
31c4762a1bSJed Brown    type: bt
32c4762a1bSJed Brown      interpolation: cubic
33c4762a1bSJed Brown      alpha=1.000000e-04
34a99ef635SJonas Heinzmann    maxlambda=1.000000e+00, minlambda=1.000000e-12
35c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
36c4762a1bSJed Brown    maximum iterations=40
378cc725e6SPierre Jolivet  KSP Object: 1 MPI process
38c4762a1bSJed Brown    type: gmres
39f971d498SPierre Jolivet      restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
40*143f2514SPierre Jolivet      happy breakdown tolerance=1e-30
41c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
42c4762a1bSJed Brown    tolerances: relative=1e-05, absolute=-1., divergence=10000.
43c4762a1bSJed Brown    left preconditioning
44c4762a1bSJed Brown    using PRECONDITIONED norm type for convergence test
458cc725e6SPierre Jolivet  PC Object: 1 MPI process
46c4762a1bSJed Brown    type: mg
47c4762a1bSJed Brown      type is FULL, levels=4 cycles=v
48c4762a1bSJed Brown        Using Galerkin computed coarse grid matrices for pmat
4963a3b9bcSJacob Faibussowitsch    Coarse grid solver -- level 0 -------------------------------
508cc725e6SPierre Jolivet      KSP Object: (mg_coarse_) 1 MPI process
51c4762a1bSJed Brown        type: preonly
52c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
53c4762a1bSJed Brown        tolerances: relative=1e-05, absolute=1e-25, divergence=10000.
54c4762a1bSJed Brown        left preconditioning
558405740aSBarry Smith        not checking for convergence
568cc725e6SPierre Jolivet      PC Object: (mg_coarse_) 1 MPI process
57c4762a1bSJed Brown        type: lu
58c4762a1bSJed Brown          out-of-place factorization
59c4762a1bSJed Brown          tolerance for zero pivot 1.19209e-05
60c4762a1bSJed Brown          using diagonal shift on blocks to prevent zero pivot [INBLOCKS]
61c4762a1bSJed Brown          matrix ordering: nd
62c4762a1bSJed Brown          factor fill ratio given 5., needed 1.42
63ecf3d421SBarry Smith            Factored matrix:
6426cc229bSBarry Smith              Mat Object: (mg_coarse_) 1 MPI process
65c4762a1bSJed Brown                type: seqaij
66c4762a1bSJed Brown                rows=16, cols=16
67c4762a1bSJed Brown                package used to perform factorization: petsc
68c4762a1bSJed Brown                total: nonzeros=142, allocated nonzeros=142
69c4762a1bSJed Brown                  using I-node routines: found 11 nodes, limit used is 5
70ecf3d421SBarry Smith        linear system matrix, which is also used to construct the preconditioner:
7126cc229bSBarry Smith        Mat Object: 1 MPI process
72c4762a1bSJed Brown          type: seqaij
73c4762a1bSJed Brown          rows=16, cols=16
74c4762a1bSJed Brown          total: nonzeros=100, allocated nonzeros=100
75c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
76c4762a1bSJed Brown            not using I-node routines
77c4762a1bSJed Brown    Down solver (pre-smoother) on level 1 -------------------------------
788cc725e6SPierre Jolivet      KSP Object: (mg_levels_1_) 1 MPI process
79c4762a1bSJed Brown        type: chebyshev
80f2edd1f0SMalachi Phillips          Chebyshev polynomial of first kind
8173f7197eSJed Brown          eigenvalue targets used: min 0.569941, max 1.25387
8273f7197eSJed Brown          eigenvalues estimated via gmres: min 0.381692, max 1.13988
8373f7197eSJed Brown          eigenvalues estimated using gmres with transform: [0. 0.5; 0. 1.1]
848cc725e6SPierre Jolivet          KSP Object: (mg_levels_1_esteig_) 1 MPI process
85c4762a1bSJed Brown            type: gmres
86f971d498SPierre Jolivet              restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
87*143f2514SPierre Jolivet              happy breakdown tolerance=1e-30
88c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
89c4762a1bSJed Brown            tolerances: relative=1e-12, absolute=1e-25, divergence=10000.
90c4762a1bSJed Brown            left preconditioning
91c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
92dd8e379bSPierre Jolivet          estimating eigenvalues using a noisy random number generated right-hand side
93c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
94c4762a1bSJed Brown        tolerances: relative=1e-05, absolute=1e-25, divergence=10000.
95c4762a1bSJed Brown        left preconditioning
968405740aSBarry Smith        not checking for convergence
978cc725e6SPierre Jolivet      PC Object: (mg_levels_1_) 1 MPI process
98c4762a1bSJed Brown        type: sor
99c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
100ecf3d421SBarry Smith        linear system matrix, which is also used to construct the preconditioner:
1018cc725e6SPierre Jolivet        Mat Object: 1 MPI process
102c4762a1bSJed Brown          type: seqaij
103c4762a1bSJed Brown          rows=49, cols=49
104c4762a1bSJed Brown          total: nonzeros=361, allocated nonzeros=361
105c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
106c4762a1bSJed Brown            not using I-node routines
107c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
108c4762a1bSJed Brown    Down solver (pre-smoother) on level 2 -------------------------------
1098cc725e6SPierre Jolivet      KSP Object: (mg_levels_2_) 1 MPI process
110c4762a1bSJed Brown        type: chebyshev
111f2edd1f0SMalachi Phillips          Chebyshev polynomial of first kind
11273f7197eSJed Brown          eigenvalue targets used: min 0.498207, max 1.09606
11373f7197eSJed Brown          eigenvalues estimated via gmres: min 0.113268, max 0.996415
11473f7197eSJed Brown          eigenvalues estimated using gmres with transform: [0. 0.5; 0. 1.1]
1158cc725e6SPierre Jolivet          KSP Object: (mg_levels_2_esteig_) 1 MPI process
116c4762a1bSJed Brown            type: gmres
117f971d498SPierre Jolivet              restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
118*143f2514SPierre Jolivet              happy breakdown tolerance=1e-30
119c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
120c4762a1bSJed Brown            tolerances: relative=1e-12, absolute=1e-25, divergence=10000.
121c4762a1bSJed Brown            left preconditioning
122c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
123dd8e379bSPierre Jolivet          estimating eigenvalues using a noisy random number generated right-hand side
124c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
125c4762a1bSJed Brown        tolerances: relative=1e-05, absolute=1e-25, divergence=10000.
126c4762a1bSJed Brown        left preconditioning
1278405740aSBarry Smith        not checking for convergence
1288cc725e6SPierre Jolivet      PC Object: (mg_levels_2_) 1 MPI process
129c4762a1bSJed Brown        type: sor
130c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
131ecf3d421SBarry Smith        linear system matrix, which is also used to construct the preconditioner:
1328cc725e6SPierre Jolivet        Mat Object: 1 MPI process
133c4762a1bSJed Brown          type: seqaij
134c4762a1bSJed Brown          rows=169, cols=169
135c4762a1bSJed Brown          total: nonzeros=1369, allocated nonzeros=1369
136c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
137c4762a1bSJed Brown            not using I-node routines
138c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
139c4762a1bSJed Brown    Down solver (pre-smoother) on level 3 -------------------------------
1408cc725e6SPierre Jolivet      KSP Object: (mg_levels_3_) 1 MPI process
141c4762a1bSJed Brown        type: chebyshev
142f2edd1f0SMalachi Phillips          Chebyshev polynomial of first kind
14373f7197eSJed Brown          eigenvalue targets used: min 0.498868, max 1.09751
14473f7197eSJed Brown          eigenvalues estimated via gmres: min 0.0267908, max 0.997736
14573f7197eSJed Brown          eigenvalues estimated using gmres with transform: [0. 0.5; 0. 1.1]
1468cc725e6SPierre Jolivet          KSP Object: (mg_levels_3_esteig_) 1 MPI process
147c4762a1bSJed Brown            type: gmres
148f971d498SPierre Jolivet              restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
149*143f2514SPierre Jolivet              happy breakdown tolerance=1e-30
150c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
151c4762a1bSJed Brown            tolerances: relative=1e-12, absolute=1e-25, divergence=10000.
152c4762a1bSJed Brown            left preconditioning
153c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
154dd8e379bSPierre Jolivet          estimating eigenvalues using a noisy random number generated right-hand side
155c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
156c4762a1bSJed Brown        tolerances: relative=1e-05, absolute=1e-25, divergence=10000.
157c4762a1bSJed Brown        left preconditioning
1588405740aSBarry Smith        not checking for convergence
1598cc725e6SPierre Jolivet      PC Object: (mg_levels_3_) 1 MPI process
160c4762a1bSJed Brown        type: sor
161c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
162ecf3d421SBarry Smith        linear system matrix, which is also used to construct the preconditioner:
1638cc725e6SPierre Jolivet        Mat Object: 1 MPI process
164c4762a1bSJed Brown          type: seqaij
165c4762a1bSJed Brown          rows=625, cols=625
166c4762a1bSJed Brown          total: nonzeros=3025, allocated nonzeros=3025
167c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
168c4762a1bSJed Brown            not using I-node routines
169c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
170ecf3d421SBarry Smith    linear system matrix, which is also used to construct the preconditioner:
1718cc725e6SPierre Jolivet    Mat Object: 1 MPI process
172c4762a1bSJed Brown      type: seqaij
173c4762a1bSJed Brown      rows=625, cols=625
174c4762a1bSJed Brown      total: nonzeros=3025, allocated nonzeros=3025
175c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
176c4762a1bSJed Brown        not using I-node routines
177