xref: /petsc/src/snes/tutorials/output/ex5_4_alt.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
1c4762a1bSJed Brown      0 SNES Function norm 0.995735
2c4762a1bSJed Brown      Linear solve converged due to CONVERGED_RTOL iterations 2
3c4762a1bSJed Brown      1 SNES Function norm 0.276938
4c4762a1bSJed Brown      Linear solve converged due to CONVERGED_RTOL iterations 2
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 4.6129e-06
8c4762a1bSJed Brown    Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 3
9c4762a1bSJed Brown    0 SNES Function norm 0.0763977
10c4762a1bSJed Brown    Linear solve converged due to CONVERGED_RTOL iterations 6
11c4762a1bSJed Brown    1 SNES Function norm 2.68517e-05
12c4762a1bSJed Brown    Linear solve converged due to CONVERGED_RTOL iterations 5
13c4762a1bSJed Brown    2 SNES Function norm 1.90304e-08
14c4762a1bSJed Brown  Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 2
15c4762a1bSJed Brown  0 SNES Function norm 0.0408394
16c4762a1bSJed Brown  Linear solve converged due to CONVERGED_RTOL iterations 6
17c4762a1bSJed Brown  1 SNES Function norm 9.67955e-07
18c4762a1bSJed Brown  Linear solve converged due to CONVERGED_RTOL iterations 4
19c4762a1bSJed Brown  2 SNES Function norm 3.74739e-08
20c4762a1bSJed BrownNonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 2
21c4762a1bSJed BrownSNES Object: 2 MPI processes
22c4762a1bSJed Brown  type: newtonls
23c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
24c4762a1bSJed Brown  tolerances: relative=1e-05, absolute=-1., solution=1e-05
25c4762a1bSJed Brown  total number of linear solver iterations=27
26c4762a1bSJed Brown  total number of function evaluations=10
27c4762a1bSJed Brown  norm schedule ALWAYS
28c4762a1bSJed Brown  total number of grid sequence refinements=2
29c4762a1bSJed Brown  Jacobian is built using a DMDA local Jacobian
30c4762a1bSJed Brown  SNESLineSearch Object: 2 MPI processes
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
37c4762a1bSJed Brown  KSP Object: 2 MPI processes
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
45c4762a1bSJed Brown  PC Object: 2 MPI processes
46c4762a1bSJed Brown    type: mg
47c4762a1bSJed Brown      type is MULTIPLICATIVE, levels=3 cycles=v
48c4762a1bSJed Brown        Cycles per PCApply=1
49c4762a1bSJed Brown        Not using Galerkin computed coarse grid matrices
5063a3b9bcSJacob Faibussowitsch    Coarse grid solver -- level 0 -------------------------------
51c4762a1bSJed Brown      KSP Object: (mg_coarse_) 2 MPI processes
52c4762a1bSJed Brown        type: preonly
53c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
54c4762a1bSJed Brown        tolerances: relative=1e-05, absolute=1e-25, divergence=10000.
55c4762a1bSJed Brown        left preconditioning
568405740aSBarry Smith        not checking for convergence
57c4762a1bSJed Brown      PC Object: (mg_coarse_) 2 MPI processes
58c4762a1bSJed Brown        type: redundant
59c4762a1bSJed Brown          First (color=0) of 2 PCs follows
608cc725e6SPierre Jolivet          KSP Object: (mg_coarse_redundant_) 1 MPI process
61c4762a1bSJed Brown            type: preonly
62c4762a1bSJed Brown            maximum iterations=10000, initial guess is zero
63c4762a1bSJed Brown            tolerances: relative=1e-05, absolute=1e-25, divergence=10000.
64c4762a1bSJed Brown            left preconditioning
658405740aSBarry Smith            not checking for convergence
668cc725e6SPierre Jolivet          PC Object: (mg_coarse_redundant_) 1 MPI process
67c4762a1bSJed Brown            type: lu
68c4762a1bSJed Brown              out-of-place factorization
69c4762a1bSJed Brown              tolerance for zero pivot 1.19209e-05
70c4762a1bSJed Brown              using diagonal shift on blocks to prevent zero pivot [INBLOCKS]
71c4762a1bSJed Brown              matrix ordering: nd
72c4762a1bSJed Brown              factor fill ratio given 5., needed 1.875
73ecf3d421SBarry Smith                Factored matrix:
7426cc229bSBarry Smith                  Mat Object: (mg_coarse_redundant_) 1 MPI process
75c4762a1bSJed Brown                    type: seqaij
76c4762a1bSJed Brown                    rows=16, cols=16
77c4762a1bSJed Brown                    package used to perform factorization: petsc
78c4762a1bSJed Brown                    total: nonzeros=120, allocated nonzeros=120
79c4762a1bSJed Brown                      using I-node routines: found 12 nodes, limit used is 5
80ecf3d421SBarry Smith            linear system matrix, which is also used to construct the preconditioner:
8126cc229bSBarry Smith            Mat Object: 1 MPI process
82c4762a1bSJed Brown              type: seqaij
83c4762a1bSJed Brown              rows=16, cols=16
84c4762a1bSJed Brown              total: nonzeros=64, allocated nonzeros=64
85c4762a1bSJed Brown              total number of mallocs used during MatSetValues calls=0
86c4762a1bSJed Brown                not using I-node routines
87ecf3d421SBarry Smith        linear system matrix, which is also used to construct the preconditioner:
88c4762a1bSJed Brown        Mat Object: 2 MPI processes
89c4762a1bSJed Brown          type: mpiaij
90c4762a1bSJed Brown          rows=16, cols=16
91c4762a1bSJed Brown          total: nonzeros=64, allocated nonzeros=64
92c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
93c4762a1bSJed Brown    Down solver (pre-smoother) on level 1 -------------------------------
94c4762a1bSJed Brown      KSP Object: (mg_levels_1_) 2 MPI processes
95c4762a1bSJed Brown        type: chebyshev
96f2edd1f0SMalachi Phillips          Chebyshev polynomial of first kind
9773f7197eSJed Brown          eigenvalue targets used: min 0.128728, max 1.41601
9873f7197eSJed Brown          eigenvalues estimated via gmres: min 0.220123, max 1.28728
9973f7197eSJed Brown          eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1]
100c4762a1bSJed Brown          KSP Object: (mg_levels_1_esteig_) 2 MPI processes
101c4762a1bSJed Brown            type: gmres
102f971d498SPierre Jolivet              restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
103*143f2514SPierre Jolivet              happy breakdown tolerance=1e-30
104c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
105c4762a1bSJed Brown            tolerances: relative=1e-12, absolute=1e-25, divergence=10000.
106c4762a1bSJed Brown            left preconditioning
107c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
108dd8e379bSPierre Jolivet          estimating eigenvalues using a noisy random number generated right-hand side
109c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
110c4762a1bSJed Brown        tolerances: relative=1e-05, absolute=1e-25, divergence=10000.
111c4762a1bSJed Brown        left preconditioning
1128405740aSBarry Smith        not checking for convergence
113c4762a1bSJed Brown      PC Object: (mg_levels_1_) 2 MPI processes
114c4762a1bSJed Brown        type: sor
115c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
116ecf3d421SBarry Smith        linear system matrix, which is also used to construct the preconditioner:
117c4762a1bSJed Brown        Mat Object: 2 MPI processes
118c4762a1bSJed Brown          type: mpiaij
119c4762a1bSJed Brown          rows=49, cols=49
120c4762a1bSJed Brown          total: nonzeros=217, allocated nonzeros=217
121c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
122c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
123c4762a1bSJed Brown    Down solver (pre-smoother) on level 2 -------------------------------
124c4762a1bSJed Brown      KSP Object: (mg_levels_2_) 2 MPI processes
125c4762a1bSJed Brown        type: chebyshev
126f2edd1f0SMalachi Phillips          Chebyshev polynomial of first kind
12773f7197eSJed Brown          eigenvalue targets used: min 0.12637, max 1.39007
12873f7197eSJed Brown          eigenvalues estimated via gmres: min 0.0725255, max 1.2637
12973f7197eSJed Brown          eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1]
130c4762a1bSJed Brown          KSP Object: (mg_levels_2_esteig_) 2 MPI processes
131c4762a1bSJed Brown            type: gmres
132f971d498SPierre Jolivet              restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
133*143f2514SPierre Jolivet              happy breakdown tolerance=1e-30
134c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
135c4762a1bSJed Brown            tolerances: relative=1e-12, absolute=1e-25, divergence=10000.
136c4762a1bSJed Brown            left preconditioning
137c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
138dd8e379bSPierre Jolivet          estimating eigenvalues using a noisy random number generated right-hand side
139c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
140c4762a1bSJed Brown        tolerances: relative=1e-05, absolute=1e-25, divergence=10000.
141c4762a1bSJed Brown        left preconditioning
1428405740aSBarry Smith        not checking for convergence
143c4762a1bSJed Brown      PC Object: (mg_levels_2_) 2 MPI processes
144c4762a1bSJed Brown        type: sor
145c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
146ecf3d421SBarry Smith        linear system matrix, which is also used to construct the preconditioner:
147c4762a1bSJed Brown        Mat Object: 2 MPI processes
148c4762a1bSJed Brown          type: mpiaij
149c4762a1bSJed Brown          rows=169, cols=169
150c4762a1bSJed Brown          total: nonzeros=793, allocated nonzeros=793
151c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
152c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
153ecf3d421SBarry Smith    linear system matrix, which is also used to construct the preconditioner:
154c4762a1bSJed Brown    Mat Object: 2 MPI processes
155c4762a1bSJed Brown      type: mpiaij
156c4762a1bSJed Brown      rows=169, cols=169
157c4762a1bSJed Brown      total: nonzeros=793, allocated nonzeros=793
158c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
159