xref: /petsc/src/snes/tutorials/output/ex19_6.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
1c4762a1bSJed Brownlid velocity = 0.0204082, prandtl # = 1., grashof # = 1.
2c4762a1bSJed Brown  0 SNES Function norm 0.146194
3c4762a1bSJed Brown    0 KSP Residual norm 0.146194
4c4762a1bSJed Brown    1 KSP Residual norm 0.0554997
5c4762a1bSJed Brown    2 KSP Residual norm 0.0103331
6c4762a1bSJed Brown    3 KSP Residual norm 0.00349351
7c4762a1bSJed Brown    4 KSP Residual norm 0.00162771
8c4762a1bSJed Brown    5 KSP Residual norm 0.000420559
9c4762a1bSJed Brown    6 KSP Residual norm 0.000131423
10c4762a1bSJed Brown    7 KSP Residual norm 4.9738e-05
11c4762a1bSJed Brown    8 KSP Residual norm 1.91653e-05
12c4762a1bSJed Brown    9 KSP Residual norm 5.05572e-06
13c4762a1bSJed Brown   10 KSP Residual norm 1.51319e-06
14c4762a1bSJed Brown   11 KSP Residual norm 5.43836e-07
15c4762a1bSJed Brown  1 SNES Function norm 2.50119e-05
16c4762a1bSJed Brown    0 KSP Residual norm 2.50119e-05
17c4762a1bSJed Brown    1 KSP Residual norm 5.42803e-06
18c4762a1bSJed Brown    2 KSP Residual norm 1.19801e-06
19c4762a1bSJed Brown    3 KSP Residual norm 7.19919e-07
20c4762a1bSJed Brown    4 KSP Residual norm 3.23248e-07
21c4762a1bSJed Brown    5 KSP Residual norm 8.65301e-08
22c4762a1bSJed Brown    6 KSP Residual norm 3.40266e-08
23c4762a1bSJed Brown    7 KSP Residual norm 1.01576e-08
24c4762a1bSJed Brown    8 KSP Residual norm 1.77734e-09
25c4762a1bSJed Brown    9 KSP Residual norm 3.403e-10
26c4762a1bSJed Brown   10 KSP Residual norm 1.094e-10
27c4762a1bSJed Brown  2 SNES Function norm 1.093e-10
288cc725e6SPierre JolivetSNES Object: 1 MPI process
29c4762a1bSJed Brown  type: newtonls
30c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
31c4762a1bSJed Brown  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
32c4762a1bSJed Brown  total number of linear solver iterations=21
33c4762a1bSJed Brown  total number of function evaluations=3
34c4762a1bSJed Brown  norm schedule ALWAYS
35c4762a1bSJed Brown  Jacobian is built using colored finite differences on a DMDA
368cc725e6SPierre Jolivet  SNESLineSearch Object: 1 MPI process
37c4762a1bSJed Brown    type: bt
38c4762a1bSJed Brown      interpolation: cubic
39c4762a1bSJed Brown      alpha=1.000000e-04
40a99ef635SJonas Heinzmann    maxlambda=1.000000e+00, minlambda=1.000000e-12
41c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
42c4762a1bSJed Brown    maximum iterations=40
438cc725e6SPierre Jolivet  KSP Object: 1 MPI process
44c4762a1bSJed Brown    type: fgmres
45f971d498SPierre Jolivet      restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
46*143f2514SPierre Jolivet      happy breakdown tolerance=1e-30
47c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
48c4762a1bSJed Brown    tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
49c4762a1bSJed Brown    right preconditioning
50c4762a1bSJed Brown    using UNPRECONDITIONED norm type for convergence test
518cc725e6SPierre Jolivet  PC Object: 1 MPI process
52c4762a1bSJed Brown    type: fieldsplit
53c4762a1bSJed Brown      FieldSplit with MULTIPLICATIVE composition: total splits = 4
54c4762a1bSJed Brown      Solver info for each split is in the following KSP objects:
55c4762a1bSJed Brown    Split number 0 Defined by IS
568cc725e6SPierre Jolivet    KSP Object: (fieldsplit_x_velocity_) 1 MPI process
57c4762a1bSJed Brown      type: preonly
58c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
59c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
60c4762a1bSJed Brown      left preconditioning
618405740aSBarry Smith      not checking for convergence
628cc725e6SPierre Jolivet    PC Object: (fieldsplit_x_velocity_) 1 MPI process
63c4762a1bSJed Brown      type: ilu
64c4762a1bSJed Brown        out-of-place factorization
65c4762a1bSJed Brown        0 levels of fill
66c4762a1bSJed Brown        tolerance for zero pivot 2.22045e-14
67c4762a1bSJed Brown        matrix ordering: natural
68c4762a1bSJed Brown        factor fill ratio given 1., needed 1.
69ecf3d421SBarry Smith          Factored matrix:
7026cc229bSBarry Smith            Mat Object: (fieldsplit_x_velocity_) 1 MPI process
71c4762a1bSJed Brown              type: seqaij
72c4762a1bSJed Brown              rows=49, cols=49
73c4762a1bSJed Brown              package used to perform factorization: petsc
74c4762a1bSJed Brown              total: nonzeros=217, allocated nonzeros=217
75c4762a1bSJed Brown                not using I-node routines
76ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
778cc725e6SPierre Jolivet      Mat Object: (fieldsplit_x_velocity_) 1 MPI process
78c4762a1bSJed Brown        type: seqaij
79c4762a1bSJed Brown        rows=49, cols=49
80c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
81c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
82c4762a1bSJed Brown          not using I-node routines
83c4762a1bSJed Brown    Split number 1 Defined by IS
848cc725e6SPierre Jolivet    KSP Object: (fieldsplit_y_velocity_) 1 MPI process
85c4762a1bSJed Brown      type: preonly
86c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
87c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
88c4762a1bSJed Brown      left preconditioning
898405740aSBarry Smith      not checking for convergence
908cc725e6SPierre Jolivet    PC Object: (fieldsplit_y_velocity_) 1 MPI process
91c4762a1bSJed Brown      type: ilu
92c4762a1bSJed Brown        out-of-place factorization
93c4762a1bSJed Brown        0 levels of fill
94c4762a1bSJed Brown        tolerance for zero pivot 2.22045e-14
95c4762a1bSJed Brown        matrix ordering: natural
96c4762a1bSJed Brown        factor fill ratio given 1., needed 1.
97ecf3d421SBarry Smith          Factored matrix:
9826cc229bSBarry Smith            Mat Object: (fieldsplit_y_velocity_) 1 MPI process
99c4762a1bSJed Brown              type: seqaij
100c4762a1bSJed Brown              rows=49, cols=49
101c4762a1bSJed Brown              package used to perform factorization: petsc
102c4762a1bSJed Brown              total: nonzeros=217, allocated nonzeros=217
103c4762a1bSJed Brown                not using I-node routines
104ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
1058cc725e6SPierre Jolivet      Mat Object: (fieldsplit_y_velocity_) 1 MPI process
106c4762a1bSJed Brown        type: seqaij
107c4762a1bSJed Brown        rows=49, cols=49
108c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
109c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
110c4762a1bSJed Brown          not using I-node routines
111c4762a1bSJed Brown    Split number 2 Defined by IS
1128cc725e6SPierre Jolivet    KSP Object: (fieldsplit_Omega_) 1 MPI process
113c4762a1bSJed Brown      type: preonly
114c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
115c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
116c4762a1bSJed Brown      left preconditioning
1178405740aSBarry Smith      not checking for convergence
1188cc725e6SPierre Jolivet    PC Object: (fieldsplit_Omega_) 1 MPI process
119c4762a1bSJed Brown      type: ilu
120c4762a1bSJed Brown        out-of-place factorization
121c4762a1bSJed Brown        0 levels of fill
122c4762a1bSJed Brown        tolerance for zero pivot 2.22045e-14
123c4762a1bSJed Brown        matrix ordering: natural
124c4762a1bSJed Brown        factor fill ratio given 1., needed 1.
125ecf3d421SBarry Smith          Factored matrix:
12626cc229bSBarry Smith            Mat Object: (fieldsplit_Omega_) 1 MPI process
127c4762a1bSJed Brown              type: seqaij
128c4762a1bSJed Brown              rows=49, cols=49
129c4762a1bSJed Brown              package used to perform factorization: petsc
130c4762a1bSJed Brown              total: nonzeros=217, allocated nonzeros=217
131c4762a1bSJed Brown                not using I-node routines
132ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
1338cc725e6SPierre Jolivet      Mat Object: (fieldsplit_Omega_) 1 MPI process
134c4762a1bSJed Brown        type: seqaij
135c4762a1bSJed Brown        rows=49, cols=49
136c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
137c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
138c4762a1bSJed Brown          not using I-node routines
139c4762a1bSJed Brown    Split number 3 Defined by IS
1408cc725e6SPierre Jolivet    KSP Object: (fieldsplit_temperature_) 1 MPI process
141c4762a1bSJed Brown      type: preonly
142c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
143c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
144c4762a1bSJed Brown      left preconditioning
1458405740aSBarry Smith      not checking for convergence
1468cc725e6SPierre Jolivet    PC Object: (fieldsplit_temperature_) 1 MPI process
147c4762a1bSJed Brown      type: ilu
148c4762a1bSJed Brown        out-of-place factorization
149c4762a1bSJed Brown        0 levels of fill
150c4762a1bSJed Brown        tolerance for zero pivot 2.22045e-14
151c4762a1bSJed Brown        matrix ordering: natural
152c4762a1bSJed Brown        factor fill ratio given 1., needed 1.
153ecf3d421SBarry Smith          Factored matrix:
15426cc229bSBarry Smith            Mat Object: (fieldsplit_temperature_) 1 MPI process
155c4762a1bSJed Brown              type: seqaij
156c4762a1bSJed Brown              rows=49, cols=49
157c4762a1bSJed Brown              package used to perform factorization: petsc
158c4762a1bSJed Brown              total: nonzeros=217, allocated nonzeros=217
159c4762a1bSJed Brown                not using I-node routines
160ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
1618cc725e6SPierre Jolivet      Mat Object: (fieldsplit_temperature_) 1 MPI process
162c4762a1bSJed Brown        type: seqaij
163c4762a1bSJed Brown        rows=49, cols=49
164c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
165c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
166c4762a1bSJed Brown          not using I-node routines
167ecf3d421SBarry Smith    linear system matrix, which is also used to construct the preconditioner:
1688cc725e6SPierre Jolivet    Mat Object: 1 MPI process
169c4762a1bSJed Brown      type: seqaij
170c4762a1bSJed Brown      rows=196, cols=196, bs=4
171c4762a1bSJed Brown      total: nonzeros=3472, allocated nonzeros=3472
172c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
173c4762a1bSJed Brown        using I-node routines: found 49 nodes, limit used is 5
174c4762a1bSJed BrownNumber of SNES iterations = 2
175