xref: /petsc/src/snes/tutorials/output/ex19_8.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 < 1.e-11
5c4762a1bSJed Brown  1 SNES Function norm 2.50702e-05
6c4762a1bSJed Brown    0 KSP Residual norm 2.50702e-05
7c4762a1bSJed Brown    1 KSP Residual norm < 1.e-11
8c4762a1bSJed Brown  2 SNES Function norm < 1.e-11
98cc725e6SPierre JolivetSNES Object: 1 MPI process
10c4762a1bSJed Brown  type: newtonls
11c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
12c4762a1bSJed Brown  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
13c4762a1bSJed Brown  total number of linear solver iterations=2
14c4762a1bSJed Brown  total number of function evaluations=3
15c4762a1bSJed Brown  norm schedule ALWAYS
16c4762a1bSJed Brown  Jacobian is built using colored finite differences on a DMDA
178cc725e6SPierre Jolivet  SNESLineSearch Object: 1 MPI process
18c4762a1bSJed Brown    type: bt
19c4762a1bSJed Brown      interpolation: cubic
20c4762a1bSJed Brown      alpha=1.000000e-04
21a99ef635SJonas Heinzmann    maxlambda=1.000000e+00, minlambda=1.000000e-12
22c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
23c4762a1bSJed Brown    maximum iterations=40
248cc725e6SPierre Jolivet  KSP Object: 1 MPI process
25c4762a1bSJed Brown    type: fgmres
26f971d498SPierre Jolivet      restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
27*143f2514SPierre Jolivet      happy breakdown tolerance=1e-30
28c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
29c4762a1bSJed Brown    tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
30c4762a1bSJed Brown    right preconditioning
31c4762a1bSJed Brown    using UNPRECONDITIONED norm type for convergence test
328cc725e6SPierre Jolivet  PC Object: 1 MPI process
33c4762a1bSJed Brown    type: fieldsplit
34c4762a1bSJed Brown      FieldSplit with MULTIPLICATIVE composition: total splits = 2, blocksize = 2
35c4762a1bSJed Brown      Solver info for each split is in the following KSP objects:
36c4762a1bSJed Brown    Split number 0 Fields  0, 1
378cc725e6SPierre Jolivet    KSP Object: (fieldsplit_0_) 1 MPI process
38c4762a1bSJed Brown      type: preonly
39c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
40c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
41c4762a1bSJed Brown      left preconditioning
428405740aSBarry Smith      not checking for convergence
438cc725e6SPierre Jolivet    PC Object: (fieldsplit_0_) 1 MPI process
44c4762a1bSJed Brown      type: lu
45c4762a1bSJed Brown        out-of-place factorization
46c4762a1bSJed Brown        tolerance for zero pivot 2.22045e-14
47c4762a1bSJed Brown        matrix ordering: nd
48c4762a1bSJed Brown        factor fill ratio given 5., needed 2.5576
49ecf3d421SBarry Smith          Factored matrix:
5026cc229bSBarry Smith            Mat Object: (fieldsplit_0_) 1 MPI process
51c4762a1bSJed Brown              type: seqaij
52c4762a1bSJed Brown              rows=196, cols=196, bs=2
53c4762a1bSJed Brown              package used to perform factorization: petsc
54c4762a1bSJed Brown              total: nonzeros=8880, allocated nonzeros=8880
55c4762a1bSJed Brown                using I-node routines: found 49 nodes, limit used is 5
56ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
578cc725e6SPierre Jolivet      Mat Object: (fieldsplit_0_) 1 MPI process
58c4762a1bSJed Brown        type: seqaij
59c4762a1bSJed Brown        rows=196, cols=196, bs=2
60c4762a1bSJed Brown        total: nonzeros=3472, allocated nonzeros=3472
61c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
62c4762a1bSJed Brown          using I-node routines: found 49 nodes, limit used is 5
63c4762a1bSJed Brown    Split number 1 Fields  0, 1
648cc725e6SPierre Jolivet    KSP Object: (fieldsplit_1_) 1 MPI process
65c4762a1bSJed Brown      type: preonly
66c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
67c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
68c4762a1bSJed Brown      left preconditioning
698405740aSBarry Smith      not checking for convergence
708cc725e6SPierre Jolivet    PC Object: (fieldsplit_1_) 1 MPI process
71c4762a1bSJed Brown      type: lu
72c4762a1bSJed Brown        out-of-place factorization
73c4762a1bSJed Brown        tolerance for zero pivot 2.22045e-14
74c4762a1bSJed Brown        matrix ordering: nd
75c4762a1bSJed Brown        factor fill ratio given 5., needed 2.5576
76ecf3d421SBarry Smith          Factored matrix:
7726cc229bSBarry Smith            Mat Object: (fieldsplit_1_) 1 MPI process
78c4762a1bSJed Brown              type: seqaij
79c4762a1bSJed Brown              rows=196, cols=196, bs=2
80c4762a1bSJed Brown              package used to perform factorization: petsc
81c4762a1bSJed Brown              total: nonzeros=8880, allocated nonzeros=8880
82c4762a1bSJed Brown                using I-node routines: found 49 nodes, limit used is 5
83ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
848cc725e6SPierre Jolivet      Mat Object: (fieldsplit_1_) 1 MPI process
85c4762a1bSJed Brown        type: seqaij
86c4762a1bSJed Brown        rows=196, cols=196, bs=2
87c4762a1bSJed Brown        total: nonzeros=3472, allocated nonzeros=3472
88c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
89c4762a1bSJed Brown          using I-node routines: found 49 nodes, limit used is 5
90ecf3d421SBarry Smith    linear system matrix, which is also used to construct the preconditioner:
918cc725e6SPierre Jolivet    Mat Object: 1 MPI process
92c4762a1bSJed Brown      type: seqaij
93c4762a1bSJed Brown      rows=196, cols=196, bs=4
94c4762a1bSJed Brown      total: nonzeros=3472, allocated nonzeros=3472
95c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
96c4762a1bSJed Brown        using I-node routines: found 49 nodes, limit used is 5
97c4762a1bSJed BrownNumber of SNES iterations = 2
98