xref: /petsc/src/snes/tutorials/output/ex19_asm_matconvert.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
1a8e42557SLawrence Mitchelllid velocity = 0.0625, prandtl # = 1., grashof # = 1.
28cc725e6SPierre JolivetSNES Object: 1 MPI process
3a8e42557SLawrence Mitchell  type: newtonls
4a8e42557SLawrence Mitchell  maximum iterations=50, maximum function evaluations=10000
5a8e42557SLawrence Mitchell  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
6a8e42557SLawrence Mitchell  total number of linear solver iterations=2
7a8e42557SLawrence Mitchell  total number of function evaluations=3
8a8e42557SLawrence Mitchell  norm schedule ALWAYS
9a8e42557SLawrence Mitchell  Jacobian is built using colored finite differences on a DMDA
108cc725e6SPierre Jolivet  SNESLineSearch Object: 1 MPI process
11a8e42557SLawrence Mitchell    type: bt
12a8e42557SLawrence Mitchell      interpolation: cubic
13a8e42557SLawrence Mitchell      alpha=1.000000e-04
14a99ef635SJonas Heinzmann    maxlambda=1.000000e+00, minlambda=1.000000e-12
15a8e42557SLawrence Mitchell    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
16a8e42557SLawrence Mitchell    maximum iterations=40
178cc725e6SPierre Jolivet  KSP Object: 1 MPI process
18a8e42557SLawrence Mitchell    type: gmres
19f971d498SPierre Jolivet      restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
20*143f2514SPierre Jolivet      happy breakdown tolerance=1e-30
21a8e42557SLawrence Mitchell    maximum iterations=10000, initial guess is zero
22a8e42557SLawrence Mitchell    tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
23a8e42557SLawrence Mitchell    left preconditioning
24a8e42557SLawrence Mitchell    using PRECONDITIONED norm type for convergence test
258cc725e6SPierre Jolivet  PC Object: 1 MPI process
26a8e42557SLawrence Mitchell    type: asm
27a8e42557SLawrence Mitchell      total subdomain blocks = 1, amount of overlap = 1
28a8e42557SLawrence Mitchell      restriction/interpolation type - RESTRICT
29ed155784SPierre Jolivet      Local solver information for first block is in the following KSP and PC objects on rank 0:
30ed155784SPierre Jolivet      Use -ksp_view ::ascii_info_detail to display information for all blocks
318cc725e6SPierre Jolivet      KSP Object: (sub_) 1 MPI process
32a8e42557SLawrence Mitchell        type: preonly
33a8e42557SLawrence Mitchell        maximum iterations=10000, initial guess is zero
34a8e42557SLawrence Mitchell        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
35a8e42557SLawrence Mitchell        left preconditioning
368405740aSBarry Smith        not checking for convergence
378cc725e6SPierre Jolivet      PC Object: (sub_) 1 MPI process
38a8e42557SLawrence Mitchell        type: ilu
39a8e42557SLawrence Mitchell          out-of-place factorization
40a8e42557SLawrence Mitchell          0 levels of fill
41a8e42557SLawrence Mitchell          tolerance for zero pivot 2.22045e-14
42a8e42557SLawrence Mitchell          matrix ordering: external
43a8e42557SLawrence Mitchell          factor fill ratio given 0., needed 0.
44ecf3d421SBarry Smith            Factored matrix:
4526cc229bSBarry Smith              Mat Object: (sub_) 1 MPI process
46a8e42557SLawrence Mitchell                type: seqdense
47a8e42557SLawrence Mitchell                rows=64, cols=64
48a8e42557SLawrence Mitchell                package used to perform factorization: petsc
49a8e42557SLawrence Mitchell                total: nonzeros=4096, allocated nonzeros=4096
50ecf3d421SBarry Smith        linear system matrix, which is also used to construct the preconditioner:
518cc725e6SPierre Jolivet        Mat Object: (sub_) 1 MPI process
52a8e42557SLawrence Mitchell          type: seqdense
53a8e42557SLawrence Mitchell          rows=64, cols=64
54a8e42557SLawrence Mitchell          total: nonzeros=4096, allocated nonzeros=4096
55a8e42557SLawrence Mitchell          total number of mallocs used during MatSetValues calls=0
56ecf3d421SBarry Smith    linear system matrix, which is also used to construct the preconditioner:
578cc725e6SPierre Jolivet    Mat Object: 1 MPI process
58a8e42557SLawrence Mitchell      type: seqaij
59a8e42557SLawrence Mitchell      rows=64, cols=64, bs=4
60a8e42557SLawrence Mitchell      total: nonzeros=1024, allocated nonzeros=1024
61a8e42557SLawrence Mitchell      total number of mallocs used during MatSetValues calls=0
62a8e42557SLawrence Mitchell        using I-node routines: found 16 nodes, limit used is 5
63a8e42557SLawrence MitchellNumber of SNES iterations = 2
64