xref: /petsc/src/snes/tutorials/output/ex12_tri_q2q1_msm_lu.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
1  0 SNES Function norm 8.32828
2    0 KSP Residual norm 11.2821
3    1 KSP Residual norm 0.0646504
4    2 KSP Residual norm < 1.e-11
5  Linear solve converged due to CONVERGED_RTOL iterations 2
6  1 SNES Function norm < 1.e-11
7L_2 Error: 0.00131794
8Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 1
9SNES Object: 1 MPI process
10  type: newtonls
11  maximum iterations=50, maximum function evaluations=10000
12  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
13  total number of linear solver iterations=2
14  total number of function evaluations=2
15  norm schedule ALWAYS
16  SNESLineSearch Object: 1 MPI process
17    type: bt
18      interpolation: cubic
19      alpha=1.000000e-04
20    maxlambda=1.000000e+00, minlambda=1.000000e-12
21    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
22    maximum iterations=40
23  KSP Object: 1 MPI process
24    type: gmres
25      restart=100, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
26      happy breakdown tolerance=1e-30
27    maximum iterations=10000, initial guess is zero
28    tolerances: relative=1e-09, absolute=1e-50, divergence=10000.
29    left preconditioning
30    using PRECONDITIONED norm type for convergence test
31  PC Object: 1 MPI process
32    type: asm
33      total subdomain blocks = 4, amount of overlap = 1
34      restriction/interpolation type - RESTRICT
35      Additive Schwarz: local solve composition type - MULTIPLICATIVE
36      Local solver information for first block is in the following KSP and PC objects on rank 0:
37      Use -ksp_view ::ascii_info_detail to display information for all blocks
38    KSP Object: (sub_) 1 MPI process
39      type: preonly
40      maximum iterations=10000, initial guess is zero
41      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
42      left preconditioning
43      not checking for convergence
44    PC Object: (sub_) 1 MPI process
45      type: lu
46        out-of-place factorization
47        tolerance for zero pivot 2.22045e-14
48        matrix ordering: nd
49        factor fill ratio given 5., needed 3.40496
50          Factored matrix:
51            Mat Object: (sub_) 1 MPI process
52              type: seqaij
53              rows=224, cols=224
54              package used to perform factorization: petsc
55              total: nonzeros=4944, allocated nonzeros=4944
56                not using I-node routines
57      linear system matrix, which is also used to construct the preconditioner:
58      Mat Object: (sub_) 1 MPI process
59        type: seqaij
60        rows=224, cols=224
61        total: nonzeros=1452, allocated nonzeros=1452
62        total number of mallocs used during MatSetValues calls=0
63          not using I-node routines
64    linear system matrix, which is also used to construct the preconditioner:
65    Mat Object: 1 MPI process
66      type: seqaij
67      rows=225, cols=225
68      total: nonzeros=1457, allocated nonzeros=1457
69      total number of mallocs used during MatSetValues calls=0
70        not using I-node routines
71