xref: /petsc/src/snes/tutorials/output/ex12_tri_q2q1_msm_lu.out (revision e19f88df7cd0bcfe73faf98683db6f77794e28aa)
1  0 SNES Function norm 8.32828
2    0 KSP Residual norm 11.1016
3    1 KSP Residual norm 0.209365
4    2 KSP Residual norm 5.25351e-05
5    3 KSP Residual norm < 1.e-11
6  Linear solve converged due to CONVERGED_RTOL iterations 3
7  1 SNES Function norm < 1.e-11
8L_2 Error: 0.00131794
9Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 1
10SNES Object: 1 MPI processes
11  type: newtonls
12  maximum iterations=50, maximum function evaluations=10000
13  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
14  total number of linear solver iterations=3
15  total number of function evaluations=2
16  norm schedule ALWAYS
17  SNESLineSearch Object: 1 MPI processes
18    type: bt
19      interpolation: cubic
20      alpha=1.000000e-04
21    maxstep=1.000000e+08, minlambda=1.000000e-12
22    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
23    maximum iterations=40
24  KSP Object: 1 MPI processes
25    type: gmres
26      restart=100, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
27      happy breakdown tolerance 1e-30
28    maximum iterations=10000, initial guess is zero
29    tolerances:  relative=1e-09, absolute=1e-50, divergence=10000.
30    left preconditioning
31    using PRECONDITIONED norm type for convergence test
32  PC Object: 1 MPI processes
33    type: asm
34      total subdomain blocks = 4, amount of overlap = 1
35      restriction/interpolation type - RESTRICT
36      Additive Schwarz: local solve composition type - MULTIPLICATIVE
37      Local solve is same for all blocks, in the following KSP and PC objects:
38      KSP Object: (sub_) 1 MPI processes
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        using NONE norm type for convergence test
44      PC Object: (sub_) 1 MPI processes
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 3.47132
50            Factored matrix follows:
51              Mat Object: 1 MPI processes
52                type: seqaij
53                rows=223, cols=223
54                package used to perform factorization: petsc
55                total: nonzeros=5023, allocated nonzeros=5023
56                total number of mallocs used during MatSetValues calls=0
57                  not using I-node routines
58        linear system matrix = precond matrix:
59        Mat Object: 1 MPI processes
60          type: seqaij
61          rows=223, cols=223
62          total: nonzeros=1447, allocated nonzeros=1447
63          total number of mallocs used during MatSetValues calls=0
64            not using I-node routines
65    linear system matrix = precond matrix:
66    Mat Object: 1 MPI processes
67      type: seqaij
68      rows=225, cols=225
69      total: nonzeros=1457, allocated nonzeros=1457
70      total number of mallocs used during MatSetValues calls=0
71        not using I-node routines
72