xref: /petsc/src/snes/tutorials/output/ex12_tri_q2q1_asm_lu.out (revision c4762a1b19cd2af06abeed90e8f9d34fb975dd94)
1  0 SNES Function norm 8.32828
2    0 KSP Residual norm 8.24364
3    1 KSP Residual norm 3.76271
4    2 KSP Residual norm 0.578182
5    3 KSP Residual norm 0.204792
6    4 KSP Residual norm 0.0326755
7    5 KSP Residual norm 0.012137
8    6 KSP Residual norm 0.0029573
9    7 KSP Residual norm 0.000465066
10    8 KSP Residual norm 8.00795e-05
11    9 KSP Residual norm 1.23888e-05
12   10 KSP Residual norm 2.68256e-06
13   11 KSP Residual norm 2.90122e-07
14   12 KSP Residual norm 4.62505e-08
15   13 KSP Residual norm 5.32787e-09
16  Linear solve converged due to CONVERGED_RTOL iterations 13
17  1 SNES Function norm 2.02587e-08
18L_2 Error: 0.00131794
19Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 1
20SNES Object: 1 MPI processes
21  type: newtonls
22  maximum iterations=50, maximum function evaluations=10000
23  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
24  total number of linear solver iterations=13
25  total number of function evaluations=2
26  norm schedule ALWAYS
27  SNESLineSearch Object: 1 MPI processes
28    type: bt
29      interpolation: cubic
30      alpha=1.000000e-04
31    maxstep=1.000000e+08, minlambda=1.000000e-12
32    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
33    maximum iterations=40
34  KSP Object: 1 MPI processes
35    type: gmres
36      restart=100, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
37      happy breakdown tolerance 1e-30
38    maximum iterations=10000, initial guess is zero
39    tolerances:  relative=1e-09, absolute=1e-50, divergence=10000.
40    left preconditioning
41    using PRECONDITIONED norm type for convergence test
42  PC Object: 1 MPI processes
43    type: asm
44      total subdomain blocks = 4, amount of overlap = 1
45      restriction/interpolation type - RESTRICT
46      Local solve is same for all blocks, in the following KSP and PC objects:
47      KSP Object: (sub_) 1 MPI processes
48        type: preonly
49        maximum iterations=10000, initial guess is zero
50        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
51        left preconditioning
52        using NONE norm type for convergence test
53      PC Object: (sub_) 1 MPI processes
54        type: lu
55          out-of-place factorization
56          tolerance for zero pivot 2.22045e-14
57          matrix ordering: nd
58          factor fill ratio given 5., needed 3.47132
59            Factored matrix follows:
60              Mat Object: 1 MPI processes
61                type: seqaij
62                rows=223, cols=223
63                package used to perform factorization: petsc
64                total: nonzeros=5023, allocated nonzeros=5023
65                total number of mallocs used during MatSetValues calls=0
66                  not using I-node routines
67        linear system matrix = precond matrix:
68        Mat Object: 1 MPI processes
69          type: seqaij
70          rows=223, cols=223
71          total: nonzeros=1447, allocated nonzeros=1447
72          total number of mallocs used during MatSetValues calls=0
73            not using I-node routines
74    linear system matrix = precond matrix:
75    Mat Object: 1 MPI processes
76      type: seqaij
77      rows=225, cols=225
78      total: nonzeros=1457, allocated nonzeros=1457
79      total number of mallocs used during MatSetValues calls=0
80        not using I-node routines
81