xref: /petsc/src/snes/tests/output/ex7_3_alt.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
1    0 KSP Residual norm 7.280029654503e-01
2    1 KSP Residual norm 3.337686359882e-01
3    2 KSP Residual norm 8.313584327698e-02
4    3 KSP Residual norm 5.251736193895e-02
5    4 KSP Residual norm 1.542242534924e-05
6    5 KSP Residual norm 4.166617983969e-08
7    0 KSP Residual norm 9.233929216862e-03
8    1 KSP Residual norm 5.044257268310e-03
9    2 KSP Residual norm 1.899459050037e-03
10    3 KSP Residual norm 2.069697586649e-07
11    4 KSP Residual norm 1.956514728008e-09
12    0 KSP Residual norm 1.483853793616e-05
13    1 KSP Residual norm 6.195468358783e-06
14    2 KSP Residual norm 2.369386720602e-06
15    3 KSP Residual norm 3.775136292461e-07
16    4 KSP Residual norm 2.217341544750e-12
17SNES Object: 1 MPI process
18  type: newtonls
19  maximum iterations=50, maximum function evaluations=10000
20  tolerances: relative=1e-05, absolute=1e-25, solution=1e-05
21  total number of linear solver iterations=13
22  total number of function evaluations=23
23  norm schedule ALWAYS
24  SNESLineSearch Object: 1 MPI process
25    type: bt
26      interpolation: cubic
27      alpha=1.000000e-04
28    maxlambda=1.000000e+00, minlambda=1.000000e-12
29    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
30    maximum iterations=40
31  KSP Object: 1 MPI process
32    type: gmres
33      restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
34      happy breakdown tolerance=1e-30
35    maximum iterations=10000, initial guess is zero
36    tolerances: relative=1e-05, absolute=1e-25, divergence=10000.
37    left preconditioning
38    using PRECONDITIONED norm type for convergence test
39  PC Object: 1 MPI process
40    type: jacobi
41      type DIAGONAL
42    linear system matrix, followed by the matrix used to construct the preconditioner:
43    Mat Object: 1 MPI process
44      type: mffd
45      rows=5, cols=5
46        Matrix-free approximation:
47          err=0.000345267 (relative error in function evaluation)
48          Using wp compute h routine
49              Does not compute normU
50    Mat Object: 1 MPI process
51      type: seqaij
52      rows=5, cols=5
53      total: nonzeros=11, allocated nonzeros=15
54      total number of mallocs used during MatSetValues calls=0
55        not using I-node routines
56number of SNES iterations = 3
57
58