xref: /petsc/src/snes/tests/output/ex7_4_alt_2.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
1    0 KSP Residual norm 7.280770540237e-01
2    1 KSP Residual norm 3.337812423706e-01
3    2 KSP Residual norm 8.313740044832e-02
4    3 KSP Residual norm 5.251832678914e-02
5    4 KSP Residual norm 1.543122743897e-05
6    5 KSP Residual norm 8.220995795227e-08
7    0 KSP Residual norm 9.231762960553e-03
8    1 KSP Residual norm 5.040043033659e-03
9    2 KSP Residual norm 1.892581814900e-03
10    3 KSP Residual norm 1.012579815551e-07
11    4 KSP Residual norm 1.632135870899e-09
12    0 KSP Residual norm 1.440683990950e-05
13    1 KSP Residual norm 1.018413422571e-05
14    2 KSP Residual norm 5.139805580257e-06
15    3 KSP Residual norm 4.683830070462e-07
16    4 KSP Residual norm 1.860650522545e-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=26
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, which is also 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
50number of SNES iterations = 3
51
52