xref: /petsc/src/ts/tutorials/advection-diffusion-reaction/output/ex2_1_alt.out (revision d7cc930e14e615e9907267aaa472dd0ccceeab82)
1TS Object: 1 MPI processes
2  type: rosw
3    Rosenbrock-W ra34pw2
4    Abscissa of A       =  0.000000  0.871733  0.731580  1.000000
5    Abscissa of A+Gamma =  0.435867  0.871733  0.731580  1.000000
6  maximum time=100000.
7  total number of nonlinear solver iterations=2068
8  total number of linear solver iterations=2068
9  total number of linear solve failures=0
10  total number of rejected steps=79
11  using relative error tolerance of 0.0001,   using absolute error tolerance of 0.0001
12TSAdapt Object: 1 MPI processes
13  type: basic
14  safety factor 0.9
15  extra safety factor after step rejection 0.5
16  clip fastest increase 10.
17  clip fastest decrease 0.1
18  maximum allowed timestep 1e+20
19  minimum allowed timestep 1e-20
20  maximum solution absolute value to be ignored -1.
21SNES Object: 1 MPI processes
22  type: ksponly
23  maximum iterations=50, maximum function evaluations=10000
24  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
25  total number of linear solver iterations=1
26  total number of function evaluations=1
27  norm schedule ALWAYS
28  KSP Object: 1 MPI processes
29    type: gmres
30      restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
31      happy breakdown tolerance 1e-30
32    maximum iterations=10000, initial guess is zero
33    tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
34    left preconditioning
35    using PRECONDITIONED norm type for convergence test
36  PC Object: 1 MPI processes
37    type: ilu
38      out-of-place factorization
39      0 levels of fill
40      tolerance for zero pivot 2.22045e-14
41      matrix ordering: natural
42      factor fill ratio given 1., needed 1.
43        Factored matrix follows:
44          Mat Object: 1 MPI processes
45            type: seqaij
46            rows=4, cols=4
47            package used to perform factorization: petsc
48            total: nonzeros=16, allocated nonzeros=16
49              using I-node routines: found 1 nodes, limit used is 5
50    linear system matrix = precond matrix:
51    Mat Object: 1 MPI processes
52      type: seqaij
53      rows=4, cols=4
54      total: nonzeros=16, allocated nonzeros=20
55      total number of mallocs used during MatSetValues calls=0
56        using I-node routines: found 1 nodes, limit used is 5
57