xref: /petsc/src/ts/tutorials/advection-diffusion-reaction/output/ex2_1.out (revision c87ba875e4007ad659b117ea274f03d5f4cd5ea7)
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=20000.
7  total number of nonlinear solver iterations=504
8  total number of linear solver iterations=504
9  total number of linear solve failures=0
10  total number of rejected steps=10
11  using relative error tolerance of 0.0001,   using absolute error tolerance of 0.0001
12  TSAdapt 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.
21  SNES 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    Jacobian is never rebuilt
29    KSP Object: 1 MPI processes
30      type: gmres
31        restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
32        happy breakdown tolerance 1e-30
33      maximum iterations=10000, initial guess is zero
34      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
35      left preconditioning
36      using PRECONDITIONED norm type for convergence test
37    PC Object: 1 MPI processes
38      type: ilu
39        out-of-place factorization
40        0 levels of fill
41        tolerance for zero pivot 2.22045e-14
42        matrix ordering: natural
43        factor fill ratio given 1., needed 1.
44          Factored matrix follows:
45            Mat Object: 1 MPI processes
46              type: seqaij
47              rows=4, cols=4
48              package used to perform factorization: petsc
49              total: nonzeros=16, allocated nonzeros=16
50              total number of mallocs used during MatSetValues calls=0
51                using I-node routines: found 1 nodes, limit used is 5
52      linear system matrix = precond matrix:
53      Mat Object: 1 MPI processes
54        type: seqaij
55        rows=4, cols=4
56        total: nonzeros=16, allocated nonzeros=16
57        total number of mallocs used during MatSetValues calls=0
58          using I-node routines: found 1 nodes, limit used is 5
59