xref: /petsc/src/ts/tutorials/advection-diffusion-reaction/output/ex1_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 steps=1000
7  maximum time=20.
8  total number of nonlinear solver iterations=108
9  total number of linear solver iterations=108
10  total number of linear solve failures=0
11  total number of rejected steps=0
12  using relative error tolerance of 0.0001,   using absolute error tolerance of 0.0001
13  TSAdapt Object: 1 MPI processes
14    type: basic
15    safety factor 0.9
16    extra safety factor after step rejection 0.5
17    clip fastest increase 10.
18    clip fastest decrease 0.1
19    maximum allowed timestep 1e+20
20    minimum allowed timestep 1e-20
21    maximum solution absolute value to be ignored -1.
22  SNES Object: 1 MPI processes
23    type: ksponly
24    maximum iterations=50, maximum function evaluations=10000
25    tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
26    total number of linear solver iterations=1
27    total number of function evaluations=1
28    norm schedule ALWAYS
29    Jacobian is never rebuilt
30    KSP Object: 1 MPI processes
31      type: gmres
32        restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
33        happy breakdown tolerance 1e-30
34      maximum iterations=10000, initial guess is zero
35      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
36      left preconditioning
37      using PRECONDITIONED norm type for convergence test
38    PC Object: 1 MPI processes
39      type: ilu
40        out-of-place factorization
41        0 levels of fill
42        tolerance for zero pivot 2.22045e-14
43        matrix ordering: natural
44        factor fill ratio given 1., needed 1.
45          Factored matrix follows:
46            Mat Object: 1 MPI processes
47              type: seqaij
48              rows=3, cols=3
49              package used to perform factorization: petsc
50              total: nonzeros=9, allocated nonzeros=9
51              total number of mallocs used during MatSetValues calls=0
52                using I-node routines: found 1 nodes, limit used is 5
53      linear system matrix = precond matrix:
54      Mat Object: 1 MPI processes
55        type: seqaij
56        rows=3, cols=3
57        total: nonzeros=9, allocated nonzeros=9
58        total number of mallocs used during MatSetValues calls=0
59          using I-node routines: found 1 nodes, limit used is 5
60