xref: /petsc/src/ts/tutorials/advection-diffusion-reaction/output/ex2_1_alt_3.out (revision 6a98f8dc3f2c9149905a87dc2e9d0fedaf64e09a)
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=2044
8  total number of linear solver iterations=2044
9  total number of linear solve failures=0
10  total number of rejected steps=75
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  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=20
57      total number of mallocs used during MatSetValues calls=0
58        using I-node routines: found 1 nodes, limit used is 5
59