xref: /petsc/src/ts/tutorials/advection-diffusion-reaction/output/ex1_3.out (revision 7cd49bdee00a26e142bff6e7df7c3fb9209fa795)
1TS Object: 1 MPI process
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 I function evaluations=144
9  total number of I Jacobian evaluations=18
10  total number of nonlinear solver iterations=72
11  total number of linear solver iterations=72
12  total number of linear solve failures=0
13  total number of rejected steps=3
14  using relative error tolerance of 0.0001,   using absolute error tolerance of 0.0001
15  TSAdapt Object: 1 MPI process
16    type: basic
17    safety factor 0.9
18    extra safety factor after step rejection 0.5
19    clip fastest increase 10.
20    clip fastest decrease 0.1
21    maximum allowed timestep 1e+20
22    minimum allowed timestep 1e-20
23    maximum solution absolute value to be ignored -1.
24  SNES Object: 1 MPI process
25    type: ksponly
26    maximum iterations=50, maximum function evaluations=10000
27    tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
28    total number of linear solver iterations=1
29    total number of function evaluations=2
30    norm schedule ALWAYS
31    Jacobian is applied matrix-free with differencing
32    KSP Object: 1 MPI process
33      type: gmres
34        restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
35        happy breakdown tolerance 1e-30
36      maximum iterations=10000, initial guess is zero
37      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
38      left preconditioning
39      using PRECONDITIONED norm type for convergence test
40    PC Object: 1 MPI process
41      type: ilu
42        out-of-place factorization
43        0 levels of fill
44        tolerance for zero pivot 2.22045e-14
45        matrix ordering: external
46        factor fill ratio given 0., needed 0.
47          Factored matrix:
48            Mat Object: 1 MPI process
49              type: seqdense
50              rows=3, cols=3
51              package used to perform factorization: petsc
52              total: nonzeros=9, allocated nonzeros=9
53      linear system matrix, followed by the matrix used to construct the preconditioner:
54      Mat Object: 1 MPI process
55        type: mffd
56        rows=3, cols=3
57          Matrix-free approximation:
58            err=1.49012e-08 (relative error in function evaluation)
59            Using wp compute h routine
60                Does not compute normU
61      Mat Object: 1 MPI process
62        type: seqdense
63        rows=3, cols=3
64        total: nonzeros=9, allocated nonzeros=9
65        total number of mallocs used during MatSetValues calls=0
66