xref: /petsc/src/ts/tutorials/output/ex40_n_ts_max_step_rejections-0.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
1      TSAdapt basic alpha 0: step   0 rejected t=0          + 2.500e-01 dt=2.500e-02  wlte=  538  wltea=   -1 wlter=   -1
2TS Object: 1 MPI process
3  type: alpha
4    Alpha_m=0.5, Alpha_f=0.5, Gamma=0.5
5  initial time step=0.25
6  maximum steps=1
7  maximum time=30.
8  maximum number of step rejections=0
9  maximum number of SNES failures allowed=1
10  total number of I function evaluations=6
11  total number of I Jacobian evaluations=3
12  total number of nonlinear solver iterations=3
13  total number of linear solver iterations=3
14  total number of nonlinear solve failures=0
15  total number of rejected steps=1
16  using relative error tolerance of 0.0001,   using absolute error tolerance of 0.0001
17  TSAdapt Object: 1 MPI process
18    type: basic
19    safety factor 0.9
20    extra safety factor after step rejection 0.5
21    clip fastest increase 10.
22    clip fastest decrease 0.1
23    maximum allowed timestep 0.5
24    minimum allowed timestep 0.
25    maximum solution absolute value to be ignored -1.
26  SNES Object: 1 MPI process
27    type: newtonls
28    maximum iterations=50, maximum function evaluations=10000
29    tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
30    total number of linear solver iterations=1
31    total number of function evaluations=2
32    norm schedule ALWAYS
33    SNESLineSearch Object: 1 MPI process
34      type: bt
35        interpolation: cubic
36        alpha=1.000000e-04
37      maxlambda=1.000000e+00, minlambda=1.000000e-12
38      tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
39      maximum iterations=40
40    KSP Object: 1 MPI process
41      type: gmres
42        restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
43        happy breakdown tolerance=1e-30
44      maximum iterations=10000, initial guess is zero
45      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
46      left preconditioning
47      using PRECONDITIONED norm type for convergence test
48    PC Object: 1 MPI process
49      type: ilu
50        out-of-place factorization
51        0 levels of fill
52        tolerance for zero pivot 2.22045e-14
53        matrix ordering: external
54        factor fill ratio given 0., needed 0.
55          Factored matrix:
56            Mat Object: 1 MPI process
57              type: seqdense
58              rows=2, cols=2
59              package used to perform factorization: petsc
60              total: nonzeros=4, allocated nonzeros=4
61      linear system matrix, which is also used to construct the preconditioner:
62      Mat Object: 1 MPI process
63        type: seqdense
64        rows=2, cols=2
65        total: nonzeros=4, allocated nonzeros=4
66        total number of mallocs used during MatSetValues calls=0
67