xref: /petsc/src/ts/tutorials/output/ex40_n_ts_max_step_rejections-2.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
2      TSAdapt basic alpha 0: step   0 rejected t=0          + 2.500e-02 dt=2.500e-03  wlte= 20.5  wltea=   -1 wlter=   -1
3      TSAdapt basic alpha 0: step   0 accepted t=0          + 2.500e-03 dt=4.166e-03  wlte=0.292  wltea=   -1 wlter=   -1
4TS Object: 1 MPI process
5  type: alpha
6    Alpha_m=0.5, Alpha_f=0.5, Gamma=0.5
7  initial time step=0.25
8  maximum steps=1
9  maximum time=30.
10  maximum number of step rejections=2
11  maximum number of SNES failures allowed=1
12  total number of I function evaluations=18
13  total number of I Jacobian evaluations=9
14  total number of nonlinear solver iterations=9
15  total number of linear solver iterations=9
16  total number of nonlinear solve failures=0
17  total number of rejected steps=2
18  using relative error tolerance of 0.0001,   using absolute error tolerance of 0.0001
19  TSAdapt Object: 1 MPI process
20    type: basic
21    safety factor 0.9
22    extra safety factor after step rejection 0.5
23    clip fastest increase 10.
24    clip fastest decrease 0.1
25    maximum allowed timestep 0.5
26    minimum allowed timestep 0.
27    maximum solution absolute value to be ignored -1.
28  SNES Object: 1 MPI process
29    type: newtonls
30    maximum iterations=50, maximum function evaluations=10000
31    tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
32    total number of linear solver iterations=1
33    total number of function evaluations=2
34    norm schedule ALWAYS
35    SNESLineSearch Object: 1 MPI process
36      type: bt
37        interpolation: cubic
38        alpha=1.000000e-04
39      maxlambda=1.000000e+00, minlambda=1.000000e-12
40      tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
41      maximum iterations=40
42    KSP Object: 1 MPI process
43      type: gmres
44        restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
45        happy breakdown tolerance=1e-30
46      maximum iterations=10000, initial guess is zero
47      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
48      left preconditioning
49      using PRECONDITIONED norm type for convergence test
50    PC Object: 1 MPI process
51      type: ilu
52        out-of-place factorization
53        0 levels of fill
54        tolerance for zero pivot 2.22045e-14
55        matrix ordering: external
56        factor fill ratio given 0., needed 0.
57          Factored matrix:
58            Mat Object: 1 MPI process
59              type: seqdense
60              rows=2, cols=2
61              package used to perform factorization: petsc
62              total: nonzeros=4, allocated nonzeros=4
63      linear system matrix, which is also used to construct the preconditioner:
64      Mat Object: 1 MPI process
65        type: seqdense
66        rows=2, cols=2
67        total: nonzeros=4, allocated nonzeros=4
68        total number of mallocs used during MatSetValues calls=0
69