xref: /petsc/src/ts/tutorials/output/ex3_3.out (revision f97672e55eacc8688507b9471cd7ec2664d7f203)
1Solving a linear TS problem on 1 processor
2Timestep   0: step size = 0.000143637, time = 0., 2-norm error = 0., max norm error = 0.
3    Linear solve converged due to CONVERGED_RTOL iterations 1
4    Linear solve converged due to CONVERGED_RTOL iterations 1
5    Linear solve converged due to CONVERGED_RTOL iterations 1
6    Linear solve converged due to CONVERGED_RTOL iterations 1
7Timestep   1: step size = 0.000504055, time = 0.000143637, 2-norm error = 0.000290581, max norm error = 0.0004186
8    Linear solve converged due to CONVERGED_RTOL iterations 1
9    Linear solve converged due to CONVERGED_RTOL iterations 1
10    Linear solve converged due to CONVERGED_RTOL iterations 1
11    Linear solve converged due to CONVERGED_RTOL iterations 1
12Timestep   2: step size = 0.000500257, time = 0.000647692, 2-norm error = 0.0010422, max norm error = 0.00150753
13    Linear solve converged due to CONVERGED_RTOL iterations 1
14    Linear solve converged due to CONVERGED_RTOL iterations 1
15    Linear solve converged due to CONVERGED_RTOL iterations 1
16    Linear solve converged due to CONVERGED_RTOL iterations 1
17Timestep   3: step size = 0.000526001, time = 0.00114795, 2-norm error = 0.0015392, max norm error = 0.0022348
18avg. error (2 norm) = 0.000957327, avg. error (max norm) = 0.00138698
19TS Object: 1 MPI process
20  type: rosw
21    Rosenbrock-W ra34pw2
22    Abscissa of A       =  0.000000  0.871733  0.731580  1.000000
23    Abscissa of A+Gamma =  0.435867  0.871733  0.731580  1.000000
24  maximum steps=3
25  maximum time=100.
26  total number of RHS function evaluations=12
27  total number of RHS Jacobian evaluations=12
28  total number of linear solver iterations=12
29  total number of linear solve failures=0
30  total number of rejected steps=0
31  using relative error tolerance of 0.0001,   using absolute error tolerance of 0.0001
32  TSAdapt Object: 1 MPI process
33    type: basic
34    safety factor 0.9
35    extra safety factor after step rejection 0.5
36    clip fastest increase 10.
37    clip fastest decrease 0.1
38    maximum allowed timestep 1e+20
39    minimum allowed timestep 1e-20
40    maximum solution absolute value to be ignored -1.
41  SNES Object: 1 MPI process
42    type: ksponly
43    maximum iterations=50, maximum function evaluations=10000
44    tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
45    total number of linear solver iterations=1
46    total number of function evaluations=1
47    norm schedule ALWAYS
48    KSP Object: 1 MPI process
49      type: gmres
50        restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
51        happy breakdown tolerance 1e-30
52      maximum iterations=10000, initial guess is zero
53      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
54      left preconditioning
55      using PRECONDITIONED norm type for convergence test
56    PC Object: 1 MPI process
57      type: ilu
58        out-of-place factorization
59        0 levels of fill
60        tolerance for zero pivot 2.22045e-14
61        matrix ordering: natural
62        factor fill ratio given 1., needed 1.
63          Factored matrix follows:
64            Mat Object: 1 MPI process
65              type: seqaij
66              rows=60, cols=60
67              package used to perform factorization: petsc
68              total: nonzeros=176, allocated nonzeros=176
69                not using I-node routines
70      linear system matrix followed by preconditioner matrix:
71      Mat Object: 1 MPI process
72        type: seqaij
73        rows=60, cols=60
74        total: nonzeros=176, allocated nonzeros=176
75        total number of mallocs used during MatSetValues calls=0
76          not using I-node routines
77      Mat Object: 1 MPI process
78        type: seqaij
79        rows=60, cols=60
80        total: nonzeros=176, allocated nonzeros=176
81        total number of mallocs used during MatSetValues calls=0
82          not using I-node routines
83