xref: /petsc/src/ts/tests/output/ex21_1_bdf_ngmres_fas_ngs.out (revision ccb4e88a40f0b86eaeca07ff64c64e4de2fae686)
1DM Object: 1 MPI processes
2  type: da
3Processor [0] M 17 N 17 m 1 n 1 w 1 s 1
4X range of indices: 0 17, Y range of indices: 0 17
5DM Object: 1 MPI processes
6  type: da
7Processor [0] M 17 N 17 m 1 n 1 w 2 s 1
8X range of indices: 0 17, Y range of indices: 0 17
90 TS dt 0.001 time 0.
10DM Object: 1 MPI processes
11  type: da
12Processor [0] M 9 N 9 m 1 n 1 w 1 s 1
13X range of indices: 0 9, Y range of indices: 0 9
14DM Object: 1 MPI processes
15  type: da
16Processor [0] M 9 N 9 m 1 n 1 w 2 s 1
17X range of indices: 0 9, Y range of indices: 0 9
18DM Object: 1 MPI processes
19  type: da
20Processor [0] M 5 N 5 m 1 n 1 w 1 s 1
21X range of indices: 0 5, Y range of indices: 0 5
22DM Object: 1 MPI processes
23  type: da
24Processor [0] M 5 N 5 m 1 n 1 w 2 s 1
25X range of indices: 0 5, Y range of indices: 0 5
261 TS dt 0.001 time 0.001
272 TS dt 0.001 time 0.002
283 TS dt 0.001 time 0.003
294 TS dt 0.001 time 0.004
305 TS dt 0.001 time 0.005
31TS Object: 1 MPI processes
32  type: bdf
33    Order=2
34  maximum steps=5
35  maximum time=1.
36  using relative error tolerance of 0.0001,   using absolute error tolerance of 0.0001
37  TSAdapt Object: 1 MPI processes
38    type: none
39  SNES Object: 1 MPI processes
40    type: ngmres
41      Number of stored past updates: 30
42      Residual selection: gammaA=2e+00, gammaC=2e+00
43      Difference restart: epsilonB=1e-01, deltaB=9e-01
44      Restart on F_M residual increase: FALSE
45    maximum iterations=10000, maximum function evaluations=30000
46    tolerances: relative=1e-06, absolute=1e-50, solution=1e-08
47    norm schedule ALWAYS
48    SNESLineSearch Object: 1 MPI processes
49      type: basic
50      maxstep=1.000000e+08, minlambda=1.000000e-12
51      tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
52      maximum iterations=1
53    SNES Object: (npc_) 1 MPI processes
54      type: fas
55        type is MULTIPLICATIVE, levels=3, cycles=1
56        Not using Galerkin computed coarse grid function evaluation
57        Coarse grid solver -- level 0 -------------------------------
58        SNES Object: (npc_fas_coarse_) 1 MPI processes
59          type: newtonls
60          maximum iterations=50, maximum function evaluations=10000
61          tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
62          SNESLineSearch Object: (npc_fas_coarse_) 1 MPI processes
63            type: bt
64              interpolation: cubic
65              alpha=1.000000e-04
66            maxstep=1.000000e+08, minlambda=1.000000e-12
67            tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
68            maximum iterations=40
69          KSP Object: (npc_fas_coarse_) 1 MPI processes
70            type: gmres
71              restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
72              happy breakdown tolerance 1e-30
73            maximum iterations=10000, initial guess is zero
74            tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
75            left preconditioning
76            using PRECONDITIONED norm type for convergence test
77          PC Object: (npc_fas_coarse_) 1 MPI processes
78            type: ilu
79              out-of-place factorization
80              0 levels of fill
81              tolerance for zero pivot 2.22045e-14
82              matrix ordering: natural
83              factor fill ratio given 1., needed 1.
84                Factored matrix follows:
85                  Mat Object: 1 MPI processes
86                    type: seqaij
87                    rows=25, cols=25
88                    package used to perform factorization: petsc
89                    total: nonzeros=105, allocated nonzeros=105
90                      not using I-node routines
91            linear system matrix = precond matrix:
92            Mat Object: 1 MPI processes
93              type: seqaij
94              rows=25, cols=25
95              total: nonzeros=105, allocated nonzeros=105
96                not using I-node routines
97        Down solver (pre-smoother) on level 1 -------------------------------
98        SNES Object: (npc_fas_levels_1_) 1 MPI processes
99          type: ngs
100            Use finite difference secant approximation with coloring with h = 1e-08
101          maximum iterations=5, maximum function evaluations=30000
102          tolerances: relative=0., absolute=0., solution=0.
103          norm schedule FINALONLY
104        Up solver (post-smoother) same as down solver (pre-smoother)
105        Down solver (pre-smoother) on level 2 -------------------------------
106        SNES Object: (npc_fas_levels_2_) 1 MPI processes
107          type: ngs
108            Use finite difference secant approximation with coloring with h = 1e-08
109          maximum iterations=5, maximum function evaluations=30000
110          tolerances: relative=0., absolute=0., solution=0.
111          norm schedule FINALONLY
112        Up solver (post-smoother) same as down solver (pre-smoother)
113      maximum iterations=1, maximum function evaluations=30000
114      tolerances: relative=0., absolute=0., solution=0.
115      norm schedule FINALONLY
116