xref: /petsc/src/ts/tests/output/ex21_1_bdf_ngmres_fas_ngs.out (revision f13dfd9ea68e0ddeee984e65c377a1819eab8a8a)
1DM Object: 1 MPI process
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 process
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 process
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 process
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 process
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 process
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 process
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 process
38    type: none
39  SNES Object: 1 MPI process
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 process
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 process
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 process
59          type: newtonls
60          maximum iterations=50, maximum function evaluations=10000
61          tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
62          norm schedule ALWAYS
63          SNESLineSearch Object: (npc_fas_coarse_) 1 MPI process
64            type: bt
65              interpolation: cubic
66              alpha=1.000000e-04
67            maxstep=1.000000e+08, minlambda=1.000000e-12
68            tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
69            maximum iterations=40
70          KSP Object: (npc_fas_coarse_) 1 MPI process
71            type: gmres
72              restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
73              happy breakdown tolerance 1e-30
74            maximum iterations=10000, initial guess is zero
75            tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
76            left preconditioning
77            using PRECONDITIONED norm type for convergence test
78          PC Object: (npc_fas_coarse_) 1 MPI process
79            type: ilu
80              out-of-place factorization
81              0 levels of fill
82              tolerance for zero pivot 2.22045e-14
83              matrix ordering: natural
84              factor fill ratio given 1., needed 1.
85                Factored matrix follows:
86                  Mat Object: (npc_fas_coarse_) 1 MPI process
87                    type: seqaij
88                    rows=25, cols=25
89                    package used to perform factorization: petsc
90                    total: nonzeros=105, allocated nonzeros=105
91                      not using I-node routines
92            linear system matrix = precond matrix:
93            Mat Object: 1 MPI process
94              type: seqaij
95              rows=25, cols=25
96              total: nonzeros=105, allocated nonzeros=105
97                not using I-node routines
98        Down solver (pre-smoother) on level 1 -------------------------------
99        SNES Object: (npc_fas_levels_1_) 1 MPI process
100          type: ngs
101            Use finite difference secant approximation with coloring with h = 1.49012e-08
102          maximum iterations=5, maximum function evaluations=30000
103          tolerances: relative=0., absolute=0., solution=0.
104          norm schedule FINALONLY
105        Up solver (post-smoother) same as down solver (pre-smoother)
106        Down solver (pre-smoother) on level 2 -------------------------------
107        SNES Object: (npc_fas_levels_2_) 1 MPI process
108          type: ngs
109            Use finite difference secant approximation with coloring with h = 1.49012e-08
110          maximum iterations=5, maximum function evaluations=30000
111          tolerances: relative=0., absolute=0., solution=0.
112          norm schedule FINALONLY
113        Up solver (post-smoother) same as down solver (pre-smoother)
114      maximum iterations=1, maximum function evaluations=30000
115      tolerances: relative=0., absolute=0., solution=0.
116      norm schedule FINALONLY
117