xref: /petsc/src/ts/tests/output/ex21_2_bdf_ngmres_fas_ngs.out (revision 7e1a0bbe36d2be40a00a95404ece00db4857f70d)
1DM Object: 2 MPI processes
2  type: da
3Processor [0] M 17 N 17 m 1 n 2 w 1 s 1
4X range of indices: 0 17, Y range of indices: 0 9
5Processor [1] M 17 N 17 m 1 n 2 w 1 s 1
6X range of indices: 0 17, Y range of indices: 9 17
7DM Object: 2 MPI processes
8  type: da
9Processor [0] M 17 N 17 m 1 n 2 w 2 s 1
10X range of indices: 0 17, Y range of indices: 0 9
11Processor [1] M 17 N 17 m 1 n 2 w 2 s 1
12X range of indices: 0 17, Y range of indices: 9 17
130 TS dt 0.001 time 0.
14DM Object: 2 MPI processes
15  type: da
16Processor [0] M 9 N 9 m 1 n 2 w 1 s 1
17X range of indices: 0 9, Y range of indices: 0 5
18Processor [1] M 9 N 9 m 1 n 2 w 1 s 1
19X range of indices: 0 9, Y range of indices: 5 9
20DM Object: 2 MPI processes
21  type: da
22Processor [0] M 9 N 9 m 1 n 2 w 2 s 1
23X range of indices: 0 9, Y range of indices: 0 5
24Processor [1] M 9 N 9 m 1 n 2 w 2 s 1
25X range of indices: 0 9, Y range of indices: 5 9
26DM Object: 2 MPI processes
27  type: da
28Processor [0] M 5 N 5 m 1 n 2 w 1 s 1
29X range of indices: 0 5, Y range of indices: 0 3
30Processor [1] M 5 N 5 m 1 n 2 w 1 s 1
31X range of indices: 0 5, Y range of indices: 3 5
32DM Object: 2 MPI processes
33  type: da
34Processor [0] M 5 N 5 m 1 n 2 w 2 s 1
35X range of indices: 0 5, Y range of indices: 0 3
36Processor [1] M 5 N 5 m 1 n 2 w 2 s 1
37X range of indices: 0 5, Y range of indices: 3 5
381 TS dt 0.001 time 0.001
392 TS dt 0.001 time 0.002
403 TS dt 0.001 time 0.003
414 TS dt 0.001 time 0.004
425 TS dt 0.001 time 0.005
43TS Object: 2 MPI processes
44  type: bdf
45    Order=2
46  maximum steps=5
47  maximum time=1.
48  using relative error tolerance of 0.0001,   using absolute error tolerance of 0.0001
49  TSAdapt Object: 2 MPI processes
50    type: none
51  SNES Object: 2 MPI processes
52    type: ngmres
53      Number of stored past updates: 30
54      Residual selection: gammaA=2e+00, gammaC=2e+00
55      Difference restart: epsilonB=1e-01, deltaB=9e-01
56      Restart on F_M residual increase: FALSE
57    maximum iterations=10000, maximum function evaluations=30000
58    tolerances: relative=1e-06, absolute=1e-50, solution=1e-08
59    norm schedule ALWAYS
60    SNESLineSearch Object: 2 MPI processes
61      type: basic
62      maxlambda=1.000000e+00, minlambda=1.000000e-12
63      tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
64      maximum iterations=1
65    SNES Object: (npc_) 2 MPI processes
66      type: fas
67        type is MULTIPLICATIVE, levels=3, cycles=1
68        Not using Galerkin computed coarse grid function evaluation
69        Coarse grid solver -- level 0 -------------------------------
70        SNES Object: (npc_fas_coarse_) 2 MPI processes
71          type: newtonls
72          maximum iterations=50, maximum function evaluations=10000
73          tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
74          norm schedule ALWAYS
75          SNESLineSearch Object: (npc_fas_coarse_) 2 MPI processes
76            type: bt
77              interpolation: cubic
78              alpha=1.000000e-04
79            maxlambda=1.000000e+00, minlambda=1.000000e-12
80            tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
81            maximum iterations=40
82          KSP Object: (npc_fas_coarse_) 2 MPI processes
83            type: gmres
84              restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
85              happy breakdown tolerance 1e-30
86            maximum iterations=10000, initial guess is zero
87            tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
88            left preconditioning
89            using PRECONDITIONED norm type for convergence test
90          PC Object: (npc_fas_coarse_) 2 MPI processes
91            type: bjacobi
92              number of blocks = 2
93              Local solver information for first block is in the following KSP and PC objects on rank 0:
94              Use -npc_fas_coarse_ksp_view ::ascii_info_detail to display information for all blocks
95              KSP Object: (npc_fas_coarse_sub_) 1 MPI process
96                type: preonly
97                maximum iterations=10000, initial guess is zero
98                tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
99                left preconditioning
100                not checking for convergence
101              PC Object: (npc_fas_coarse_sub_) 1 MPI process
102                type: ilu
103                  out-of-place factorization
104                  0 levels of fill
105                  tolerance for zero pivot 2.22045e-14
106                  matrix ordering: natural
107                  factor fill ratio given 1., needed 1.
108                    Factored matrix follows:
109                      Mat Object: (npc_fas_coarse_sub_) 1 MPI process
110                        type: seqaij
111                        rows=15, cols=15
112                        package used to perform factorization: petsc
113                        total: nonzeros=59, allocated nonzeros=59
114                          not using I-node routines
115                linear system matrix = precond matrix:
116                Mat Object: (npc_fas_coarse_sub_) 1 MPI process
117                  type: seqaij
118                  rows=15, cols=15
119                  total: nonzeros=59, allocated nonzeros=59
120                    not using I-node routines
121            linear system matrix = precond matrix:
122            Mat Object: 2 MPI processes
123              type: mpiaij
124              rows=25, cols=25
125              total: nonzeros=105, allocated nonzeros=105
126        Down solver (pre-smoother) on level 1 -------------------------------
127        SNES Object: (npc_fas_levels_1_) 2 MPI processes
128          type: ngs
129            Use finite difference secant approximation with coloring with h = 1.49012e-08
130          maximum iterations=5, maximum function evaluations=10000
131          tolerances: relative=0., absolute=0., solution=0.
132          norm schedule FINALONLY
133        Up solver (post-smoother) same as down solver (pre-smoother)
134        Down solver (pre-smoother) on level 2 -------------------------------
135        SNES Object: (npc_fas_levels_2_) 2 MPI processes
136          type: ngs
137            Use finite difference secant approximation with coloring with h = 1.49012e-08
138          maximum iterations=5, maximum function evaluations=10000
139          tolerances: relative=0., absolute=0., solution=0.
140          norm schedule FINALONLY
141        Up solver (post-smoother) same as down solver (pre-smoother)
142      maximum iterations=1, maximum function evaluations=30000
143      tolerances: relative=0., absolute=0., solution=0.
144      norm schedule FINALONLY
145