xref: /petsc/src/ts/tests/output/ex21_2_bdf_ngmres_fas_ngs.out (revision ccb4e88a40f0b86eaeca07ff64c64e4de2fae686)
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      maxstep=1.000000e+08, 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          SNESLineSearch Object: (npc_fas_coarse_) 2 MPI processes
75            type: bt
76              interpolation: cubic
77              alpha=1.000000e-04
78            maxstep=1.000000e+08, minlambda=1.000000e-12
79            tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
80            maximum iterations=40
81          KSP Object: (npc_fas_coarse_) 2 MPI processes
82            type: gmres
83              restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
84              happy breakdown tolerance 1e-30
85            maximum iterations=10000, initial guess is zero
86            tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
87            left preconditioning
88            using PRECONDITIONED norm type for convergence test
89          PC Object: (npc_fas_coarse_) 2 MPI processes
90            type: bjacobi
91              number of blocks = 2
92              Local solver information for first block is in the following KSP and PC objects on rank 0:
93              Use -npc_fas_coarse_ksp_view ::ascii_info_detail to display information for all blocks
94            KSP Object: (npc_fas_coarse_sub_) 1 MPI processes
95              type: preonly
96              maximum iterations=10000, initial guess is zero
97              tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
98              left preconditioning
99              using NONE norm type for convergence test
100            PC Object: (npc_fas_coarse_sub_) 1 MPI processes
101              type: ilu
102                out-of-place factorization
103                0 levels of fill
104                tolerance for zero pivot 2.22045e-14
105                matrix ordering: natural
106                factor fill ratio given 1., needed 1.
107                  Factored matrix follows:
108                    Mat Object: 1 MPI processes
109                      type: seqaij
110                      rows=15, cols=15
111                      package used to perform factorization: petsc
112                      total: nonzeros=59, allocated nonzeros=59
113                        not using I-node routines
114              linear system matrix = precond matrix:
115              Mat Object: (npc_fas_coarse_sub_) 1 MPI processes
116                type: seqaij
117                rows=15, cols=15
118                total: nonzeros=59, allocated nonzeros=59
119                  not using I-node routines
120            linear system matrix = precond matrix:
121            Mat Object: 2 MPI processes
122              type: mpiaij
123              rows=25, cols=25
124              total: nonzeros=105, allocated nonzeros=105
125        Down solver (pre-smoother) on level 1 -------------------------------
126        SNES Object: (npc_fas_levels_1_) 2 MPI processes
127          type: ngs
128            Use finite difference secant approximation with coloring with h = 1e-08
129          maximum iterations=5, maximum function evaluations=30000
130          tolerances: relative=0., absolute=0., solution=0.
131          norm schedule FINALONLY
132        Up solver (post-smoother) same as down solver (pre-smoother)
133        Down solver (pre-smoother) on level 2 -------------------------------
134        SNES Object: (npc_fas_levels_2_) 2 MPI processes
135          type: ngs
136            Use finite difference secant approximation with coloring with h = 1e-08
137          maximum iterations=5, maximum function evaluations=30000
138          tolerances: relative=0., absolute=0., solution=0.
139          norm schedule FINALONLY
140        Up solver (post-smoother) same as down solver (pre-smoother)
141      maximum iterations=1, maximum function evaluations=30000
142      tolerances: relative=0., absolute=0., solution=0.
143      norm schedule FINALONLY
144