xref: /petsc/src/ts/tests/output/ex21_1_bdf_ngmres_fas_ms.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
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  initial time step=0.001
35  maximum steps=5
36  maximum time=1.
37  maximum number of step rejections=10
38  maximum number of SNES failures allowed=1
39  using relative error tolerance of 0.0001,   using absolute error tolerance of 0.0001
40  TSAdapt Object: 1 MPI process
41    type: none
42  SNES Object: 1 MPI process
43    type: ngmres
44      Number of stored past updates: 30
45      Residual selection: gammaA=2e+00, gammaC=2e+00
46      Difference restart: epsilonB=1e-01, deltaB=9e-01
47      Restart on F_M residual increase: FALSE
48    maximum iterations=10000, maximum function evaluations=30000
49    tolerances: relative=1e-06, absolute=1e-50, solution=1e-08
50    norm schedule ALWAYS
51    SNESLineSearch Object: 1 MPI process
52      type: basic
53      maxlambda=1.000000e+00, minlambda=1.000000e-12
54      tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
55      maximum iterations=1
56    SNES Object: (npc_) 1 MPI process
57      type: fas
58        type is MULTIPLICATIVE, levels=3, cycles=1
59        Not using Galerkin computed coarse grid function evaluation
60        Coarse grid solver -- level 0 -------------------------------
61        SNES Object: (npc_fas_coarse_) 1 MPI process
62          type: newtonls
63          maximum iterations=50, maximum function evaluations=10000
64          tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
65          norm schedule ALWAYS
66          SNESLineSearch Object: (npc_fas_coarse_) 1 MPI process
67            type: bt
68              interpolation: cubic
69              alpha=1.000000e-04
70            maxlambda=1.000000e+00, minlambda=1.000000e-12
71            tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
72            maximum iterations=40
73          KSP Object: (npc_fas_coarse_) 1 MPI process
74            type: gmres
75              restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
76              happy breakdown tolerance=1e-30
77            maximum iterations=10000, initial guess is zero
78            tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
79            left preconditioning
80            using PRECONDITIONED norm type for convergence test
81          PC Object: (npc_fas_coarse_) 1 MPI process
82            type: ilu
83              out-of-place factorization
84              0 levels of fill
85              tolerance for zero pivot 2.22045e-14
86              matrix ordering: natural
87              factor fill ratio given 1., needed 1.
88                Factored matrix:
89                  Mat Object: (npc_fas_coarse_) 1 MPI process
90                    type: seqaij
91                    rows=25, cols=25
92                    package used to perform factorization: petsc
93                    total: nonzeros=105, allocated nonzeros=105
94                      not using I-node routines
95            linear system matrix, which is also used to construct the preconditioner:
96            Mat Object: 1 MPI process
97              type: seqaij
98              rows=25, cols=25
99              total: nonzeros=105, allocated nonzeros=105
100                not using I-node routines
101        Down solver (pre-smoother) on level 1 -------------------------------
102        SNES Object: (npc_fas_levels_1_) 1 MPI process
103          type: ms
104            multi-stage method type: m62
105          maximum iterations=5, maximum function evaluations=10000
106          tolerances: relative=0., absolute=0., solution=0.
107          norm schedule FINALONLY
108          KSP Object: (npc_fas_levels_1_) 1 MPI process
109            type: preonly
110            maximum iterations=10000, initial guess is zero
111            tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
112            left preconditioning
113            not checking for convergence
114          PC Object: (npc_fas_levels_1_) 1 MPI process
115            type: ilu
116              out-of-place factorization
117              0 levels of fill
118              tolerance for zero pivot 2.22045e-14
119              matrix ordering: natural
120              factor fill ratio given 1., needed 1.
121                Factored matrix:
122                  Mat Object: (npc_fas_levels_1_) 1 MPI process
123                    type: seqaij
124                    rows=81, cols=81
125                    package used to perform factorization: petsc
126                    total: nonzeros=369, allocated nonzeros=369
127                      not using I-node routines
128            linear system matrix, which is also used to construct the preconditioner:
129            Mat Object: 1 MPI process
130              type: seqaij
131              rows=81, cols=81
132              total: nonzeros=369, allocated nonzeros=369
133                not using I-node routines
134        Up solver (post-smoother) same as down solver (pre-smoother)
135        Down solver (pre-smoother) on level 2 -------------------------------
136        SNES Object: (npc_fas_levels_2_) 1 MPI process
137          type: ms
138            multi-stage method type: m62
139          maximum iterations=5, maximum function evaluations=10000
140          tolerances: relative=0., absolute=0., solution=0.
141          norm schedule FINALONLY
142          KSP Object: (npc_fas_levels_2_) 1 MPI process
143            type: preonly
144            maximum iterations=10000, initial guess is zero
145            tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
146            left preconditioning
147            not checking for convergence
148          PC Object: (npc_fas_levels_2_) 1 MPI process
149            type: ilu
150              out-of-place factorization
151              0 levels of fill
152              tolerance for zero pivot 2.22045e-14
153              matrix ordering: natural
154              factor fill ratio given 1., needed 1.
155                Factored matrix:
156                  Mat Object: (npc_fas_levels_2_) 1 MPI process
157                    type: seqaij
158                    rows=289, cols=289
159                    package used to perform factorization: petsc
160                    total: nonzeros=1377, allocated nonzeros=1377
161                      not using I-node routines
162            linear system matrix, which is also used to construct the preconditioner:
163            Mat Object: 1 MPI process
164              type: seqaij
165              rows=289, cols=289
166              total: nonzeros=1377, allocated nonzeros=1377
167                not using I-node routines
168        Up solver (post-smoother) same as down solver (pre-smoother)
169      maximum iterations=1, maximum function evaluations=30000
170      tolerances: relative=0., absolute=0., solution=0.
171      norm schedule FINALONLY
172