xref: /petsc/src/snes/tutorials/output/ex48_4.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
1Level 0 domain size (m)    8e+04 x    8e+04 x    1e+03, num elements 4 x 4 x 2 (32), size (m) 20000. x 20000. x 1000.
2        Linear solve converged due to CONVERGED_RTOL iterations 1
3        Linear solve converged due to CONVERGED_RTOL iterations 1
4        Linear solve converged due to CONVERGED_RTOL iterations 1
5        Linear solve converged due to CONVERGED_RTOL iterations 1
6        Linear solve converged due to CONVERGED_RTOL iterations 1
7        Linear solve converged due to CONVERGED_RTOL iterations 1
8        Linear solve converged due to CONVERGED_RTOL iterations 1
9        Linear solve converged due to CONVERGED_RTOL iterations 1
10        Linear solve converged due to CONVERGED_RTOL iterations 1
11      Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 9
12Level 1 domain size (m)    8e+04 x    8e+04 x    1e+03, num elements 8 x 8 x 2 (128), size (m) 10000. x 10000. x 1000.
13Level 0 domain size (m)    8e+04 x    8e+04 x    1e+03, num elements 4 x 4 x 2 (32), size (m) 20000. x 20000. x 1000.
14      Linear solve converged due to CONVERGED_RTOL iterations 4
15      Linear solve converged due to CONVERGED_RTOL iterations 5
16      Linear solve converged due to CONVERGED_RTOL iterations 5
17      Linear solve converged due to CONVERGED_RTOL iterations 6
18      Linear solve converged due to CONVERGED_RTOL iterations 6
19      Linear solve converged due to CONVERGED_RTOL iterations 5
20      Linear solve converged due to CONVERGED_RTOL iterations 6
21      Linear solve converged due to CONVERGED_RTOL iterations 7
22    Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 8
23Level 2 domain size (m)    8e+04 x    8e+04 x    1e+03, num elements 16 x 16 x 2 (512), size (m) 5000. x 5000. x 1000.
24Level 1 domain size (m)    8e+04 x    8e+04 x    1e+03, num elements 8 x 8 x 2 (128), size (m) 10000. x 10000. x 1000.
25Level 0 domain size (m)    8e+04 x    8e+04 x    1e+03, num elements 4 x 4 x 2 (32), size (m) 20000. x 20000. x 1000.
26    Linear solve converged due to CONVERGED_RTOL iterations 5
27    Linear solve converged due to CONVERGED_RTOL iterations 6
28    Linear solve converged due to CONVERGED_RTOL iterations 7
29    Linear solve converged due to CONVERGED_RTOL iterations 6
30    Linear solve converged due to CONVERGED_RTOL iterations 2
31    Linear solve converged due to CONVERGED_RTOL iterations 2
32    Linear solve converged due to CONVERGED_RTOL iterations 3
33    Linear solve converged due to CONVERGED_RTOL iterations 5
34    Linear solve converged due to CONVERGED_RTOL iterations 6
35    Linear solve converged due to CONVERGED_RTOL iterations 7
36  Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 10
37Level 3 domain size (m)    8e+04 x    8e+04 x    1e+03, num elements 16 x 16 x 4 (1024), size (m) 5000. x 5000. x 333.333
38Level 2 domain size (m)    8e+04 x    8e+04 x    1e+03, num elements 16 x 16 x 2 (512), size (m) 5000. x 5000. x 1000.
39Level 1 domain size (m)    8e+04 x    8e+04 x    1e+03, num elements 8 x 8 x 2 (128), size (m) 10000. x 10000. x 1000.
40Level 0 domain size (m)    8e+04 x    8e+04 x    1e+03, num elements 4 x 4 x 2 (32), size (m) 20000. x 20000. x 1000.
41  Linear solve converged due to CONVERGED_RTOL iterations 2
42  Linear solve converged due to CONVERGED_RTOL iterations 2
43  Linear solve converged due to CONVERGED_RTOL iterations 4
44  Linear solve converged due to CONVERGED_RTOL iterations 7
45  Linear solve converged due to CONVERGED_RTOL iterations 7
46Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 5
47SNES Object: 6 MPI processes
48  type: newtonls
49  maximum iterations=50, maximum function evaluations=10000
50  tolerances: relative=1e-08, absolute=1e-50, solution=1e-12
51  total number of linear solver iterations=22
52  total number of function evaluations=6
53  norm schedule ALWAYS
54  total number of grid sequence refinements=3
55  Jacobian is built using a DMDA local Jacobian
56  SNESLineSearch Object: 6 MPI processes
57    type: bt
58      interpolation: cubic
59      alpha=1.000000e-04
60    maxlambda=1.000000e+00, minlambda=1.000000e-12
61    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
62    maximum iterations=40
63  KSP Object: 6 MPI processes
64    type: fgmres
65      restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
66      happy breakdown tolerance=1e-30
67    maximum iterations=10000, initial guess is zero
68    tolerances: relative=0.01, absolute=-1., divergence=10000.
69    right preconditioning
70    using UNPRECONDITIONED norm type for convergence test
71  PC Object: 6 MPI processes
72    type: mg
73      type is MULTIPLICATIVE, levels=4 cycles=v
74        Cycles per PCApply=1
75        Not using Galerkin computed coarse grid matrices
76    Coarse grid solver -- level 0 -------------------------------
77      KSP Object: (mg_coarse_) 6 MPI processes
78        type: preonly
79        maximum iterations=10000, initial guess is zero
80        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
81        left preconditioning
82        not checking for convergence
83      PC Object: (mg_coarse_) 6 MPI processes
84        type: redundant
85          First (color=0) of 6 PCs follows
86          KSP Object: (mg_coarse_redundant_) 1 MPI process
87            type: preonly
88            maximum iterations=10000, initial guess is zero
89            tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
90            left preconditioning
91            not checking for convergence
92          PC Object: (mg_coarse_redundant_) 1 MPI process
93            type: lu
94              out-of-place factorization
95              tolerance for zero pivot 2.22045e-14
96              using diagonal shift on blocks to prevent zero pivot [INBLOCKS]
97              matrix ordering: nd
98              factor fill ratio given 5., needed 1.41667
99                Factored matrix:
100                  Mat Object: (mg_coarse_redundant_) 1 MPI process
101                    type: seqaij
102                    rows=64, cols=64, bs=2
103                    package used to perform factorization: petsc
104                    total: nonzeros=3264, allocated nonzeros=3264
105                      using I-node routines: found 16 nodes, limit used is 5
106            linear system matrix, which is also used to construct the preconditioner:
107            Mat Object: 1 MPI process
108              type: seqaij
109              rows=64, cols=64, bs=2
110              total: nonzeros=2304, allocated nonzeros=2304
111              total number of mallocs used during MatSetValues calls=0
112                using I-node routines: found 16 nodes, limit used is 5
113        linear system matrix, which is also used to construct the preconditioner:
114        Mat Object: 6 MPI processes
115          type: mpiaij
116          rows=64, cols=64, bs=2
117          total: nonzeros=2304, allocated nonzeros=2304
118          total number of mallocs used during MatSetValues calls=0
119    Down solver (pre-smoother) on level 1 -------------------------------
120      KSP Object: (mg_levels_1_) 6 MPI processes
121        type: gmres
122          restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
123          happy breakdown tolerance=1e-30
124        maximum iterations=1, nonzero initial guess
125        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
126        left preconditioning
127        not checking for convergence
128      PC Object: (mg_levels_1_) 6 MPI processes
129        type: bjacobi
130          number of blocks = 6
131          Local solver information for first block is in the following KSP and PC objects on rank 0:
132          Use -mg_levels_1_ksp_view ::ascii_info_detail to display information for all blocks
133          KSP Object: (mg_levels_1_sub_) 1 MPI process
134            type: preonly
135            maximum iterations=10000, initial guess is zero
136            tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
137            left preconditioning
138            not checking for convergence
139          PC Object: (mg_levels_1_sub_) 1 MPI process
140            type: cholesky
141              out-of-place factorization
142              tolerance for zero pivot 2.22045e-14
143              matrix ordering: natural
144              factor fill ratio given 5., needed 1.32237
145                Factored matrix:
146                  Mat Object: (mg_levels_1_sub_) 1 MPI process
147                    type: seqsbaij
148                    rows=48, cols=48, bs=2
149                    package used to perform factorization: petsc
150                    total: nonzeros=804, allocated nonzeros=804
151            linear system matrix, which is also used to construct the preconditioner:
152            Mat Object: (mg_levels_1_sub_) 1 MPI process
153              type: seqsbaij
154              rows=48, cols=48, bs=2
155              total: nonzeros=608, allocated nonzeros=608
156              total number of mallocs used during MatSetValues calls=0
157        linear system matrix, which is also used to construct the preconditioner:
158        Mat Object: 6 MPI processes
159          type: mpisbaij
160          rows=256, cols=256, bs=2
161          total: nonzeros=4864, allocated nonzeros=4864
162          total number of mallocs used during MatSetValues calls=0
163    Up solver (post-smoother) same as down solver (pre-smoother)
164    Down solver (pre-smoother) on level 2 -------------------------------
165      KSP Object: (mg_levels_2_) 6 MPI processes
166        type: gmres
167          restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
168          happy breakdown tolerance=1e-30
169        maximum iterations=1, nonzero initial guess
170        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
171        left preconditioning
172        not checking for convergence
173      PC Object: (mg_levels_2_) 6 MPI processes
174        type: bjacobi
175          number of blocks = 6
176          Local solver information for first block is in the following KSP and PC objects on rank 0:
177          Use -mg_levels_2_ksp_view ::ascii_info_detail to display information for all blocks
178          KSP Object: (mg_levels_2_sub_) 1 MPI process
179            type: preonly
180            maximum iterations=10000, initial guess is zero
181            tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
182            left preconditioning
183            not checking for convergence
184          PC Object: (mg_levels_2_sub_) 1 MPI process
185            type: icc
186              out-of-place factorization
187              0 levels of fill
188              tolerance for zero pivot 2.22045e-14
189              using Manteuffel shift [POSITIVE_DEFINITE]
190              matrix ordering: natural
191              factor fill ratio given 1., needed 1.00133
192                Factored matrix:
193                  Mat Object: (mg_levels_2_sub_) 1 MPI process
194                    type: seqsbaij
195                    rows=192, cols=192, bs=2
196                    package used to perform factorization: petsc
197                    total: nonzeros=3012, allocated nonzeros=3012
198            linear system matrix, which is also used to construct the preconditioner:
199            Mat Object: (mg_levels_2_sub_) 1 MPI process
200              type: seqsbaij
201              rows=192, cols=192, bs=2
202              total: nonzeros=3008, allocated nonzeros=3008
203              total number of mallocs used during MatSetValues calls=0
204        linear system matrix, which is also used to construct the preconditioner:
205        Mat Object: 6 MPI processes
206          type: mpisbaij
207          rows=1024, cols=1024, bs=2
208          total: nonzeros=19456, allocated nonzeros=19456
209          total number of mallocs used during MatSetValues calls=0
210    Up solver (post-smoother) same as down solver (pre-smoother)
211    Down solver (pre-smoother) on level 3 -------------------------------
212      KSP Object: (mg_levels_3_) 6 MPI processes
213        type: gmres
214          restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
215          happy breakdown tolerance=1e-30
216        maximum iterations=1, nonzero initial guess
217        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
218        left preconditioning
219        not checking for convergence
220      PC Object: (mg_levels_3_) 6 MPI processes
221        type: bjacobi
222          number of blocks = 6
223          Local solver information for first block is in the following KSP and PC objects on rank 0:
224          Use -mg_levels_3_ksp_view ::ascii_info_detail to display information for all blocks
225          KSP Object: (mg_levels_3_sub_) 1 MPI process
226            type: preonly
227            maximum iterations=10000, initial guess is zero
228            tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
229            left preconditioning
230            not checking for convergence
231          PC Object: (mg_levels_3_sub_) 1 MPI process
232            type: icc
233              out-of-place factorization
234              0 levels of fill
235              tolerance for zero pivot 2.22045e-14
236              using Manteuffel shift [POSITIVE_DEFINITE]
237              matrix ordering: natural
238              factor fill ratio given 1., needed 1.00054
239                Factored matrix:
240                  Mat Object: (mg_levels_3_sub_) 1 MPI process
241                    type: seqsbaij
242                    rows=384, cols=384, bs=2
243                    package used to perform factorization: petsc
244                    total: nonzeros=7428, allocated nonzeros=7428
245            linear system matrix, which is also used to construct the preconditioner:
246            Mat Object: (mg_levels_3_sub_) 1 MPI process
247              type: seqsbaij
248              rows=384, cols=384, bs=2
249              total: nonzeros=7424, allocated nonzeros=7424
250              total number of mallocs used during MatSetValues calls=0
251        linear system matrix, which is also used to construct the preconditioner:
252        Mat Object: 6 MPI processes
253          type: mpisbaij
254          rows=2048, cols=2048, bs=2
255          total: nonzeros=48128, allocated nonzeros=48128
256          total number of mallocs used during MatSetValues calls=0
257    Up solver (post-smoother) same as down solver (pre-smoother)
258    linear system matrix, which is also used to construct the preconditioner:
259    Mat Object: 6 MPI processes
260      type: mpisbaij
261      rows=2048, cols=2048, bs=2
262      total: nonzeros=48128, allocated nonzeros=48128
263      total number of mallocs used during MatSetValues calls=0
264Solution statistics after solve: Full
265CONVERGED_FNORM_RELATIVE: Number of SNES iterations = 5, total linear iterations = 22
266|X|_2 564267.   -187.04 <= u <=  23814.8   -979.938 <= v <=  5720.23   3.24766 <= c <=  23904.5
267Surface statistics: u in [-6.945709e+01, 2.381387e+04] mean 1.520632e+04
268Global eta range   2.50736e+09 to 9.2273e+12 converged range 2.50736e+09 to 3.8249e+10
269Global beta2 range 0. to 4.97763e+09 converged range 0. to 4.97763e+09
270