xref: /petsc/src/snes/tutorials/output/ex48_4.out (revision f0fc11cebb1bb284829732915f9e84cabc170c2f)
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    maxstep=1.000000e+08, 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 -------------------------------
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        using NONE norm type for convergence test
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 processes
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            using NONE norm type for convergence test
92          PC Object: (mg_coarse_redundant_) 1 MPI processes
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 follows:
100                  Mat Object: 1 MPI processes
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                    total number of mallocs used during MatSetValues calls=0
106                      using I-node routines: found 16 nodes, limit used is 5
107            linear system matrix = precond matrix:
108            Mat Object: 1 MPI processes
109              type: seqaij
110              rows=64, cols=64, bs=2
111              total: nonzeros=2304, allocated nonzeros=2304
112              total number of mallocs used during MatSetValues calls=0
113                using I-node routines: found 16 nodes, limit used is 5
114        linear system matrix = precond matrix:
115        Mat Object: 6 MPI processes
116          type: mpiaij
117          rows=64, cols=64, bs=2
118          total: nonzeros=2304, allocated nonzeros=2304
119          total number of mallocs used during MatSetValues calls=0
120    Down solver (pre-smoother) on level 1 -------------------------------
121      KSP Object: (mg_levels_1_) 6 MPI processes
122        type: gmres
123          restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
124          happy breakdown tolerance 1e-30
125        maximum iterations=1, nonzero initial guess
126        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
127        left preconditioning
128        using NONE norm type for convergence test
129      PC Object: (mg_levels_1_) 6 MPI processes
130        type: bjacobi
131          number of blocks = 6
132          Local solve is same for all blocks, in the following KSP and PC objects:
133        KSP Object: (mg_levels_1_sub_) 1 MPI processes
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          using NONE norm type for convergence test
139        PC Object: (mg_levels_1_sub_) 1 MPI processes
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 follows:
146                Mat Object: 1 MPI processes
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                  total number of mallocs used during MatSetValues calls=0
152                      block size is 2
153          linear system matrix = precond matrix:
154          Mat Object: 1 MPI processes
155            type: seqsbaij
156            rows=48, cols=48, bs=2
157            total: nonzeros=608, allocated nonzeros=608
158            total number of mallocs used during MatSetValues calls=0
159                block size is 2
160        linear system matrix = precond matrix:
161        Mat Object: 6 MPI processes
162          type: mpisbaij
163          rows=256, cols=256, bs=2
164          total: nonzeros=4864, allocated nonzeros=4864
165          total number of mallocs used during MatSetValues calls=0
166    Up solver (post-smoother) same as down solver (pre-smoother)
167    Down solver (pre-smoother) on level 2 -------------------------------
168      KSP Object: (mg_levels_2_) 6 MPI processes
169        type: gmres
170          restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
171          happy breakdown tolerance 1e-30
172        maximum iterations=1, nonzero initial guess
173        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
174        left preconditioning
175        using NONE norm type for convergence test
176      PC Object: (mg_levels_2_) 6 MPI processes
177        type: bjacobi
178          number of blocks = 6
179          Local solve is same for all blocks, in the following KSP and PC objects:
180        KSP Object: (mg_levels_2_sub_) 1 MPI processes
181          type: preonly
182          maximum iterations=10000, initial guess is zero
183          tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
184          left preconditioning
185          using NONE norm type for convergence test
186        PC Object: (mg_levels_2_sub_) 1 MPI processes
187          type: icc
188            out-of-place factorization
189            0 levels of fill
190            tolerance for zero pivot 2.22045e-14
191            using Manteuffel shift [POSITIVE_DEFINITE]
192            matrix ordering: natural
193            factor fill ratio given 1., needed 1.00133
194              Factored matrix follows:
195                Mat Object: 1 MPI processes
196                  type: seqsbaij
197                  rows=192, cols=192, bs=2
198                  package used to perform factorization: petsc
199                  total: nonzeros=3012, allocated nonzeros=3012
200                  total number of mallocs used during MatSetValues calls=0
201                      block size is 2
202          linear system matrix = precond matrix:
203          Mat Object: 1 MPI processes
204            type: seqsbaij
205            rows=192, cols=192, bs=2
206            total: nonzeros=3008, allocated nonzeros=3008
207            total number of mallocs used during MatSetValues calls=0
208                block size is 2
209        linear system matrix = precond matrix:
210        Mat Object: 6 MPI processes
211          type: mpisbaij
212          rows=1024, cols=1024, bs=2
213          total: nonzeros=19456, allocated nonzeros=19456
214          total number of mallocs used during MatSetValues calls=0
215    Up solver (post-smoother) same as down solver (pre-smoother)
216    Down solver (pre-smoother) on level 3 -------------------------------
217      KSP Object: (mg_levels_3_) 6 MPI processes
218        type: gmres
219          restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
220          happy breakdown tolerance 1e-30
221        maximum iterations=1, nonzero initial guess
222        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
223        left preconditioning
224        using NONE norm type for convergence test
225      PC Object: (mg_levels_3_) 6 MPI processes
226        type: bjacobi
227          number of blocks = 6
228          Local solve is same for all blocks, in the following KSP and PC objects:
229        KSP Object: (mg_levels_3_sub_) 1 MPI processes
230          type: preonly
231          maximum iterations=10000, initial guess is zero
232          tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
233          left preconditioning
234          using NONE norm type for convergence test
235        PC Object: (mg_levels_3_sub_) 1 MPI processes
236          type: icc
237            out-of-place factorization
238            0 levels of fill
239            tolerance for zero pivot 2.22045e-14
240            using Manteuffel shift [POSITIVE_DEFINITE]
241            matrix ordering: natural
242            factor fill ratio given 1., needed 1.00054
243              Factored matrix follows:
244                Mat Object: 1 MPI processes
245                  type: seqsbaij
246                  rows=384, cols=384, bs=2
247                  package used to perform factorization: petsc
248                  total: nonzeros=7428, allocated nonzeros=7428
249                  total number of mallocs used during MatSetValues calls=0
250                      block size is 2
251          linear system matrix = precond matrix:
252          Mat Object: 1 MPI processes
253            type: seqsbaij
254            rows=384, cols=384, bs=2
255            total: nonzeros=7424, allocated nonzeros=7424
256            total number of mallocs used during MatSetValues calls=0
257                block size is 2
258        linear system matrix = precond matrix:
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
264    Up solver (post-smoother) same as down solver (pre-smoother)
265    linear system matrix = precond matrix:
266    Mat Object: 6 MPI processes
267      type: mpisbaij
268      rows=2048, cols=2048, bs=2
269      total: nonzeros=48128, allocated nonzeros=48128
270      total number of mallocs used during MatSetValues calls=0
271Solution statistics after solve: Full
272CONVERGED_FNORM_RELATIVE: Number of SNES iterations = 5, total linear iterations = 22
273|X|_2 564267.   -187.04 <= u <=  23814.8   -979.938 <= v <=  5720.23   3.24766 <= c <=  23904.5
274Surface statistics: u in [-6.945709e+01, 2.381387e+04] mean 1.520632e+04
275Global eta range   2.50736e+09 to 9.2273e+12 converged range 2.50736e+09 to 3.8249e+10
276Global beta2 range 0. to 4.97763e+09 converged range 0. to 4.97763e+09
277