xref: /petsc/src/snes/tutorials/output/ex19_7.out (revision 793a3527f7f9b48b2117473bf24a35e19d9d5c47)
1c4762a1bSJed Brownlid velocity = 0.0204082, prandtl # = 1., grashof # = 1.
2c4762a1bSJed Brown  0 SNES Function norm 0.146194
3c4762a1bSJed Brown    0 KSP Residual norm 0.146194
4c4762a1bSJed Brown    1 KSP Residual norm 0.0781702
5c4762a1bSJed Brown    2 KSP Residual norm 0.0289896
6c4762a1bSJed Brown    3 KSP Residual norm 0.00874626
7c4762a1bSJed Brown    4 KSP Residual norm 0.00360523
8c4762a1bSJed Brown    5 KSP Residual norm 0.00187927
9c4762a1bSJed Brown    6 KSP Residual norm 0.000997932
10c4762a1bSJed Brown    7 KSP Residual norm 0.000325884
11c4762a1bSJed Brown    8 KSP Residual norm 0.000122254
12c4762a1bSJed Brown    9 KSP Residual norm 6.21287e-05
13c4762a1bSJed Brown   10 KSP Residual norm 4.04759e-05
14c4762a1bSJed Brown   11 KSP Residual norm 2.1448e-05
15c4762a1bSJed Brown   12 KSP Residual norm 9.92327e-06
16c4762a1bSJed Brown   13 KSP Residual norm 4.95927e-06
17c4762a1bSJed Brown   14 KSP Residual norm 2.41652e-06
18c4762a1bSJed Brown   15 KSP Residual norm 1.39592e-06
19c4762a1bSJed Brown  1 SNES Function norm 2.5489e-05
20c4762a1bSJed Brown    0 KSP Residual norm 2.5489e-05
21c4762a1bSJed Brown    1 KSP Residual norm 1.07362e-05
22c4762a1bSJed Brown    2 KSP Residual norm 3.78935e-06
23c4762a1bSJed Brown    3 KSP Residual norm 1.4375e-06
24c4762a1bSJed Brown    4 KSP Residual norm 6.54918e-07
25c4762a1bSJed Brown    5 KSP Residual norm 5.12181e-07
26c4762a1bSJed Brown    6 KSP Residual norm 3.42535e-07
27c4762a1bSJed Brown    7 KSP Residual norm 1.4512e-07
28c4762a1bSJed Brown    8 KSP Residual norm 7.40798e-08
29c4762a1bSJed Brown    9 KSP Residual norm 3.79586e-08
30c4762a1bSJed Brown   10 KSP Residual norm 1.50282e-08
31c4762a1bSJed Brown   11 KSP Residual norm 5.03323e-09
32c4762a1bSJed Brown   12 KSP Residual norm 2.41714e-09
33c4762a1bSJed Brown   13 KSP Residual norm 1.38638e-09
34c4762a1bSJed Brown   14 KSP Residual norm 7.047e-10
35c4762a1bSJed Brown   15 KSP Residual norm 3.897e-10
36c4762a1bSJed Brown   16 KSP Residual norm 2.021e-10
37c4762a1bSJed Brown  2 SNES Function norm 2.021e-10
38c4762a1bSJed BrownSNES Object: 3 MPI processes
39c4762a1bSJed Brown  type: newtonls
40c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
41c4762a1bSJed Brown  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
42c4762a1bSJed Brown  total number of linear solver iterations=31
43c4762a1bSJed Brown  total number of function evaluations=3
44c4762a1bSJed Brown  norm schedule ALWAYS
45c4762a1bSJed Brown  Jacobian is built using colored finite differences on a DMDA
46c4762a1bSJed Brown  SNESLineSearch Object: 3 MPI processes
47c4762a1bSJed Brown    type: bt
48c4762a1bSJed Brown      interpolation: cubic
49c4762a1bSJed Brown      alpha=1.000000e-04
50c4762a1bSJed Brown    maxstep=1.000000e+08, minlambda=1.000000e-12
51c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
52c4762a1bSJed Brown    maximum iterations=40
53c4762a1bSJed Brown  KSP Object: 3 MPI processes
54c4762a1bSJed Brown    type: fgmres
55c4762a1bSJed Brown      restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
56c4762a1bSJed Brown      happy breakdown tolerance 1e-30
57c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
58c4762a1bSJed Brown    tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
59c4762a1bSJed Brown    right preconditioning
60c4762a1bSJed Brown    using UNPRECONDITIONED norm type for convergence test
61c4762a1bSJed Brown  PC Object: 3 MPI processes
62c4762a1bSJed Brown    type: fieldsplit
63c4762a1bSJed Brown      FieldSplit with MULTIPLICATIVE composition: total splits = 4
64c4762a1bSJed Brown      Solver info for each split is in the following KSP objects:
65c4762a1bSJed Brown    Split number 0 Defined by IS
66c4762a1bSJed Brown    KSP Object: (fieldsplit_x_velocity_) 3 MPI processes
67c4762a1bSJed Brown      type: preonly
68c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
69c4762a1bSJed Brown      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
70c4762a1bSJed Brown      left preconditioning
71c4762a1bSJed Brown      using NONE norm type for convergence test
72c4762a1bSJed Brown    PC Object: (fieldsplit_x_velocity_) 3 MPI processes
73c4762a1bSJed Brown      type: bjacobi
74c4762a1bSJed Brown        number of blocks = 3
758d76b567SPatrick Sanan        Local solver is the same for all blocks, as in the following KSP and PC objects on rank 0:
76c4762a1bSJed Brown      KSP Object: (fieldsplit_x_velocity_sub_) 1 MPI processes
77c4762a1bSJed Brown        type: preonly
78c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
79c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
80c4762a1bSJed Brown        left preconditioning
81c4762a1bSJed Brown        using NONE norm type for convergence test
82c4762a1bSJed Brown      PC Object: (fieldsplit_x_velocity_sub_) 1 MPI processes
83c4762a1bSJed Brown        type: ilu
84c4762a1bSJed Brown          out-of-place factorization
85c4762a1bSJed Brown          0 levels of fill
86c4762a1bSJed Brown          tolerance for zero pivot 2.22045e-14
87c4762a1bSJed Brown          matrix ordering: natural
88c4762a1bSJed Brown          factor fill ratio given 1., needed 1.
89c4762a1bSJed Brown            Factored matrix follows:
90c4762a1bSJed Brown              Mat Object: 1 MPI processes
91c4762a1bSJed Brown                type: seqaij
92c4762a1bSJed Brown                rows=21, cols=21
93c4762a1bSJed Brown                package used to perform factorization: petsc
94c4762a1bSJed Brown                total: nonzeros=85, allocated nonzeros=85
95c4762a1bSJed Brown                  not using I-node routines
96c4762a1bSJed Brown        linear system matrix = precond matrix:
97*793a3527SPierre Jolivet        Mat Object: (fieldsplit_x_velocity_sub_) 1 MPI processes
98c4762a1bSJed Brown          type: seqaij
99c4762a1bSJed Brown          rows=21, cols=21
100c4762a1bSJed Brown          total: nonzeros=85, allocated nonzeros=85
101c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
102c4762a1bSJed Brown            not using I-node routines
103c4762a1bSJed Brown      linear system matrix = precond matrix:
104c4762a1bSJed Brown      Mat Object: (fieldsplit_x_velocity_) 3 MPI processes
105c4762a1bSJed Brown        type: mpiaij
106c4762a1bSJed Brown        rows=49, cols=49
107c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
108c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
109c4762a1bSJed Brown          not using I-node (on process 0) routines
110c4762a1bSJed Brown    Split number 1 Defined by IS
111c4762a1bSJed Brown    KSP Object: (fieldsplit_y_velocity_) 3 MPI processes
112c4762a1bSJed Brown      type: preonly
113c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
114c4762a1bSJed Brown      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
115c4762a1bSJed Brown      left preconditioning
116c4762a1bSJed Brown      using NONE norm type for convergence test
117c4762a1bSJed Brown    PC Object: (fieldsplit_y_velocity_) 3 MPI processes
118c4762a1bSJed Brown      type: bjacobi
119c4762a1bSJed Brown        number of blocks = 3
1208d76b567SPatrick Sanan        Local solver is the same for all blocks, as in the following KSP and PC objects on rank 0:
121c4762a1bSJed Brown      KSP Object: (fieldsplit_y_velocity_sub_) 1 MPI processes
122c4762a1bSJed Brown        type: preonly
123c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
124c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
125c4762a1bSJed Brown        left preconditioning
126c4762a1bSJed Brown        using NONE norm type for convergence test
127c4762a1bSJed Brown      PC Object: (fieldsplit_y_velocity_sub_) 1 MPI processes
128c4762a1bSJed Brown        type: ilu
129c4762a1bSJed Brown          out-of-place factorization
130c4762a1bSJed Brown          0 levels of fill
131c4762a1bSJed Brown          tolerance for zero pivot 2.22045e-14
132c4762a1bSJed Brown          matrix ordering: natural
133c4762a1bSJed Brown          factor fill ratio given 1., needed 1.
134c4762a1bSJed Brown            Factored matrix follows:
135c4762a1bSJed Brown              Mat Object: 1 MPI processes
136c4762a1bSJed Brown                type: seqaij
137c4762a1bSJed Brown                rows=21, cols=21
138c4762a1bSJed Brown                package used to perform factorization: petsc
139c4762a1bSJed Brown                total: nonzeros=85, allocated nonzeros=85
140c4762a1bSJed Brown                  not using I-node routines
141c4762a1bSJed Brown        linear system matrix = precond matrix:
142*793a3527SPierre Jolivet        Mat Object: (fieldsplit_y_velocity_sub_) 1 MPI processes
143c4762a1bSJed Brown          type: seqaij
144c4762a1bSJed Brown          rows=21, cols=21
145c4762a1bSJed Brown          total: nonzeros=85, allocated nonzeros=85
146c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
147c4762a1bSJed Brown            not using I-node routines
148c4762a1bSJed Brown      linear system matrix = precond matrix:
149c4762a1bSJed Brown      Mat Object: (fieldsplit_y_velocity_) 3 MPI processes
150c4762a1bSJed Brown        type: mpiaij
151c4762a1bSJed Brown        rows=49, cols=49
152c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
153c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
154c4762a1bSJed Brown          not using I-node (on process 0) routines
155c4762a1bSJed Brown    Split number 2 Defined by IS
156c4762a1bSJed Brown    KSP Object: (fieldsplit_Omega_) 3 MPI processes
157c4762a1bSJed Brown      type: preonly
158c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
159c4762a1bSJed Brown      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
160c4762a1bSJed Brown      left preconditioning
161c4762a1bSJed Brown      using NONE norm type for convergence test
162c4762a1bSJed Brown    PC Object: (fieldsplit_Omega_) 3 MPI processes
163c4762a1bSJed Brown      type: bjacobi
164c4762a1bSJed Brown        number of blocks = 3
1658d76b567SPatrick Sanan        Local solver is the same for all blocks, as in the following KSP and PC objects on rank 0:
166c4762a1bSJed Brown      KSP Object: (fieldsplit_Omega_sub_) 1 MPI processes
167c4762a1bSJed Brown        type: preonly
168c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
169c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
170c4762a1bSJed Brown        left preconditioning
171c4762a1bSJed Brown        using NONE norm type for convergence test
172c4762a1bSJed Brown      PC Object: (fieldsplit_Omega_sub_) 1 MPI processes
173c4762a1bSJed Brown        type: ilu
174c4762a1bSJed Brown          out-of-place factorization
175c4762a1bSJed Brown          0 levels of fill
176c4762a1bSJed Brown          tolerance for zero pivot 2.22045e-14
177c4762a1bSJed Brown          matrix ordering: natural
178c4762a1bSJed Brown          factor fill ratio given 1., needed 1.
179c4762a1bSJed Brown            Factored matrix follows:
180c4762a1bSJed Brown              Mat Object: 1 MPI processes
181c4762a1bSJed Brown                type: seqaij
182c4762a1bSJed Brown                rows=21, cols=21
183c4762a1bSJed Brown                package used to perform factorization: petsc
184c4762a1bSJed Brown                total: nonzeros=85, allocated nonzeros=85
185c4762a1bSJed Brown                  not using I-node routines
186c4762a1bSJed Brown        linear system matrix = precond matrix:
187*793a3527SPierre Jolivet        Mat Object: (fieldsplit_Omega_sub_) 1 MPI processes
188c4762a1bSJed Brown          type: seqaij
189c4762a1bSJed Brown          rows=21, cols=21
190c4762a1bSJed Brown          total: nonzeros=85, allocated nonzeros=85
191c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
192c4762a1bSJed Brown            not using I-node routines
193c4762a1bSJed Brown      linear system matrix = precond matrix:
194c4762a1bSJed Brown      Mat Object: (fieldsplit_Omega_) 3 MPI processes
195c4762a1bSJed Brown        type: mpiaij
196c4762a1bSJed Brown        rows=49, cols=49
197c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
198c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
199c4762a1bSJed Brown          not using I-node (on process 0) routines
200c4762a1bSJed Brown    Split number 3 Defined by IS
201c4762a1bSJed Brown    KSP Object: (fieldsplit_temperature_) 3 MPI processes
202c4762a1bSJed Brown      type: preonly
203c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
204c4762a1bSJed Brown      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
205c4762a1bSJed Brown      left preconditioning
206c4762a1bSJed Brown      using NONE norm type for convergence test
207c4762a1bSJed Brown    PC Object: (fieldsplit_temperature_) 3 MPI processes
208c4762a1bSJed Brown      type: bjacobi
209c4762a1bSJed Brown        number of blocks = 3
2108d76b567SPatrick Sanan        Local solver is the same for all blocks, as in the following KSP and PC objects on rank 0:
211c4762a1bSJed Brown      KSP Object: (fieldsplit_temperature_sub_) 1 MPI processes
212c4762a1bSJed Brown        type: preonly
213c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
214c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
215c4762a1bSJed Brown        left preconditioning
216c4762a1bSJed Brown        using NONE norm type for convergence test
217c4762a1bSJed Brown      PC Object: (fieldsplit_temperature_sub_) 1 MPI processes
218c4762a1bSJed Brown        type: ilu
219c4762a1bSJed Brown          out-of-place factorization
220c4762a1bSJed Brown          0 levels of fill
221c4762a1bSJed Brown          tolerance for zero pivot 2.22045e-14
222c4762a1bSJed Brown          matrix ordering: natural
223c4762a1bSJed Brown          factor fill ratio given 1., needed 1.
224c4762a1bSJed Brown            Factored matrix follows:
225c4762a1bSJed Brown              Mat Object: 1 MPI processes
226c4762a1bSJed Brown                type: seqaij
227c4762a1bSJed Brown                rows=21, cols=21
228c4762a1bSJed Brown                package used to perform factorization: petsc
229c4762a1bSJed Brown                total: nonzeros=85, allocated nonzeros=85
230c4762a1bSJed Brown                  not using I-node routines
231c4762a1bSJed Brown        linear system matrix = precond matrix:
232*793a3527SPierre Jolivet        Mat Object: (fieldsplit_temperature_sub_) 1 MPI processes
233c4762a1bSJed Brown          type: seqaij
234c4762a1bSJed Brown          rows=21, cols=21
235c4762a1bSJed Brown          total: nonzeros=85, allocated nonzeros=85
236c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
237c4762a1bSJed Brown            not using I-node routines
238c4762a1bSJed Brown      linear system matrix = precond matrix:
239c4762a1bSJed Brown      Mat Object: (fieldsplit_temperature_) 3 MPI processes
240c4762a1bSJed Brown        type: mpiaij
241c4762a1bSJed Brown        rows=49, cols=49
242c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
243c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
244c4762a1bSJed Brown          not using I-node (on process 0) routines
245c4762a1bSJed Brown    linear system matrix = precond matrix:
246c4762a1bSJed Brown    Mat Object: 3 MPI processes
247c4762a1bSJed Brown      type: mpiaij
248c4762a1bSJed Brown      rows=196, cols=196, bs=4
249c4762a1bSJed Brown      total: nonzeros=3472, allocated nonzeros=3472
250c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
251c4762a1bSJed BrownNumber of SNES iterations = 2
252