xref: /petsc/src/snes/tutorials/output/ex19_7.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
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
50a99ef635SJonas Heinzmann    maxlambda=1.000000e+00, 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
55f971d498SPierre Jolivet      restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
56*143f2514SPierre Jolivet      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
718405740aSBarry Smith      not checking for convergence
72c4762a1bSJed Brown    PC Object: (fieldsplit_x_velocity_) 3 MPI processes
73c4762a1bSJed Brown      type: bjacobi
74c4762a1bSJed Brown        number of blocks = 3
75020d6619SPierre Jolivet        Local solver information for first block is in the following KSP and PC objects on rank 0:
76020d6619SPierre Jolivet        Use -fieldsplit_x_velocity_ksp_view ::ascii_info_detail to display information for all blocks
778cc725e6SPierre Jolivet        KSP Object: (fieldsplit_x_velocity_sub_) 1 MPI process
78c4762a1bSJed Brown          type: preonly
79c4762a1bSJed Brown          maximum iterations=10000, initial guess is zero
80c4762a1bSJed Brown          tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
81c4762a1bSJed Brown          left preconditioning
828405740aSBarry Smith          not checking for convergence
838cc725e6SPierre Jolivet        PC Object: (fieldsplit_x_velocity_sub_) 1 MPI process
84c4762a1bSJed Brown          type: ilu
85c4762a1bSJed Brown            out-of-place factorization
86c4762a1bSJed Brown            0 levels of fill
87c4762a1bSJed Brown            tolerance for zero pivot 2.22045e-14
88c4762a1bSJed Brown            matrix ordering: natural
89c4762a1bSJed Brown            factor fill ratio given 1., needed 1.
90ecf3d421SBarry Smith              Factored matrix:
9126cc229bSBarry Smith                Mat Object: (fieldsplit_x_velocity_sub_) 1 MPI process
92c4762a1bSJed Brown                  type: seqaij
93c4762a1bSJed Brown                  rows=21, cols=21
94c4762a1bSJed Brown                  package used to perform factorization: petsc
95c4762a1bSJed Brown                  total: nonzeros=85, allocated nonzeros=85
96c4762a1bSJed Brown                    not using I-node routines
97ecf3d421SBarry Smith          linear system matrix, which is also used to construct the preconditioner:
988cc725e6SPierre Jolivet          Mat Object: (fieldsplit_x_velocity_sub_) 1 MPI process
99c4762a1bSJed Brown            type: seqaij
100c4762a1bSJed Brown            rows=21, cols=21
101c4762a1bSJed Brown            total: nonzeros=85, allocated nonzeros=85
102c4762a1bSJed Brown            total number of mallocs used during MatSetValues calls=0
103c4762a1bSJed Brown              not using I-node routines
104ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
105c4762a1bSJed Brown      Mat Object: (fieldsplit_x_velocity_) 3 MPI processes
106c4762a1bSJed Brown        type: mpiaij
107c4762a1bSJed Brown        rows=49, cols=49
108c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
109c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
110c4762a1bSJed Brown          not using I-node (on process 0) routines
111c4762a1bSJed Brown    Split number 1 Defined by IS
112c4762a1bSJed Brown    KSP Object: (fieldsplit_y_velocity_) 3 MPI processes
113c4762a1bSJed Brown      type: preonly
114c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
115c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
116c4762a1bSJed Brown      left preconditioning
1178405740aSBarry Smith      not checking for convergence
118c4762a1bSJed Brown    PC Object: (fieldsplit_y_velocity_) 3 MPI processes
119c4762a1bSJed Brown      type: bjacobi
120c4762a1bSJed Brown        number of blocks = 3
121020d6619SPierre Jolivet        Local solver information for first block is in the following KSP and PC objects on rank 0:
122020d6619SPierre Jolivet        Use -fieldsplit_y_velocity_ksp_view ::ascii_info_detail to display information for all blocks
1238cc725e6SPierre Jolivet        KSP Object: (fieldsplit_y_velocity_sub_) 1 MPI process
124c4762a1bSJed Brown          type: preonly
125c4762a1bSJed Brown          maximum iterations=10000, initial guess is zero
126c4762a1bSJed Brown          tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
127c4762a1bSJed Brown          left preconditioning
1288405740aSBarry Smith          not checking for convergence
1298cc725e6SPierre Jolivet        PC Object: (fieldsplit_y_velocity_sub_) 1 MPI process
130c4762a1bSJed Brown          type: ilu
131c4762a1bSJed Brown            out-of-place factorization
132c4762a1bSJed Brown            0 levels of fill
133c4762a1bSJed Brown            tolerance for zero pivot 2.22045e-14
134c4762a1bSJed Brown            matrix ordering: natural
135c4762a1bSJed Brown            factor fill ratio given 1., needed 1.
136ecf3d421SBarry Smith              Factored matrix:
13726cc229bSBarry Smith                Mat Object: (fieldsplit_y_velocity_sub_) 1 MPI process
138c4762a1bSJed Brown                  type: seqaij
139c4762a1bSJed Brown                  rows=21, cols=21
140c4762a1bSJed Brown                  package used to perform factorization: petsc
141c4762a1bSJed Brown                  total: nonzeros=85, allocated nonzeros=85
142c4762a1bSJed Brown                    not using I-node routines
143ecf3d421SBarry Smith          linear system matrix, which is also used to construct the preconditioner:
1448cc725e6SPierre Jolivet          Mat Object: (fieldsplit_y_velocity_sub_) 1 MPI process
145c4762a1bSJed Brown            type: seqaij
146c4762a1bSJed Brown            rows=21, cols=21
147c4762a1bSJed Brown            total: nonzeros=85, allocated nonzeros=85
148c4762a1bSJed Brown            total number of mallocs used during MatSetValues calls=0
149c4762a1bSJed Brown              not using I-node routines
150ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
151c4762a1bSJed Brown      Mat Object: (fieldsplit_y_velocity_) 3 MPI processes
152c4762a1bSJed Brown        type: mpiaij
153c4762a1bSJed Brown        rows=49, cols=49
154c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
155c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
156c4762a1bSJed Brown          not using I-node (on process 0) routines
157c4762a1bSJed Brown    Split number 2 Defined by IS
158c4762a1bSJed Brown    KSP Object: (fieldsplit_Omega_) 3 MPI processes
159c4762a1bSJed Brown      type: preonly
160c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
161c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
162c4762a1bSJed Brown      left preconditioning
1638405740aSBarry Smith      not checking for convergence
164c4762a1bSJed Brown    PC Object: (fieldsplit_Omega_) 3 MPI processes
165c4762a1bSJed Brown      type: bjacobi
166c4762a1bSJed Brown        number of blocks = 3
167020d6619SPierre Jolivet        Local solver information for first block is in the following KSP and PC objects on rank 0:
168020d6619SPierre Jolivet        Use -fieldsplit_Omega_ksp_view ::ascii_info_detail to display information for all blocks
1698cc725e6SPierre Jolivet        KSP Object: (fieldsplit_Omega_sub_) 1 MPI process
170c4762a1bSJed Brown          type: preonly
171c4762a1bSJed Brown          maximum iterations=10000, initial guess is zero
172c4762a1bSJed Brown          tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
173c4762a1bSJed Brown          left preconditioning
1748405740aSBarry Smith          not checking for convergence
1758cc725e6SPierre Jolivet        PC Object: (fieldsplit_Omega_sub_) 1 MPI process
176c4762a1bSJed Brown          type: ilu
177c4762a1bSJed Brown            out-of-place factorization
178c4762a1bSJed Brown            0 levels of fill
179c4762a1bSJed Brown            tolerance for zero pivot 2.22045e-14
180c4762a1bSJed Brown            matrix ordering: natural
181c4762a1bSJed Brown            factor fill ratio given 1., needed 1.
182ecf3d421SBarry Smith              Factored matrix:
18326cc229bSBarry Smith                Mat Object: (fieldsplit_Omega_sub_) 1 MPI process
184c4762a1bSJed Brown                  type: seqaij
185c4762a1bSJed Brown                  rows=21, cols=21
186c4762a1bSJed Brown                  package used to perform factorization: petsc
187c4762a1bSJed Brown                  total: nonzeros=85, allocated nonzeros=85
188c4762a1bSJed Brown                    not using I-node routines
189ecf3d421SBarry Smith          linear system matrix, which is also used to construct the preconditioner:
1908cc725e6SPierre Jolivet          Mat Object: (fieldsplit_Omega_sub_) 1 MPI process
191c4762a1bSJed Brown            type: seqaij
192c4762a1bSJed Brown            rows=21, cols=21
193c4762a1bSJed Brown            total: nonzeros=85, allocated nonzeros=85
194c4762a1bSJed Brown            total number of mallocs used during MatSetValues calls=0
195c4762a1bSJed Brown              not using I-node routines
196ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
197c4762a1bSJed Brown      Mat Object: (fieldsplit_Omega_) 3 MPI processes
198c4762a1bSJed Brown        type: mpiaij
199c4762a1bSJed Brown        rows=49, cols=49
200c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
201c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
202c4762a1bSJed Brown          not using I-node (on process 0) routines
203c4762a1bSJed Brown    Split number 3 Defined by IS
204c4762a1bSJed Brown    KSP Object: (fieldsplit_temperature_) 3 MPI processes
205c4762a1bSJed Brown      type: preonly
206c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
207c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
208c4762a1bSJed Brown      left preconditioning
2098405740aSBarry Smith      not checking for convergence
210c4762a1bSJed Brown    PC Object: (fieldsplit_temperature_) 3 MPI processes
211c4762a1bSJed Brown      type: bjacobi
212c4762a1bSJed Brown        number of blocks = 3
213020d6619SPierre Jolivet        Local solver information for first block is in the following KSP and PC objects on rank 0:
214020d6619SPierre Jolivet        Use -fieldsplit_temperature_ksp_view ::ascii_info_detail to display information for all blocks
2158cc725e6SPierre Jolivet        KSP Object: (fieldsplit_temperature_sub_) 1 MPI process
216c4762a1bSJed Brown          type: preonly
217c4762a1bSJed Brown          maximum iterations=10000, initial guess is zero
218c4762a1bSJed Brown          tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
219c4762a1bSJed Brown          left preconditioning
2208405740aSBarry Smith          not checking for convergence
2218cc725e6SPierre Jolivet        PC Object: (fieldsplit_temperature_sub_) 1 MPI process
222c4762a1bSJed Brown          type: ilu
223c4762a1bSJed Brown            out-of-place factorization
224c4762a1bSJed Brown            0 levels of fill
225c4762a1bSJed Brown            tolerance for zero pivot 2.22045e-14
226c4762a1bSJed Brown            matrix ordering: natural
227c4762a1bSJed Brown            factor fill ratio given 1., needed 1.
228ecf3d421SBarry Smith              Factored matrix:
22926cc229bSBarry Smith                Mat Object: (fieldsplit_temperature_sub_) 1 MPI process
230c4762a1bSJed Brown                  type: seqaij
231c4762a1bSJed Brown                  rows=21, cols=21
232c4762a1bSJed Brown                  package used to perform factorization: petsc
233c4762a1bSJed Brown                  total: nonzeros=85, allocated nonzeros=85
234c4762a1bSJed Brown                    not using I-node routines
235ecf3d421SBarry Smith          linear system matrix, which is also used to construct the preconditioner:
2368cc725e6SPierre Jolivet          Mat Object: (fieldsplit_temperature_sub_) 1 MPI process
237c4762a1bSJed Brown            type: seqaij
238c4762a1bSJed Brown            rows=21, cols=21
239c4762a1bSJed Brown            total: nonzeros=85, allocated nonzeros=85
240c4762a1bSJed Brown            total number of mallocs used during MatSetValues calls=0
241c4762a1bSJed Brown              not using I-node routines
242ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
243c4762a1bSJed Brown      Mat Object: (fieldsplit_temperature_) 3 MPI processes
244c4762a1bSJed Brown        type: mpiaij
245c4762a1bSJed Brown        rows=49, cols=49
246c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
247c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
248c4762a1bSJed Brown          not using I-node (on process 0) routines
249ecf3d421SBarry Smith    linear system matrix, which is also used to construct the preconditioner:
250c4762a1bSJed Brown    Mat Object: 3 MPI processes
251c4762a1bSJed Brown      type: mpiaij
252c4762a1bSJed Brown      rows=196, cols=196, bs=4
253c4762a1bSJed Brown      total: nonzeros=3472, allocated nonzeros=3472
254c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
255c4762a1bSJed BrownNumber of SNES iterations = 2
256