xref: /petsc/src/snes/tutorials/output/ex19_10.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 0.0479011
5c4762a1bSJed Brown    2 KSP Residual norm 0.010778
6c4762a1bSJed Brown    3 KSP Residual norm 0.00272661
7c4762a1bSJed Brown    4 KSP Residual norm 0.000690594
8c4762a1bSJed Brown    5 KSP Residual norm 0.000210687
9c4762a1bSJed Brown    6 KSP Residual norm 0.000105322
10c4762a1bSJed Brown    7 KSP Residual norm 6.5975e-05
11c4762a1bSJed Brown    8 KSP Residual norm 2.80726e-05
12c4762a1bSJed Brown    9 KSP Residual norm 1.87879e-05
13c4762a1bSJed Brown   10 KSP Residual norm 8.24594e-06
14c4762a1bSJed Brown   11 KSP Residual norm 1.72955e-06
15c4762a1bSJed Brown   12 KSP Residual norm 5.17053e-07
16c4762a1bSJed Brown  1 SNES Function norm 2.5023e-05
17c4762a1bSJed Brown    0 KSP Residual norm 2.5023e-05
18c4762a1bSJed Brown    1 KSP Residual norm 5.03001e-06
19c4762a1bSJed Brown    2 KSP Residual norm 1.40061e-06
20c4762a1bSJed Brown    3 KSP Residual norm 5.68423e-07
21c4762a1bSJed Brown    4 KSP Residual norm 1.98909e-07
22c4762a1bSJed Brown    5 KSP Residual norm 9.6167e-08
23c4762a1bSJed Brown    6 KSP Residual norm 4.64061e-08
24c4762a1bSJed Brown    7 KSP Residual norm 9.70042e-09
25c4762a1bSJed Brown    8 KSP Residual norm 2.76341e-09
26c4762a1bSJed Brown    9 KSP Residual norm 9.531e-10
27c4762a1bSJed Brown   10 KSP Residual norm 4.491e-10
28c4762a1bSJed Brown   11 KSP Residual norm 2.978e-10
29c4762a1bSJed Brown   12 KSP Residual norm 1.484e-10
30c4762a1bSJed Brown  2 SNES Function norm 1.483e-10
31c4762a1bSJed BrownSNES Object: 3 MPI processes
32c4762a1bSJed Brown  type: newtonls
33c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
34c4762a1bSJed Brown  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
35c4762a1bSJed Brown  total number of linear solver iterations=24
36c4762a1bSJed Brown  total number of function evaluations=3
37c4762a1bSJed Brown  norm schedule ALWAYS
38c4762a1bSJed Brown  Jacobian is built using colored finite differences on a DMDA
39c4762a1bSJed Brown  SNESLineSearch Object: 3 MPI processes
40c4762a1bSJed Brown    type: bt
41c4762a1bSJed Brown      interpolation: cubic
42c4762a1bSJed Brown      alpha=1.000000e-04
43a99ef635SJonas Heinzmann    maxlambda=1.000000e+00, minlambda=1.000000e-12
44c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
45c4762a1bSJed Brown    maximum iterations=40
46c4762a1bSJed Brown  KSP Object: 3 MPI processes
47c4762a1bSJed Brown    type: fgmres
48f971d498SPierre Jolivet      restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
49*143f2514SPierre Jolivet      happy breakdown tolerance=1e-30
50c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
51c4762a1bSJed Brown    tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
52c4762a1bSJed Brown    right preconditioning
53c4762a1bSJed Brown    using UNPRECONDITIONED norm type for convergence test
54c4762a1bSJed Brown  PC Object: 3 MPI processes
55c4762a1bSJed Brown    type: fieldsplit
56c4762a1bSJed Brown      FieldSplit with SYMMETRIC_MULTIPLICATIVE composition: total splits = 4
57c4762a1bSJed Brown      Solver info for each split is in the following KSP objects:
58c4762a1bSJed Brown    Split number 0 Defined by IS
59c4762a1bSJed Brown    KSP Object: (fieldsplit_x_velocity_) 3 MPI processes
60c4762a1bSJed Brown      type: preonly
61c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
62c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
63c4762a1bSJed Brown      left preconditioning
648405740aSBarry Smith      not checking for convergence
65c4762a1bSJed Brown    PC Object: (fieldsplit_x_velocity_) 3 MPI processes
66c4762a1bSJed Brown      type: bjacobi
67c4762a1bSJed Brown        number of blocks = 3
68020d6619SPierre Jolivet        Local solver information for first block is in the following KSP and PC objects on rank 0:
69020d6619SPierre Jolivet        Use -fieldsplit_x_velocity_ksp_view ::ascii_info_detail to display information for all blocks
708cc725e6SPierre Jolivet        KSP Object: (fieldsplit_x_velocity_sub_) 1 MPI process
71c4762a1bSJed Brown          type: preonly
72c4762a1bSJed Brown          maximum iterations=10000, initial guess is zero
73c4762a1bSJed Brown          tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
74c4762a1bSJed Brown          left preconditioning
758405740aSBarry Smith          not checking for convergence
768cc725e6SPierre Jolivet        PC Object: (fieldsplit_x_velocity_sub_) 1 MPI process
77c4762a1bSJed Brown          type: ilu
78c4762a1bSJed Brown            out-of-place factorization
79c4762a1bSJed Brown            0 levels of fill
80c4762a1bSJed Brown            tolerance for zero pivot 2.22045e-14
81c4762a1bSJed Brown            matrix ordering: natural
82c4762a1bSJed Brown            factor fill ratio given 1., needed 1.
83ecf3d421SBarry Smith              Factored matrix:
8426cc229bSBarry Smith                Mat Object: (fieldsplit_x_velocity_sub_) 1 MPI process
85c4762a1bSJed Brown                  type: seqaij
86c4762a1bSJed Brown                  rows=21, cols=21
87c4762a1bSJed Brown                  package used to perform factorization: petsc
88c4762a1bSJed Brown                  total: nonzeros=85, allocated nonzeros=85
89c4762a1bSJed Brown                    not using I-node routines
90ecf3d421SBarry Smith          linear system matrix, which is also used to construct the preconditioner:
918cc725e6SPierre Jolivet          Mat Object: (fieldsplit_x_velocity_sub_) 1 MPI process
92c4762a1bSJed Brown            type: seqaij
93c4762a1bSJed Brown            rows=21, cols=21
94c4762a1bSJed Brown            total: nonzeros=85, allocated nonzeros=85
95c4762a1bSJed Brown            total number of mallocs used during MatSetValues calls=0
96c4762a1bSJed Brown              not using I-node routines
97ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
98c4762a1bSJed Brown      Mat Object: (fieldsplit_x_velocity_) 3 MPI processes
99c4762a1bSJed Brown        type: mpiaij
100c4762a1bSJed Brown        rows=49, cols=49
101c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
102c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
103c4762a1bSJed Brown          not using I-node (on process 0) routines
104c4762a1bSJed Brown    Split number 1 Defined by IS
105c4762a1bSJed Brown    KSP Object: (fieldsplit_y_velocity_) 3 MPI processes
106c4762a1bSJed Brown      type: preonly
107c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
108c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
109c4762a1bSJed Brown      left preconditioning
1108405740aSBarry Smith      not checking for convergence
111c4762a1bSJed Brown    PC Object: (fieldsplit_y_velocity_) 3 MPI processes
112c4762a1bSJed Brown      type: bjacobi
113c4762a1bSJed Brown        number of blocks = 3
114020d6619SPierre Jolivet        Local solver information for first block is in the following KSP and PC objects on rank 0:
115020d6619SPierre Jolivet        Use -fieldsplit_y_velocity_ksp_view ::ascii_info_detail to display information for all blocks
1168cc725e6SPierre Jolivet        KSP Object: (fieldsplit_y_velocity_sub_) 1 MPI process
117c4762a1bSJed Brown          type: preonly
118c4762a1bSJed Brown          maximum iterations=10000, initial guess is zero
119c4762a1bSJed Brown          tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
120c4762a1bSJed Brown          left preconditioning
1218405740aSBarry Smith          not checking for convergence
1228cc725e6SPierre Jolivet        PC Object: (fieldsplit_y_velocity_sub_) 1 MPI process
123c4762a1bSJed Brown          type: ilu
124c4762a1bSJed Brown            out-of-place factorization
125c4762a1bSJed Brown            0 levels of fill
126c4762a1bSJed Brown            tolerance for zero pivot 2.22045e-14
127c4762a1bSJed Brown            matrix ordering: natural
128c4762a1bSJed Brown            factor fill ratio given 1., needed 1.
129ecf3d421SBarry Smith              Factored matrix:
13026cc229bSBarry Smith                Mat Object: (fieldsplit_y_velocity_sub_) 1 MPI process
131c4762a1bSJed Brown                  type: seqaij
132c4762a1bSJed Brown                  rows=21, cols=21
133c4762a1bSJed Brown                  package used to perform factorization: petsc
134c4762a1bSJed Brown                  total: nonzeros=85, allocated nonzeros=85
135c4762a1bSJed Brown                    not using I-node routines
136ecf3d421SBarry Smith          linear system matrix, which is also used to construct the preconditioner:
1378cc725e6SPierre Jolivet          Mat Object: (fieldsplit_y_velocity_sub_) 1 MPI process
138c4762a1bSJed Brown            type: seqaij
139c4762a1bSJed Brown            rows=21, cols=21
140c4762a1bSJed Brown            total: nonzeros=85, allocated nonzeros=85
141c4762a1bSJed Brown            total number of mallocs used during MatSetValues calls=0
142c4762a1bSJed Brown              not using I-node routines
143ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
144c4762a1bSJed Brown      Mat Object: (fieldsplit_y_velocity_) 3 MPI processes
145c4762a1bSJed Brown        type: mpiaij
146c4762a1bSJed Brown        rows=49, cols=49
147c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
148c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
149c4762a1bSJed Brown          not using I-node (on process 0) routines
150c4762a1bSJed Brown    Split number 2 Defined by IS
151c4762a1bSJed Brown    KSP Object: (fieldsplit_Omega_) 3 MPI processes
152c4762a1bSJed Brown      type: preonly
153c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
154c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
155c4762a1bSJed Brown      left preconditioning
1568405740aSBarry Smith      not checking for convergence
157c4762a1bSJed Brown    PC Object: (fieldsplit_Omega_) 3 MPI processes
158c4762a1bSJed Brown      type: bjacobi
159c4762a1bSJed Brown        number of blocks = 3
160020d6619SPierre Jolivet        Local solver information for first block is in the following KSP and PC objects on rank 0:
161020d6619SPierre Jolivet        Use -fieldsplit_Omega_ksp_view ::ascii_info_detail to display information for all blocks
1628cc725e6SPierre Jolivet        KSP Object: (fieldsplit_Omega_sub_) 1 MPI process
163c4762a1bSJed Brown          type: preonly
164c4762a1bSJed Brown          maximum iterations=10000, initial guess is zero
165c4762a1bSJed Brown          tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
166c4762a1bSJed Brown          left preconditioning
1678405740aSBarry Smith          not checking for convergence
1688cc725e6SPierre Jolivet        PC Object: (fieldsplit_Omega_sub_) 1 MPI process
169c4762a1bSJed Brown          type: ilu
170c4762a1bSJed Brown            out-of-place factorization
171c4762a1bSJed Brown            0 levels of fill
172c4762a1bSJed Brown            tolerance for zero pivot 2.22045e-14
173c4762a1bSJed Brown            matrix ordering: natural
174c4762a1bSJed Brown            factor fill ratio given 1., needed 1.
175ecf3d421SBarry Smith              Factored matrix:
17626cc229bSBarry Smith                Mat Object: (fieldsplit_Omega_sub_) 1 MPI process
177c4762a1bSJed Brown                  type: seqaij
178c4762a1bSJed Brown                  rows=21, cols=21
179c4762a1bSJed Brown                  package used to perform factorization: petsc
180c4762a1bSJed Brown                  total: nonzeros=85, allocated nonzeros=85
181c4762a1bSJed Brown                    not using I-node routines
182ecf3d421SBarry Smith          linear system matrix, which is also used to construct the preconditioner:
1838cc725e6SPierre Jolivet          Mat Object: (fieldsplit_Omega_sub_) 1 MPI process
184c4762a1bSJed Brown            type: seqaij
185c4762a1bSJed Brown            rows=21, cols=21
186c4762a1bSJed Brown            total: nonzeros=85, allocated nonzeros=85
187c4762a1bSJed Brown            total number of mallocs used during MatSetValues calls=0
188c4762a1bSJed Brown              not using I-node routines
189ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
190c4762a1bSJed Brown      Mat Object: (fieldsplit_Omega_) 3 MPI processes
191c4762a1bSJed Brown        type: mpiaij
192c4762a1bSJed Brown        rows=49, cols=49
193c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
194c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
195c4762a1bSJed Brown          not using I-node (on process 0) routines
196c4762a1bSJed Brown    Split number 3 Defined by IS
197c4762a1bSJed Brown    KSP Object: (fieldsplit_temperature_) 3 MPI processes
198c4762a1bSJed Brown      type: preonly
199c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
200c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
201c4762a1bSJed Brown      left preconditioning
2028405740aSBarry Smith      not checking for convergence
203c4762a1bSJed Brown    PC Object: (fieldsplit_temperature_) 3 MPI processes
204c4762a1bSJed Brown      type: bjacobi
205c4762a1bSJed Brown        number of blocks = 3
206020d6619SPierre Jolivet        Local solver information for first block is in the following KSP and PC objects on rank 0:
207020d6619SPierre Jolivet        Use -fieldsplit_temperature_ksp_view ::ascii_info_detail to display information for all blocks
2088cc725e6SPierre Jolivet        KSP Object: (fieldsplit_temperature_sub_) 1 MPI process
209c4762a1bSJed Brown          type: preonly
210c4762a1bSJed Brown          maximum iterations=10000, initial guess is zero
211c4762a1bSJed Brown          tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
212c4762a1bSJed Brown          left preconditioning
2138405740aSBarry Smith          not checking for convergence
2148cc725e6SPierre Jolivet        PC Object: (fieldsplit_temperature_sub_) 1 MPI process
215c4762a1bSJed Brown          type: ilu
216c4762a1bSJed Brown            out-of-place factorization
217c4762a1bSJed Brown            0 levels of fill
218c4762a1bSJed Brown            tolerance for zero pivot 2.22045e-14
219c4762a1bSJed Brown            matrix ordering: natural
220c4762a1bSJed Brown            factor fill ratio given 1., needed 1.
221ecf3d421SBarry Smith              Factored matrix:
22226cc229bSBarry Smith                Mat Object: (fieldsplit_temperature_sub_) 1 MPI process
223c4762a1bSJed Brown                  type: seqaij
224c4762a1bSJed Brown                  rows=21, cols=21
225c4762a1bSJed Brown                  package used to perform factorization: petsc
226c4762a1bSJed Brown                  total: nonzeros=85, allocated nonzeros=85
227c4762a1bSJed Brown                    not using I-node routines
228ecf3d421SBarry Smith          linear system matrix, which is also used to construct the preconditioner:
2298cc725e6SPierre Jolivet          Mat Object: (fieldsplit_temperature_sub_) 1 MPI process
230c4762a1bSJed Brown            type: seqaij
231c4762a1bSJed Brown            rows=21, cols=21
232c4762a1bSJed Brown            total: nonzeros=85, allocated nonzeros=85
233c4762a1bSJed Brown            total number of mallocs used during MatSetValues calls=0
234c4762a1bSJed Brown              not using I-node routines
235ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
236c4762a1bSJed Brown      Mat Object: (fieldsplit_temperature_) 3 MPI processes
237c4762a1bSJed Brown        type: mpiaij
238c4762a1bSJed Brown        rows=49, cols=49
239c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
240c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
241c4762a1bSJed Brown          not using I-node (on process 0) routines
242ecf3d421SBarry Smith    linear system matrix, which is also used to construct the preconditioner:
243c4762a1bSJed Brown    Mat Object: 3 MPI processes
244c4762a1bSJed Brown      type: mpiaij
245c4762a1bSJed Brown      rows=196, cols=196, bs=4
246c4762a1bSJed Brown      total: nonzeros=3472, allocated nonzeros=3472
247c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
248c4762a1bSJed BrownNumber of SNES iterations = 2
249