xref: /petsc/src/snes/tutorials/output/ex19_13.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 0.000325883
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 1.43754e-06
24c4762a1bSJed Brown    4 KSP Residual norm 6.54959e-07
25c4762a1bSJed Brown    5 KSP Residual norm 5.12221e-07
26c4762a1bSJed Brown    6 KSP Residual norm 3.42561e-07
27c4762a1bSJed Brown    7 KSP Residual norm 1.45139e-07
28c4762a1bSJed Brown    8 KSP Residual norm 7.40916e-08
29c4762a1bSJed Brown    9 KSP Residual norm 3.79621e-08
30c4762a1bSJed Brown   10 KSP Residual norm 1.50283e-08
31c4762a1bSJed Brown   11 KSP Residual norm 5.03342e-09
32c4762a1bSJed Brown   12 KSP Residual norm 2.41715e-09
33c4762a1bSJed Brown   13 KSP Residual norm 1.38641e-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 2.020e-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=36
44c4762a1bSJed Brown  norm schedule ALWAYS
45c4762a1bSJed Brown  Jacobian is applied matrix-free with differencing
46c4762a1bSJed Brown  Preconditioning Jacobian is built using colored finite differences on a DMDA
47c4762a1bSJed Brown  SNESLineSearch Object: 3 MPI processes
48c4762a1bSJed Brown    type: bt
49c4762a1bSJed Brown      interpolation: cubic
50c4762a1bSJed Brown      alpha=1.000000e-04
51a99ef635SJonas Heinzmann    maxlambda=1.000000e+00, minlambda=1.000000e-12
52c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
53c4762a1bSJed Brown    maximum iterations=40
54c4762a1bSJed Brown  KSP Object: 3 MPI processes
55c4762a1bSJed Brown    type: fgmres
56f971d498SPierre Jolivet      restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
57*143f2514SPierre Jolivet      happy breakdown tolerance=1e-30
58c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
59c4762a1bSJed Brown    tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
60c4762a1bSJed Brown    right preconditioning
61c4762a1bSJed Brown    using UNPRECONDITIONED norm type for convergence test
62c4762a1bSJed Brown  PC Object: 3 MPI processes
63c4762a1bSJed Brown    type: fieldsplit
64c4762a1bSJed Brown      FieldSplit with MULTIPLICATIVE composition: total splits = 4
65c4762a1bSJed Brown      Solver info for each split is in the following KSP objects:
66c4762a1bSJed Brown    Split number 0 Defined by IS
67c4762a1bSJed Brown    KSP Object: (fieldsplit_x_velocity_) 3 MPI processes
68c4762a1bSJed Brown      type: preonly
69c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
70c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
71c4762a1bSJed Brown      left preconditioning
728405740aSBarry Smith      not checking for convergence
73c4762a1bSJed Brown    PC Object: (fieldsplit_x_velocity_) 3 MPI processes
74c4762a1bSJed Brown      type: bjacobi
75c4762a1bSJed Brown        number of blocks = 3
76020d6619SPierre Jolivet        Local solver information for first block is in the following KSP and PC objects on rank 0:
77020d6619SPierre Jolivet        Use -fieldsplit_x_velocity_ksp_view ::ascii_info_detail to display information for all blocks
788cc725e6SPierre Jolivet        KSP Object: (fieldsplit_x_velocity_sub_) 1 MPI process
79c4762a1bSJed Brown          type: preonly
80c4762a1bSJed Brown          maximum iterations=10000, initial guess is zero
81c4762a1bSJed Brown          tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
82c4762a1bSJed Brown          left preconditioning
838405740aSBarry Smith          not checking for convergence
848cc725e6SPierre Jolivet        PC Object: (fieldsplit_x_velocity_sub_) 1 MPI process
85c4762a1bSJed Brown          type: ilu
86c4762a1bSJed Brown            out-of-place factorization
87c4762a1bSJed Brown            0 levels of fill
88c4762a1bSJed Brown            tolerance for zero pivot 2.22045e-14
89c4762a1bSJed Brown            matrix ordering: natural
90c4762a1bSJed Brown            factor fill ratio given 1., needed 1.
91ecf3d421SBarry Smith              Factored matrix:
9226cc229bSBarry Smith                Mat Object: (fieldsplit_x_velocity_sub_) 1 MPI process
93c4762a1bSJed Brown                  type: seqaij
94c4762a1bSJed Brown                  rows=21, cols=21
95c4762a1bSJed Brown                  package used to perform factorization: petsc
96c4762a1bSJed Brown                  total: nonzeros=85, allocated nonzeros=85
97c4762a1bSJed Brown                    not using I-node routines
98ecf3d421SBarry Smith          linear system matrix, which is also used to construct the preconditioner:
998cc725e6SPierre Jolivet          Mat Object: (fieldsplit_x_velocity_sub_) 1 MPI process
100c4762a1bSJed Brown            type: seqaij
101c4762a1bSJed Brown            rows=21, cols=21
102c4762a1bSJed Brown            total: nonzeros=85, allocated nonzeros=85
103c4762a1bSJed Brown            total number of mallocs used during MatSetValues calls=0
104c4762a1bSJed Brown              not using I-node routines
105ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
106c4762a1bSJed Brown      Mat Object: (fieldsplit_x_velocity_) 3 MPI processes
107c4762a1bSJed Brown        type: mpiaij
108c4762a1bSJed Brown        rows=49, cols=49
109c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
110c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
111c4762a1bSJed Brown          not using I-node (on process 0) routines
112c4762a1bSJed Brown    Split number 1 Defined by IS
113c4762a1bSJed Brown    KSP Object: (fieldsplit_y_velocity_) 3 MPI processes
114c4762a1bSJed Brown      type: preonly
115c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
116c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
117c4762a1bSJed Brown      left preconditioning
1188405740aSBarry Smith      not checking for convergence
119c4762a1bSJed Brown    PC Object: (fieldsplit_y_velocity_) 3 MPI processes
120c4762a1bSJed Brown      type: bjacobi
121c4762a1bSJed Brown        number of blocks = 3
122020d6619SPierre Jolivet        Local solver information for first block is in the following KSP and PC objects on rank 0:
123020d6619SPierre Jolivet        Use -fieldsplit_y_velocity_ksp_view ::ascii_info_detail to display information for all blocks
1248cc725e6SPierre Jolivet        KSP Object: (fieldsplit_y_velocity_sub_) 1 MPI process
125c4762a1bSJed Brown          type: preonly
126c4762a1bSJed Brown          maximum iterations=10000, initial guess is zero
127c4762a1bSJed Brown          tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
128c4762a1bSJed Brown          left preconditioning
1298405740aSBarry Smith          not checking for convergence
1308cc725e6SPierre Jolivet        PC Object: (fieldsplit_y_velocity_sub_) 1 MPI process
131c4762a1bSJed Brown          type: ilu
132c4762a1bSJed Brown            out-of-place factorization
133c4762a1bSJed Brown            0 levels of fill
134c4762a1bSJed Brown            tolerance for zero pivot 2.22045e-14
135c4762a1bSJed Brown            matrix ordering: natural
136c4762a1bSJed Brown            factor fill ratio given 1., needed 1.
137ecf3d421SBarry Smith              Factored matrix:
13826cc229bSBarry Smith                Mat Object: (fieldsplit_y_velocity_sub_) 1 MPI process
139c4762a1bSJed Brown                  type: seqaij
140c4762a1bSJed Brown                  rows=21, cols=21
141c4762a1bSJed Brown                  package used to perform factorization: petsc
142c4762a1bSJed Brown                  total: nonzeros=85, allocated nonzeros=85
143c4762a1bSJed Brown                    not using I-node routines
144ecf3d421SBarry Smith          linear system matrix, which is also used to construct the preconditioner:
1458cc725e6SPierre Jolivet          Mat Object: (fieldsplit_y_velocity_sub_) 1 MPI process
146c4762a1bSJed Brown            type: seqaij
147c4762a1bSJed Brown            rows=21, cols=21
148c4762a1bSJed Brown            total: nonzeros=85, allocated nonzeros=85
149c4762a1bSJed Brown            total number of mallocs used during MatSetValues calls=0
150c4762a1bSJed Brown              not using I-node routines
151ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
152c4762a1bSJed Brown      Mat Object: (fieldsplit_y_velocity_) 3 MPI processes
153c4762a1bSJed Brown        type: mpiaij
154c4762a1bSJed Brown        rows=49, cols=49
155c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
156c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
157c4762a1bSJed Brown          not using I-node (on process 0) routines
158c4762a1bSJed Brown    Split number 2 Defined by IS
159c4762a1bSJed Brown    KSP Object: (fieldsplit_Omega_) 3 MPI processes
160c4762a1bSJed Brown      type: preonly
161c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
162c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
163c4762a1bSJed Brown      left preconditioning
1648405740aSBarry Smith      not checking for convergence
165c4762a1bSJed Brown    PC Object: (fieldsplit_Omega_) 3 MPI processes
166c4762a1bSJed Brown      type: bjacobi
167c4762a1bSJed Brown        number of blocks = 3
168020d6619SPierre Jolivet        Local solver information for first block is in the following KSP and PC objects on rank 0:
169020d6619SPierre Jolivet        Use -fieldsplit_Omega_ksp_view ::ascii_info_detail to display information for all blocks
1708cc725e6SPierre Jolivet        KSP Object: (fieldsplit_Omega_sub_) 1 MPI process
171c4762a1bSJed Brown          type: preonly
172c4762a1bSJed Brown          maximum iterations=10000, initial guess is zero
173c4762a1bSJed Brown          tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
174c4762a1bSJed Brown          left preconditioning
1758405740aSBarry Smith          not checking for convergence
1768cc725e6SPierre Jolivet        PC Object: (fieldsplit_Omega_sub_) 1 MPI process
177c4762a1bSJed Brown          type: ilu
178c4762a1bSJed Brown            out-of-place factorization
179c4762a1bSJed Brown            0 levels of fill
180c4762a1bSJed Brown            tolerance for zero pivot 2.22045e-14
181c4762a1bSJed Brown            matrix ordering: natural
182c4762a1bSJed Brown            factor fill ratio given 1., needed 1.
183ecf3d421SBarry Smith              Factored matrix:
18426cc229bSBarry Smith                Mat Object: (fieldsplit_Omega_sub_) 1 MPI process
185c4762a1bSJed Brown                  type: seqaij
186c4762a1bSJed Brown                  rows=21, cols=21
187c4762a1bSJed Brown                  package used to perform factorization: petsc
188c4762a1bSJed Brown                  total: nonzeros=85, allocated nonzeros=85
189c4762a1bSJed Brown                    not using I-node routines
190ecf3d421SBarry Smith          linear system matrix, which is also used to construct the preconditioner:
1918cc725e6SPierre Jolivet          Mat Object: (fieldsplit_Omega_sub_) 1 MPI process
192c4762a1bSJed Brown            type: seqaij
193c4762a1bSJed Brown            rows=21, cols=21
194c4762a1bSJed Brown            total: nonzeros=85, allocated nonzeros=85
195c4762a1bSJed Brown            total number of mallocs used during MatSetValues calls=0
196c4762a1bSJed Brown              not using I-node routines
197ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
198c4762a1bSJed Brown      Mat Object: (fieldsplit_Omega_) 3 MPI processes
199c4762a1bSJed Brown        type: mpiaij
200c4762a1bSJed Brown        rows=49, cols=49
201c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
202c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
203c4762a1bSJed Brown          not using I-node (on process 0) routines
204c4762a1bSJed Brown    Split number 3 Defined by IS
205c4762a1bSJed Brown    KSP Object: (fieldsplit_temperature_) 3 MPI processes
206c4762a1bSJed Brown      type: preonly
207c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
208c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
209c4762a1bSJed Brown      left preconditioning
2108405740aSBarry Smith      not checking for convergence
211c4762a1bSJed Brown    PC Object: (fieldsplit_temperature_) 3 MPI processes
212c4762a1bSJed Brown      type: bjacobi
213c4762a1bSJed Brown        number of blocks = 3
214020d6619SPierre Jolivet        Local solver information for first block is in the following KSP and PC objects on rank 0:
215020d6619SPierre Jolivet        Use -fieldsplit_temperature_ksp_view ::ascii_info_detail to display information for all blocks
2168cc725e6SPierre Jolivet        KSP Object: (fieldsplit_temperature_sub_) 1 MPI process
217c4762a1bSJed Brown          type: preonly
218c4762a1bSJed Brown          maximum iterations=10000, initial guess is zero
219c4762a1bSJed Brown          tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
220c4762a1bSJed Brown          left preconditioning
2218405740aSBarry Smith          not checking for convergence
2228cc725e6SPierre Jolivet        PC Object: (fieldsplit_temperature_sub_) 1 MPI process
223c4762a1bSJed Brown          type: ilu
224c4762a1bSJed Brown            out-of-place factorization
225c4762a1bSJed Brown            0 levels of fill
226c4762a1bSJed Brown            tolerance for zero pivot 2.22045e-14
227c4762a1bSJed Brown            matrix ordering: natural
228c4762a1bSJed Brown            factor fill ratio given 1., needed 1.
229ecf3d421SBarry Smith              Factored matrix:
23026cc229bSBarry Smith                Mat Object: (fieldsplit_temperature_sub_) 1 MPI process
231c4762a1bSJed Brown                  type: seqaij
232c4762a1bSJed Brown                  rows=21, cols=21
233c4762a1bSJed Brown                  package used to perform factorization: petsc
234c4762a1bSJed Brown                  total: nonzeros=85, allocated nonzeros=85
235c4762a1bSJed Brown                    not using I-node routines
236ecf3d421SBarry Smith          linear system matrix, which is also used to construct the preconditioner:
2378cc725e6SPierre Jolivet          Mat Object: (fieldsplit_temperature_sub_) 1 MPI process
238c4762a1bSJed Brown            type: seqaij
239c4762a1bSJed Brown            rows=21, cols=21
240c4762a1bSJed Brown            total: nonzeros=85, allocated nonzeros=85
241c4762a1bSJed Brown            total number of mallocs used during MatSetValues calls=0
242c4762a1bSJed Brown              not using I-node routines
243ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
244c4762a1bSJed Brown      Mat Object: (fieldsplit_temperature_) 3 MPI processes
245c4762a1bSJed Brown        type: mpiaij
246c4762a1bSJed Brown        rows=49, cols=49
247c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
248c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
249c4762a1bSJed Brown          not using I-node (on process 0) routines
250ecf3d421SBarry Smith    linear system matrix, followed by the matrix used to construct the preconditioner:
251c4762a1bSJed Brown    Mat Object: 3 MPI processes
252c4762a1bSJed Brown      type: mffd
253c4762a1bSJed Brown      rows=196, cols=196
254c4762a1bSJed Brown        Matrix-free approximation:
255c4762a1bSJed Brown          err=1.49012e-08 (relative error in function evaluation)
256c4762a1bSJed Brown          Using wp compute h routine
257c4762a1bSJed Brown              Does not compute normU
258c4762a1bSJed Brown    Mat Object: 3 MPI processes
259c4762a1bSJed Brown      type: mpiaij
260c4762a1bSJed Brown      rows=196, cols=196, bs=4
261c4762a1bSJed Brown      total: nonzeros=3472, allocated nonzeros=3472
262c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
263c4762a1bSJed BrownNumber of SNES iterations = 2
264