xref: /petsc/src/snes/tutorials/output/ex19_13.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 0.000325883
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
51c4762a1bSJed Brown    maxstep=1.000000e+08, 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
56c4762a1bSJed Brown      restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
57c4762a1bSJed Brown      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
72c4762a1bSJed Brown      using NONE norm type for convergence test
73c4762a1bSJed Brown    PC Object: (fieldsplit_x_velocity_) 3 MPI processes
74c4762a1bSJed Brown      type: bjacobi
75c4762a1bSJed Brown        number of blocks = 3
768d76b567SPatrick Sanan        Local solver is the same for all blocks, as in the following KSP and PC objects on rank 0:
77c4762a1bSJed Brown      KSP Object: (fieldsplit_x_velocity_sub_) 1 MPI processes
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
82c4762a1bSJed Brown        using NONE norm type for convergence test
83c4762a1bSJed Brown      PC Object: (fieldsplit_x_velocity_sub_) 1 MPI processes
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.
90c4762a1bSJed Brown            Factored matrix follows:
91c4762a1bSJed Brown              Mat Object: 1 MPI processes
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
97c4762a1bSJed Brown        linear system matrix = precond matrix:
98*793a3527SPierre Jolivet        Mat Object: (fieldsplit_x_velocity_sub_) 1 MPI processes
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
104c4762a1bSJed Brown      linear system matrix = precond matrix:
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
117c4762a1bSJed Brown      using NONE norm type for convergence test
118c4762a1bSJed Brown    PC Object: (fieldsplit_y_velocity_) 3 MPI processes
119c4762a1bSJed Brown      type: bjacobi
120c4762a1bSJed Brown        number of blocks = 3
1218d76b567SPatrick Sanan        Local solver is the same for all blocks, as in the following KSP and PC objects on rank 0:
122c4762a1bSJed Brown      KSP Object: (fieldsplit_y_velocity_sub_) 1 MPI processes
123c4762a1bSJed Brown        type: preonly
124c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
125c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
126c4762a1bSJed Brown        left preconditioning
127c4762a1bSJed Brown        using NONE norm type for convergence test
128c4762a1bSJed Brown      PC Object: (fieldsplit_y_velocity_sub_) 1 MPI processes
129c4762a1bSJed Brown        type: ilu
130c4762a1bSJed Brown          out-of-place factorization
131c4762a1bSJed Brown          0 levels of fill
132c4762a1bSJed Brown          tolerance for zero pivot 2.22045e-14
133c4762a1bSJed Brown          matrix ordering: natural
134c4762a1bSJed Brown          factor fill ratio given 1., needed 1.
135c4762a1bSJed Brown            Factored matrix follows:
136c4762a1bSJed Brown              Mat Object: 1 MPI processes
137c4762a1bSJed Brown                type: seqaij
138c4762a1bSJed Brown                rows=21, cols=21
139c4762a1bSJed Brown                package used to perform factorization: petsc
140c4762a1bSJed Brown                total: nonzeros=85, allocated nonzeros=85
141c4762a1bSJed Brown                  not using I-node routines
142c4762a1bSJed Brown        linear system matrix = precond matrix:
143*793a3527SPierre Jolivet        Mat Object: (fieldsplit_y_velocity_sub_) 1 MPI processes
144c4762a1bSJed Brown          type: seqaij
145c4762a1bSJed Brown          rows=21, cols=21
146c4762a1bSJed Brown          total: nonzeros=85, allocated nonzeros=85
147c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
148c4762a1bSJed Brown            not using I-node routines
149c4762a1bSJed Brown      linear system matrix = precond matrix:
150c4762a1bSJed Brown      Mat Object: (fieldsplit_y_velocity_) 3 MPI processes
151c4762a1bSJed Brown        type: mpiaij
152c4762a1bSJed Brown        rows=49, cols=49
153c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
154c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
155c4762a1bSJed Brown          not using I-node (on process 0) routines
156c4762a1bSJed Brown    Split number 2 Defined by IS
157c4762a1bSJed Brown    KSP Object: (fieldsplit_Omega_) 3 MPI processes
158c4762a1bSJed Brown      type: preonly
159c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
160c4762a1bSJed Brown      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
161c4762a1bSJed Brown      left preconditioning
162c4762a1bSJed Brown      using NONE norm type for convergence test
163c4762a1bSJed Brown    PC Object: (fieldsplit_Omega_) 3 MPI processes
164c4762a1bSJed Brown      type: bjacobi
165c4762a1bSJed Brown        number of blocks = 3
1668d76b567SPatrick Sanan        Local solver is the same for all blocks, as in the following KSP and PC objects on rank 0:
167c4762a1bSJed Brown      KSP Object: (fieldsplit_Omega_sub_) 1 MPI processes
168c4762a1bSJed Brown        type: preonly
169c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
170c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
171c4762a1bSJed Brown        left preconditioning
172c4762a1bSJed Brown        using NONE norm type for convergence test
173c4762a1bSJed Brown      PC Object: (fieldsplit_Omega_sub_) 1 MPI processes
174c4762a1bSJed Brown        type: ilu
175c4762a1bSJed Brown          out-of-place factorization
176c4762a1bSJed Brown          0 levels of fill
177c4762a1bSJed Brown          tolerance for zero pivot 2.22045e-14
178c4762a1bSJed Brown          matrix ordering: natural
179c4762a1bSJed Brown          factor fill ratio given 1., needed 1.
180c4762a1bSJed Brown            Factored matrix follows:
181c4762a1bSJed Brown              Mat Object: 1 MPI processes
182c4762a1bSJed Brown                type: seqaij
183c4762a1bSJed Brown                rows=21, cols=21
184c4762a1bSJed Brown                package used to perform factorization: petsc
185c4762a1bSJed Brown                total: nonzeros=85, allocated nonzeros=85
186c4762a1bSJed Brown                  not using I-node routines
187c4762a1bSJed Brown        linear system matrix = precond matrix:
188*793a3527SPierre Jolivet        Mat Object: (fieldsplit_Omega_sub_) 1 MPI processes
189c4762a1bSJed Brown          type: seqaij
190c4762a1bSJed Brown          rows=21, cols=21
191c4762a1bSJed Brown          total: nonzeros=85, allocated nonzeros=85
192c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
193c4762a1bSJed Brown            not using I-node routines
194c4762a1bSJed Brown      linear system matrix = precond matrix:
195c4762a1bSJed Brown      Mat Object: (fieldsplit_Omega_) 3 MPI processes
196c4762a1bSJed Brown        type: mpiaij
197c4762a1bSJed Brown        rows=49, cols=49
198c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
199c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
200c4762a1bSJed Brown          not using I-node (on process 0) routines
201c4762a1bSJed Brown    Split number 3 Defined by IS
202c4762a1bSJed Brown    KSP Object: (fieldsplit_temperature_) 3 MPI processes
203c4762a1bSJed Brown      type: preonly
204c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
205c4762a1bSJed Brown      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
206c4762a1bSJed Brown      left preconditioning
207c4762a1bSJed Brown      using NONE norm type for convergence test
208c4762a1bSJed Brown    PC Object: (fieldsplit_temperature_) 3 MPI processes
209c4762a1bSJed Brown      type: bjacobi
210c4762a1bSJed Brown        number of blocks = 3
2118d76b567SPatrick Sanan        Local solver is the same for all blocks, as in the following KSP and PC objects on rank 0:
212c4762a1bSJed Brown      KSP Object: (fieldsplit_temperature_sub_) 1 MPI processes
213c4762a1bSJed Brown        type: preonly
214c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
215c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
216c4762a1bSJed Brown        left preconditioning
217c4762a1bSJed Brown        using NONE norm type for convergence test
218c4762a1bSJed Brown      PC Object: (fieldsplit_temperature_sub_) 1 MPI processes
219c4762a1bSJed Brown        type: ilu
220c4762a1bSJed Brown          out-of-place factorization
221c4762a1bSJed Brown          0 levels of fill
222c4762a1bSJed Brown          tolerance for zero pivot 2.22045e-14
223c4762a1bSJed Brown          matrix ordering: natural
224c4762a1bSJed Brown          factor fill ratio given 1., needed 1.
225c4762a1bSJed Brown            Factored matrix follows:
226c4762a1bSJed Brown              Mat Object: 1 MPI processes
227c4762a1bSJed Brown                type: seqaij
228c4762a1bSJed Brown                rows=21, cols=21
229c4762a1bSJed Brown                package used to perform factorization: petsc
230c4762a1bSJed Brown                total: nonzeros=85, allocated nonzeros=85
231c4762a1bSJed Brown                  not using I-node routines
232c4762a1bSJed Brown        linear system matrix = precond matrix:
233*793a3527SPierre Jolivet        Mat Object: (fieldsplit_temperature_sub_) 1 MPI processes
234c4762a1bSJed Brown          type: seqaij
235c4762a1bSJed Brown          rows=21, cols=21
236c4762a1bSJed Brown          total: nonzeros=85, allocated nonzeros=85
237c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
238c4762a1bSJed Brown            not using I-node routines
239c4762a1bSJed Brown      linear system matrix = precond matrix:
240c4762a1bSJed Brown      Mat Object: (fieldsplit_temperature_) 3 MPI processes
241c4762a1bSJed Brown        type: mpiaij
242c4762a1bSJed Brown        rows=49, cols=49
243c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
244c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
245c4762a1bSJed Brown          not using I-node (on process 0) routines
246c4762a1bSJed Brown    linear system matrix followed by preconditioner matrix:
247c4762a1bSJed Brown    Mat Object: 3 MPI processes
248c4762a1bSJed Brown      type: mffd
249c4762a1bSJed Brown      rows=196, cols=196
250c4762a1bSJed Brown        Matrix-free approximation:
251c4762a1bSJed Brown          err=1.49012e-08 (relative error in function evaluation)
252c4762a1bSJed Brown          Using wp compute h routine
253c4762a1bSJed Brown              Does not compute normU
254c4762a1bSJed Brown    Mat Object: 3 MPI processes
255c4762a1bSJed Brown      type: mpiaij
256c4762a1bSJed Brown      rows=196, cols=196, bs=4
257c4762a1bSJed Brown      total: nonzeros=3472, allocated nonzeros=3472
258c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
259c4762a1bSJed BrownNumber of SNES iterations = 2
260