xref: /petsc/src/snes/tutorials/output/ex19_tut_8.out (revision 26cc229b24afffee8e9a203ddc8754b40d660fc7)
1c4762a1bSJed Brownlid velocity = 0.000106281, prandtl # = 1., grashof # = 1.
2c4762a1bSJed Brown  0 SNES Function norm 1.036007954337e-02
3c4762a1bSJed Brown    0 KSP Residual norm 4.386611885521e-01
4c4762a1bSJed Brown    1 KSP Residual norm 3.127838547648e-01
5c4762a1bSJed Brown    2 KSP Residual norm 2.334238799976e-01
6c4762a1bSJed Brown    3 KSP Residual norm 1.318350769046e-01
7c4762a1bSJed Brown    4 KSP Residual norm 8.143004995277e-02
8c4762a1bSJed Brown    5 KSP Residual norm 4.813457707703e-02
9c4762a1bSJed Brown    6 KSP Residual norm 2.733719484710e-02
10c4762a1bSJed Brown    7 KSP Residual norm 1.462151166610e-02
11c4762a1bSJed Brown    8 KSP Residual norm 8.331275159714e-03
12c4762a1bSJed Brown    9 KSP Residual norm 5.275884606772e-03
13c4762a1bSJed Brown   10 KSP Residual norm 3.768690746652e-03
14c4762a1bSJed Brown   11 KSP Residual norm 2.699365250849e-03
15c4762a1bSJed Brown   12 KSP Residual norm 1.824681696989e-03
16c4762a1bSJed Brown   13 KSP Residual norm 1.179126381375e-03
17c4762a1bSJed Brown   14 KSP Residual norm 7.107306905422e-04
18c4762a1bSJed Brown   15 KSP Residual norm 4.155820345074e-04
19c4762a1bSJed Brown   16 KSP Residual norm 2.408438645714e-04
20c4762a1bSJed Brown   17 KSP Residual norm 1.476855736514e-04
21c4762a1bSJed Brown   18 KSP Residual norm 9.907578845784e-05
22c4762a1bSJed Brown   19 KSP Residual norm 6.797328938557e-05
23c4762a1bSJed Brown   20 KSP Residual norm 4.675944545290e-05
24c4762a1bSJed Brown   21 KSP Residual norm 3.352583819988e-05
25c4762a1bSJed Brown   22 KSP Residual norm 2.441653843583e-05
26c4762a1bSJed Brown   23 KSP Residual norm 1.768579774951e-05
27c4762a1bSJed Brown   24 KSP Residual norm 1.411236998154e-05
28c4762a1bSJed Brown   25 KSP Residual norm 1.062751951795e-05
29c4762a1bSJed Brown   26 KSP Residual norm 7.402652132828e-06
30c4762a1bSJed Brown   27 KSP Residual norm 5.376101942565e-06
31c4762a1bSJed Brown   28 KSP Residual norm 3.936750059583e-06
32c4762a1bSJed Brown  1 SNES Function norm 1.539897001872e-06
33c4762a1bSJed Brown    0 KSP Residual norm 1.219799734452e-05
34c4762a1bSJed Brown    1 KSP Residual norm 9.351061917402e-06
35c4762a1bSJed Brown    2 KSP Residual norm 5.158749230924e-06
36c4762a1bSJed Brown    3 KSP Residual norm 3.800583255559e-06
37c4762a1bSJed Brown    4 KSP Residual norm 3.358178466662e-06
38c4762a1bSJed Brown    5 KSP Residual norm 2.704711328549e-06
39c4762a1bSJed Brown    6 KSP Residual norm 1.965512422061e-06
40c4762a1bSJed Brown    7 KSP Residual norm 1.383231224585e-06
41c4762a1bSJed Brown    8 KSP Residual norm 1.016838426400e-06
42c4762a1bSJed Brown    9 KSP Residual norm 7.817076853999e-07
43c4762a1bSJed Brown   10 KSP Residual norm 5.714787985538e-07
44c4762a1bSJed Brown   11 KSP Residual norm 4.070517298179e-07
45c4762a1bSJed Brown   12 KSP Residual norm 3.199366855723e-07
46c4762a1bSJed Brown   13 KSP Residual norm 2.498338700906e-07
47c4762a1bSJed Brown   14 KSP Residual norm 1.774654138694e-07
48c4762a1bSJed Brown   15 KSP Residual norm 1.220894443119e-07
49c4762a1bSJed Brown   16 KSP Residual norm 8.191467113032e-08
50c4762a1bSJed Brown   17 KSP Residual norm 5.471425416521e-08
51c4762a1bSJed Brown   18 KSP Residual norm 3.800399846106e-08
52c4762a1bSJed Brown   19 KSP Residual norm 2.624332673801e-08
53c4762a1bSJed Brown   20 KSP Residual norm 1.817665454829e-08
54c4762a1bSJed Brown   21 KSP Residual norm 1.193934944948e-08
55c4762a1bSJed Brown   22 KSP Residual norm 7.058845517318e-09
56c4762a1bSJed Brown   23 KSP Residual norm 4.801132366324e-09
57c4762a1bSJed Brown   24 KSP Residual norm 3.136888134931e-09
58c4762a1bSJed Brown   25 KSP Residual norm 1.908878704398e-09
59c4762a1bSJed Brown   26 KSP Residual norm 1.179297203589e-09
60c4762a1bSJed Brown   27 KSP Residual norm 7.450436712605e-10
61c4762a1bSJed Brown   28 KSP Residual norm 4.727201847673e-10
62c4762a1bSJed Brown   29 KSP Residual norm 3.071103410289e-10
63c4762a1bSJed Brown   30 KSP Residual norm 1.954558918512e-10
64c4762a1bSJed Brown   31 KSP Residual norm 1.476035656576e-10
65c4762a1bSJed Brown   32 KSP Residual norm 9.544641423593e-11
66c4762a1bSJed Brown  2 SNES Function norm 2.155536219955e-11
67c4762a1bSJed BrownSNES Object: 4 MPI processes
68c4762a1bSJed Brown  type: newtonls
69c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
70c4762a1bSJed Brown  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
71c4762a1bSJed Brown  total number of linear solver iterations=60
72c4762a1bSJed Brown  total number of function evaluations=3
73c4762a1bSJed Brown  norm schedule ALWAYS
74c4762a1bSJed Brown  Jacobian is built using colored finite differences on a DMDA
75c4762a1bSJed Brown  SNESLineSearch Object: 4 MPI processes
76c4762a1bSJed Brown    type: bt
77c4762a1bSJed Brown      interpolation: cubic
78c4762a1bSJed Brown      alpha=1.000000e-04
79c4762a1bSJed Brown    maxstep=1.000000e+08, minlambda=1.000000e-12
80c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
81c4762a1bSJed Brown    maximum iterations=40
82c4762a1bSJed Brown  KSP Object: 4 MPI processes
83c4762a1bSJed Brown    type: gmres
84c4762a1bSJed Brown      restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
85c4762a1bSJed Brown      happy breakdown tolerance 1e-30
86c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
87c4762a1bSJed Brown    tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
88c4762a1bSJed Brown    left preconditioning
89c4762a1bSJed Brown    using PRECONDITIONED norm type for convergence test
90c4762a1bSJed Brown  PC Object: 4 MPI processes
91c4762a1bSJed Brown    type: ml
92c4762a1bSJed Brown      type is MULTIPLICATIVE, levels=5 cycles=v
93c4762a1bSJed Brown        Cycles per PCApply=1
94c4762a1bSJed Brown        Using externally compute Galerkin coarse grid matrices
9563a3b9bcSJacob Faibussowitsch    Coarse grid solver -- level 0 -------------------------------
96c4762a1bSJed Brown      KSP Object: (mg_coarse_) 4 MPI processes
97c4762a1bSJed Brown        type: preonly
98c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
99c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
100c4762a1bSJed Brown        left preconditioning
101c4762a1bSJed Brown        using NONE norm type for convergence test
102c4762a1bSJed Brown      PC Object: (mg_coarse_) 4 MPI processes
103c4762a1bSJed Brown        type: redundant
104c4762a1bSJed Brown          First (color=0) of 4 PCs follows
1058cc725e6SPierre Jolivet          KSP Object: (mg_coarse_redundant_) 1 MPI process
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
110c4762a1bSJed Brown            using NONE norm type for convergence test
1118cc725e6SPierre Jolivet          PC Object: (mg_coarse_redundant_) 1 MPI process
112c4762a1bSJed Brown            type: lu
113c4762a1bSJed Brown              out-of-place factorization
114c4762a1bSJed Brown              tolerance for zero pivot 2.22045e-14
115c4762a1bSJed Brown              using diagonal shift on blocks to prevent zero pivot [INBLOCKS]
116c4762a1bSJed Brown              matrix ordering: nd
117c4762a1bSJed Brown              factor fill ratio given 5., needed 1.
118c4762a1bSJed Brown                Factored matrix follows:
119*26cc229bSBarry Smith                  Mat Object: (mg_coarse_redundant_) 1 MPI process
120c4762a1bSJed Brown                    type: seqaij
121c4762a1bSJed Brown                    rows=16, cols=16, bs=4
122c4762a1bSJed Brown                    package used to perform factorization: petsc
123c4762a1bSJed Brown                    total: nonzeros=256, allocated nonzeros=256
124c4762a1bSJed Brown                      using I-node routines: found 4 nodes, limit used is 5
125c4762a1bSJed Brown            linear system matrix = precond matrix:
126*26cc229bSBarry Smith            Mat Object: 1 MPI process
127c4762a1bSJed Brown              type: seqaij
128c4762a1bSJed Brown              rows=16, cols=16, bs=4
129c4762a1bSJed Brown              total: nonzeros=256, allocated nonzeros=256
130c4762a1bSJed Brown              total number of mallocs used during MatSetValues calls=0
131c4762a1bSJed Brown                using I-node routines: found 4 nodes, limit used is 5
132c4762a1bSJed Brown        linear system matrix = precond matrix:
133c4762a1bSJed Brown        Mat Object: 4 MPI processes
134c4762a1bSJed Brown          type: mpiaij
135c4762a1bSJed Brown          rows=16, cols=16, bs=4
136c4762a1bSJed Brown          total: nonzeros=256, allocated nonzeros=256
137c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
138c4762a1bSJed Brown            using I-node (on process 0) routines: found 1 nodes, limit used is 5
139c4762a1bSJed Brown    Down solver (pre-smoother) on level 1 -------------------------------
140c4762a1bSJed Brown      KSP Object: (mg_levels_1_) 4 MPI processes
141c4762a1bSJed Brown        type: richardson
142c4762a1bSJed Brown          damping factor=1.
143c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
144c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
145c4762a1bSJed Brown        left preconditioning
146c4762a1bSJed Brown        using NONE norm type for convergence test
147c4762a1bSJed Brown      PC Object: (mg_levels_1_) 4 MPI processes
148c4762a1bSJed Brown        type: sor
149c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
150c4762a1bSJed Brown        linear system matrix = precond matrix:
151c4762a1bSJed Brown        Mat Object: 4 MPI processes
152c4762a1bSJed Brown          type: mpiaij
153c4762a1bSJed Brown          rows=88, cols=88, bs=4
154c4762a1bSJed Brown          total: nonzeros=4896, allocated nonzeros=4896
155c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
156c4762a1bSJed Brown            using I-node (on process 0) routines: found 5 nodes, limit used is 5
157c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
158c4762a1bSJed Brown    Down solver (pre-smoother) on level 2 -------------------------------
159c4762a1bSJed Brown      KSP Object: (mg_levels_2_) 4 MPI processes
160c4762a1bSJed Brown        type: richardson
161c4762a1bSJed Brown          damping factor=1.
162c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
163c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
164c4762a1bSJed Brown        left preconditioning
165c4762a1bSJed Brown        using NONE norm type for convergence test
166c4762a1bSJed Brown      PC Object: (mg_levels_2_) 4 MPI processes
167c4762a1bSJed Brown        type: sor
168c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
169c4762a1bSJed Brown        linear system matrix = precond matrix:
170c4762a1bSJed Brown        Mat Object: 4 MPI processes
171c4762a1bSJed Brown          type: mpiaij
172c4762a1bSJed Brown          rows=772, cols=772, bs=4
173c4762a1bSJed Brown          total: nonzeros=35364, allocated nonzeros=35364
174c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
175c4762a1bSJed Brown            using I-node (on process 0) routines: found 56 nodes, limit used is 5
176c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
177c4762a1bSJed Brown    Down solver (pre-smoother) on level 3 -------------------------------
178c4762a1bSJed Brown      KSP Object: (mg_levels_3_) 4 MPI processes
179c4762a1bSJed Brown        type: richardson
180c4762a1bSJed Brown          damping factor=1.
181c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
182c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
183c4762a1bSJed Brown        left preconditioning
184c4762a1bSJed Brown        using NONE norm type for convergence test
185c4762a1bSJed Brown      PC Object: (mg_levels_3_) 4 MPI processes
186c4762a1bSJed Brown        type: sor
187c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
188c4762a1bSJed Brown        linear system matrix = precond matrix:
189c4762a1bSJed Brown        Mat Object: 4 MPI processes
190c4762a1bSJed Brown          type: mpiaij
191c4762a1bSJed Brown          rows=7156, cols=7156, bs=4
192c4762a1bSJed Brown          total: nonzeros=258241, allocated nonzeros=258241
193c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
194c4762a1bSJed Brown            not using I-node (on process 0) routines
195c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
196c4762a1bSJed Brown    Down solver (pre-smoother) on level 4 -------------------------------
197c4762a1bSJed Brown      KSP Object: (mg_levels_4_) 4 MPI processes
198c4762a1bSJed Brown        type: richardson
199c4762a1bSJed Brown          damping factor=1.
200c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
201c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
202c4762a1bSJed Brown        left preconditioning
203c4762a1bSJed Brown        using NONE norm type for convergence test
204c4762a1bSJed Brown      PC Object: (mg_levels_4_) 4 MPI processes
205c4762a1bSJed Brown        type: sor
206c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
207c4762a1bSJed Brown        linear system matrix = precond matrix:
208c4762a1bSJed Brown        Mat Object: 4 MPI processes
209c4762a1bSJed Brown          type: mpiaij
210c4762a1bSJed Brown          rows=37636, cols=37636, bs=4
211c4762a1bSJed Brown          total: nonzeros=746512, allocated nonzeros=746512
212c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
213c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
214c4762a1bSJed Brown    linear system matrix = precond matrix:
215c4762a1bSJed Brown    Mat Object: 4 MPI processes
216c4762a1bSJed Brown      type: mpiaij
217c4762a1bSJed Brown      rows=37636, cols=37636, bs=4
218c4762a1bSJed Brown      total: nonzeros=746512, allocated nonzeros=746512
219c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
220c4762a1bSJed BrownNumber of SNES iterations = 2
221