xref: /petsc/src/snes/tutorials/output/ex19_tut_2.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 2.388589583549e+00
4c4762a1bSJed Brown    1 KSP Residual norm 5.715829806981e-01
5c4762a1bSJed Brown    2 KSP Residual norm 4.623679005936e-02
6c4762a1bSJed Brown    3 KSP Residual norm 1.143381177646e-02
7c4762a1bSJed Brown    4 KSP Residual norm 2.015139840224e-03
8c4762a1bSJed Brown    5 KSP Residual norm 4.356196119798e-04
9c4762a1bSJed Brown    6 KSP Residual norm 4.240953066710e-05
10c4762a1bSJed Brown    7 KSP Residual norm 8.848315297175e-06
11c4762a1bSJed Brown  1 SNES Function norm 9.854304971115e-06
12c4762a1bSJed Brown    0 KSP Residual norm 3.868049496775e-05
13c4762a1bSJed Brown    1 KSP Residual norm 7.693574326868e-06
14c4762a1bSJed Brown    2 KSP Residual norm 1.059429116239e-06
15c4762a1bSJed Brown    3 KSP Residual norm 4.004524784804e-07
16c4762a1bSJed Brown    4 KSP Residual norm 1.050186948327e-07
17c4762a1bSJed Brown    5 KSP Residual norm 5.073180513583e-08
18c4762a1bSJed Brown    6 KSP Residual norm 2.510513776297e-08
19c4762a1bSJed Brown    7 KSP Residual norm 1.211886495400e-08
20c4762a1bSJed Brown    8 KSP Residual norm 1.911963112131e-09
21c4762a1bSJed Brown    9 KSP Residual norm 3.005260864225e-10
22c4762a1bSJed Brown  2 SNES Function norm 3.117674497824e-10
23c4762a1bSJed Brown    0 KSP Residual norm 3.005042584730e-10
24c4762a1bSJed Brown    1 KSP Residual norm 1.120673922713e-10
25c4762a1bSJed Brown    2 KSP Residual norm 3.288439453292e-11
26c4762a1bSJed Brown    3 KSP Residual norm 5.822504321413e-12
27c4762a1bSJed Brown    4 KSP Residual norm 2.486684466178e-12
28c4762a1bSJed Brown    5 KSP Residual norm 1.198858055503e-12
29c4762a1bSJed Brown    6 KSP Residual norm 6.255669709502e-13
30c4762a1bSJed Brown    7 KSP Residual norm 1.544647758005e-13
31c4762a1bSJed Brown    8 KSP Residual norm 4.592122224907e-14
32c4762a1bSJed Brown    9 KSP Residual norm 4.984149547392e-15
33c4762a1bSJed Brown   10 KSP Residual norm 8.905129652955e-16
34c4762a1bSJed Brown  3 SNES Function norm 1.045594761851e-14
35c4762a1bSJed BrownSNES Object: 4 MPI processes
36c4762a1bSJed Brown  type: newtonls
37c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
38c4762a1bSJed Brown  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
39c4762a1bSJed Brown  total number of linear solver iterations=26
40c4762a1bSJed Brown  total number of function evaluations=4
41c4762a1bSJed Brown  norm schedule ALWAYS
42c4762a1bSJed Brown  Jacobian is built using colored finite differences on a DMDA
43c4762a1bSJed Brown  SNESLineSearch Object: 4 MPI processes
44c4762a1bSJed Brown    type: bt
45c4762a1bSJed Brown      interpolation: cubic
46c4762a1bSJed Brown      alpha=1.000000e-04
47c4762a1bSJed Brown    maxstep=1.000000e+08, minlambda=1.000000e-12
48c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
49c4762a1bSJed Brown    maximum iterations=40
50c4762a1bSJed Brown  KSP Object: 4 MPI processes
51c4762a1bSJed Brown    type: gmres
52c4762a1bSJed Brown      restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
53c4762a1bSJed Brown      happy breakdown tolerance 1e-30
54c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
55c4762a1bSJed Brown    tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
56c4762a1bSJed Brown    left preconditioning
57c4762a1bSJed Brown    using PRECONDITIONED norm type for convergence test
58c4762a1bSJed Brown  PC Object: 4 MPI processes
59c4762a1bSJed Brown    type: mg
60c4762a1bSJed Brown      type is MULTIPLICATIVE, levels=6 cycles=v
61c4762a1bSJed Brown        Cycles per PCApply=1
62c4762a1bSJed Brown        Not using Galerkin computed coarse grid matrices
6363a3b9bcSJacob Faibussowitsch    Coarse grid solver -- level 0 -------------------------------
64c4762a1bSJed Brown      KSP Object: (mg_coarse_) 4 MPI processes
65c4762a1bSJed Brown        type: preonly
66c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
67c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
68c4762a1bSJed Brown        left preconditioning
69c4762a1bSJed Brown        using NONE norm type for convergence test
70c4762a1bSJed Brown      PC Object: (mg_coarse_) 4 MPI processes
71c4762a1bSJed Brown        type: redundant
72c4762a1bSJed Brown          First (color=0) of 4 PCs follows
738cc725e6SPierre Jolivet          KSP Object: (mg_coarse_redundant_) 1 MPI process
74c4762a1bSJed Brown            type: preonly
75c4762a1bSJed Brown            maximum iterations=10000, initial guess is zero
76c4762a1bSJed Brown            tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
77c4762a1bSJed Brown            left preconditioning
78c4762a1bSJed Brown            using NONE norm type for convergence test
798cc725e6SPierre Jolivet          PC Object: (mg_coarse_redundant_) 1 MPI process
80c4762a1bSJed Brown            type: lu
81c4762a1bSJed Brown              out-of-place factorization
82c4762a1bSJed Brown              tolerance for zero pivot 2.22045e-14
83c4762a1bSJed Brown              using diagonal shift on blocks to prevent zero pivot [INBLOCKS]
84c4762a1bSJed Brown              matrix ordering: nd
85c4762a1bSJed Brown              factor fill ratio given 5., needed 1.875
86c4762a1bSJed Brown                Factored matrix follows:
87*26cc229bSBarry Smith                  Mat Object: (mg_coarse_redundant_) 1 MPI process
88c4762a1bSJed Brown                    type: seqaij
89c4762a1bSJed Brown                    rows=64, cols=64, bs=4
90c4762a1bSJed Brown                    package used to perform factorization: petsc
91c4762a1bSJed Brown                    total: nonzeros=1920, allocated nonzeros=1920
92c4762a1bSJed Brown                      using I-node routines: found 16 nodes, limit used is 5
93c4762a1bSJed Brown            linear system matrix = precond matrix:
94*26cc229bSBarry Smith            Mat Object: 1 MPI process
95c4762a1bSJed Brown              type: seqaij
96c4762a1bSJed Brown              rows=64, cols=64, bs=4
97c4762a1bSJed Brown              total: nonzeros=1024, allocated nonzeros=1024
98c4762a1bSJed Brown              total number of mallocs used during MatSetValues calls=0
99c4762a1bSJed Brown                using I-node routines: found 16 nodes, limit used is 5
100c4762a1bSJed Brown        linear system matrix = precond matrix:
101c4762a1bSJed Brown        Mat Object: 4 MPI processes
102c4762a1bSJed Brown          type: mpiaij
103c4762a1bSJed Brown          rows=64, cols=64, bs=4
104c4762a1bSJed Brown          total: nonzeros=1024, allocated nonzeros=1024
105c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
106c4762a1bSJed Brown    Down solver (pre-smoother) on level 1 -------------------------------
107c4762a1bSJed Brown      KSP Object: (mg_levels_1_) 4 MPI processes
108c4762a1bSJed Brown        type: chebyshev
10973f7197eSJed Brown          eigenvalue targets used: min 0.148269, max 1.63095
11073f7197eSJed Brown          eigenvalues estimated via gmres: min 0.144902, max 1.48269
11173f7197eSJed Brown          eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1]
112c4762a1bSJed Brown          KSP Object: (mg_levels_1_esteig_) 4 MPI processes
113c4762a1bSJed Brown            type: gmres
114c4762a1bSJed Brown              restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
115c4762a1bSJed Brown              happy breakdown tolerance 1e-30
116c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
117c4762a1bSJed Brown            tolerances:  relative=1e-12, absolute=1e-50, divergence=10000.
118c4762a1bSJed Brown            left preconditioning
119c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
120c4762a1bSJed Brown          estimating eigenvalues using noisy right hand side
121c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
122c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
123c4762a1bSJed Brown        left preconditioning
124c4762a1bSJed Brown        using NONE norm type for convergence test
125c4762a1bSJed Brown      PC Object: (mg_levels_1_) 4 MPI processes
126c4762a1bSJed Brown        type: sor
127c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
128c4762a1bSJed Brown        linear system matrix = precond matrix:
129c4762a1bSJed Brown        Mat Object: 4 MPI processes
130c4762a1bSJed Brown          type: mpiaij
131c4762a1bSJed Brown          rows=196, cols=196, bs=4
132c4762a1bSJed Brown          total: nonzeros=3472, allocated nonzeros=3472
133c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
134c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
135c4762a1bSJed Brown    Down solver (pre-smoother) on level 2 -------------------------------
136c4762a1bSJed Brown      KSP Object: (mg_levels_2_) 4 MPI processes
137c4762a1bSJed Brown        type: chebyshev
13873f7197eSJed Brown          eigenvalue targets used: min 0.149178, max 1.64096
13973f7197eSJed Brown          eigenvalues estimated via gmres: min 0.0843938, max 1.49178
14073f7197eSJed Brown          eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1]
141c4762a1bSJed Brown          KSP Object: (mg_levels_2_esteig_) 4 MPI processes
142c4762a1bSJed Brown            type: gmres
143c4762a1bSJed Brown              restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
144c4762a1bSJed Brown              happy breakdown tolerance 1e-30
145c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
146c4762a1bSJed Brown            tolerances:  relative=1e-12, absolute=1e-50, divergence=10000.
147c4762a1bSJed Brown            left preconditioning
148c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
149c4762a1bSJed Brown          estimating eigenvalues using noisy right hand side
150c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
151c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
152c4762a1bSJed Brown        left preconditioning
153c4762a1bSJed Brown        using NONE norm type for convergence test
154c4762a1bSJed Brown      PC Object: (mg_levels_2_) 4 MPI processes
155c4762a1bSJed Brown        type: sor
156c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
157c4762a1bSJed Brown        linear system matrix = precond matrix:
158c4762a1bSJed Brown        Mat Object: 4 MPI processes
159c4762a1bSJed Brown          type: mpiaij
160c4762a1bSJed Brown          rows=676, cols=676, bs=4
161c4762a1bSJed Brown          total: nonzeros=12688, allocated nonzeros=12688
162c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
163c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
164c4762a1bSJed Brown    Down solver (pre-smoother) on level 3 -------------------------------
165c4762a1bSJed Brown      KSP Object: (mg_levels_3_) 4 MPI processes
166c4762a1bSJed Brown        type: chebyshev
16773f7197eSJed Brown          eigenvalue targets used: min 0.146454, max 1.61099
16873f7197eSJed Brown          eigenvalues estimated via gmres: min 0.0659153, max 1.46454
16973f7197eSJed Brown          eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1]
170c4762a1bSJed Brown          KSP Object: (mg_levels_3_esteig_) 4 MPI processes
171c4762a1bSJed Brown            type: gmres
172c4762a1bSJed Brown              restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
173c4762a1bSJed Brown              happy breakdown tolerance 1e-30
174c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
175c4762a1bSJed Brown            tolerances:  relative=1e-12, absolute=1e-50, divergence=10000.
176c4762a1bSJed Brown            left preconditioning
177c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
178c4762a1bSJed Brown          estimating eigenvalues using noisy right hand side
179c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
180c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
181c4762a1bSJed Brown        left preconditioning
182c4762a1bSJed Brown        using NONE norm type for convergence test
183c4762a1bSJed Brown      PC Object: (mg_levels_3_) 4 MPI processes
184c4762a1bSJed Brown        type: sor
185c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
186c4762a1bSJed Brown        linear system matrix = precond matrix:
187c4762a1bSJed Brown        Mat Object: 4 MPI processes
188c4762a1bSJed Brown          type: mpiaij
189c4762a1bSJed Brown          rows=2500, cols=2500, bs=4
190c4762a1bSJed Brown          total: nonzeros=48400, allocated nonzeros=48400
191c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
192c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
193c4762a1bSJed Brown    Down solver (pre-smoother) on level 4 -------------------------------
194c4762a1bSJed Brown      KSP Object: (mg_levels_4_) 4 MPI processes
195c4762a1bSJed Brown        type: chebyshev
19673f7197eSJed Brown          eigenvalue targets used: min 0.141089, max 1.55197
19773f7197eSJed Brown          eigenvalues estimated via gmres: min 0.044097, max 1.41089
19873f7197eSJed Brown          eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1]
199c4762a1bSJed Brown          KSP Object: (mg_levels_4_esteig_) 4 MPI processes
200c4762a1bSJed Brown            type: gmres
201c4762a1bSJed Brown              restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
202c4762a1bSJed Brown              happy breakdown tolerance 1e-30
203c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
204c4762a1bSJed Brown            tolerances:  relative=1e-12, absolute=1e-50, divergence=10000.
205c4762a1bSJed Brown            left preconditioning
206c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
207c4762a1bSJed Brown          estimating eigenvalues using noisy right hand side
208c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
209c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
210c4762a1bSJed Brown        left preconditioning
211c4762a1bSJed Brown        using NONE norm type for convergence test
212c4762a1bSJed Brown      PC Object: (mg_levels_4_) 4 MPI processes
213c4762a1bSJed Brown        type: sor
214c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
215c4762a1bSJed Brown        linear system matrix = precond matrix:
216c4762a1bSJed Brown        Mat Object: 4 MPI processes
217c4762a1bSJed Brown          type: mpiaij
218c4762a1bSJed Brown          rows=9604, cols=9604, bs=4
219c4762a1bSJed Brown          total: nonzeros=188944, allocated nonzeros=188944
220c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
221c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
222c4762a1bSJed Brown    Down solver (pre-smoother) on level 5 -------------------------------
223c4762a1bSJed Brown      KSP Object: (mg_levels_5_) 4 MPI processes
224c4762a1bSJed Brown        type: chebyshev
22573f7197eSJed Brown          eigenvalue targets used: min 0.127956, max 1.40751
22673f7197eSJed Brown          eigenvalues estimated via gmres: min 0.0380398, max 1.27956
22773f7197eSJed Brown          eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1]
228c4762a1bSJed Brown          KSP Object: (mg_levels_5_esteig_) 4 MPI processes
229c4762a1bSJed Brown            type: gmres
230c4762a1bSJed Brown              restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
231c4762a1bSJed Brown              happy breakdown tolerance 1e-30
232c4762a1bSJed Brown            maximum iterations=10, initial guess is zero
233c4762a1bSJed Brown            tolerances:  relative=1e-12, absolute=1e-50, divergence=10000.
234c4762a1bSJed Brown            left preconditioning
235c4762a1bSJed Brown            using PRECONDITIONED norm type for convergence test
236c4762a1bSJed Brown          estimating eigenvalues using noisy right hand side
237c4762a1bSJed Brown        maximum iterations=2, nonzero initial guess
238c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
239c4762a1bSJed Brown        left preconditioning
240c4762a1bSJed Brown        using NONE norm type for convergence test
241c4762a1bSJed Brown      PC Object: (mg_levels_5_) 4 MPI processes
242c4762a1bSJed Brown        type: sor
243c4762a1bSJed Brown          type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
244c4762a1bSJed Brown        linear system matrix = precond matrix:
245c4762a1bSJed Brown        Mat Object: 4 MPI processes
246c4762a1bSJed Brown          type: mpiaij
247c4762a1bSJed Brown          rows=37636, cols=37636, bs=4
248c4762a1bSJed Brown          total: nonzeros=746512, allocated nonzeros=746512
249c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
250c4762a1bSJed Brown    Up solver (post-smoother) same as down solver (pre-smoother)
251c4762a1bSJed Brown    linear system matrix = precond matrix:
252c4762a1bSJed Brown    Mat Object: 4 MPI processes
253c4762a1bSJed Brown      type: mpiaij
254c4762a1bSJed Brown      rows=37636, cols=37636, bs=4
255c4762a1bSJed Brown      total: nonzeros=746512, allocated nonzeros=746512
256c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
257c4762a1bSJed BrownNumber of SNES iterations = 3
258