xref: /petsc/src/snes/tutorials/output/ex19_9.out (revision c4762a1b19cd2af06abeed90e8f9d34fb975dd94)
1*c4762a1bSJed Brownlid velocity = 0.0204082, prandtl # = 1., grashof # = 1.
2*c4762a1bSJed Brown  0 SNES Function norm 0.146194
3*c4762a1bSJed Brown    0 KSP Residual norm 0.146194
4*c4762a1bSJed Brown    1 KSP Residual norm 0.0781702
5*c4762a1bSJed Brown    2 KSP Residual norm 0.0289896
6*c4762a1bSJed Brown    3 KSP Residual norm 0.00874626
7*c4762a1bSJed Brown    4 KSP Residual norm 0.00360523
8*c4762a1bSJed Brown    5 KSP Residual norm 0.00187927
9*c4762a1bSJed Brown    6 KSP Residual norm 0.000997932
10*c4762a1bSJed Brown    7 KSP Residual norm 0.000325884
11*c4762a1bSJed Brown    8 KSP Residual norm 0.000122254
12*c4762a1bSJed Brown    9 KSP Residual norm 6.21287e-05
13*c4762a1bSJed Brown   10 KSP Residual norm 4.04759e-05
14*c4762a1bSJed Brown   11 KSP Residual norm 2.1448e-05
15*c4762a1bSJed Brown   12 KSP Residual norm 9.92327e-06
16*c4762a1bSJed Brown   13 KSP Residual norm 4.95927e-06
17*c4762a1bSJed Brown   14 KSP Residual norm 2.41652e-06
18*c4762a1bSJed Brown   15 KSP Residual norm 1.39592e-06
19*c4762a1bSJed Brown  1 SNES Function norm 2.5489e-05
20*c4762a1bSJed Brown    0 KSP Residual norm 2.5489e-05
21*c4762a1bSJed Brown    1 KSP Residual norm 1.07362e-05
22*c4762a1bSJed Brown    2 KSP Residual norm 3.78935e-06
23*c4762a1bSJed Brown    3 KSP Residual norm 1.4375e-06
24*c4762a1bSJed Brown    4 KSP Residual norm 6.54918e-07
25*c4762a1bSJed Brown    5 KSP Residual norm 5.12181e-07
26*c4762a1bSJed Brown    6 KSP Residual norm 3.42535e-07
27*c4762a1bSJed Brown    7 KSP Residual norm 1.4512e-07
28*c4762a1bSJed Brown    8 KSP Residual norm 7.40798e-08
29*c4762a1bSJed Brown    9 KSP Residual norm 3.79586e-08
30*c4762a1bSJed Brown   10 KSP Residual norm 1.50282e-08
31*c4762a1bSJed Brown   11 KSP Residual norm 5.03323e-09
32*c4762a1bSJed Brown   12 KSP Residual norm 2.41714e-09
33*c4762a1bSJed Brown   13 KSP Residual norm 1.38638e-09
34*c4762a1bSJed Brown   14 KSP Residual norm 7.047e-10
35*c4762a1bSJed Brown   15 KSP Residual norm 3.897e-10
36*c4762a1bSJed Brown   16 KSP Residual norm 2.021e-10
37*c4762a1bSJed Brown  2 SNES Function norm 2.021e-10
38*c4762a1bSJed BrownSNES Object: 3 MPI processes
39*c4762a1bSJed Brown  type: newtonls
40*c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
41*c4762a1bSJed Brown  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
42*c4762a1bSJed Brown  total number of linear solver iterations=31
43*c4762a1bSJed Brown  total number of function evaluations=3
44*c4762a1bSJed Brown  norm schedule ALWAYS
45*c4762a1bSJed Brown  Jacobian is built using colored finite differences on a DMDA
46*c4762a1bSJed Brown  SNESLineSearch Object: 3 MPI processes
47*c4762a1bSJed Brown    type: bt
48*c4762a1bSJed Brown      interpolation: cubic
49*c4762a1bSJed Brown      alpha=1.000000e-04
50*c4762a1bSJed Brown    maxstep=1.000000e+08, minlambda=1.000000e-12
51*c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
52*c4762a1bSJed Brown    maximum iterations=40
53*c4762a1bSJed Brown  KSP Object: 3 MPI processes
54*c4762a1bSJed Brown    type: fgmres
55*c4762a1bSJed Brown      restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
56*c4762a1bSJed Brown      happy breakdown tolerance 1e-30
57*c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
58*c4762a1bSJed Brown    tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
59*c4762a1bSJed Brown    right preconditioning
60*c4762a1bSJed Brown    using UNPRECONDITIONED norm type for convergence test
61*c4762a1bSJed Brown  PC Object: 3 MPI processes
62*c4762a1bSJed Brown    type: fieldsplit
63*c4762a1bSJed Brown      FieldSplit with MULTIPLICATIVE composition: total splits = 4
64*c4762a1bSJed Brown      Solver info for each split is in the following KSP objects:
65*c4762a1bSJed Brown    Split number 0 Defined by IS
66*c4762a1bSJed Brown    KSP Object: (fieldsplit_x_velocity_) 3 MPI processes
67*c4762a1bSJed Brown      type: preonly
68*c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
69*c4762a1bSJed Brown      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
70*c4762a1bSJed Brown      left preconditioning
71*c4762a1bSJed Brown      using NONE norm type for convergence test
72*c4762a1bSJed Brown    PC Object: (fieldsplit_x_velocity_) 3 MPI processes
73*c4762a1bSJed Brown      type: bjacobi
74*c4762a1bSJed Brown        number of blocks = 3
75*c4762a1bSJed Brown        Local solve is same for all blocks, in the following KSP and PC objects:
76*c4762a1bSJed Brown      KSP Object: (fieldsplit_x_velocity_sub_) 1 MPI processes
77*c4762a1bSJed Brown        type: preonly
78*c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
79*c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
80*c4762a1bSJed Brown        left preconditioning
81*c4762a1bSJed Brown        using NONE norm type for convergence test
82*c4762a1bSJed Brown      PC Object: (fieldsplit_x_velocity_sub_) 1 MPI processes
83*c4762a1bSJed Brown        type: ilu
84*c4762a1bSJed Brown          out-of-place factorization
85*c4762a1bSJed Brown          0 levels of fill
86*c4762a1bSJed Brown          tolerance for zero pivot 2.22045e-14
87*c4762a1bSJed Brown          matrix ordering: natural
88*c4762a1bSJed Brown          factor fill ratio given 1., needed 1.
89*c4762a1bSJed Brown            Factored matrix follows:
90*c4762a1bSJed Brown              Mat Object: 1 MPI processes
91*c4762a1bSJed Brown                type: seqaij
92*c4762a1bSJed Brown                rows=21, cols=21
93*c4762a1bSJed Brown                package used to perform factorization: petsc
94*c4762a1bSJed Brown                total: nonzeros=85, allocated nonzeros=85
95*c4762a1bSJed Brown                total number of mallocs used during MatSetValues calls=0
96*c4762a1bSJed Brown                  not using I-node routines
97*c4762a1bSJed Brown        linear system matrix = precond matrix:
98*c4762a1bSJed Brown        Mat Object: (fieldsplit_x_velocity_) 1 MPI processes
99*c4762a1bSJed Brown          type: seqaij
100*c4762a1bSJed Brown          rows=21, cols=21
101*c4762a1bSJed Brown          total: nonzeros=85, allocated nonzeros=85
102*c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
103*c4762a1bSJed Brown            not using I-node routines
104*c4762a1bSJed Brown      linear system matrix = precond matrix:
105*c4762a1bSJed Brown      Mat Object: (fieldsplit_x_velocity_) 3 MPI processes
106*c4762a1bSJed Brown        type: mpiaij
107*c4762a1bSJed Brown        rows=49, cols=49
108*c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
109*c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
110*c4762a1bSJed Brown          not using I-node (on process 0) routines
111*c4762a1bSJed Brown    Split number 1 Defined by IS
112*c4762a1bSJed Brown    KSP Object: (fieldsplit_y_velocity_) 3 MPI processes
113*c4762a1bSJed Brown      type: preonly
114*c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
115*c4762a1bSJed Brown      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
116*c4762a1bSJed Brown      left preconditioning
117*c4762a1bSJed Brown      using NONE norm type for convergence test
118*c4762a1bSJed Brown    PC Object: (fieldsplit_y_velocity_) 3 MPI processes
119*c4762a1bSJed Brown      type: bjacobi
120*c4762a1bSJed Brown        number of blocks = 3
121*c4762a1bSJed Brown        Local solve is same for all blocks, in the following KSP and PC objects:
122*c4762a1bSJed Brown      KSP Object: (fieldsplit_y_velocity_sub_) 1 MPI processes
123*c4762a1bSJed Brown        type: preonly
124*c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
125*c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
126*c4762a1bSJed Brown        left preconditioning
127*c4762a1bSJed Brown        using NONE norm type for convergence test
128*c4762a1bSJed Brown      PC Object: (fieldsplit_y_velocity_sub_) 1 MPI processes
129*c4762a1bSJed Brown        type: ilu
130*c4762a1bSJed Brown          out-of-place factorization
131*c4762a1bSJed Brown          0 levels of fill
132*c4762a1bSJed Brown          tolerance for zero pivot 2.22045e-14
133*c4762a1bSJed Brown          matrix ordering: natural
134*c4762a1bSJed Brown          factor fill ratio given 1., needed 1.
135*c4762a1bSJed Brown            Factored matrix follows:
136*c4762a1bSJed Brown              Mat Object: 1 MPI processes
137*c4762a1bSJed Brown                type: seqaij
138*c4762a1bSJed Brown                rows=21, cols=21
139*c4762a1bSJed Brown                package used to perform factorization: petsc
140*c4762a1bSJed Brown                total: nonzeros=85, allocated nonzeros=85
141*c4762a1bSJed Brown                total number of mallocs used during MatSetValues calls=0
142*c4762a1bSJed Brown                  not using I-node routines
143*c4762a1bSJed Brown        linear system matrix = precond matrix:
144*c4762a1bSJed Brown        Mat Object: (fieldsplit_y_velocity_) 1 MPI processes
145*c4762a1bSJed Brown          type: seqaij
146*c4762a1bSJed Brown          rows=21, cols=21
147*c4762a1bSJed Brown          total: nonzeros=85, allocated nonzeros=85
148*c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
149*c4762a1bSJed Brown            not using I-node routines
150*c4762a1bSJed Brown      linear system matrix = precond matrix:
151*c4762a1bSJed Brown      Mat Object: (fieldsplit_y_velocity_) 3 MPI processes
152*c4762a1bSJed Brown        type: mpiaij
153*c4762a1bSJed Brown        rows=49, cols=49
154*c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
155*c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
156*c4762a1bSJed Brown          not using I-node (on process 0) routines
157*c4762a1bSJed Brown    Split number 2 Defined by IS
158*c4762a1bSJed Brown    KSP Object: (fieldsplit_Omega_) 3 MPI processes
159*c4762a1bSJed Brown      type: preonly
160*c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
161*c4762a1bSJed Brown      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
162*c4762a1bSJed Brown      left preconditioning
163*c4762a1bSJed Brown      using NONE norm type for convergence test
164*c4762a1bSJed Brown    PC Object: (fieldsplit_Omega_) 3 MPI processes
165*c4762a1bSJed Brown      type: bjacobi
166*c4762a1bSJed Brown        number of blocks = 3
167*c4762a1bSJed Brown        Local solve is same for all blocks, in the following KSP and PC objects:
168*c4762a1bSJed Brown      KSP Object: (fieldsplit_Omega_sub_) 1 MPI processes
169*c4762a1bSJed Brown        type: preonly
170*c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
171*c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
172*c4762a1bSJed Brown        left preconditioning
173*c4762a1bSJed Brown        using NONE norm type for convergence test
174*c4762a1bSJed Brown      PC Object: (fieldsplit_Omega_sub_) 1 MPI processes
175*c4762a1bSJed Brown        type: ilu
176*c4762a1bSJed Brown          out-of-place factorization
177*c4762a1bSJed Brown          0 levels of fill
178*c4762a1bSJed Brown          tolerance for zero pivot 2.22045e-14
179*c4762a1bSJed Brown          matrix ordering: natural
180*c4762a1bSJed Brown          factor fill ratio given 1., needed 1.
181*c4762a1bSJed Brown            Factored matrix follows:
182*c4762a1bSJed Brown              Mat Object: 1 MPI processes
183*c4762a1bSJed Brown                type: seqaij
184*c4762a1bSJed Brown                rows=21, cols=21
185*c4762a1bSJed Brown                package used to perform factorization: petsc
186*c4762a1bSJed Brown                total: nonzeros=85, allocated nonzeros=85
187*c4762a1bSJed Brown                total number of mallocs used during MatSetValues calls=0
188*c4762a1bSJed Brown                  not using I-node routines
189*c4762a1bSJed Brown        linear system matrix = precond matrix:
190*c4762a1bSJed Brown        Mat Object: (fieldsplit_Omega_) 1 MPI processes
191*c4762a1bSJed Brown          type: seqaij
192*c4762a1bSJed Brown          rows=21, cols=21
193*c4762a1bSJed Brown          total: nonzeros=85, allocated nonzeros=85
194*c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
195*c4762a1bSJed Brown            not using I-node routines
196*c4762a1bSJed Brown      linear system matrix = precond matrix:
197*c4762a1bSJed Brown      Mat Object: (fieldsplit_Omega_) 3 MPI processes
198*c4762a1bSJed Brown        type: mpiaij
199*c4762a1bSJed Brown        rows=49, cols=49
200*c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
201*c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
202*c4762a1bSJed Brown          not using I-node (on process 0) routines
203*c4762a1bSJed Brown    Split number 3 Defined by IS
204*c4762a1bSJed Brown    KSP Object: (fieldsplit_temperature_) 3 MPI processes
205*c4762a1bSJed Brown      type: preonly
206*c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
207*c4762a1bSJed Brown      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
208*c4762a1bSJed Brown      left preconditioning
209*c4762a1bSJed Brown      using NONE norm type for convergence test
210*c4762a1bSJed Brown    PC Object: (fieldsplit_temperature_) 3 MPI processes
211*c4762a1bSJed Brown      type: bjacobi
212*c4762a1bSJed Brown        number of blocks = 3
213*c4762a1bSJed Brown        Local solve is same for all blocks, in the following KSP and PC objects:
214*c4762a1bSJed Brown      KSP Object: (fieldsplit_temperature_sub_) 1 MPI processes
215*c4762a1bSJed Brown        type: preonly
216*c4762a1bSJed Brown        maximum iterations=10000, initial guess is zero
217*c4762a1bSJed Brown        tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
218*c4762a1bSJed Brown        left preconditioning
219*c4762a1bSJed Brown        using NONE norm type for convergence test
220*c4762a1bSJed Brown      PC Object: (fieldsplit_temperature_sub_) 1 MPI processes
221*c4762a1bSJed Brown        type: ilu
222*c4762a1bSJed Brown          out-of-place factorization
223*c4762a1bSJed Brown          0 levels of fill
224*c4762a1bSJed Brown          tolerance for zero pivot 2.22045e-14
225*c4762a1bSJed Brown          matrix ordering: natural
226*c4762a1bSJed Brown          factor fill ratio given 1., needed 1.
227*c4762a1bSJed Brown            Factored matrix follows:
228*c4762a1bSJed Brown              Mat Object: 1 MPI processes
229*c4762a1bSJed Brown                type: seqaij
230*c4762a1bSJed Brown                rows=21, cols=21
231*c4762a1bSJed Brown                package used to perform factorization: petsc
232*c4762a1bSJed Brown                total: nonzeros=85, allocated nonzeros=85
233*c4762a1bSJed Brown                total number of mallocs used during MatSetValues calls=0
234*c4762a1bSJed Brown                  not using I-node routines
235*c4762a1bSJed Brown        linear system matrix = precond matrix:
236*c4762a1bSJed Brown        Mat Object: (fieldsplit_temperature_) 1 MPI processes
237*c4762a1bSJed Brown          type: seqaij
238*c4762a1bSJed Brown          rows=21, cols=21
239*c4762a1bSJed Brown          total: nonzeros=85, allocated nonzeros=85
240*c4762a1bSJed Brown          total number of mallocs used during MatSetValues calls=0
241*c4762a1bSJed Brown            not using I-node routines
242*c4762a1bSJed Brown      linear system matrix = precond matrix:
243*c4762a1bSJed Brown      Mat Object: (fieldsplit_temperature_) 3 MPI processes
244*c4762a1bSJed Brown        type: mpiaij
245*c4762a1bSJed Brown        rows=49, cols=49
246*c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
247*c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
248*c4762a1bSJed Brown          not using I-node (on process 0) routines
249*c4762a1bSJed Brown    linear system matrix = precond matrix:
250*c4762a1bSJed Brown    Mat Object: 3 MPI processes
251*c4762a1bSJed Brown      type: mpiaij
252*c4762a1bSJed Brown      rows=196, cols=196, bs=4
253*c4762a1bSJed Brown      total: nonzeros=3472, allocated nonzeros=3472
254*c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
255*c4762a1bSJed BrownNumber of SNES iterations = 2
256