xref: /petsc/src/snes/tutorials/output/ex19_6.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 0.0554997
5*c4762a1bSJed Brown    2 KSP Residual norm 0.0103331
6*c4762a1bSJed Brown    3 KSP Residual norm 0.00349351
7*c4762a1bSJed Brown    4 KSP Residual norm 0.00162771
8*c4762a1bSJed Brown    5 KSP Residual norm 0.000420559
9*c4762a1bSJed Brown    6 KSP Residual norm 0.000131423
10*c4762a1bSJed Brown    7 KSP Residual norm 4.9738e-05
11*c4762a1bSJed Brown    8 KSP Residual norm 1.91653e-05
12*c4762a1bSJed Brown    9 KSP Residual norm 5.05572e-06
13*c4762a1bSJed Brown   10 KSP Residual norm 1.51319e-06
14*c4762a1bSJed Brown   11 KSP Residual norm 5.43836e-07
15*c4762a1bSJed Brown  1 SNES Function norm 2.50119e-05
16*c4762a1bSJed Brown    0 KSP Residual norm 2.50119e-05
17*c4762a1bSJed Brown    1 KSP Residual norm 5.42803e-06
18*c4762a1bSJed Brown    2 KSP Residual norm 1.19801e-06
19*c4762a1bSJed Brown    3 KSP Residual norm 7.19919e-07
20*c4762a1bSJed Brown    4 KSP Residual norm 3.23248e-07
21*c4762a1bSJed Brown    5 KSP Residual norm 8.65301e-08
22*c4762a1bSJed Brown    6 KSP Residual norm 3.40266e-08
23*c4762a1bSJed Brown    7 KSP Residual norm 1.01576e-08
24*c4762a1bSJed Brown    8 KSP Residual norm 1.77734e-09
25*c4762a1bSJed Brown    9 KSP Residual norm 3.403e-10
26*c4762a1bSJed Brown   10 KSP Residual norm 1.094e-10
27*c4762a1bSJed Brown  2 SNES Function norm 1.093e-10
28*c4762a1bSJed BrownSNES Object: 1 MPI processes
29*c4762a1bSJed Brown  type: newtonls
30*c4762a1bSJed Brown  maximum iterations=50, maximum function evaluations=10000
31*c4762a1bSJed Brown  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
32*c4762a1bSJed Brown  total number of linear solver iterations=21
33*c4762a1bSJed Brown  total number of function evaluations=3
34*c4762a1bSJed Brown  norm schedule ALWAYS
35*c4762a1bSJed Brown  Jacobian is built using colored finite differences on a DMDA
36*c4762a1bSJed Brown  SNESLineSearch Object: 1 MPI processes
37*c4762a1bSJed Brown    type: bt
38*c4762a1bSJed Brown      interpolation: cubic
39*c4762a1bSJed Brown      alpha=1.000000e-04
40*c4762a1bSJed Brown    maxstep=1.000000e+08, minlambda=1.000000e-12
41*c4762a1bSJed Brown    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
42*c4762a1bSJed Brown    maximum iterations=40
43*c4762a1bSJed Brown  KSP Object: 1 MPI processes
44*c4762a1bSJed Brown    type: fgmres
45*c4762a1bSJed Brown      restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
46*c4762a1bSJed Brown      happy breakdown tolerance 1e-30
47*c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
48*c4762a1bSJed Brown    tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
49*c4762a1bSJed Brown    right preconditioning
50*c4762a1bSJed Brown    using UNPRECONDITIONED norm type for convergence test
51*c4762a1bSJed Brown  PC Object: 1 MPI processes
52*c4762a1bSJed Brown    type: fieldsplit
53*c4762a1bSJed Brown      FieldSplit with MULTIPLICATIVE composition: total splits = 4
54*c4762a1bSJed Brown      Solver info for each split is in the following KSP objects:
55*c4762a1bSJed Brown    Split number 0 Defined by IS
56*c4762a1bSJed Brown    KSP Object: (fieldsplit_x_velocity_) 1 MPI processes
57*c4762a1bSJed Brown      type: preonly
58*c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
59*c4762a1bSJed Brown      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
60*c4762a1bSJed Brown      left preconditioning
61*c4762a1bSJed Brown      using NONE norm type for convergence test
62*c4762a1bSJed Brown    PC Object: (fieldsplit_x_velocity_) 1 MPI processes
63*c4762a1bSJed Brown      type: ilu
64*c4762a1bSJed Brown        out-of-place factorization
65*c4762a1bSJed Brown        0 levels of fill
66*c4762a1bSJed Brown        tolerance for zero pivot 2.22045e-14
67*c4762a1bSJed Brown        matrix ordering: natural
68*c4762a1bSJed Brown        factor fill ratio given 1., needed 1.
69*c4762a1bSJed Brown          Factored matrix follows:
70*c4762a1bSJed Brown            Mat Object: 1 MPI processes
71*c4762a1bSJed Brown              type: seqaij
72*c4762a1bSJed Brown              rows=49, cols=49
73*c4762a1bSJed Brown              package used to perform factorization: petsc
74*c4762a1bSJed Brown              total: nonzeros=217, allocated nonzeros=217
75*c4762a1bSJed Brown              total number of mallocs used during MatSetValues calls=0
76*c4762a1bSJed Brown                not using I-node routines
77*c4762a1bSJed Brown      linear system matrix = precond matrix:
78*c4762a1bSJed Brown      Mat Object: (fieldsplit_x_velocity_) 1 MPI processes
79*c4762a1bSJed Brown        type: seqaij
80*c4762a1bSJed Brown        rows=49, cols=49
81*c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
82*c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
83*c4762a1bSJed Brown          not using I-node routines
84*c4762a1bSJed Brown    Split number 1 Defined by IS
85*c4762a1bSJed Brown    KSP Object: (fieldsplit_y_velocity_) 1 MPI processes
86*c4762a1bSJed Brown      type: preonly
87*c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
88*c4762a1bSJed Brown      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
89*c4762a1bSJed Brown      left preconditioning
90*c4762a1bSJed Brown      using NONE norm type for convergence test
91*c4762a1bSJed Brown    PC Object: (fieldsplit_y_velocity_) 1 MPI processes
92*c4762a1bSJed Brown      type: ilu
93*c4762a1bSJed Brown        out-of-place factorization
94*c4762a1bSJed Brown        0 levels of fill
95*c4762a1bSJed Brown        tolerance for zero pivot 2.22045e-14
96*c4762a1bSJed Brown        matrix ordering: natural
97*c4762a1bSJed Brown        factor fill ratio given 1., needed 1.
98*c4762a1bSJed Brown          Factored matrix follows:
99*c4762a1bSJed Brown            Mat Object: 1 MPI processes
100*c4762a1bSJed Brown              type: seqaij
101*c4762a1bSJed Brown              rows=49, cols=49
102*c4762a1bSJed Brown              package used to perform factorization: petsc
103*c4762a1bSJed Brown              total: nonzeros=217, allocated nonzeros=217
104*c4762a1bSJed Brown              total number of mallocs used during MatSetValues calls=0
105*c4762a1bSJed Brown                not using I-node routines
106*c4762a1bSJed Brown      linear system matrix = precond matrix:
107*c4762a1bSJed Brown      Mat Object: (fieldsplit_y_velocity_) 1 MPI processes
108*c4762a1bSJed Brown        type: seqaij
109*c4762a1bSJed Brown        rows=49, cols=49
110*c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
111*c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
112*c4762a1bSJed Brown          not using I-node routines
113*c4762a1bSJed Brown    Split number 2 Defined by IS
114*c4762a1bSJed Brown    KSP Object: (fieldsplit_Omega_) 1 MPI processes
115*c4762a1bSJed Brown      type: preonly
116*c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
117*c4762a1bSJed Brown      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
118*c4762a1bSJed Brown      left preconditioning
119*c4762a1bSJed Brown      using NONE norm type for convergence test
120*c4762a1bSJed Brown    PC Object: (fieldsplit_Omega_) 1 MPI processes
121*c4762a1bSJed Brown      type: ilu
122*c4762a1bSJed Brown        out-of-place factorization
123*c4762a1bSJed Brown        0 levels of fill
124*c4762a1bSJed Brown        tolerance for zero pivot 2.22045e-14
125*c4762a1bSJed Brown        matrix ordering: natural
126*c4762a1bSJed Brown        factor fill ratio given 1., needed 1.
127*c4762a1bSJed Brown          Factored matrix follows:
128*c4762a1bSJed Brown            Mat Object: 1 MPI processes
129*c4762a1bSJed Brown              type: seqaij
130*c4762a1bSJed Brown              rows=49, cols=49
131*c4762a1bSJed Brown              package used to perform factorization: petsc
132*c4762a1bSJed Brown              total: nonzeros=217, allocated nonzeros=217
133*c4762a1bSJed Brown              total number of mallocs used during MatSetValues calls=0
134*c4762a1bSJed Brown                not using I-node routines
135*c4762a1bSJed Brown      linear system matrix = precond matrix:
136*c4762a1bSJed Brown      Mat Object: (fieldsplit_Omega_) 1 MPI processes
137*c4762a1bSJed Brown        type: seqaij
138*c4762a1bSJed Brown        rows=49, cols=49
139*c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
140*c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
141*c4762a1bSJed Brown          not using I-node routines
142*c4762a1bSJed Brown    Split number 3 Defined by IS
143*c4762a1bSJed Brown    KSP Object: (fieldsplit_temperature_) 1 MPI processes
144*c4762a1bSJed Brown      type: preonly
145*c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
146*c4762a1bSJed Brown      tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
147*c4762a1bSJed Brown      left preconditioning
148*c4762a1bSJed Brown      using NONE norm type for convergence test
149*c4762a1bSJed Brown    PC Object: (fieldsplit_temperature_) 1 MPI processes
150*c4762a1bSJed Brown      type: ilu
151*c4762a1bSJed Brown        out-of-place factorization
152*c4762a1bSJed Brown        0 levels of fill
153*c4762a1bSJed Brown        tolerance for zero pivot 2.22045e-14
154*c4762a1bSJed Brown        matrix ordering: natural
155*c4762a1bSJed Brown        factor fill ratio given 1., needed 1.
156*c4762a1bSJed Brown          Factored matrix follows:
157*c4762a1bSJed Brown            Mat Object: 1 MPI processes
158*c4762a1bSJed Brown              type: seqaij
159*c4762a1bSJed Brown              rows=49, cols=49
160*c4762a1bSJed Brown              package used to perform factorization: petsc
161*c4762a1bSJed Brown              total: nonzeros=217, allocated nonzeros=217
162*c4762a1bSJed Brown              total number of mallocs used during MatSetValues calls=0
163*c4762a1bSJed Brown                not using I-node routines
164*c4762a1bSJed Brown      linear system matrix = precond matrix:
165*c4762a1bSJed Brown      Mat Object: (fieldsplit_temperature_) 1 MPI processes
166*c4762a1bSJed Brown        type: seqaij
167*c4762a1bSJed Brown        rows=49, cols=49
168*c4762a1bSJed Brown        total: nonzeros=217, allocated nonzeros=217
169*c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
170*c4762a1bSJed Brown          not using I-node routines
171*c4762a1bSJed Brown    linear system matrix = precond matrix:
172*c4762a1bSJed Brown    Mat Object: 1 MPI processes
173*c4762a1bSJed Brown      type: seqaij
174*c4762a1bSJed Brown      rows=196, cols=196, bs=4
175*c4762a1bSJed Brown      total: nonzeros=3472, allocated nonzeros=3472
176*c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
177*c4762a1bSJed Brown        using I-node routines: found 49 nodes, limit used is 5
178*c4762a1bSJed BrownNumber of SNES iterations = 2
179