xref: /petsc/src/snes/tutorials/output/ex19_euclid_droptolerance.out (revision 2ff79c18c26c94ed8cb599682f680f231dca6444)
1lid velocity = 0.00591716, prandtl # = 1., grashof # = 1.
2  0 SNES Function norm 7.886953101160e-02
3    0 KSP Residual norm 1.746381225827e-01
4    1 KSP Residual norm 7.004704630590e-02
5    2 KSP Residual norm 4.385856078301e-02
6    3 KSP Residual norm 2.991734996742e-02
7    4 KSP Residual norm 1.541826196440e-02
8    5 KSP Residual norm 6.602560554899e-03
9    6 KSP Residual norm 2.694428161302e-03
10    7 KSP Residual norm 1.622977097479e-03
11    8 KSP Residual norm 8.474224154098e-04
12    9 KSP Residual norm 3.360585541731e-04
13   10 KSP Residual norm 1.753532737046e-04
14   11 KSP Residual norm 7.356382477417e-05
15   12 KSP Residual norm 3.555027783012e-05
16   13 KSP Residual norm 2.522543733667e-05
17   14 KSP Residual norm 1.650061977888e-05
18   15 KSP Residual norm 1.317943743207e-05
19   16 KSP Residual norm 5.987224752271e-06
20   17 KSP Residual norm 2.746393568458e-06
21   18 KSP Residual norm 1.161746985368e-06
22  1 SNES Function norm 7.905777117971e-06
23    0 KSP Residual norm 7.310793191220e-06
24    1 KSP Residual norm 4.274292904265e-06
25    2 KSP Residual norm 2.554221716108e-06
26    3 KSP Residual norm 1.805162190427e-06
27    4 KSP Residual norm 1.302059663179e-06
28    5 KSP Residual norm 6.900263715957e-07
29    6 KSP Residual norm 3.865286574893e-07
30    7 KSP Residual norm 2.011026678421e-07
31    8 KSP Residual norm 1.279189993428e-07
32    9 KSP Residual norm 7.486230255819e-08
33   10 KSP Residual norm 4.486174933669e-08
34   11 KSP Residual norm 2.718057584265e-08
35   12 KSP Residual norm 1.522342632160e-08
36   13 KSP Residual norm 1.092746533309e-08
37   14 KSP Residual norm 4.600296733527e-09
38   15 KSP Residual norm 2.138995973823e-09
39   16 KSP Residual norm 1.188059540268e-09
40   17 KSP Residual norm 9.983011502733e-10
41   18 KSP Residual norm 8.037619089070e-10
42   19 KSP Residual norm 4.531479206633e-10
43   20 KSP Residual norm 2.327066112499e-10
44   21 KSP Residual norm 1.466975986836e-10
45   22 KSP Residual norm 1.046387755681e-10
46   23 KSP Residual norm 4.595843286107e-11
47  2 SNES Function norm 1.464393747580e-10
48SNES Object: 1 MPI process
49  type: newtonls
50  maximum iterations=50, maximum function evaluations=10000
51  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
52  total number of linear solver iterations=41
53  total number of function evaluations=3
54  norm schedule ALWAYS
55  Jacobian is built using colored finite differences on a DMDA
56  SNESLineSearch Object: 1 MPI process
57    type: bt
58      interpolation: cubic
59      alpha=1.000000e-04
60    maxlambda=1.000000e+00, minlambda=1.000000e-12
61    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
62    maximum iterations=40
63  KSP Object: 1 MPI process
64    type: gmres
65      restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
66      happy breakdown tolerance 1e-30
67    maximum iterations=10000, initial guess is zero
68    tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
69    left preconditioning
70    using PRECONDITIONED norm type for convergence test
71  PC Object: 1 MPI process
72    type: hypre
73      HYPRE Euclid preconditioning
74        default factorization levels
75        drop tolerance 0.1
76        use Block-Jacobi? 0
77    linear system matrix = precond matrix:
78    Mat Object: 1 MPI process
79      type: seqaij
80      rows=676, cols=676, bs=4
81      total: nonzeros=12688, allocated nonzeros=12688
82      total number of mallocs used during MatSetValues calls=0
83        using I-node routines: found 169 nodes, limit used is 5
84Number of SNES iterations = 2
85