xref: /petsc/src/snes/tutorials/output/ex19_superlu_dist_3ds.out (revision 98d129c30f3ee9fdddc40fdbc5a989b7be64f888)
1lid velocity = 0.0025, prandtl # = 1., grashof # = 1.
2  0 SNES Function norm 5.097713965974e-02
3    0 KSP Residual norm 4.478156318929e-01
4    1 KSP Residual norm 1.332770193323e-07
5  1 SNES Function norm 4.205141651798e-06
6    0 KSP Residual norm 1.665563745957e-05
7    1 KSP Residual norm 5.185921486633e-12
8  2 SNES Function norm 6.137664574662e-12
9SNES Object: 4 MPI processes
10  type: newtonls
11  maximum iterations=50, maximum function evaluations=10000
12  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
13  total number of linear solver iterations=2
14  total number of function evaluations=3
15  norm schedule ALWAYS
16  Jacobian is built using colored finite differences on a DMDA
17  SNESLineSearch Object: 4 MPI processes
18    type: bt
19      interpolation: cubic
20      alpha=1.000000e-04
21    maxstep=1.000000e+08, minlambda=1.000000e-12
22    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
23    maximum iterations=40
24  KSP Object: 4 MPI processes
25    type: gmres
26      restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
27      happy breakdown tolerance 1e-30
28    maximum iterations=10000, initial guess is zero
29    tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
30    left preconditioning
31    using PRECONDITIONED norm type for convergence test
32  PC Object: 4 MPI processes
33    type: lu
34      out-of-place factorization
35      tolerance for zero pivot 2.22045e-14
36      matrix ordering: external
37      factor fill ratio given 0., needed 0.
38        Factored matrix follows:
39          Mat Object: 4 MPI processes
40            type: superlu_dist
41            rows=1600, cols=1600
42            package used to perform factorization: superlu_dist
43            total: nonzeros=0, allocated nonzeros=0
44              SuperLU_DIST run parameters:
45                Process grid nprow 1 x npcol 2
46                Using 3d decomposition with npdep 2
47                Equilibrate matrix TRUE
48                Replace tiny pivots FALSE
49                Use iterative refinement FALSE
50                Processors in row 1 col partition 2
51                Row permutation LargeDiag_MC64
52                Column permutation METIS_AT_PLUS_A
53                Parallel symbolic factorization FALSE
54                Repeated factorization SamePattern
55                Using SuperLU_DIST in single precision
56    linear system matrix = precond matrix:
57    Mat Object: 4 MPI processes
58      type: mpiaij
59      rows=1600, cols=1600, bs=4
60      total: nonzeros=30720, allocated nonzeros=30720
61      total number of mallocs used during MatSetValues calls=0
62Number of SNES iterations = 2
63