xref: /petsc/src/ksp/ksp/tutorials/output/ex82_1.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
1  Linear solve converged due to CONVERGED_RTOL iterations 18
2KSP Object: 4 MPI processes
3  type: gmres
4    restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
5    happy breakdown tolerance=1e-30
6  maximum iterations=10000, initial guess is zero
7  tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
8  left preconditioning
9  using PRECONDITIONED norm type for convergence test
10PC Object: 4 MPI processes
11  type: hpddm
12  levels: 2
13  Neumann matrix attached? FALSE
14  shared subdomain KSP between SLEPc and PETSc? FALSE
15  coarse correction: DEFLATED
16  on process #0, value (+ threshold if available) for selecting deflation vectors: 1
17  grid and operator complexities: 1.005 16.
18  KSP Object: (pc_hpddm_levels_1_) 4 MPI processes
19    type: preonly
20    maximum iterations=10000, initial guess is zero
21    tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
22    left preconditioning
23    not checking for convergence
24  PC Object: (pc_hpddm_levels_1_) 4 MPI processes
25    type: shell
26      no name
27    linear system matrix, which is also used to construct the preconditioner:
28    Mat Object: 4 MPI processes
29      type: htool
30      rows=800, cols=800
31        symmetry: N
32        maximal cluster leaf size: 10
33        epsilon: 0.01
34        eta: 10.
35        minimum target depth: 0
36        minimum source depth: 0
37        compressor: sympartialACA
38        clustering: PCARegular
39        compression ratio: 1.086263
40        space saving: 0.079412
41        block tree consistency: TRUE
42        recompression: FALSE
43        (minimum, mean, maximum) dense block sizes: (36, 39.341459, 169)
44        (minimum, mean, maximum) low rank block sizes: (36, 127.619256, 625)
45        (minimum, mean, maximum) ranks: (2, 4.356674, 8)
46  PC Object: (pc_hpddm_levels_1_) 4 MPI processes
47    type: asm
48      total subdomain blocks = 4, user-defined overlap
49      restriction/interpolation type - RESTRICT
50      Local solver information for first block is in the following KSP and PC objects on rank 0:
51      Use -pc_hpddm_levels_1_ksp_view ::ascii_info_detail to display information for all blocks
52      KSP Object: (pc_hpddm_levels_1_sub_) 1 MPI process
53        type: preonly
54        maximum iterations=10000, initial guess is zero
55        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
56        left preconditioning
57        not checking for convergence
58      PC Object: (pc_hpddm_levels_1_sub_) 1 MPI process
59        type: lu
60          out-of-place factorization
61          tolerance for zero pivot 2.22045e-14
62          matrix ordering: external
63          factor fill ratio given 0., needed 0.
64            Factored matrix:
65              Mat Object: (pc_hpddm_levels_1_sub_) 1 MPI process
66                type: seqdense
67                rows=202, cols=202
68                package used to perform factorization: petsc
69                total: nonzeros=40804, allocated nonzeros=40804
70        linear system matrix, which is also used to construct the preconditioner:
71        Mat Object: (pc_hpddm_levels_1_sub_) 1 MPI process
72          type: seqdense
73          rows=202, cols=202
74          total: nonzeros=40804, allocated nonzeros=40804
75          total number of mallocs used during MatSetValues calls=0
76    linear system matrix, which is also used to construct the preconditioner:
77    Mat Object: 4 MPI processes
78      type: htool
79      rows=800, cols=800
80        symmetry: N
81        maximal cluster leaf size: 10
82        epsilon: 0.01
83        eta: 10.
84        minimum target depth: 0
85        minimum source depth: 0
86        compressor: sympartialACA
87        clustering: PCARegular
88        compression ratio: 1.086263
89        space saving: 0.079412
90        block tree consistency: TRUE
91        recompression: FALSE
92        (minimum, mean, maximum) dense block sizes: (36, 39.341459, 169)
93        (minimum, mean, maximum) low rank block sizes: (36, 127.619256, 625)
94        (minimum, mean, maximum) ranks: (2, 4.356674, 8)
95    KSP Object: (pc_hpddm_coarse_) 1 MPI process
96      type: gmres
97        restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
98        happy breakdown tolerance=1e-30
99      maximum iterations=10000, initial guess is zero
100      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
101      left preconditioning
102      using PRECONDITIONED norm type for convergence test
103    PC Object: (pc_hpddm_coarse_) 1 MPI process
104      type: lu
105        out-of-place factorization
106        tolerance for zero pivot 2.22045e-14
107        matrix ordering: external
108        factor fill ratio given 0., needed 0.
109          Factored matrix:
110            Mat Object: (pc_hpddm_coarse_) 1 MPI process
111              type: seqdense
112              rows=4, cols=4
113              package used to perform factorization: petsc
114              total: nonzeros=16, allocated nonzeros=16
115      linear system matrix, which is also used to construct the preconditioner:
116      Mat Object: (pc_hpddm_coarse_) 1 MPI process
117        type: seqdense
118        rows=4, cols=4
119        total: nonzeros=16, allocated nonzeros=16
120        total number of mallocs used during MatSetValues calls=0
121  linear system matrix, which is also used to construct the preconditioner:
122  Mat Object: 4 MPI processes
123    type: htool
124    rows=800, cols=800
125      symmetry: N
126      maximal cluster leaf size: 10
127      epsilon: 0.01
128      eta: 10.
129      minimum target depth: 0
130      minimum source depth: 0
131      compressor: sympartialACA
132      clustering: PCARegular
133      compression ratio: 1.086263
134      space saving: 0.079412
135      block tree consistency: TRUE
136      recompression: FALSE
137      (minimum, mean, maximum) dense block sizes: (36, 39.341459, 169)
138      (minimum, mean, maximum) low rank block sizes: (36, 127.619256, 625)
139      (minimum, mean, maximum) ranks: (2, 4.356674, 8)
140