xref: /petsc/src/snes/tutorials/output/ex12_quad_hpddm_reuse_threshold.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
1  0 SNES Function norm 10.2781
2    0 KSP Residual norm 10.1755
3    1 KSP Residual norm 3.122
4    2 KSP Residual norm 1.98807
5    3 KSP Residual norm 0.523639
6  Linear solve converged due to CONVERGED_RTOL iterations 3
7  1 SNES Function norm 0.770366
8    0 KSP Residual norm 0.523639
9    1 KSP Residual norm 0.255653
10    2 KSP Residual norm 0.154552
11    3 KSP Residual norm 0.0968739
12    4 KSP Residual norm 0.0351983
13  Linear solve converged due to CONVERGED_RTOL iterations 4
14  2 SNES Function norm 0.0513487
15    0 KSP Residual norm 0.0351983
16    1 KSP Residual norm 0.0230681
17    2 KSP Residual norm 0.0106977
18    3 KSP Residual norm 0.00654554
19    4 KSP Residual norm 0.00404898
20    5 KSP Residual norm 0.00160906
21  Linear solve converged due to CONVERGED_RTOL iterations 5
22  3 SNES Function norm 0.00230473
23    0 KSP Residual norm 0.00160906
24    1 KSP Residual norm 0.000904566
25    2 KSP Residual norm 0.000549715
26    3 KSP Residual norm 0.000324851
27    4 KSP Residual norm 0.000168742
28    5 KSP Residual norm 7.79697e-05
29  Linear solve converged due to CONVERGED_RTOL iterations 5
30  4 SNES Function norm 0.000115341
31    0 KSP Residual norm 7.79697e-05
32    1 KSP Residual norm 4.57685e-05
33    2 KSP Residual norm 2.20533e-05
34    3 KSP Residual norm 1.44913e-05
35    4 KSP Residual norm 8.96527e-06
36    5 KSP Residual norm 4.83859e-06
37  Linear solve converged due to CONVERGED_RTOL iterations 5
38  5 SNES Function norm 6.79388e-06
39    0 KSP Residual norm 4.83859e-06
40    1 KSP Residual norm 2.77576e-06
41    2 KSP Residual norm 1.72657e-06
42    3 KSP Residual norm 1.03361e-06
43    4 KSP Residual norm 5.0434e-07
44    5 KSP Residual norm 2.71081e-07
45  Linear solve converged due to CONVERGED_RTOL iterations 5
46  6 SNES Function norm 3.65805e-07
47    0 KSP Residual norm 2.71081e-07
48    1 KSP Residual norm 1.67289e-07
49    2 KSP Residual norm 7.86136e-08
50    3 KSP Residual norm 4.9281e-08
51    4 KSP Residual norm 2.85897e-08
52    5 KSP Residual norm 1.65072e-08
53  Linear solve converged due to CONVERGED_RTOL iterations 5
54  7 SNES Function norm 2.17462e-08
55L_2 Error: 0.000629252
56Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 7
57SNES Object: 4 MPI processes
58  type: newtonls
59  maximum iterations=50, maximum function evaluations=10000
60  tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
61  total number of linear solver iterations=32
62  total number of function evaluations=8
63  norm schedule ALWAYS
64  SNESLineSearch Object: 4 MPI processes
65    type: bt
66      interpolation: cubic
67      alpha=1.000000e-04
68    maxlambda=1.000000e+00, minlambda=1.000000e-12
69    tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
70    maximum iterations=40
71  KSP Object: 4 MPI processes
72    type: gmres
73      restart=100, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
74      happy breakdown tolerance=1e-30
75    maximum iterations=10000, initial guess is zero
76    tolerances: relative=0.1, absolute=1e-50, divergence=10000.
77    left preconditioning
78    using PRECONDITIONED norm type for convergence test
79  PC Object: 4 MPI processes
80    type: hpddm
81    levels: 2
82    Neumann matrix attached? TRUE
83    shared subdomain KSP between SLEPc and PETSc? FALSE
84    coarse correction: DEFLATED
85    on process #0, value (+ threshold if available) for selecting deflation vectors: 0 (0.1)
86    grid and operator complexities: 1.0039 1.00069
87    KSP Object: (pc_hpddm_levels_1_) 4 MPI processes
88      type: preonly
89      maximum iterations=10000, initial guess is zero
90      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
91      left preconditioning
92      not checking for convergence
93    PC Object: (pc_hpddm_levels_1_) 4 MPI processes
94      type: shell
95        no name
96      linear system matrix, which is also used to construct the preconditioner:
97      Mat Object: 4 MPI processes
98        type: mpiaij
99        rows=513, cols=513
100        total: nonzeros=4345, allocated nonzeros=4345
101        total number of mallocs used during MatSetValues calls=0
102          not using I-node (on process 0) routines
103    PC Object: (pc_hpddm_levels_1_) 4 MPI processes
104      type: bjacobi
105        number of blocks = 4
106        Local solver information for first block is in the following KSP and PC objects on rank 0:
107        Use -pc_hpddm_levels_1_ksp_view ::ascii_info_detail to display information for all blocks
108        KSP Object: (pc_hpddm_levels_1_sub_) 1 MPI process
109          type: preonly
110          maximum iterations=10000, initial guess is zero
111          tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
112          left preconditioning
113          not checking for convergence
114        PC Object: (pc_hpddm_levels_1_sub_) 1 MPI process
115          type: lu
116            out-of-place factorization
117            tolerance for zero pivot 2.22045e-14
118            matrix ordering: nd
119            factor fill ratio given 5., needed 1.9272
120              Factored matrix:
121                Mat Object: (pc_hpddm_levels_1_sub_) 1 MPI process
122                  type: seqaij
123                  rows=109, cols=109
124                  package used to perform factorization: petsc
125                  total: nonzeros=1509, allocated nonzeros=1509
126                    not using I-node routines
127          linear system matrix, which is also used to construct the preconditioner:
128          Mat Object: (pc_hpddm_levels_1_sub_) 1 MPI process
129            type: seqaij
130            rows=109, cols=109
131            total: nonzeros=783, allocated nonzeros=783
132            total number of mallocs used during MatSetValues calls=0
133              not using I-node routines
134      linear system matrix, which is also used to construct the preconditioner:
135      Mat Object: 4 MPI processes
136        type: mpiaij
137        rows=513, cols=513
138        total: nonzeros=4345, allocated nonzeros=4345
139        total number of mallocs used during MatSetValues calls=0
140          not using I-node (on process 0) routines
141      KSP Object: (pc_hpddm_coarse_) 2 MPI processes
142        type: preonly
143        maximum iterations=10000, initial guess is zero
144        tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
145        left preconditioning
146        not checking for convergence
147      PC Object: (pc_hpddm_coarse_) 2 MPI processes
148        type: redundant
149          First (color=0) of 2 PCs follows
150          KSP Object: (pc_hpddm_coarse_redundant_) 1 MPI process
151            type: preonly
152            maximum iterations=10000, initial guess is zero
153            tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
154            left preconditioning
155            not checking for convergence
156          PC Object: (pc_hpddm_coarse_redundant_) 1 MPI process
157            type: cholesky
158              out-of-place factorization
159              tolerance for zero pivot 2.22045e-14
160              matrix ordering: natural
161              factor fill ratio given 5., needed 1.
162                Factored matrix:
163                  Mat Object: (pc_hpddm_coarse_redundant_) 1 MPI process
164                    type: seqsbaij
165                    rows=2, cols=2
166                    package used to perform factorization: petsc
167                    total: nonzeros=3, allocated nonzeros=3
168            linear system matrix, which is also used to construct the preconditioner:
169            Mat Object: 1 MPI process
170              type: seqsbaij
171              rows=2, cols=2
172              total: nonzeros=3, allocated nonzeros=3
173              total number of mallocs used during MatSetValues calls=0
174        linear system matrix, which is also used to construct the preconditioner:
175        Mat Object: (pc_hpddm_coarse_) 2 MPI processes
176          type: mpisbaij
177          rows=2, cols=2
178          total: nonzeros=3, allocated nonzeros=3
179          total number of mallocs used during MatSetValues calls=0
180    linear system matrix, which is also used to construct the preconditioner:
181    Mat Object: 4 MPI processes
182      type: mpiaij
183      rows=513, cols=513
184      total: nonzeros=4345, allocated nonzeros=4345
185      total number of mallocs used during MatSetValues calls=0
186        not using I-node (on process 0) routines
187