xref: /petsc/src/ksp/ksp/tutorials/output/ex66_2.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
1c4762a1bSJed Brown  0 KSP Residual norm 0.728046
2c4762a1bSJed Brown  1 KSP Residual norm 0.000452561
3c4762a1bSJed Brown  2 KSP Residual norm 5.56117e-05
4c4762a1bSJed Brown  3 KSP Residual norm 1.48949e-06
5c4762a1bSJed BrownKSP Object: 4 MPI processes
6c4762a1bSJed Brown  type: gmres
7f971d498SPierre Jolivet    restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
8*143f2514SPierre Jolivet    happy breakdown tolerance=1e-30
9c4762a1bSJed Brown  maximum iterations=10000, initial guess is zero
10c4762a1bSJed Brown  tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
11c4762a1bSJed Brown  left preconditioning
12c4762a1bSJed Brown  using PRECONDITIONED norm type for convergence test
13c4762a1bSJed BrownPC Object: 4 MPI processes
14c4762a1bSJed Brown  type: mg
15c4762a1bSJed Brown    type is FULL, levels=4 cycles=v
16c4762a1bSJed Brown      Not using Galerkin computed coarse grid matrices
1763a3b9bcSJacob Faibussowitsch  Coarse grid solver -- level 0 -------------------------------
18c4762a1bSJed Brown    KSP Object: (mg_coarse_) 4 MPI processes
19c4762a1bSJed Brown      type: preonly
20c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
21c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
22c4762a1bSJed Brown      left preconditioning
238405740aSBarry Smith      not checking for convergence
24c4762a1bSJed Brown    PC Object: (mg_coarse_) 4 MPI processes
25c4762a1bSJed Brown      type: redundant
26c4762a1bSJed Brown        First (color=0) of 4 PCs follows
278cc725e6SPierre Jolivet        KSP Object: (mg_coarse_redundant_) 1 MPI process
28c4762a1bSJed Brown          type: preonly
29c4762a1bSJed Brown          maximum iterations=10000, initial guess is zero
30c4762a1bSJed Brown          tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
31c4762a1bSJed Brown          left preconditioning
328405740aSBarry Smith          not checking for convergence
338cc725e6SPierre Jolivet        PC Object: (mg_coarse_redundant_) 1 MPI process
34c4762a1bSJed Brown          type: svd
35c4762a1bSJed Brown            All singular values smaller than 1e-12 treated as zero
36c4762a1bSJed Brown            Provided essential rank of the matrix 0 (all other eigenvalues are zeroed)
37ecf3d421SBarry Smith          linear system matrix, which is also used to construct the preconditioner:
388cc725e6SPierre Jolivet          Mat Object: 1 MPI process
39c4762a1bSJed Brown            type: seqaij
40c4762a1bSJed Brown            rows=121, cols=121
41c4762a1bSJed Brown            total: nonzeros=583, allocated nonzeros=583
42c4762a1bSJed Brown            total number of mallocs used during MatSetValues calls=0
43c4762a1bSJed Brown              not using I-node routines
44ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
45c4762a1bSJed Brown      Mat Object: 4 MPI processes
46c4762a1bSJed Brown        type: mpiaij
47c4762a1bSJed Brown        rows=121, cols=121
48c4762a1bSJed Brown        total: nonzeros=583, allocated nonzeros=583
49c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
50c4762a1bSJed Brown          has attached null space
51c4762a1bSJed Brown  Down solver (pre-smoother) on level 1 -------------------------------
52c4762a1bSJed Brown    KSP Object: (mg_levels_1_) 4 MPI processes
53c4762a1bSJed Brown      type: chebyshev
54f2edd1f0SMalachi Phillips        Chebyshev polynomial of first kind
5573f7197eSJed Brown        eigenvalue targets used: min 0.149975, max 1.64973
5673f7197eSJed Brown        eigenvalues estimated via gmres: min 0.0251646, max 1.49975
5773f7197eSJed Brown        eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1]
58c4762a1bSJed Brown        KSP Object: (mg_levels_1_esteig_) 4 MPI processes
59c4762a1bSJed Brown          type: gmres
60f971d498SPierre Jolivet            restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
61*143f2514SPierre Jolivet            happy breakdown tolerance=1e-30
62c4762a1bSJed Brown          maximum iterations=10, initial guess is zero
63c4762a1bSJed Brown          tolerances: relative=1e-12, absolute=1e-50, divergence=10000.
64c4762a1bSJed Brown          left preconditioning
65c4762a1bSJed Brown          using PRECONDITIONED norm type for convergence test
66dd8e379bSPierre Jolivet        estimating eigenvalues using a noisy random number generated right-hand side
67c4762a1bSJed Brown      maximum iterations=2, nonzero initial guess
68c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
69c4762a1bSJed Brown      left preconditioning
708405740aSBarry Smith      not checking for convergence
71c4762a1bSJed Brown    PC Object: (mg_levels_1_) 4 MPI processes
72c4762a1bSJed Brown      type: sor
73c4762a1bSJed Brown        type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
74ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
75c4762a1bSJed Brown      Mat Object: 4 MPI processes
76c4762a1bSJed Brown        type: mpiaij
77c4762a1bSJed Brown        rows=462, cols=462
78c4762a1bSJed Brown        total: nonzeros=2266, allocated nonzeros=2266
79c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
80c4762a1bSJed Brown          has attached null space
81c4762a1bSJed Brown  Up solver (post-smoother) same as down solver (pre-smoother)
82c4762a1bSJed Brown  Down solver (pre-smoother) on level 2 -------------------------------
83c4762a1bSJed Brown    KSP Object: (mg_levels_2_) 4 MPI processes
84c4762a1bSJed Brown      type: chebyshev
85f2edd1f0SMalachi Phillips        Chebyshev polynomial of first kind
8673f7197eSJed Brown        eigenvalue targets used: min 0.149919, max 1.64911
8773f7197eSJed Brown        eigenvalues estimated via gmres: min 0.0224513, max 1.49919
8873f7197eSJed Brown        eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1]
89c4762a1bSJed Brown        KSP Object: (mg_levels_2_esteig_) 4 MPI processes
90c4762a1bSJed Brown          type: gmres
91f971d498SPierre Jolivet            restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
92*143f2514SPierre Jolivet            happy breakdown tolerance=1e-30
93c4762a1bSJed Brown          maximum iterations=10, initial guess is zero
94c4762a1bSJed Brown          tolerances: relative=1e-12, absolute=1e-50, divergence=10000.
95c4762a1bSJed Brown          left preconditioning
96c4762a1bSJed Brown          using PRECONDITIONED norm type for convergence test
97dd8e379bSPierre Jolivet        estimating eigenvalues using a noisy random number generated right-hand side
98c4762a1bSJed Brown      maximum iterations=2, nonzero initial guess
99c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
100c4762a1bSJed Brown      left preconditioning
1018405740aSBarry Smith      not checking for convergence
102c4762a1bSJed Brown    PC Object: (mg_levels_2_) 4 MPI processes
103c4762a1bSJed Brown      type: sor
104c4762a1bSJed Brown        type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
105ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
106c4762a1bSJed Brown      Mat Object: 4 MPI processes
107c4762a1bSJed Brown        type: mpiaij
108c4762a1bSJed Brown        rows=1804, cols=1804
109c4762a1bSJed Brown        total: nonzeros=8932, allocated nonzeros=8932
110c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
111c4762a1bSJed Brown          has attached null space
112c4762a1bSJed Brown  Up solver (post-smoother) same as down solver (pre-smoother)
113c4762a1bSJed Brown  Down solver (pre-smoother) on level 3 -------------------------------
114c4762a1bSJed Brown    KSP Object: (mg_levels_3_) 4 MPI processes
115c4762a1bSJed Brown      type: chebyshev
116f2edd1f0SMalachi Phillips        Chebyshev polynomial of first kind
11773f7197eSJed Brown        eigenvalue targets used: min 0.149758, max 1.64734
11873f7197eSJed Brown        eigenvalues estimated via gmres: min 0.0187827, max 1.49758
11973f7197eSJed Brown        eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1]
120c4762a1bSJed Brown        KSP Object: (mg_levels_3_esteig_) 4 MPI processes
121c4762a1bSJed Brown          type: gmres
122f971d498SPierre Jolivet            restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
123*143f2514SPierre Jolivet            happy breakdown tolerance=1e-30
124c4762a1bSJed Brown          maximum iterations=10, initial guess is zero
125c4762a1bSJed Brown          tolerances: relative=1e-12, absolute=1e-50, divergence=10000.
126c4762a1bSJed Brown          left preconditioning
127c4762a1bSJed Brown          using PRECONDITIONED norm type for convergence test
128dd8e379bSPierre Jolivet        estimating eigenvalues using a noisy random number generated right-hand side
129c4762a1bSJed Brown      maximum iterations=2, nonzero initial guess
130c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
131c4762a1bSJed Brown      left preconditioning
1328405740aSBarry Smith      not checking for convergence
133c4762a1bSJed Brown    PC Object: (mg_levels_3_) 4 MPI processes
134c4762a1bSJed Brown      type: sor
135c4762a1bSJed Brown        type = local_symmetric, iterations = 1, local iterations = 1, omega = 1.
136ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
137c4762a1bSJed Brown      Mat Object: 4 MPI processes
138c4762a1bSJed Brown        type: mpiaij
139c4762a1bSJed Brown        rows=7128, cols=7128
140c4762a1bSJed Brown        total: nonzeros=35464, allocated nonzeros=35464
141c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
142c4762a1bSJed Brown          has attached null space
143c4762a1bSJed Brown  Up solver (post-smoother) same as down solver (pre-smoother)
144ecf3d421SBarry Smith  linear system matrix, which is also used to construct the preconditioner:
145c4762a1bSJed Brown  Mat Object: 4 MPI processes
146c4762a1bSJed Brown    type: mpiaij
147c4762a1bSJed Brown    rows=7128, cols=7128
148c4762a1bSJed Brown    total: nonzeros=35464, allocated nonzeros=35464
149c4762a1bSJed Brown    total number of mallocs used during MatSetValues calls=0
150c4762a1bSJed Brown      has attached null space
151