xref: /petsc/src/snes/tests/output/ex1_2c_snes_tr_qn-different.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
1  Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 5
2SNES Object: 1 MPI process
3  type: newtontr
4    Trust region parameters:
5      eta1=0.001, eta2=0.25, eta3=0.75
6      t1=0.25, t2=2.
7      delta_min=1e-12, delta_0=0.2, delta_max=1e+10
8      kmdc=0.
9      fallback=NEWTON
10      qn=DIFFERENT
11      norm=INFINITY
12  maximum iterations=50, maximum function evaluations=10000
13  tolerances: relative=1e-08, absolute=1e-50, solution=0.
14  total number of linear solver iterations=5
15  total number of function evaluations=6
16  norm schedule ALWAYS
17  KSP Object: 1 MPI process
18    type: gmres
19      restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
20      happy breakdown tolerance=1e-30
21    maximum iterations=10000, initial guess is zero
22    tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
23    left preconditioning
24    using PRECONDITIONED norm type for convergence test
25  PC Object: 1 MPI process
26    type: mat
27    PCApply() == MatSolve()
28    linear system matrix, followed by the matrix used to construct the preconditioner:
29    Mat Object: (snes_tr_qn_) 1 MPI process
30      type: lmvmdfp
31      rows=16, cols=16
32        Max. storage: 5
33        Used storage: 4
34        Number of updates: 4
35        Number of rejects: 0
36        Number of resets: 0
37        J0:
38          Mat Object: (snes_tr_qn_mat_lmvm_J0_) 1 MPI process
39            type: diagonal
40            rows=16, cols=16
41              Vec Object: 1 MPI process
42                type: seq
43        Rescale type: diagonal
44        Rescale history: 1
45        Rescale params: alpha=1., beta=0.5, rho=1.
46        Rescale convex factor: theta=0.125
47    Mat Object: (snes_tr_qn_pre_) 1 MPI process
48      type: lmvmbfgs
49      rows=16, cols=16
50        Max. storage: 5
51        Used storage: 4
52        Number of updates: 4
53        Number of rejects: 0
54        Number of resets: 0
55        J0:
56          Mat Object: (snes_tr_qn_pre_mat_lmvm_J0_) 1 MPI process
57            type: diagonal
58            rows=16, cols=16
59              Vec Object: 1 MPI process
60                type: seq
61        Rescale type: diagonal
62        Rescale history: 1
63        Rescale params: alpha=1., beta=0.5, rho=1.
64        Rescale convex factor: theta=0.125
65Number of SNES iterations = 5
66