xref: /petsc/src/tao/bound/tutorials/output/plate2_17.out (revision 98d129c30f3ee9fdddc40fdbc5a989b7be64f888)
1
2---- Minimum Surface Area With Plate Problem -----
3mx:8, my:8, bmx:2, bmy:5, height:0.3
4iter =   0, Function value 1.83917, Residual: 0.44807
5iter =   1, Function value 1.79522, Residual: 0.58077
6iter =   2, Function value 1.68677, Residual: 0.332042
7iter =   3, Function value 1.65405, Residual: 0.477018
8iter =   4, Function value 1.61302, Residual: 0.142922
9iter =   5, Function value 1.60888, Residual: 0.0809677
10iter =   6, Function value 1.60667, Residual: 0.0648005
11iter =   7, Function value 1.60351, Residual: 0.0601214
12iter =   8, Function value 1.60249, Residual: 0.066145
13iter =   9, Function value 1.60164, Residual: 0.0368939
14iter =  10, Function value 1.60133, Residual: 0.0252556
15iter =  11, Function value 1.6012, Residual: 0.0137144
16iter =  12, Function value 1.60116, Residual: 0.00557861
17iter =  13, Function value 1.60115, Residual: 0.00396689
18iter =  14, Function value 1.60115, Residual: 0.00147233
19iter =  15, Function value 1.60115, Residual: 0.00119981
20iter =  16, Function value 1.60115, Residual: 0.00101585
21iter =  17, Function value 1.60115, Residual: 0.00139896
22iter =  18, Function value 1.60115, Residual: 0.000311967
23iter =  19, Function value 1.60115, Residual: 0.000165684
24iter =  20, Function value 1.60115, Residual: 0.000124522
25iter =  21, Function value 1.60115, Residual: 0.000148965
26iter =  22, Function value 1.60115, Residual: 5.30587e-05
27Tao Object: 1 MPI process
28  type: bqnkls
29    Tao Object: (tao_bnk_cg_) 1 MPI process
30      type: bncg
31        CG Type: ssml_bfgs
32        Skipped Stepdirection Updates: 0
33        Scaled gradient steps: 0
34        Pure gradient steps: 0
35        Not a descent direction: 0
36        Line search fails: 0
37        Matrix has not been preallocated yet
38      TaoLineSearch Object: (tao_bnk_cg_) 1 MPI process
39        type: more-thuente
40        maximum function evaluations=30
41        tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9
42        total number of function evaluations=0
43        total number of gradient evaluations=0
44        total number of function/gradient evaluations=0
45        Termination reason: 0
46      Active Set subset type: subvec
47      convergence tolerances: gatol=1e-08,       steptol=0.,       gttol=0.
48      Residual in Function/Gradient:=0.
49      Objective value=0.
50      total number of iterations=0,                              (max: 2000)
51      Solver terminated: 0
52    Rejected BFGS updates: 0
53    CG steps: 0
54    Newton steps: 22
55    BFGS steps: 0
56    Scaled gradient steps: 0
57    Gradient steps: 0
58    KSP termination reasons:
59      atol: 0
60      rtol: 22
61      ctol: 0
62      negc: 0
63      dtol: 0
64      iter: 0
65      othr: 0
66  Mat Object: (tao_bqnk_) 1 MPI process
67    type: lmvmbfgs
68    rows=64, cols=64
69      Scale type: DIAGONAL
70      Scale history: 1
71      Scale params: alpha=1., beta=0.5, rho=1.
72      Convex factors: phi=0., theta=0.125
73      Max. storage: 5
74      Used storage: 5
75      Number of updates: 21
76      Number of rejects: 0
77      Number of resets: 0
78      Mat Object: (tao_bqnk_J0_) 1 MPI process
79        type: lmvmdiagbroyden
80        rows=64, cols=64
81          Scale history: 1
82          Scale params: alpha=1., beta=0.5, rho=1.
83          Convex factor: theta=0.125
84          Max. storage: 1
85          Used storage: 1
86          Number of updates: 21
87          Number of rejects: 0
88          Number of resets: 0
89  TaoLineSearch Object: 1 MPI process
90    type: more-thuente
91    maximum function evaluations=30
92    tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9
93    total number of function evaluations=0
94    total number of gradient evaluations=0
95    total number of function/gradient evaluations=1
96    using variable bounds
97    Termination reason: 1
98  KSP Object: (tao_bnk_) 1 MPI process
99    type: stcg
100    maximum iterations=10000, initial guess is zero
101    tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
102    left preconditioning
103    using UNPRECONDITIONED norm type for convergence test
104  PC Object: (tao_bnk_) 1 MPI process
105    type: lmvm
106    Mat Object: (tao_bqnk_) 1 MPI process
107      type: lmvmbfgs
108      rows=64, cols=64
109        Scale type: DIAGONAL
110        Scale history: 1
111        Scale params: alpha=1., beta=0.5, rho=1.
112        Convex factors: phi=0., theta=0.125
113        Max. storage: 5
114        Used storage: 5
115        Number of updates: 21
116        Number of rejects: 0
117        Number of resets: 0
118        Mat Object: (tao_bqnk_J0_) 1 MPI process
119          type: lmvmdiagbroyden
120          rows=64, cols=64
121            Scale history: 1
122            Scale params: alpha=1., beta=0.5, rho=1.
123            Convex factor: theta=0.125
124            Max. storage: 1
125            Used storage: 1
126            Number of updates: 21
127            Number of rejects: 0
128            Number of resets: 0
129    linear system matrix = precond matrix:
130    Mat Object: 1 MPI process
131      type: submatrix
132      rows=52, cols=52
133  total KSP iterations: 61
134  Active Set subset type: subvec
135  convergence tolerances: gatol=0.0001,   steptol=0.,   gttol=0.
136  Residual in Function/Gradient:=5.30587e-05
137  Objective value=1.60115
138  total number of iterations=22,                          (max: 50)
139  total number of function/gradient evaluations=25,      (max: 4000)
140  Solution converged:    ||g(X)|| <= gatol
141