xref: /petsc/src/tao/bound/tutorials/output/plate2_17.out (revision d5b43468fb8780a8feea140ccd6fa3e6a50411cc)
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    Rejected BFGS updates: 0
30    CG steps: 0
31    Newton steps: 22
32    BFGS steps: 0
33    Scaled gradient steps: 0
34    Gradient steps: 0
35    KSP termination reasons:
36      atol: 0
37      rtol: 22
38      ctol: 0
39      negc: 0
40      dtol: 0
41      iter: 0
42      othr: 0
43  Mat Object: (tao_bnk_pc_lmvm_) 1 MPI process
44    type: lmvmbfgs
45    rows=64, cols=64
46      Scale type: DIAGONAL
47      Scale history: 1
48      Scale params: alpha=1., beta=0.5, rho=1.
49      Convex factors: phi=0., theta=0.125
50      Max. storage: 5
51      Used storage: 5
52      Number of updates: 21
53      Number of rejects: 0
54      Number of resets: 0
55      Mat Object: (tao_bnk_pc_lmvm_J0_) 1 MPI process
56        type: lmvmdiagbroyden
57        rows=64, cols=64
58          Scale history: 1
59          Scale params: alpha=1., beta=0.5, rho=1.
60          Convex factor: theta=0.125
61          Max. storage: 1
62          Used storage: 1
63          Number of updates: 21
64          Number of rejects: 0
65          Number of resets: 0
66  TaoLineSearch Object: 1 MPI process
67    type: more-thuente
68    maximum function evaluations=30
69    tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9
70    total number of function evaluations=0
71    total number of gradient evaluations=0
72    total number of function/gradient evaluations=1
73    using variable bounds
74    Termination reason: 1
75  KSP Object: (tao_bnk_) 1 MPI process
76    type: stcg
77    maximum iterations=10000, initial guess is zero
78    tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
79    left preconditioning
80    using UNPRECONDITIONED norm type for convergence test
81  PC Object: (tao_bnk_) 1 MPI process
82    type: lmvm
83    Mat Object: (tao_bnk_pc_lmvm_) 1 MPI process
84      type: lmvmbfgs
85      rows=64, cols=64
86        Scale type: DIAGONAL
87        Scale history: 1
88        Scale params: alpha=1., beta=0.5, rho=1.
89        Convex factors: phi=0., theta=0.125
90        Max. storage: 5
91        Used storage: 5
92        Number of updates: 21
93        Number of rejects: 0
94        Number of resets: 0
95        Mat Object: (tao_bnk_pc_lmvm_J0_) 1 MPI process
96          type: lmvmdiagbroyden
97          rows=64, cols=64
98            Scale history: 1
99            Scale params: alpha=1., beta=0.5, rho=1.
100            Convex factor: theta=0.125
101            Max. storage: 1
102            Used storage: 1
103            Number of updates: 21
104            Number of rejects: 0
105            Number of resets: 0
106    linear system matrix = precond matrix:
107    Mat Object: 1 MPI process
108      type: submatrix
109      rows=52, cols=52
110  total KSP iterations: 61
111  Active Set subset type: subvec
112  convergence tolerances: gatol=0.0001,   steptol=0.,   gttol=0.
113  Residual in Function/Gradient:=5.30587e-05
114  Objective value=1.60115
115  total number of iterations=22,                          (max: 50)
116  total number of function/gradient evaluations=25,      (max: 4000)
117  Solution converged:    ||g(X)|| <= gatol
118