xref: /petsc/src/ts/tutorials/output/ex20opt_p_1.out (revision df4cd43f92eaa320656440c40edb1046daee8f75)
1  0 TAO,  Function value: 0.0305641,  Residual: 0.0140536
2  1 TAO,  Function value: 0.0120167,  Residual: 0.00811768
3  2 TAO,  Function value: 0.00342817,  Residual: 0.00223305
4  3 TAO,  Function value: 0.00211342,  Residual: 0.0014349
5  4 TAO,  Function value: 0.000810666,  Residual: 0.000650661
6  5 TAO,  Function value: 0.000301229,  Residual: 0.000317393
7  6 TAO,  Function value: 7.64603e-05,  Residual: 0.000132062
8  7 TAO,  Function value: 1.24576e-05,  Residual: 4.64611e-05
9  8 TAO,  Function value: 1.00205e-06,  Residual: 1.2071e-05
10  9 TAO,  Function value: 2.8188e-08,  Residual: 1.95297e-06
11 10 TAO,  Function value: 1.12133e-10,  Residual: 1.22269e-07
12 11 TAO,  Function value: 1.55922e-14,  Residual: 1.44107e-09
13Tao Object: 1 MPI process
14  type: bqnls
15    Tao Object: (tao_bnk_) 1 MPI process
16      type: bncg
17        CG Type: ssml_bfgs
18        Skipped Stepdirection Updates: 0
19        Scaled gradient steps: 0
20        Pure gradient steps: 0
21        Not a descent direction: 0
22        Line search fails: 0
23        Matrix has not been preallocated yet
24      TaoLineSearch Object: (tao_bnk_) 1 MPI process
25        type: more-thuente
26        maximum function evaluations=30
27        tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9
28        total number of function evaluations=0
29        total number of gradient evaluations=0
30        total number of function/gradient evaluations=0
31        Termination reason: 0
32      convergence tolerances: gatol=1e-08,       steptol=0.,       gttol=0.
33      Residual in Function/Gradient:=0.
34      Objective value=0.
35      total number of iterations=0,                              (max: 2000)
36      Solver terminated: 0
37    Rejected BFGS updates: 0
38    CG steps: 0
39    Newton steps: 0
40    BFGS steps: 10
41    Scaled gradient steps: 1
42    Gradient steps: 0
43    KSP termination reasons:
44      atol: 0
45      rtol: 0
46      ctol: 0
47      negc: 0
48      dtol: 0
49      iter: 0
50      othr: 0
51  Mat Object: (tao_bqnls_) 1 MPI process
52    type: lmvmbfgs
53    rows=1, cols=1
54      Scale type: DIAGONAL
55      Scale history: 1
56      Scale params: alpha=1., beta=0.5, rho=1.
57      Convex factors: phi=0., theta=0.125
58      Max. storage: 5
59      Used storage: 5
60      Number of updates: 10
61      Number of rejects: 0
62      Number of resets: 0
63      Mat Object: (tao_bqnls_J0_) 1 MPI process
64        type: lmvmdiagbroyden
65        rows=1, cols=1
66          Scale history: 1
67          Scale params: alpha=1., beta=0.5, rho=1.
68          Convex factor: theta=0.125
69          Max. storage: 1
70          Used storage: 1
71          Number of updates: 10
72          Number of rejects: 0
73          Number of resets: 0
74  TaoLineSearch Object: 1 MPI process
75    type: more-thuente
76    maximum function evaluations=30
77    tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9
78    total number of function evaluations=0
79    total number of gradient evaluations=0
80    total number of function/gradient evaluations=1
81    Termination reason: 1
82  KSP Object: 1 MPI process
83    type: stcg
84    maximum iterations=10000, initial guess is zero
85    tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
86    left preconditioning
87    using DEFAULT norm type for convergence test
88  PC Object: 1 MPI process
89    type: lmvm
90    PC has not been set up so information may be incomplete
91    Mat Object: (tao_bqnls_) 1 MPI process
92      type: lmvmbfgs
93      rows=1, cols=1
94        Scale type: DIAGONAL
95        Scale history: 1
96        Scale params: alpha=1., beta=0.5, rho=1.
97        Convex factors: phi=0., theta=0.125
98        Max. storage: 5
99        Used storage: 5
100        Number of updates: 10
101        Number of rejects: 0
102        Number of resets: 0
103        Mat Object: (tao_bqnls_J0_) 1 MPI process
104          type: lmvmdiagbroyden
105          rows=1, cols=1
106            Scale history: 1
107            Scale params: alpha=1., beta=0.5, rho=1.
108            Convex factor: theta=0.125
109            Max. storage: 1
110            Used storage: 1
111            Number of updates: 10
112            Number of rejects: 0
113            Number of resets: 0
114  total KSP iterations: 0
115  convergence tolerances: gatol=1e-08,   steptol=0.,   gttol=0.
116  Residual in Function/Gradient:=1.44107e-09
117  Objective value=1.55922e-14
118  total number of iterations=11,                          (max: 50)
119  total number of function/gradient evaluations=12,      (max: -1)
120  Solution converged:    ||g(X)|| <= gatol
121Vec Object: 1 MPI process
122  type: seq
1239.99998
124