xref: /petsc/src/ts/tutorials/output/ex20opt_ic_2.out (revision 76be6f4ff3bd4e251c19fc00ebbebfd58b6e7589)
1c4762a1bSJed Brown  0 TAO,  Function value: 0.155766,  Residual: 1.23421
2c4762a1bSJed Brown  0 TAO,  Function value: 0.0322952,  Residual: 0.727598
3*76be6f4fSStefano Zampini  1 TAO,  Function value: 0.0139605,  Residual: 0.773901
4*76be6f4fSStefano Zampini  2 TAO,  Function value: 0.00073508,  Residual: 0.151866
5*76be6f4fSStefano Zampini  3 TAO,  Function value: 2.37601e-06,  Residual: 0.00829695
6*76be6f4fSStefano Zampini  4 TAO,  Function value: 3.36305e-11,  Residual: 3.1135e-05
7*76be6f4fSStefano Zampini  5 TAO,  Function value: 6.78053e-21,  Residual: 4.42089e-10
88cc725e6SPierre JolivetTao Object: 1 MPI process
9c4762a1bSJed Brown  type: bntr
10c4762a1bSJed Brown    CG steps: 0
11c4762a1bSJed Brown    Newton steps: 5
12c4762a1bSJed Brown    Scaled gradient steps: 0
13c4762a1bSJed Brown    Gradient steps: 0
14c4762a1bSJed Brown    KSP termination reasons:
15c4762a1bSJed Brown      atol: 0
16c4762a1bSJed Brown      rtol: 2
17c4762a1bSJed Brown      ctol: 1
18c4762a1bSJed Brown      negc: 2
19c4762a1bSJed Brown      dtol: 0
20c4762a1bSJed Brown      iter: 0
21c4762a1bSJed Brown      othr: 0
228cc725e6SPierre Jolivet  TaoLineSearch Object: 1 MPI process
23c4762a1bSJed Brown    type: more-thuente
24c4762a1bSJed Brown    maximum function evaluations=30
25c4762a1bSJed Brown    tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9
26c4762a1bSJed Brown    total number of function evaluations=0
27c4762a1bSJed Brown    total number of gradient evaluations=0
28c4762a1bSJed Brown    total number of function/gradient evaluations=0
29c4762a1bSJed Brown    Termination reason: 0
308cc725e6SPierre Jolivet  KSP Object: (tao_bnk_) 1 MPI process
31c4762a1bSJed Brown    type: stcg
32c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
33c4762a1bSJed Brown    tolerances:  relative=1e-05, absolute=1e-50, divergence=10000.
34c4762a1bSJed Brown    left preconditioning
35c4762a1bSJed Brown    using UNPRECONDITIONED norm type for convergence test
368cc725e6SPierre Jolivet  PC Object: (tao_bnk_) 1 MPI process
37c4762a1bSJed Brown    type: none
38c4762a1bSJed Brown    linear system matrix = precond matrix:
398cc725e6SPierre Jolivet    Mat Object: 1 MPI process
40c4762a1bSJed Brown      type: shell
41c4762a1bSJed Brown      rows=2, cols=2
42c4762a1bSJed Brown  total KSP iterations: 8
43c4762a1bSJed Brown  convergence tolerances: gatol=1e-08,   steptol=0.,   gttol=0.
44*76be6f4fSStefano Zampini  Residual in Function/Gradient:=4.42089e-10
45*76be6f4fSStefano Zampini  Objective value=6.78053e-21
46c4762a1bSJed Brown  total number of iterations=5,                          (max: 50)
47c4762a1bSJed Brown  total number of function/gradient evaluations=17,      (max: 4000)
48c4762a1bSJed Brown  total number of Hessian evaluations=6
49c4762a1bSJed Brown  Solution converged:    ||g(X)|| <= gatol
50