xref: /petsc/src/tao/bound/tutorials/output/plate2_13.out (revision eaa7cf455101e7391ead982166c6e99faf273403)
1c4762a1bSJed Brown
2c4762a1bSJed Brown---- Minimum Surface Area With Plate Problem -----
3c4762a1bSJed Brownmx:8, my:6, bmx:3, bmy:3, height:0.2
4c4762a1bSJed Browniter =   0, Function value 1.67039, Residual: 0.47529
5c4762a1bSJed Brown  iter =   0,   Function value 1.67039,   Residual: 0.47529
6c4762a1bSJed Brown  iter =   0,   Function value 1.57666,   Residual: 0.422933
7c4762a1bSJed Brown  iter =   1,   Function value 1.5357,   Residual: 0.235251
8c4762a1bSJed Brown  iter =   2,   Function value 1.52086,   Residual: 0.15742
9c4762a1bSJed Brown  iter =   3,   Function value 1.51361,   Residual: 0.261202
10c4762a1bSJed Browniter =   1, Function value 1.50846, Residual: 0.0892734
11c4762a1bSJed Brown  iter =   0,   Function value 1.50846,   Residual: 0.0892734
12c4762a1bSJed Brown  iter =   1,   Function value 1.50774,   Residual: 0.122322
1309fb3ddcSToby Isaac  iter =   2,   Function value 1.50673,   Residual: 0.0503806
1409fb3ddcSToby Isaac  iter =   3,   Function value 1.50629,   Residual: 0.0253068
1509fb3ddcSToby Isaaciter =   2, Function value 1.50583, Residual: 0.0192543
1609fb3ddcSToby Isaac  iter =   0,   Function value 1.50583,   Residual: 0.0192543
1709fb3ddcSToby Isaac  iter =   1,   Function value 1.50578,   Residual: 0.0190568
1809fb3ddcSToby Isaac  iter =   2,   Function value 1.50573,   Residual: 0.00800704
1909fb3ddcSToby Isaac  iter =   3,   Function value 1.50569,   Residual: 0.00748069
2009fb3ddcSToby Isaaciter =   3, Function value 1.50566, Residual: 6.63642e-05
2109fb3ddcSToby Isaac  iter =   0,   Function value 1.50566,   Residual: 6.63642e-05
2209fb3ddcSToby Isaac  iter =   1,   Function value 1.50566,   Residual: 8.18996e-05
2309fb3ddcSToby Isaac  iter =   2,   Function value 1.50566,   Residual: 2.45135e-05
2409fb3ddcSToby Isaac  iter =   3,   Function value 1.50566,   Residual: 1.5701e-05
25c4762a1bSJed Browniter =   4, Function value 1.50566, Residual: < 1.0e-6
268cc725e6SPierre JolivetTao Object: 1 MPI process
27c4762a1bSJed Brown  type: bnls
28b17ffb64SBarry Smith    Tao Object: (tao_bnk_cg_) 1 MPI process
29b17ffb64SBarry Smith      type: bncg
30b17ffb64SBarry Smith        CG Type: ssml_bfgs
31b17ffb64SBarry Smith        Skipped Stepdirection Updates: 1
32b17ffb64SBarry Smith        Scaled gradient steps: 0
33b17ffb64SBarry Smith        Pure gradient steps: 0
34b17ffb64SBarry Smith        Not a descent direction: 0
35b17ffb64SBarry Smith        Line search fails: 0
36b17ffb64SBarry Smith        Mat Object: (tao_bnk_cg_tao_bncg_) 1 MPI process
37b17ffb64SBarry Smith          type: lmvmdiagbroyden
38b17ffb64SBarry Smith          rows=48, cols=48
39b17ffb64SBarry Smith            Max. storage: 1
40b17ffb64SBarry Smith            Used storage: 1
41b17ffb64SBarry Smith            Number of updates: 8
42b17ffb64SBarry Smith            Number of rejects: 0
43b17ffb64SBarry Smith            Number of resets: 4
4409fb3ddcSToby Isaac            J0:
4509fb3ddcSToby Isaac              Mat Object: (tao_bnk_cg_tao_bncg_mat_lmvm_J0_) 1 MPI process
4609fb3ddcSToby Isaac                type: diagonal
4709fb3ddcSToby Isaac                rows=48, cols=48
4809fb3ddcSToby Isaac                  Vec Object: 1 MPI process
4909fb3ddcSToby Isaac                    type: seq
5009fb3ddcSToby Isaac            Rescale type: diagonal
5109fb3ddcSToby Isaac            Rescale history: 1
5209fb3ddcSToby Isaac            Rescale params: alpha=1., beta=0.5, rho=1.
5309fb3ddcSToby Isaac            Rescale convex factor: theta=0.
54b17ffb64SBarry Smith      TaoLineSearch Object: (tao_bnk_cg_) 1 MPI process
55b17ffb64SBarry Smith        type: more-thuente
56b17ffb64SBarry Smith        maximum function evaluations=30
57b17ffb64SBarry Smith        tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9
58b17ffb64SBarry Smith        total number of function evaluations=0
59b17ffb64SBarry Smith        total number of gradient evaluations=0
60b17ffb64SBarry Smith        total number of function/gradient evaluations=1
61b17ffb64SBarry Smith        using variable bounds
621404853cSMatthew G. Knepley        Termination reason: SUCCESS
63b17ffb64SBarry Smith      Active Set subset type: subvec
64606f75f6SBarry Smith      convergence tolerances: gatol=1e-05,       grtol=1e-08,       steptol=0.,       gttol=0.
6509fb3ddcSToby Isaac      Residual in Function/Gradient:=1.5701e-05
66b17ffb64SBarry Smith      Objective value=1.50566
67b17ffb64SBarry Smith      total number of iterations=3,                              (max: 3)
68b17ffb64SBarry Smith      total number of function/gradient evaluations=6,          (max: 4000)
69606f75f6SBarry Smith      Solver failed:        Maximum Iterations
70c4762a1bSJed Brown    Rejected BFGS updates: 0
71c4762a1bSJed Brown    CG steps: 12
72c4762a1bSJed Brown    Newton steps: 3
73c4762a1bSJed Brown    BFGS steps: 0
74c4762a1bSJed Brown    Scaled gradient steps: 1
75c4762a1bSJed Brown    Gradient steps: 0
76c4762a1bSJed Brown    KSP termination reasons:
77c4762a1bSJed Brown      atol: 0
78c4762a1bSJed Brown      rtol: 3
79c4762a1bSJed Brown      ctol: 1
80c4762a1bSJed Brown      negc: 0
81c4762a1bSJed Brown      dtol: 0
82c4762a1bSJed Brown      iter: 0
83c4762a1bSJed Brown      othr: 0
848cc725e6SPierre Jolivet  TaoLineSearch Object: 1 MPI process
85c4762a1bSJed Brown    type: more-thuente
86c4762a1bSJed Brown    maximum function evaluations=30
87c4762a1bSJed Brown    tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9
88c4762a1bSJed Brown    total number of function evaluations=0
89c4762a1bSJed Brown    total number of gradient evaluations=0
90c4762a1bSJed Brown    total number of function/gradient evaluations=1
91c4762a1bSJed Brown    using variable bounds
921404853cSMatthew G. Knepley    Termination reason: SUCCESS
938cc725e6SPierre Jolivet  KSP Object: (tao_bnk_) 1 MPI process
94c4762a1bSJed Brown    type: stcg
95c4762a1bSJed Brown    maximum iterations=10000, initial guess is zero
96c4762a1bSJed Brown    tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
97c4762a1bSJed Brown    left preconditioning
98c4762a1bSJed Brown    using UNPRECONDITIONED norm type for convergence test
998cc725e6SPierre Jolivet  PC Object: (tao_bnk_) 1 MPI process
100c4762a1bSJed Brown    type: lmvm
1010e02354eSStefano Zampini    Mat Object: (tao_bnk_pc_lmvm_) 1 MPI process
102c4762a1bSJed Brown      type: lmvmbfgs
103c4762a1bSJed Brown      rows=48, cols=48
104c4762a1bSJed Brown        Max. storage: 5
105c4762a1bSJed Brown        Used storage: 3
106c4762a1bSJed Brown        Number of updates: 3
107c4762a1bSJed Brown        Number of rejects: 0
108c4762a1bSJed Brown        Number of resets: 1
10909fb3ddcSToby Isaac        J0:
11009fb3ddcSToby Isaac          Mat Object: (tao_bnk_pc_lmvm_mat_lmvm_J0_) 1 MPI process
11109fb3ddcSToby Isaac            type: diagonal
112c4762a1bSJed Brown            rows=48, cols=48
11309fb3ddcSToby Isaac              Vec Object: 1 MPI process
11409fb3ddcSToby Isaac                type: seq
11509fb3ddcSToby Isaac        Rescale type: diagonal
11609fb3ddcSToby Isaac        Rescale history: 1
11709fb3ddcSToby Isaac        Rescale params: alpha=1., beta=0.5, rho=1.
11809fb3ddcSToby Isaac        Rescale convex factor: theta=0.125
119*ecf3d421SBarry Smith    linear system matrix, which is also used to construct the preconditioner:
1208cc725e6SPierre Jolivet    Mat Object: 1 MPI process
121c4762a1bSJed Brown      type: seqaij
122c4762a1bSJed Brown      rows=40, cols=40
12377433607SBarry Smith      total: nonzeros=228, allocated nonzeros=228
124c4762a1bSJed Brown      total number of mallocs used during MatSetValues calls=0
125c4762a1bSJed Brown        not using I-node routines
12609fb3ddcSToby Isaac  total KSP iterations: 60
127c4762a1bSJed Brown  Active Set subset type: subvec
128606f75f6SBarry Smith  convergence tolerances: gatol=1e-05,   grtol=1e-08,   steptol=0.,   gttol=0.
12909fb3ddcSToby Isaac  Residual in Function/Gradient:=1.51576e-08
130c4762a1bSJed Brown  Objective value=1.50566
131c4762a1bSJed Brown  total number of iterations=4,                          (max: 50)
132606f75f6SBarry Smith  total number of function/gradient evaluations=35,      (max: unlimited)
133c4762a1bSJed Brown  total number of Hessian evaluations=4
134c4762a1bSJed Brown  Solution converged:    ||g(X)|| <= gatol
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