xref: /petsc/src/ts/tutorials/output/ex19_pi42.out (revision 70646cd191a02c3aba559ba717dac5da7a8a1e20)
1c4762a1bSJed Brown[0.0]   0 TS 0.000000 (dt = 0.001000) X  0.000000e+00  0.000000e+00
2c4762a1bSJed Brown[0.1]   9 TS 0.109097 (dt = 0.033863) X -1.767090e+00 -2.302659e+00
3c4762a1bSJed Brown[0.2]  12 TS 0.216172 (dt = 0.037715) X -1.539539e+00 -2.248191e+00
4c4762a1bSJed Brown[0.3]  15 TS 0.328946 (dt = 0.036756) X -1.317536e+00 -2.191679e+00
5c4762a1bSJed Brown[0.4]  17 TS 0.401712 (dt = 0.035172) X -1.101300e+00 -2.132851e+00
6c4762a1bSJed Brown[0.5]  20 TS 0.504523 (dt = 0.032431) X -8.910767e-01 -2.071367e+00
78cc725e6SPierre JolivetTS Object: 1 MPI process
8c4762a1bSJed Brown  type: bdf
9c4762a1bSJed Brown    Order=2
10188af4bfSBarry Smith  initial time step=0.001
11c4762a1bSJed Brown  maximum time=0.5
12188af4bfSBarry Smith  maximum number of step rejections=10
13188af4bfSBarry Smith  maximum number of SNES failures allowed=1
14a6ab3590SBarry Smith  total number of I function evaluations=114
15a6ab3590SBarry Smith  total number of I Jacobian evaluations=93
16c4762a1bSJed Brown  total number of nonlinear solver iterations=93
17c4762a1bSJed Brown  total number of linear solver iterations=93
18c4762a1bSJed Brown  total number of nonlinear solve failures=0
19c4762a1bSJed Brown  total number of rejected steps=0
20c4762a1bSJed Brown  using relative error tolerance of 1e-06,   using absolute error tolerance of 1e-06
218cc725e6SPierre Jolivet  TSAdapt Object: 1 MPI process
22c4762a1bSJed Brown    type: dsp
23c4762a1bSJed Brown    safety factor 0.9
24c4762a1bSJed Brown    extra safety factor after step rejection 1.
25c4762a1bSJed Brown    clip fastest increase 2.
26c4762a1bSJed Brown    clip fastest decrease 0.1
27c4762a1bSJed Brown    maximum allowed timestep 1e+20
28c4762a1bSJed Brown    minimum allowed timestep 1e-20
29c4762a1bSJed Brown    maximum solution absolute value to be ignored -1.
30c4762a1bSJed Brown    filter parameters kBeta=[0.6,-0.2,0.] Alpha=[0.,0.]
318cc725e6SPierre Jolivet  SNES Object: 1 MPI process
32c4762a1bSJed Brown    type: newtonls
33c4762a1bSJed Brown    maximum iterations=50, maximum function evaluations=10000
34c4762a1bSJed Brown    tolerances: relative=1e-08, absolute=1e-50, solution=1e-08
35c4762a1bSJed Brown    total number of linear solver iterations=6
36c4762a1bSJed Brown    total number of function evaluations=7
37c4762a1bSJed Brown    norm schedule ALWAYS
388cc725e6SPierre Jolivet    SNESLineSearch Object: 1 MPI process
39c4762a1bSJed Brown      type: bt
40c4762a1bSJed Brown        interpolation: cubic
41c4762a1bSJed Brown        alpha=1.000000e-04
42a99ef635SJonas Heinzmann      maxlambda=1.000000e+00, minlambda=1.000000e-12
43c4762a1bSJed Brown      tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08
44c4762a1bSJed Brown      maximum iterations=40
458cc725e6SPierre Jolivet    KSP Object: 1 MPI process
46c4762a1bSJed Brown      type: gmres
47f971d498SPierre Jolivet        restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement
48*143f2514SPierre Jolivet        happy breakdown tolerance=1e-30
49c4762a1bSJed Brown      maximum iterations=10000, initial guess is zero
50c4762a1bSJed Brown      tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
51c4762a1bSJed Brown      left preconditioning
52c4762a1bSJed Brown      using PRECONDITIONED norm type for convergence test
538cc725e6SPierre Jolivet    PC Object: 1 MPI process
54c4762a1bSJed Brown      type: ilu
55c4762a1bSJed Brown        out-of-place factorization
56c4762a1bSJed Brown        0 levels of fill
57c4762a1bSJed Brown        tolerance for zero pivot 2.22045e-14
58c4762a1bSJed Brown        matrix ordering: natural
59c4762a1bSJed Brown        factor fill ratio given 1., needed 1.
60ecf3d421SBarry Smith          Factored matrix:
618cc725e6SPierre Jolivet            Mat Object: 1 MPI process
62c4762a1bSJed Brown              type: seqaij
63c4762a1bSJed Brown              rows=2, cols=2
64c4762a1bSJed Brown              package used to perform factorization: petsc
65c4762a1bSJed Brown              total: nonzeros=4, allocated nonzeros=4
66c4762a1bSJed Brown                using I-node routines: found 1 nodes, limit used is 5
67ecf3d421SBarry Smith      linear system matrix, which is also used to construct the preconditioner:
688cc725e6SPierre Jolivet      Mat Object: 1 MPI process
69c4762a1bSJed Brown        type: seqaij
70c4762a1bSJed Brown        rows=2, cols=2
71c4762a1bSJed Brown        total: nonzeros=4, allocated nonzeros=4
72c4762a1bSJed Brown        total number of mallocs used during MatSetValues calls=0
73c4762a1bSJed Brown          using I-node routines: found 1 nodes, limit used is 5
74c4762a1bSJed Brownsteps  20, ftime 0.504523
758cc725e6SPierre JolivetVec Object: 1 MPI process
76c4762a1bSJed Brown  type: seq
77c4762a1bSJed Brown-0.881713
78c4762a1bSJed Brown-2.06852
79