10 TS dt 8.33333e-06 time 0. 21 TS dt 8.33333e-05 time 8.33333e-06 32 TS dt 0.000833333 time 9.16667e-05 43 TS dt 0.00833333 time 0.000925 54 TS dt 0.0132237 time 0.00925833 65 TS dt 0.0132566 time 0.022482 76 TS dt 0.0132919 time 0.0357387 87 TS dt 0.0133226 time 0.0490305 98 TS dt 0.0133482 time 0.0623531 109 TS dt 0.0133897 time 0.0757014 1110 TS dt 0.0134319 time 0.0890911 1211 TS dt 0.0134682 time 0.102523 1312 TS dt 0.0134978 time 0.115991 1413 TS dt 0.0135226 time 0.129489 1514 TS dt 0.00489716 time 0.133803 1615 TS dt 0.0100093 time 0.138701 1716 TS dt 0.0135687 time 0.14871 1817 TS dt 0.0136082 time 0.162279 1918 TS dt 0.00446971 time 0.166008 2019 TS dt 0.00866287 time 0.170477 2120 TS dt 0.0135473 time 0.17914 2221 TS dt 0.0136978 time 0.192687 2322 TS dt 0.00526418 time 0.197319 2423 TS dt 0.0107839 time 0.202584 2524 TS dt 0.0137429 time 0.213367 2625 TS dt 0.0137688 time 0.22711 2726 TS dt 0.0037576 time 0.229776 2827 TS dt 0.00611756 time 0.233534 2928 TS dt 0.01188 time 0.239651 3029 TS dt 0.0138528 time 0.251531 3130 TS dt 0.0136247 time 0.265384 3231 TS dt 0.00266463 time 0.26702 3332 TS dt 0.00360038 time 0.269684 3433 TS dt 0.00580701 time 0.273285 3534 TS dt 0.0111362 time 0.279092 3635 TS dt 0.013942 time 0.290228 3736 TS dt 0.0138468 time 0.30417 38TS Object: 1 MPI processes 39 type: arkimex 40 ARK IMEX 3 41 Stiff abscissa ct = 0.000000 0.871733 0.600000 1.000000 42 Fully implicit: no 43 Stiffly accurate: yes 44 Explicit first stage: yes 45 FSAL property: yes 46 Nonstiff abscissa c = 0.000000 0.871733 0.600000 1.000000 47 maximum steps=1000 48 maximum time=0.3 49 using relative error tolerance of 0.0001, using absolute error tolerance of 0.0001 50TSAdapt Object: 1 MPI processes 51 type: basic 52 safety factor 0.9 53 extra safety factor after step rejection 0.5 54 clip fastest increase 10. 55 clip fastest decrease 0.1 56 maximum allowed timestep 1e+20 57 minimum allowed timestep 1e-20 58 maximum solution absolute value to be ignored -1. 59SNES Object: 1 MPI processes 60 type: newtonls 61 maximum iterations=50, maximum function evaluations=10000 62 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 63 norm schedule ALWAYS 64 SNESLineSearch Object: 1 MPI processes 65 type: bt 66 interpolation: cubic 67 alpha=1.000000e-04 68 maxstep=1.000000e+08, minlambda=1.000000e-12 69 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 70 maximum iterations=40 71 KSP Object: 1 MPI processes 72 type: gmres 73 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 74 happy breakdown tolerance 1e-30 75 maximum iterations=10000, initial guess is zero 76 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 77 left preconditioning 78 using PRECONDITIONED norm type for convergence test 79 PC Object: 1 MPI processes 80 type: mg 81 type is MULTIPLICATIVE, levels=3 cycles=v 82 Cycles per PCApply=1 83 Not using Galerkin computed coarse grid matrices 84 Coarse grid solver -- level ------------------------------- 85 KSP Object: (mg_coarse_) 1 MPI processes 86 type: preonly 87 maximum iterations=10000, initial guess is zero 88 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 89 left preconditioning 90 using NONE norm type for convergence test 91 PC Object: (mg_coarse_) 1 MPI processes 92 type: lu 93 out-of-place factorization 94 tolerance for zero pivot 2.22045e-14 95 using diagonal shift on blocks to prevent zero pivot [INBLOCKS] 96 matrix ordering: nd 97 factor fill ratio given 5., needed 1.63333 98 Factored matrix follows: 99 Mat Object: 1 MPI processes 100 type: seqaij 101 rows=60, cols=60 102 package used to perform factorization: petsc 103 total: nonzeros=294, allocated nonzeros=294 104 not using I-node routines 105 linear system matrix = precond matrix: 106 Mat Object: 1 MPI processes 107 type: seqaij 108 rows=60, cols=60 109 total: nonzeros=180, allocated nonzeros=180 110 not using I-node routines 111 Down solver (pre-smoother) on level 1 ------------------------------- 112 KSP Object: (mg_levels_1_) 1 MPI processes 113 type: chebyshev 114 eigenvalue estimates used: min = 0.1, max = 1.1 115 eigenvalues estimate via gmres min 1., max 1. 116 eigenvalues estimated using gmres with translations [0. 0.1; 0. 1.1] 117 KSP Object: (mg_levels_1_esteig_) 1 MPI processes 118 type: gmres 119 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 120 happy breakdown tolerance 1e-30 121 maximum iterations=10, initial guess is zero 122 tolerances: relative=1e-12, absolute=1e-50, divergence=10000. 123 left preconditioning 124 using PRECONDITIONED norm type for convergence test 125 estimating eigenvalues using noisy right hand side 126 maximum iterations=3, nonzero initial guess 127 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 128 left preconditioning 129 using NONE norm type for convergence test 130 PC Object: (mg_levels_1_) 1 MPI processes 131 type: sor 132 type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. 133 linear system matrix = precond matrix: 134 Mat Object: 1 MPI processes 135 type: seqaij 136 rows=120, cols=120 137 total: nonzeros=360, allocated nonzeros=360 138 not using I-node routines 139 Up solver (post-smoother) same as down solver (pre-smoother) 140 Down solver (pre-smoother) on level 2 ------------------------------- 141 KSP Object: (mg_levels_2_) 1 MPI processes 142 type: chebyshev 143 eigenvalue estimates used: min = 0.1, max = 1.1 144 eigenvalues estimate via gmres min 1., max 1. 145 eigenvalues estimated using gmres with translations [0. 0.1; 0. 1.1] 146 KSP Object: (mg_levels_2_esteig_) 1 MPI processes 147 type: gmres 148 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 149 happy breakdown tolerance 1e-30 150 maximum iterations=10, initial guess is zero 151 tolerances: relative=1e-12, absolute=1e-50, divergence=10000. 152 left preconditioning 153 using PRECONDITIONED norm type for convergence test 154 estimating eigenvalues using noisy right hand side 155 maximum iterations=3, nonzero initial guess 156 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 157 left preconditioning 158 using NONE norm type for convergence test 159 PC Object: (mg_levels_2_) 1 MPI processes 160 type: sor 161 type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. 162 linear system matrix = precond matrix: 163 Mat Object: 1 MPI processes 164 type: seqaij 165 rows=240, cols=240 166 total: nonzeros=720, allocated nonzeros=720 167 not using I-node routines 168 Up solver (post-smoother) same as down solver (pre-smoother) 169 linear system matrix = precond matrix: 170 Mat Object: 1 MPI processes 171 type: seqaij 172 rows=240, cols=240 173 total: nonzeros=720, allocated nonzeros=720 174 not using I-node routines 175