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 0.0134977 time 0.115991 1413 TS dt 0.0135237 time 0.129489 1514 TS dt 0.00490871 time 0.133782 1615 TS dt 0.010074 time 0.138691 1716 TS dt 0.0135707 time 0.148765 1817 TS dt 0.013607 time 0.162336 1918 TS dt 0.00443555 time 0.165994 2019 TS dt 0.00853853 time 0.17043 2120 TS dt 0.0135363 time 0.178968 2221 TS dt 0.0136954 time 0.192504 2322 TS dt 0.00535735 time 0.197245 2423 TS dt 0.0108939 time 0.202602 2524 TS dt 0.0137448 time 0.213496 2625 TS dt 0.0137631 time 0.227241 2726 TS dt 0.00362895 time 0.229783 2827 TS dt 0.00578029 time 0.233412 2928 TS dt 0.0111986 time 0.239193 3029 TS dt 0.013832 time 0.250391 3130 TS dt 0.013781 time 0.264223 3231 TS dt 0.00305704 time 0.26618 3332 TS dt 0.0043779 time 0.269237 3433 TS dt 0.0076831 time 0.273615 3534 TS dt 0.0135611 time 0.281298 3635 TS dt 0.0139794 time 0.29486 3736 TS dt 0.00580298 time 0.299731 3837 TS dt 0.0115935 time 0.305534 39TS Object: 1 MPI process 40 type: arkimex 41 ARK IMEX 3 42 Stiff abscissa ct = 0.000000 0.871733 0.600000 1.000000 43 Fully implicit: no 44 Stiffly accurate: yes 45 Explicit first stage: yes 46 FSAL property: yes 47 Nonstiff abscissa c = 0.000000 0.871733 0.600000 1.000000 48 maximum steps=1000 49 maximum time=0.3 50 using relative error tolerance of 0.0001, using absolute error tolerance of 0.0001 51 TSAdapt Object: 1 MPI process 52 type: basic 53 safety factor 0.9 54 extra safety factor after step rejection 0.5 55 clip fastest increase 10. 56 clip fastest decrease 0.1 57 maximum allowed timestep 1e+20 58 minimum allowed timestep 1e-20 59 maximum solution absolute value to be ignored -1. 60 SNES Object: 1 MPI process 61 type: newtonls 62 maximum iterations=50, maximum function evaluations=10000 63 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 64 norm schedule ALWAYS 65 SNESLineSearch Object: 1 MPI process 66 type: bt 67 interpolation: cubic 68 alpha=1.000000e-04 69 maxlambda=1.000000e+00, minlambda=1.000000e-12 70 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 71 maximum iterations=40 72 KSP Object: 1 MPI process 73 type: gmres 74 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 75 happy breakdown tolerance 1e-30 76 maximum iterations=10000, initial guess is zero 77 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 78 left preconditioning 79 using PRECONDITIONED norm type for convergence test 80 PC Object: 1 MPI process 81 type: mg 82 type is MULTIPLICATIVE, levels=3 cycles=v 83 Cycles per PCApply=1 84 Not using Galerkin computed coarse grid matrices 85 Coarse grid solver -- level 0 ------------------------------- 86 KSP Object: (mg_coarse_) 1 MPI process 87 type: preonly 88 maximum iterations=10000, initial guess is zero 89 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 90 left preconditioning 91 using NONE norm type for convergence test 92 PC Object: (mg_coarse_) 1 MPI process 93 type: lu 94 out-of-place factorization 95 tolerance for zero pivot 2.22045e-14 96 using diagonal shift on blocks to prevent zero pivot [INBLOCKS] 97 matrix ordering: nd 98 factor fill ratio given 5., needed 1.63333 99 Factored matrix follows: 100 Mat Object: (mg_coarse_) 1 MPI process 101 type: seqaij 102 rows=60, cols=60 103 package used to perform factorization: petsc 104 total: nonzeros=294, allocated nonzeros=294 105 not using I-node routines 106 linear system matrix = precond matrix: 107 Mat Object: 1 MPI process 108 type: seqaij 109 rows=60, cols=60 110 total: nonzeros=180, allocated nonzeros=180 111 not using I-node routines 112 Down solver (pre-smoother) on level 1 ------------------------------- 113 KSP Object: (mg_levels_1_) 1 MPI process 114 type: chebyshev 115 Chebyshev polynomial of first kind 116 eigenvalue targets used: min 0.1, max 1.1 117 eigenvalues estimated via gmres: min 1., max 1. 118 eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1] 119 KSP Object: (mg_levels_1_esteig_) 1 MPI process 120 type: gmres 121 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 122 happy breakdown tolerance 1e-30 123 maximum iterations=10, initial guess is zero 124 tolerances: relative=1e-12, absolute=1e-50, divergence=10000. 125 left preconditioning 126 using PRECONDITIONED norm type for convergence test 127 estimating eigenvalues using a noisy random number generated right-hand side 128 maximum iterations=3, nonzero initial guess 129 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 130 left preconditioning 131 using NONE norm type for convergence test 132 PC Object: (mg_levels_1_) 1 MPI process 133 type: sor 134 type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. 135 linear system matrix = precond matrix: 136 Mat Object: 1 MPI process 137 type: seqaij 138 rows=120, cols=120 139 total: nonzeros=360, allocated nonzeros=360 140 not using I-node routines 141 Up solver (post-smoother) same as down solver (pre-smoother) 142 Down solver (pre-smoother) on level 2 ------------------------------- 143 KSP Object: (mg_levels_2_) 1 MPI process 144 type: chebyshev 145 Chebyshev polynomial of first kind 146 eigenvalue targets used: min 0.1, max 1.1 147 eigenvalues estimated via gmres: min 1., max 1. 148 eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1] 149 KSP Object: (mg_levels_2_esteig_) 1 MPI process 150 type: gmres 151 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 152 happy breakdown tolerance 1e-30 153 maximum iterations=10, initial guess is zero 154 tolerances: relative=1e-12, absolute=1e-50, divergence=10000. 155 left preconditioning 156 using PRECONDITIONED norm type for convergence test 157 estimating eigenvalues using a noisy random number generated right-hand side 158 maximum iterations=3, nonzero initial guess 159 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 160 left preconditioning 161 using NONE norm type for convergence test 162 PC Object: (mg_levels_2_) 1 MPI process 163 type: sor 164 type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. 165 linear system matrix = precond matrix: 166 Mat Object: 1 MPI process 167 type: seqaij 168 rows=240, cols=240 169 total: nonzeros=720, allocated nonzeros=720 170 not using I-node routines 171 Up solver (post-smoother) same as down solver (pre-smoother) 172 linear system matrix = precond matrix: 173 Mat Object: 1 MPI process 174 type: seqaij 175 rows=240, cols=240 176 total: nonzeros=720, allocated nonzeros=720 177 not using I-node routines 178