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 0.0135238 time 0.129489 1514 TS dt 0.00494253 time 0.133832 1615 TS dt 0.0101592 time 0.138775 1716 TS dt 0.0135719 time 0.148934 1817 TS dt 0.0136045 time 0.162506 1918 TS dt 0.00437533 time 0.16608 2019 TS dt 0.00831549 time 0.170455 2120 TS dt 0.013504 time 0.17877 2221 TS dt 0.0136927 time 0.192274 2322 TS dt 0.00553705 time 0.19724 2423 TS dt 0.010971 time 0.202777 2524 TS dt 0.0137439 time 0.213748 2625 TS dt 0.0137512 time 0.227492 2726 TS dt 0.00340744 time 0.229825 2827 TS dt 0.00522351 time 0.233233 2928 TS dt 0.00987025 time 0.238456 3029 TS dt 0.0138095 time 0.248327 3130 TS dt 0.0138628 time 0.262136 3231 TS dt 0.00395333 time 0.264939 3332 TS dt 0.00660476 time 0.268892 3433 TS dt 0.0126727 time 0.275497 3534 TS dt 0.0139527 time 0.288169 3635 TS dt 0.0132832 time 0.302122 37TS Object: 1 MPI process 38 type: arkimex 39 ARK IMEX 3 40 Stiff abscissa ct = 0.000000 0.871733 0.600000 1.000000 41 Fully implicit: no 42 Stiffly accurate: yes 43 Explicit first stage: yes 44 FSAL property: yes 45 Nonstiff abscissa c = 0.000000 0.871733 0.600000 1.000000 46 maximum steps=1000 47 maximum time=0.3 48 using relative error tolerance of 0.0001, using absolute error tolerance of 0.0001 49 TSAdapt Object: 1 MPI process 50 type: basic 51 safety factor 0.9 52 extra safety factor after step rejection 0.5 53 clip fastest increase 10. 54 clip fastest decrease 0.1 55 maximum allowed timestep 1e+20 56 minimum allowed timestep 1e-20 57 maximum solution absolute value to be ignored -1. 58 SNES Object: 1 MPI process 59 type: newtonls 60 maximum iterations=50, maximum function evaluations=10000 61 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 62 norm schedule ALWAYS 63 SNESLineSearch Object: 1 MPI process 64 type: bt 65 interpolation: cubic 66 alpha=1.000000e-04 67 maxstep=1.000000e+08, minlambda=1.000000e-12 68 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 69 maximum iterations=40 70 KSP Object: 1 MPI process 71 type: gmres 72 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 73 happy breakdown tolerance 1e-30 74 maximum iterations=10000, initial guess is zero 75 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 76 left preconditioning 77 using PRECONDITIONED norm type for convergence test 78 PC Object: 1 MPI process 79 type: mg 80 type is MULTIPLICATIVE, levels=3 cycles=v 81 Cycles per PCApply=1 82 Not using Galerkin computed coarse grid matrices 83 Coarse grid solver -- level 0 ------------------------------- 84 KSP Object: (mg_coarse_) 1 MPI process 85 type: preonly 86 maximum iterations=10000, initial guess is zero 87 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 88 left preconditioning 89 using NONE norm type for convergence test 90 PC Object: (mg_coarse_) 1 MPI process 91 type: lu 92 out-of-place factorization 93 tolerance for zero pivot 2.22045e-14 94 using diagonal shift on blocks to prevent zero pivot [INBLOCKS] 95 matrix ordering: nd 96 factor fill ratio given 5., needed 1.63333 97 Factored matrix follows: 98 Mat Object: (mg_coarse_) 1 MPI process 99 type: seqaij 100 rows=60, cols=60 101 package used to perform factorization: petsc 102 total: nonzeros=294, allocated nonzeros=294 103 not using I-node routines 104 linear system matrix = precond matrix: 105 Mat Object: 1 MPI process 106 type: seqaij 107 rows=60, cols=60 108 total: nonzeros=180, allocated nonzeros=180 109 not using I-node routines 110 Down solver (pre-smoother) on level 1 ------------------------------- 111 KSP Object: (mg_levels_1_) 1 MPI process 112 type: chebyshev 113 Chebyshev polynomial of first kind 114 eigenvalue targets used: min 0.1, max 1.1 115 eigenvalues estimated via gmres: min 1., max 1. 116 eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1] 117 KSP Object: (mg_levels_1_esteig_) 1 MPI process 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 a noisy random number generated 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 process 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 process 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 process 142 type: chebyshev 143 Chebyshev polynomial of first kind 144 eigenvalue targets used: min 0.1, max 1.1 145 eigenvalues estimated via gmres: min 1., max 1. 146 eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1] 147 KSP Object: (mg_levels_2_esteig_) 1 MPI process 148 type: gmres 149 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 150 happy breakdown tolerance 1e-30 151 maximum iterations=10, initial guess is zero 152 tolerances: relative=1e-12, absolute=1e-50, divergence=10000. 153 left preconditioning 154 using PRECONDITIONED norm type for convergence test 155 estimating eigenvalues using a noisy random number generated right-hand side 156 maximum iterations=3, nonzero initial guess 157 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 158 left preconditioning 159 using NONE norm type for convergence test 160 PC Object: (mg_levels_2_) 1 MPI process 161 type: sor 162 type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. 163 linear system matrix = precond matrix: 164 Mat Object: 1 MPI process 165 type: seqaij 166 rows=240, cols=240 167 total: nonzeros=720, allocated nonzeros=720 168 not using I-node routines 169 Up solver (post-smoother) same as down solver (pre-smoother) 170 linear system matrix = precond matrix: 171 Mat Object: 1 MPI process 172 type: seqaij 173 rows=240, cols=240 174 total: nonzeros=720, allocated nonzeros=720 175 not using I-node routines 176