1lid velocity = 0.0625, prandtl # = 1., grashof # = 1. 2SNES Object: 1 MPI processes 3 type: newtonls 4 maximum iterations=50, maximum function evaluations=10000 5 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 6 total number of linear solver iterations=2 7 total number of function evaluations=3 8 norm schedule ALWAYS 9 Jacobian is built using colored finite differences on a DMDA 10 SNESLineSearch Object: 1 MPI processes 11 type: bt 12 interpolation: cubic 13 alpha=1.000000e-04 14 maxstep=1.000000e+08, minlambda=1.000000e-12 15 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 16 maximum iterations=40 17 KSP Object: 1 MPI processes 18 type: gmres 19 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 20 happy breakdown tolerance 1e-30 21 maximum iterations=10000, initial guess is zero 22 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 23 left preconditioning 24 using PRECONDITIONED norm type for convergence test 25 PC Object: 1 MPI processes 26 type: asm 27 total subdomain blocks = 1, amount of overlap = 1 28 restriction/interpolation type - RESTRICT 29 Local solver is the same for all blocks, as in the following KSP and PC objects on rank 0: 30 KSP Object: (sub_) 1 MPI processes 31 type: preonly 32 maximum iterations=10000, initial guess is zero 33 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 34 left preconditioning 35 using NONE norm type for convergence test 36 PC Object: (sub_) 1 MPI processes 37 type: ilu 38 out-of-place factorization 39 0 levels of fill 40 tolerance for zero pivot 2.22045e-14 41 matrix ordering: external 42 factor fill ratio given 0., needed 0. 43 Factored matrix follows: 44 Mat Object: 1 MPI processes 45 type: seqdense 46 rows=64, cols=64 47 package used to perform factorization: petsc 48 total: nonzeros=4096, allocated nonzeros=4096 49 linear system matrix = precond matrix: 50 Mat Object: 1 MPI processes 51 type: seqdense 52 rows=64, cols=64 53 total: nonzeros=4096, allocated nonzeros=4096 54 total number of mallocs used during MatSetValues calls=0 55 linear system matrix = precond matrix: 56 Mat Object: 1 MPI processes 57 type: seqaij 58 rows=64, cols=64, bs=4 59 total: nonzeros=1024, allocated nonzeros=1024 60 total number of mallocs used during MatSetValues calls=0 61 using I-node routines: found 16 nodes, limit used is 5 62Number of SNES iterations = 2 63