1*c4762a1bSJed Brown-da_grid_x 5 2*c4762a1bSJed Brown-da_grid_y 5 3*c4762a1bSJed Brown-dmmg_nlevels 3 4*c4762a1bSJed Brown 5*c4762a1bSJed Brown-snes_atol 1.e-12 6*c4762a1bSJed Brown 7*c4762a1bSJed Brown-ksp_type gmres 8*c4762a1bSJed Brown-ksp_atol 1.e-14 9*c4762a1bSJed Brown-ksp_left_pc 10*c4762a1bSJed Brown 11*c4762a1bSJed Brown-mg_coarse_pc_type lu 12*c4762a1bSJed Brown-mg_coarse_pc_lu_damping 13*c4762a1bSJed Brown-mg_levels_pc_type sor 14*c4762a1bSJed Brown-mg_levels_pc_sor_local_symmetric 15*c4762a1bSJed Brown-mg_levels_ksp_type richardson 16*c4762a1bSJed Brown 17