# Options for the Krylov solver
-ksp_view
-ksp_converged_reason
# Options for the preconditioner
-pc_type gamg
-pc_gamg_type agg
-pc_gamg_agg_nsmooths 1
-pc_gamg_coarse_eq_limit 100
-pc_gamg_reuse_interpolation
-pc_gamg_square_graph 1
-pc_gamg_threshold 0.0
-mg_levels_ksp_max_it 2
-mg_levels_ksp_type chebyshev
-mg_levels_esteig_ksp_type cg
-mg_levels_esteig_ksp_max_it 10
-mg_levels_ksp_chebyshev_esteig 0,0.05,0,1.05
-pc_gamg_use_sa_esteig 0
-mg_levels_pc_type sor