# Dump info about the Krylov solver
-ksp_view

# BDDC verbose output
#-pc_bddc_check_level 1

# tell BDDC not to use the connectivity graph
# induced by the sparsity pattern of the local
# operators
-pc_bddc_use_local_mat_graph 0

# Deluxe scaling (needs PETSc compiled with support for MUMPS)
#-pc_bddc_use_deluxe_scaling

# Use adaptive construction of BDDC coarse space
#-pc_bddc_adaptive_threshold 10

# Customization of the local solvers
# With PETSc versions older than 3.9
# use "mat_solver_package" instead of "mat_solver_type"
#
#-pc_bddc_neumann_pc_factor_mat_solver_type mumps
#-pc_bddc_dirichlet_pc_factor_mat_solver_type mumps
#-pc_bddc_coarse_pc_type cholesky
#-pc_bddc_coarse_pc_factor_mat_solver_type mumps