# Sample options for BDDC

-ksp_converged_reason
-ksp_view
-pc_type bddc

# Turn on diagnostic for errors
#-pc_bddc_check_level 1

# This is an H1 problem, local problems may be singular
# Turn on automatic corner selection
-pc_bddc_corner_selection

# Advanced customization

# Deluxe scaling
-pc_bddc_use_deluxe_scaling

# Adaptive primal space (requires PETSc configured with MUMPS or PARDISO support)
#-pc_bddc_adaptive_threshold 1.2 # tolerance for eigenvalue selection
#-pc_bddc_adaptive_userdefined # preserve RBMs
#-pc_bddc_monolithic # treat all displacements components at once -> smaller primal spaces, larger eigenvalue problems

# Select solver for coarse problem
# -pc_bddc_coarse_pc_type cholesky