Preconditioner - HYPRE - EUCLID
Usage:
-pc_type hypre -pc_hypre_type euclid
Options:
-pc_hypre_euclid_levels
Number of levels of fill ILU(k). Default = 1
-pc_hypre_euclid_bj
Use block Jacobi ILU(k)
-pc_hypre_euclid_print_statistics
Print statistics
Info: Since the hypre preconditioner can be utilized as a solver as well, sometimes this should be run with the option
-ksp_type preonly