| -mat_type mpibaij | - sets the matrix type to "mpibaij" during a call to MatSetFromOptions() | |
| -mat_block_size <bs> | - set the blocksize used to store the matrix | |
| -mat_baij_mult_version version | - indicate the version of the matrix-vector product to use (0 often indicates using BLAS) | |
| -mat_use_hash_table <fact> | - set hash table factor |