#include "petscsf.h" PetscErrorCode PetscSFSetFromOptions(PetscSF sf)Logically Collective
| -sf_type | - implementation type, see PetscSFSetType() | |
| -sf_rank_order | - sort composite points for gathers and scatters in rank order, gathers are non-deterministic otherwise | |
| -sf_use_pinned_buffer | - use pinned (nonpagable) memory for send/recv buffers on host when communicating GPU data but GPU-aware MPI is not used. Only available for SF types of basic and neighbor. |