Named Constants

psb_none_

Generic no-op;

psb_nohalo_

Do not fetch halo elements;

psb_halo_

Fetch halo elements from neighbouring processes;

psb_sum_

Sum overlapped elements

psb_avg_

Average overlapped elements

psb_comm_halo_

Exchange data based on the halo_index list;

psb_comm_ext_

Exchange data based on the ext_index list;

psb_comm_ovr_

Exchange data based on the ovrlap_index list;

psb_comm_mov_

Exchange data based on the ovr_mst_idx list;