13 Jul
2018
13 Jul
'18
5:27 p.m.
I want to try MPI neighborhood collectives. I have a communication graph and want to do both forward and backward communication along the edges. With current APIs, it looks I need to create two comm_dist_graphs. It is a waste since MPI implementations can do similar optimizations for the two. Should MPI support this scenario? Thanks. --Junchao Zhang