In my last post, I talked about the so-called eager RDMA optimization, and its effects on resource consumption vs.
@brockpalen asked me a question in Twitter:
@jsquyres common #MPI implementation assumptions made
Way back in the MPI-2.2 timeframe, a proposal was introduced the add the C keyword “const” to
The count parameter exists in many MPI API functions: MPI_SEND, MPI_RECV, MPI_TYPE_CREATE_STRUCT, etc. In conjunction with the datatype parameter,
In my last post, I discussed the rationale for using shared memory as a transport between MPI processes
MPI is a great transport-agnostic inter-process communication (IPC) mechanism. Regardless of where the peer process is that you’re trying