Mon Jan 04 11:09:10 2010
Subject: [OMPI users] Question about senting short MPI messages using RDMA
Hi, guys.
As I understand, to send short MPI messages, OpenMPI copies the
messages to preallocated buffer and then uses RDMA.
I was wondering if we can avoid the overhead of memory copy. If t
Hi, guys.
As I understand, to send short MPI messages, OpenMPI copies the
messages to preallocated buffer and then uses RDMA.
I was wondering if we can avoid the overhead of memory copy. If the
user buffers for short messages are reused a lot, we can just register
the user buffer instead of using
