In this Let’s Talk Exascale podcast, David Bernholdt from ORNL discusses the Open MPI for Exascale project, which is focusing on the communication infrastructure of MPI, or message-passing interface, ...
Cisco’s Jeff Squyres writes that Open MPI’s revamped v1.7 affinity system is actually quite flexible. Open MPI v1.7 uses hwloc to probe the topologies of the nodes on which it is launching processes.
A working group formed on behalf of the Exascale Computing Project (ECP) in the U.S. has taken an in-depth look at how the message passing interface (MPI) is being used in existing HPC systems with an ...
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