Most people’s reactions to hearing about the new MPI-3 non-blocking “barrier” collective think: huh?
Why on earth would you have
In my last post, I described the Simple mode of Open MPI v1.7’s process affinity system.
The Simple mode
In my last post, I mentioned that we just finished a complete revamp of the Open MPI process
Process affinity is a hot topic. With commodity servers getting more and more complex internally (think: NUMA and NUNA),
Periodically, new MPI developers get confused about MPI because they’re coming from environments where they’re used to dealing with
A common question from new MPI developers is: which should I use to separate my messages — tags or