Jeff Hammond at Argonne tells me that there’s some confusion in the user community about MPI and C++.
A user on the Open MPI mailing list recently asked about using negative tags for point-to-point MPI sending/receiving operations.
We’re here at the MPI Forum in Vienna where the Forum has just unanimously voted to accept
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