Torsten Hoefler has written a guest post at the Cisco blog on MPI 2.2’s Scalable Process Topologies. Hoefler, the Performance Modeling and Simulation lead of the Blue Waters project at NCSA, says that ...

MPI (Message Passing Interface) is the de facto standard distributed communications framework for scientific and commercial parallel distributed computing. The Intel MPI implementation is a core ...

Over at the MPI Blog, Cisco’s Jeff Squyres writes that if you’re not using processor and memory affinity in your MPI programs, you’re likely experiencing performance degradation without even realizing ...