HPC
Call for Workshops: EuroMPI/Asia 2014
The 21st European MPI Users’ Group Meeting, EuroMPI/AISA 2014, will be held in Kyoto, Japan, 9th – 12th September, 2014. In addition to the main conference’s technical program, EuroMPI/ASIA 2014 is soliciting proposals for one-day or
Open MPI: Binding to core by default
After years of discussion, the upcoming release of Open MPI 1.7.4 will change how processes are laid out (“mapped”) and bound by default. Here’s the specifics: If the number of processes is <= 2, processes will be mapped by core
10 Years of Open MPI
Today’s the day. Today marks 10 years since the first commit in the original Open MPI CVS source code repository (which was later converted to Subversion): $ svn log -r 1 http://svn.open-mpi.org/svn/ompi
The Network Locality Project (netloc)
Today’s guest post comes from Dr. Joshua Hursey, an Assistant Professor in the Computer Science Department at the University of Wisconsin, La Crosse. For a number of years, developers tuning High Performance Computing (HPC) applications and
At SC’13 next week? Come say hi!
Are you going to be in Denver at SC’13 next week? Good! You need to stop by the Cisco booth (#2535) and say hi to your friendly neighborhood Open MPI developers: Dave Goodell, Reese Faucette, and Jeff Squyres.
Lawrence Berkeley Labs talk: Cisco Userspace NIC (usNIC)
Here’s the slides from my second talk, which is a deep technical dive into both how the usNIC technology works, and how we use that technology in the BTL plugin that we wrote for Open MPI (which is upstream starting with Open MPI v1.7.3).
Lawrence Berkeley Labs talk: (Open) MPI, Parallel Computing, Life, the Universe, and Everything
Many thanks to the crew at LBL for hosting my talks yesterday. There were many insightful questions and comments throughout both talks. Here’s the slides from my first talk, entitled “(Open) MPI, Parallel Computing, Life, the Universe
My new favorite Open MPI mpirun feature: tab completion
Today’s guest author is Nathan Hjelm, a Scientist 2 at Los Alamos National Laboratory. We recently added scripts to support tab completion of mpirun flags and run-time MCA configuration variables to the Open MPI trunk development. The scripts