HPC

usNIC inside Linux containers

11 min read

Linux containers, as a lighter virtualization alternative to virtual machines, are gaining momentum. The High Performance Computing (HPC) community is eyeing Linux containers with interest, hoping that they can provide the isolation and configurability of Virtual Machines, but without the performance penalties. In this article, I will show a simple example of libvirt-based container configuration […]

A supercomputer in your browser

1 min read

Cisco is pleased to announce the “Supercomputer in your browser” (SiYB) project, designed to bring the rich High Performance Computing (HPC) ecosystem to the world’s most popular software: web browsers. The free SiYB software is a web browser plugin that is easily installed on any desktop or laptop computer running Windows, OS X, or Linux. “I’ve […]

Euro MPI 2015 CFP (now featuring 100% more Europe)

1 min read

Euro MPI 2015 has returned to Europe!  (recall that Euro MPI/Asia 2014 was in beautiful Kyoto, Japan) Euro MPI 2015 will be September 21-24 in Bordeaux, France. That means that it’s that time of year again: get your papers ready for submission!  The CFP was just recently published:

The state of libfabric in Open MPI

1 min read

Yesterday morning, I gave a presentation at the 2015 OpenFabrics Software Developers’ Workshop.  I discussed the status of libfabric support in Open MPI. Here’s a copy of my slides:

Cisco usNIC libfabric provider presentation

1 min read

Earlier this morning, I gave a presentation at the 2015 OpenFabrics Software Developers’ Workshop.  I discussed Cisco’s experiences with writing providers for both the Linux Verbs API and the Libfabric API. Here’s a copy of my slides:

MPI-3.1! …not quite yet

1 min read

The MPI Forum met for our quarterly meeting last week in Portland, Oregon. The main goal of the meeting was to pass the MPI-3.1 standard into law.  MPI-3.1 contains a bunch of errata from MPI-3.0, and a small number of new things.

A Farewell to LAM/MPI

1 min read

With a little sadness, I note that LAM/MPI was officially retired recently. LAM/MPI’s hosting provider, Indiana University, made the decision not to renew the lam-mpi.org domain any more.  As of a few weeks ago, LAM/MPI’s web site is no more, and its domain is in the process of expiring. LAM/MPI was a highly popular implementation […]

Open MPI: behind the scenes

2 min read

Working on an MPI implementation isn’t always sexy.  There’s a lot of grubby, grubby work that needs to happen on a continual basis to produce a production-quality MPI implementation that can be used for real-world HPC applications. Sure, we always need to work on optimizing short message latency. Sure, we need to keep driving MPI’s […]

MPI 3.1: coming soon to an implementation near you

1 min read

The next MPI Forum meeting will be in Portland, OR, USA, in early March. One of the major topics on the agenda will be voting on the MPI 3.1 standard. You might be wondering what’s new in MPI-3.1. I’m glad you asked.