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NERSC Hosts 150 HPC Experts as they Prepare for Intel’s Xeon Phi Processor

October 6, 2015

Contact: Richard Gerber, 510-486-6820,

About 150 members of the high performance computing community spent four days preparing for the next generation of processor architectures at the 2015 IXPUG (Intel Xeon Phi Users Group) meeting at Lawrence Berkeley National Laboratory.

The Sept. 28-Oct. 1 meeting was hosted by the National Energy Research Scientific Computing Center (NERSC), which provides HPC systems and services to support the DOE Office of Science. NERSC’s next supercomputer, named “Cori,” will be a Cray XC system based on the next generation of Intel’s Xeon Phi processor called Knights Landing (KNL). It is expected that most applications currently being used at NERSC will require additional code development to fully take advantage of the computational power of the new “many-core” KNL processor.

Because of the challenges and potential of the Xeon Phi processors, representatives from research institutions that will be deploying systems using the processor formed IXPUG, an independent users group that provides a forum for exchanging ideas and information.

“For a meeting like this, it’s important to get a critical mass of all the right people,” said Richard Gerber, NERSC Senior Science Advisor and User Services group lead, who also serves as president of IXPUG. “In addition to technical talks by Intel staff, we heard lots of real-world tips and techniques from application developers who are already preparing their codes for KNL.”

»See the full agenda of topics and archived presentations.

The meeting was held in Berkeley Lab’s new Computational Research and Theory Facility, where Cori will be installed next year.

NERSC’s KNL system is expected to arrive in mid-2016. Other DOE national laboratories, including Argonne, Los Alamos and Sandia, will also be installing KNL-based systems in the next year or so. The “Stampede” system at the Texas Advanced Supercomputing Center has traditional CPUs accelerated by the current generation of Intel Xeon “Knights Corner” processors.

Gerber said that the HPC community’s interest in the processor is strong, as indicated by the fact that registration was cut off after 150 people had signed up for the meeting.

“I know that KNL is coming and this was a good overview of the hardware, software and programming model issues all at one time,” said Jeanine Cook, a computer scientist in the Scalable Computer Architectures department at Sandia National Laboratories. “One thing that was very useful was having a lot of Intel people there in the same place at the same time so the participants could get their questions answered.”

About NERSC and Berkeley Lab
The National Energy Research Scientific Computing Center (NERSC) is a U.S. Department of Energy Office of Science User Facility that serves as the primary high performance computing center for scientific research sponsored by the Office of Science. Located at Lawrence Berkeley National Laboratory, NERSC serves almost 10,000 scientists at national laboratories and universities researching a wide range of problems in climate, fusion energy, materials science, physics, chemistry, computational biology, and other disciplines. Berkeley Lab is a DOE national laboratory located in Berkeley, California. It conducts unclassified scientific research and is managed by the University of California for the U.S. Department of Energy. »Learn more about computing sciences at Berkeley Lab.