October 21, 2013
AUSTIN, Tex., Oct. 21 -- The Texas Advanced Computing Center (TACC) at The University of Texas at Austin today announced that the innovative, highly parallel Intel Xeon Phi coprocessors that add more than seven petaflops (PF) of performance to the Stampede supercomputer were accepted by a National Science Foundation (NSF) review team and began full production in August.
With the Xeon Phi coprocessors now in production, TACC and the Cornell University Center for Advanced Computing, one of the Stampede project partners, are ramping up training activities and providing the documentation necessary to assist researchers in making the most effective, efficient use of this new technology.
“We’re excited that the coprocessors have entered full production mode, and as a result, we’re offering more training and documentation to expand the growing user base,” said TACC Director Jay Boisseau. “This technology provides a unique capability and opportunity for researchers, especially as one of the paths toward exascale computing. These highly data parallel processors will become even more powerful with subsequent generations.”
TACC expects Stampede to receive the next generation of Intel Xeon Phi coprocessors in the 2015 timeframe.
With a theoretical peak performance of nearly 10 petaflops, Stampede is powered by two different Intel processor architectures: the base cluster, which comprises 6,400 nodes with two Intel Xeon E5 processors each, providing 2.2 petaflops of computing power; and the innovative component, which comprises 6,880 Intel Xeon Phi coprocessors that add more than seven petaflops of performance.
“The base cluster of Stampede is heavily utilized,” said Bill Barth, TACC’s director of High Performance Computing. “Now that we’ve fully explored the performance ramifications of the innovative coprocessors, we encourage users to adopt them if their codes are amenable to any of the programming styles.”
When it was deployed in January 2013, Stampede was the first large-scale system to integrate the new Intel Xeon Phi coprocessor technology. The system is the most powerful and capable of the 16 high performance computing, visualization and data analysis resources in the NSF-funded Extreme Science and Engineering Discovery Environment (XSEDE) partnership.
Today, nearly 3,000 science and engineering researchers from around the world use Stampede to tackle a variety of numerical and data-intensive problems. Through in-person, webcast and online training, TACC staff assists these researchers in using resources of this magnitude to achieve their scientific goals.
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