SCHEDULE: NOV 10-16, 2012
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Titan - Early Experience with the Titan System at Oak Ridge National Laboratory
SESSION: Fielding Large Scale Systems
EVENT TYPE: Keynote and Invited Talks
TIME: 11:15AM - 12:00PM
SESSION CHAIR: Bronis R. de Supinski
Presenter(s):Arthur S. Bland
In 2011, Oak Ridge National Laboratory began a two phase upgrade to convert the Cray XT5 Jaguar system into a Cray XK6 system named Titan. The first phase, completed in early 2012, replaced all XT5 node boards with XK6 boards, including the AMD Opteron 6274 16-core processors, 600 terabytes of system memory, Cray’s new Gemini network, and 960 NVIDIA X2090 “Fermi” processors. The second phase will add 20 petaflops of NVIDIA’s next generation K20 “Kepler” processor. The most important aspect of the Titan project has been developing a programming strategy to allow the applications to run efficiently and effectively on the accelerators, while maintaining compatibility with other architectures. ORNL’s Center for Accelerated Applications Readiness has worked for over two years to implement this strategy on several key Department of Energy applications. This talk describes Titan, the upgrade process, and the challenges of developing its programming strategy and programming environment.
Bronis R. de Supinski (Chair) - Lawrence Livermore National Laboratory
Arthur S. Bland - Oak Ridge National Laboratory