SCHEDULE: NOV 10-16, 2012
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Application Development for Titan - A Multi-Petaflop Hybrid-Multicore MPP System
SESSION: Optimizing Applications for New Systems
EVENT TYPE: Keynote and Invited Talks
TIME: 10:30AM - 11:15AM
SESSION CHAIR: Satoshi Matsuoka
Presenter(s):John Levesque
ROOM:Ballroom-EFGH
ABSTRACT:
Oak Ridge National Laboratory has installed the Oak Ridge Leadership Computing Facility - 3, a large multi-Petaflop XK6 consisting of 10s of thousands of Nvidia GPUs. The system is called Titan. Two years ago, five major applications were identified for porting to the Titan system so that break-through science could be run as soon as the system was installed. This talk will discuss the process over the two years, the various approaches taken including CUDA, CUDA Fortran, C++ meta-programming templates and OpenACC directives targeting the accelerator. Going forward, a large group of users will be faced with the challenges for moving their applications to the new Titan system. After reviewing the strategies and successes of porting the five applications to the system, recommendations will be made outlining an approach for moving to the architecture that promises to deliver over an Exaflop in performance in the future.
Chair/Presenter Details:
Satoshi Matsuoka (Chair) - Tokyo Institute of Technology
John Levesque - Cray Inc.
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