Supercomputing and Computational Science

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Supercomputing and Computational Science

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OAK RIDGE, Tenn., Nov. 14, 2014—The U.S. Department of Energy’s (DOE) Oak Ridge Leadership Computing Facility (OLCF) has signed a contract with IBM to bring a next-generation supercomputer to Oak Ridge National Laboratory (ORNL). The OLCF’s new hybrid CPU/GPU computing system, Summit, will be delivered in 2017.

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Recent Research Highlights

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Using CADES
— Using CADES compute and data resources, researchers are linking DOE experimental and computational facilities to uncover stacking faults in double-layered perovskite. Here is the title and blurb to use on the webpage: Researchers use machine learning to find useful structural properties in neutron and x-ray data. A team of ORNL researchers is using the lab’s Compute and Data Environment for Science (CADES) to analyze large volumes of neutron and x-ray scattering data to find and identify these defects—a first step to greatly reducing time researchers spend on comparing and contrasting scattering data to identify connections between structure and function.

Boosting Bioenergy
— A team led by Oak Ridge National Laboratory’s Jeremy Smith, the director of ORNL’s Center for Molecular Biophysics and a Governor’s Chair at the University of Tennessee, has uncovered information that could help others harvest energy from plant mass. The team’s conclusion—that less ordered cellulose fibers bind less lignin—was published in the August edition of Biomacromolecules.

The Need for Speed
— Since the Oak Ridge Leadership Computing Facility’s (OLCF’s) Titan supercomputer began accepting its full suite of users on May 31st, science has been picking up steam. With its hybrid architecture featuring traditional CPUs alongside GPUs, Titan represents a revolutionary paradigm in high-performance computing’s quest to reach the exascale with only marginal increases in power consumption for the world’s leading systems.

 
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Latest News

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U.S. to build two new world-class supercomputers
— The U.S. Department of Energy (DOE) announced today two major efforts to push supercomputing power well beyond where it is today. DOE will spend $325 million on two extreme-scale computers to be built at national labs in Oak Ridge, Tennessee, and Livermore, California.

Chinese supercomputer stays No. 1, Titan at ORNL still No. 2
— For the fourth consecutive time, Tianhe-2, a supercomputer developed by China’s National University of Defense Technology, has retained its position as the world’s number one system. Meanwhile, Titan at Oak Ridge National Laboratory, which was the top supercomputer in November 2012, remains number two.

Joint effort nabs next wave of US supercomputers
— Once locked in an arms race with each other for the fastest supercomputers, US national laboratories are now banding together to buy their next-generation machines.

 
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