GPUs

Computing experts from Oak Ridge National Laboratory recently met with their counterparts in India to share insights and look for collaboration opportunities.
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The work of ORNL postdoctoral fellow Trung Nguyen appeared as the cover story in the March 21, 2014, print edition of Nanoscale, a high-impact journal of the Royal Society of Chemistry. It was also published online.

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Titan allows advanced scientific applications to reach unprecedented speeds, enabling scientific breakthroughs faster than ever with only a marginal increase in power consumption.
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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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To prepare California for the next “big one,” SCEC joint researchers are simulating earthquakes at high frequencies for more detailed predictions that are needed by structural engineers on Titan.
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Using computational molecular dynamics simulations, researchers at ORNL and the University of Tennessee–ORNL Joint Institute for Computational Sciences have discovered a molecular “switch” in a receptor that controls cell behavior.
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The OLCF is working with Mentor Graphics, a leading electronic design automation company, to bring accelerated computing to a broader audience.
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Researchers simulating high-temperature superconductors has topped 15 petaflops on ORNL’s Titan supercomputer. More importantly, they did it with an algorithm that substantially overcomes two major roadblocks to realistic superconductor modeling.
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Scientists from Germany’s HZDR–Dresden used Titan, the most powerful supercomputer in the United States located at Oak Ridge National Laboratory, to simulate billions of particles in two passing plasma jet streams.
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The OLCF delivered more than 374 million supercomputer core hours to 17 projects through the Department of Energy’s ALCC program—76 million hours more than expected.
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A simulation of the internal workings of cells has reached a sustained performance of 20,000 trillion calculations per second, or 20 petaflops, on the Titan supercomputer at ORNL.
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Researchers are using DOE’s most powerful computing systems, including the nation’s top-ranked machine, ORNL’s Titan, to simulate the evolution of the universe as it expands across billions of years.
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General Electric Global Research is using the hybrid CPU/GPU Cray XK7 Titan supercomputer managed by the OLCF to simulate hundreds of millions of water molecules freezing in slow motion.

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ORNL researcher is simulating the magnetic direction and strength—known as the “magnetic moment”— of nickel atoms on one of the world’s most powerful supercomputers for science research, Titan.
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Researchers use LAMMPS code on Titan to learn how systems of atoms and molecules can be manipulated for improvements.
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Oak Ridge National Laboratory’s Titan supercomputer has completed rigorous acceptance testing to ensure the functionality, performance and stability of the machine, one of the world’s most powerful supercomputing systems for open science.
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