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Supercomputing Earthquakes in the Age of Exascale

Tomorrow’s exascale supercomputers will enable researchers to accurately simulate the ground motions of regional earthquakes quickly and in unprecedented detail. “Simulations of high frequency earthquakes are more computationally demanding and will require exascale computers,” said David McCallen, who leads the ECP-supported effort. “Ultimately, we’d like to get to a much larger domain, higher frequency resolution and speed up our simulation time.”

NERSC lends a hand to 2017 Tapia Conference on Diversity in Computing

The recent Tapia Conference on Diversity in Computing in Atlanta brought together some 1,200 undergraduate and graduate students, faculty, researchers and professionals in computing from diverse backgrounds and ethnicities to learn from leading thinkers, present innovative ideas and network with peers.

Sowing Seeds of Quantum Computation at Berkeley Lab

“Berkeley Lab’s tradition of team science, as well as its proximity to UC Berkeley and Silicon Valley, makes it an ideal place to work on quantum computing end-to-end,” says Jonathan Carter, Deputy Director of Berkeley Lab Computing Sciences. “We have physicists and chemists at the lab who are studying the fundamental science of quantum mechanics, engineers to design and fabricate quantum processors, as well as computer scientists and mathematicians to ensure that the hardware will be able to effectively compute DOE science.”

IDEAS Program Fostering Better Software Development for Exascale

Scalability of scientific applications is a major focus of the Department of Energy’s Exascale Computing Project (ECP) and in that vein, a project known as IDEAS-ECP, or Interoperable Design of Extreme-scale Application Software, is also being scaled up to deliver insight on software development to the research community.

Kathy Yelick Presents: Breakthrough Science at the Exascale

UC Berkeley professor Kathy Yelick presented this talk at the 2017 ACM Europe Conference. “Yelick’s keynote lecture focused on the exciting opportunities that High Performance Computing presents, the need for advanced in algorithms and mathematics to advance along with the system performance, and how the variety of workloads will stress the different aspects of exascale hardware and software systems.”

Podcast: Mapping DNA at Near-Atomic Resolution with Cryo-EM

In this podcast, Berkeley Lab’s Eva Nogales describes how her team is using a new imaging technology that is yielding remarkably detailed 3-D models of complex biomolecules critical to DNA function. Using cryo-electron microscopy (cryo-EM), Nogales and her colleagues have resolved the structure at near-atomic resolutions of a human transcription factor used in gene expression and DNA repair.

SC17 Panel Preview: How Serious Are We About the Convergence Between HPC and Big Data?

SC17 will feature a panel discussion entitled How Serious Are We About the Convergence Between HPC and Big Data? “The possible convergence between the third and fourth paradigms confronts the scientific community with both a daunting challenge and a unique opportunity. The challenge resides in the requirement to support both heterogeneous workloads with the same hardware architecture. The opportunity lies in creating a common software stack to accommodate the requirements of scientific simulations and big data applications productively while maximizing performance and throughput.

OSC Helps Map the Invisible Universe

The Ohio Supercomputer Center played a critical role in helping researchers reach a milestone mapping the growth of the universe from its infancy to present day. “The new results released Aug. 3 confirm the surprisingly simple but puzzling theory that the present universe is composed of only 4 percent ordinary matter, 26 percent mysterious dark matter, and the remaining 70 percent in the form of mysterious dark energy, which causes the accelerating expansion of the universe.”

When Neutron Stars and Black Holes Collide

Working with an international team, scientists at Berkeley Lab have developed new computer models to explore what happens when a black hole joins with a neutron star – the superdense remnant of an exploded star. “If we can follow up LIGO detections with telescopes and catch a radioactive glow, we may finally witness the birthplace of the heaviest elements in the universe,” he said. “That would answer one of the longest-standing questions in astrophysics.”

RCE Podcast Looks at Shifter Containers for HPC

In this RCE Podcast, Brock Palen and Jeff Squyres speak with Shane Canon and Doug Jacobsen from NERSC, the authors of Shifter. “Shifter is a prototype implementation that NERSC is developing and experimenting with as a scalable way of deploying containers in an HPC environment. It works by converting user or staff generated images in Docker, Virtual Machines, or CHOS (another method for delivering flexible environments) to a common format.”