Technology

With every new generation of supercomputer that arrives at the nation’s leadership computing facilities also comes an inevitable learning curve as computational scientists get acclimated to unfamiliar systems. Software bugs …
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Scientists at NASA aim to one day land giant payloads on Mars, but safely descending passengers, flight crew, and other equipment in an atmosphere much thinner than Earth’s poses a …
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Companies that design the networks that allow compute systems to share information often rely on certain benchmarks to test how well their networks perform.

But the traditional benchmarks that measure …
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The computational scientists who run codes on the massively powerful supercomputers at the Oak Ridge Leadership Computing Facility (OLCF) are working on solving some of the world’s most challenging problems. …
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Revisiting an engine concept first proposed in the 1950s, researchers at the University of Michigan (UM) are conducting trailblazing research that may finally unlock its potential for ultra-high-efficiency propulsion and …
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The National Center for Computational Sciences (NCCS) and Oak Ridge Leadership Computing Facility (OLCF) house some of the world’s fastest high-performance computing resources. Located at the US Department of Energy’s …
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For the first time ever and using only a fraction of its processing power, an Oak Ridge National Laboratory (ORNL) supercomputer has entered the Graph500 ranking, a list published twice …
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The large scientific simulations users at the Oak Ridge Leadership Computing Facility (OLCF) run on the center’s IBM AC922 Summit supercomputer almost always require other attendant tasks to fully realize …
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Before computational users launch large scientific jobs on the Oak Ridge Leadership Computing Facility’s (OLCF’s) IBM AC922 Summit supercomputer, they need to understand how they will use the full power …
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As GPU architectures have become the standard for scientific computing, application teams have had to retrofit their scientific codes to run on new systems. Even teams with codes that have …
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One of the challenges of cutting-edge equipment at a cutting-edge laboratory is that when a problem arises, the answers are never straightforward.

As the 2021 delivery date for Frontier — …
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Alongside the regular high-performance computing (HPC) resources at supercomputing centers are test beds, small computing clusters that offer HPC experts a chance to explore new architectures before they are considered …
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To those outside the high-performance computing community, supercomputers are a mysterious breed. Rows of refrigerator-sized cabinets span the length of an entire room, connected in an ensemble of fiber-optic cables …
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The High-Performance Storage System (HPSS) at the Oak Ridge Leadership Computing Facility (OLCF) will soon transition to a project-based directory structure. This may sound like a small change, but for …
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The high-performance computing (HPC) systems at the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) are about to vault into the “pubsub” era of real-time streaming analytics.

Employing …
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The Oak Ridge Leadership Computing Facility (OLCF) and technology consulting company Providentia Worldwide LLC recently collaborated to develop an intelligence system that combines real-time updates from the IBM AC922 Summit …
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