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HPC

New Geometric Model Improves Predictions of Fluid Flow in Rock
2 months ago

New Geometric Model Improves Predictions of Fluid Flow in Rock

By  •  2 months ago  •  Featured, Science

Deep beneath the Earth’s surface, oil and groundwater percolate through gaps in rock and other geologic material. Hidden from sight, these critical resources pose a significant challenge for scientists seeking …
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Network Enhancement Strengthens Ties Between OLCF, ESnet
2 months ago

Network Enhancement Strengthens Ties Between OLCF, ESnet

By  •  2 months ago  •  Technology

If data is the lifeblood of a scientific computing center, a resilient network can be the difference between new discoveries and costly service disruptions.

In November 2018, staff at the …
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A Sneak Peek at 19 Science Simulations for the Summit Supercomputer in 2019
2 months ago

A Sneak Peek at 19 Science Simulations for the Summit Supercomputer in 2019

By  •  2 months ago  •  Featured, Science

This month, Summit Early Science Program users are starting to work on some of the world’s toughest science problems on its most powerful supercomputer: the 200-petaflop, IBM AC922 Summit system …
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Ready for Science: Summit Completes System Acceptance
3 months ago

Ready for Science: Summit Completes System Acceptance

By  •  3 months ago  •  People, Technology

A year-long acceptance process for the 200-petaflop, IBM AC922 Summit supercomputer at the US Department of Energy’s Oak Ridge National Laboratory (ORNL) is complete. Acceptance testing ensures that the supercomputer …
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Pinnacle Engines Develops Efficient, Low-Emission Gasoline Engine Using Supercomputing
4 months ago

Pinnacle Engines Develops Efficient, Low-Emission Gasoline Engine Using Supercomputing

By  •  4 months ago  •  Featured, Industry, Science

The Pinnacle Engines opposed-piston cylinder shown in three different views. Visualizations illustrate the generation of coherent flow structures and their collapse during the compression stroke, which leads to …
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Award Finalists Demonstrate Improved QCD Code for Supercomputing
5 months ago

Award Finalists Demonstrate Improved QCD Code for Supercomputing

By  •  5 months ago  •  Featured, Science

This article is part of a series covering the finalists for the 2018 Gordon Bell Prize that used the Summit supercomputer. The prize winner will be announced at SC18 in November …
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Gordon Bell Prize Finalist Code Adopts AI to Model Monster Earthquakes
5 months ago

Gordon Bell Prize Finalist Code Adopts AI to Model Monster Earthquakes

By  •  5 months ago  •  Featured, Science

This article is part of a series covering the finalists for the 2018 Gordon Bell Prize that used the Summit supercomputer. The prize winner will be announced at SC18 in November …
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Mixed Precision: A Strategy for New Science Opportunities
6 months ago

Mixed Precision: A Strategy for New Science Opportunities

By  •  6 months ago  •  Featured, People

Since the days of vector supercomputers, computational scientists have relied on high-precision arithmetic to accurately solve a wide range of problems, from modeling nuclear reactors to predicting supernova physics to …
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Faces of Summit: Getting Acclimated
6 months ago

Faces of Summit: Getting Acclimated

By  •  6 months ago  •  People

The Faces of Summit series shares stories of the people behind America’s top supercomputer for open science, the Oak Ridge Leadership Computing Facility’s Summit. The IBM AC922 machine launched in …
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Uncharted Territory
6 months ago

Uncharted Territory

By  •  6 months ago  •  Featured, Science

Ambitious supercomputers attract ambitious users. After debuting as the world’s fastest supercomputer in June, the Oak Ridge Leadership Computing Facility’s (OLCF’s) 200-petaflop Summit is already demonstrating its utility for solving …
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SmartTruck Steps Up Simulations for Certification by Computation
7 months ago

SmartTruck Steps Up Simulations for Certification by Computation

By  •  7 months ago  •  Featured, Science

Long-haul tractor trailers, often referred to as “18-wheelers,” transport everything from household goods to supermarket foodstuffs across the United States every year. According to the Bureau of Transportation Statistics, these …
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Preaching pbdR
7 months ago

Preaching pbdR

By  •  7 months ago  •  People

Since bursting onto the scene in the early ’90s, high-performance computing (HPC) has become the most productive method for exploring ambitious problems in science that require substantial computational power. Yet …
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