HPC

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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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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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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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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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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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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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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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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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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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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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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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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