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HPC

Mixed Precision: A Strategy for New Science Opportunities
2 weeks ago

Mixed Precision: A Strategy for New Science Opportunities

By  •  2 weeks 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
1 month ago

Faces of Summit: Getting Acclimated

By  •  1 month 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
1 month ago

Uncharted Territory

By  •  1 month 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
2 months ago

SmartTruck Steps Up Simulations for Certification by Computation

By  •  2 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
2 months ago

Preaching pbdR

By  •  2 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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DOE Graduate Fellows Train on Titan for a Future in HPC
2 months ago

DOE Graduate Fellows Train on Titan for a Future in HPC

By  •  2 months ago  •  People

The Oak Ridge Leadership Computing Facility (OLCF) recently provided introductory training in high-performance computing (HPC) and access to the facility’s Titan supercomputer to some of the nation’s top doctoral students …
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ALCC Program Awards 14 Projects a Combined 729.5 Million Core Hours at the OLCF
3 months ago

ALCC Program Awards 14 Projects a Combined 729.5 Million Core Hours at the OLCF

By  •  3 months ago  •  Science

Every year, the US Department of Energy’s (DOE’s) Office of Advanced Scientific Computing Research (ASCR) provides scientists with time on world-class computational resources across the country through the ASCR Leadership …
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OLCF Workshop Introduces HPC Concepts
3 months ago

OLCF Workshop Introduces HPC Concepts

By  •  3 months ago  •  People

The Oak Ridge Leadership Computing Facility (OLCF) held an Introduction to High-Performance Computing (HPC) workshop June 26–28 at the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL).

Using …
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OLCF Readies Users for Summit
4 months ago

OLCF Readies Users for Summit

By  •  4 months ago  •  People

Now that the Oak Ridge Leadership Computing Facility (OLCF) has launched its IBM AC922 Summit supercomputer, staff members in the OLCF’s User Assistance and Outreach (UAO) Group are planning robust …
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Summit by the Numbers
5 months ago

Summit by the Numbers

By  •  5 months ago  •  Technology

The US Department of Energy’s Summit supercomputer located at Oak Ridge National Laboratory enables scientists to simulate complex physical systems and make predictions critical to advancing research and development.

Summit’s …
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Faces of Summit: Succeeding by Leading
5 months ago

Faces of Summit: Succeeding by Leading

By  •  5 months ago  •  Featured, 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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With Supercomputing Power and an Unconventional Strategy, Scientists Solve a Next-Generation Physics Problem
5 months ago

With Supercomputing Power and an Unconventional Strategy, Scientists Solve a Next-Generation Physics Problem

By  •  5 months ago  •  Science

Using the Titan supercomputer at the Oak Ridge Leadership Computing Facility (OLCF), a team of researchers has calculated a fundamental property of protons and neutrons, known as the nucleon axial …
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