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OLCF News

News and Highlights from the OLCF

‘Summit on Summit, Sierra, and Perlmutter’ Hits 2nd Anniversary of Team-Effort Problem-Solving
1 week ago

‘Summit on Summit, Sierra, and Perlmutter’ Hits 2nd Anniversary of Team-Effort Problem-Solving

By  •  1 week ago  •  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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NCCS’ James Simmons Recognized as Top Lustre Contributor of the Decade
1 week ago

NCCS’ James Simmons Recognized as Top Lustre Contributor of the Decade

By  •  1 week ago  •  People

The National Center for Computational Sciences’ (NCCS’s) James Simmons was recognized by the Open Scalable File Systems, Inc. (OpenSFS) organization at the virtual user meeting on September 9 as the …
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NASA Team Releases Mars Landing Simulation Data to Encourage New Research into Spacecraft Descent Technologies
1 week ago

NASA Team Releases Mars Landing Simulation Data to Encourage New Research into Spacecraft Descent Technologies

By  •  1 week ago  •  Technology

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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Runs on Summit Provided Data for Cray’s New Networking Benchmark
1 week ago

Runs on Summit Provided Data for Cray’s New Networking Benchmark

By  •  1 week ago  •  Technology

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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Powering Frontier
1 week ago

Powering Frontier

By  •  1 week ago  •  People

The US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) is poised to deliver Frontier, its first exascale supercomputer, next year. Exascale systems are capable of operating at 1 …
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DOE and NCSA Supercomputing Speed Studies into Black Hole Origins
1 week ago

DOE and NCSA Supercomputing Speed Studies into Black Hole Origins

By  •  1 week ago  •  Science

Five years ago this month, the Laser Interferometer Gravitational-wave Observatory, or LIGO, made its first detection of gravitational waves, marking a historic event in the astrophysics community. Since then, LIGO …
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Oak Ridge Leadership Computing Facility Fosters GCC Compiler Development with Mentor Contract
4 weeks ago

Oak Ridge Leadership Computing Facility Fosters GCC Compiler Development with Mentor Contract

By  •  4 weeks ago  •  Technology

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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Reaching New Heights in Weather Forecasting’s Exascale Future
1 month ago

Reaching New Heights in Weather Forecasting’s Exascale Future

By  •  1 month ago  •  Science

Using the Oak Ridge Leadership Computing Facility’s (OLCF’s) IBM AC922 Summit—the nation’s most powerful supercomputer devoted to open science, located at the US Department of Energy’s (DOE’s) Oak Ridge National …
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Realizing the Dream of Rotating Detonation Engines through an OLCF, NETL, GE, and University of Michigan Collaboration
1 month ago

Realizing the Dream of Rotating Detonation Engines through an OLCF, NETL, GE, and University of Michigan Collaboration

By  •  1 month ago  •  Industry, Technology

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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NCCS Summer Interns Completed Successful Season Despite COVID-19
1 month ago

NCCS Summer Interns Completed Successful Season Despite COVID-19

By  •  1 month ago  •  Events, People

Thanks to the efforts of dozens of scientists and support staff, and despite the challenges presented by the COVID-19 pandemic, summer interns in the National Center for Computational Sciences (NCCS) …
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Laying the Groundwork for a New ‘Green Revolution’
2 months ago

Laying the Groundwork for a New ‘Green Revolution’

By  •  2 months ago  •  People, Science

In 2015, all member states of the United Nations pledged to pursue the 17 Sustainable Development Goals set forth by the UN General Assembly in its 2030 Agenda for Sustainable …
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Take a Virtual Tour of ORNL’s Supercomputer Center
2 months ago

Take a Virtual Tour of ORNL’s Supercomputer Center

By  •  2 months ago  •  OLCF History, Technology

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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Sparks Fly in Marriage of GE’s GENESIS Code and the Summit Supercomputer
2 months ago

Sparks Fly in Marriage of GE’s GENESIS Code and the Summit Supercomputer

By  •  2 months ago  •  Science

General Electric (GE)—a company well-known for its contributions to aviation, power, renewable energy, and more—aims to design gas turbine jet engines that are world leading in efficiency, emissions, and durability. …
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ALCC Program Awards Nearly 6 Million Summit Node Hours across 31 Projects
2 months ago

ALCC Program Awards Nearly 6 Million Summit Node Hours across 31 Projects

By  •  2 months ago  •  Science

Each year, researchers are awarded computing hours at the Oak Ridge Leadership Computing Facility (OLCF)—a US Department of Energy (DOE) Office of Science User Facility located at DOE’s Oak Ridge …
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OLCF’s Constellation DOI Offers a Permanent Home for OLCF Users’ Data Sets
2 months ago

OLCF’s Constellation DOI Offers a Permanent Home for OLCF Users’ Data Sets

By  •  2 months ago  •  Science

This story is the third in a series called “Data Matters,” a collection of features dedicated to exploring the relevance of data for scientific advancement and exploration at the Oak …
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Weighing up Plasma Particles
2 months ago

Weighing up Plasma Particles

By  •  2 months ago  •  Science

The sun’s energy is the result of a continuous series of nuclear fusion reactions in which ionized hydrogen in the form of plasma collides at high speeds and releases helium …
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