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Exascale new frontier OLCF BannerScience

Exascale’s New Frontier: WDMApp

PI: Amitava Bhattacharjee Princeton Plasma Physics Laboratory In 2016, the US Department of Energy’s (DOE’s) Exascale Computing Project (ECP) set out to develop advanced software for the arrival of exascale-class supercomputers capable of a quintillion (10¹⁸) or more calculations per second. That meant rethinking, reinventing, and optimizing dozens of scientific…
Coury Turczyn
August 8, 2023
ORNL quantum workflowScienceTechnology

Shedding Light on Singlet Fission Materials

Using the full capabilities of the Quantinuum H1-1 quantum computer, researchers from the Department of Energy’s Oak Ridge National Laboratory not only demonstrated best practices for scientific computing on current quantum systems but also produced an intriguing scientific result. By modeling singlet fission — in which absorption of a single…
Coury Turczyn
July 28, 2023
Science

College students Have a Blast with ORNL During Virtual High-Performance Computing Competition 

Staff from the Department of Energy’s Oak Ridge National Laboratory returned this year to mentor students in the 2023 Winter Classic Invitational Student Cluster Competition. The virtual event invites student teams from historically Black colleges and universities and minority-serving institutions to take on high-performance computing challenges from mentor organizations. This…
Betsy Sonewald
July 25, 2023
Exascale new frontier OLCF BannerScience

Exascale’s New Frontier: WarpX

PI: Jean-Luc Vay, Accelerator Technology & Applied Physics Division at Lawrence Berkeley National Laboratory In 2016, the US Department of Energy’s (DOE’s) Exascale Computing Project (ECP) set out to develop advanced software for the arrival of exascale-class supercomputers capable of a quintillion (10¹⁸) or more calculations per second. That meant…
Coury Turczyn
July 18, 2023
cicada wing nanosurfaceScience

Advancing Nanoscience Through Largescale MD Simulations

Over the past decade, teams of engineers, chemists and biologists have analyzed the physical and chemical properties of cicada wings, hoping to unlock the secret of their ability to kill microbes on contact. If this function of nature can be replicated by science, it may lead to products with inherently…
Coury Turczyn
July 14, 2023
TFIIH protein complexScience

New Insights Into a Shapeshifting Protein Complex

Transcription factor IIH, or TFIIH, pronounced “TF two H,” is a veritable workhorse among the protein complexes that control human cell activity. It plays critical roles both in transcription — the highly regulated enzymatic synthesis of RNA from a DNA template — and in the repair of damaged DNA. But…
Coury Turczyn
July 7, 2023
dark matterScience

Peering into the Universe’s Dark Matter

A research team from the University of California, Santa Cruz, have used the Oak Ridge Leadership Computing Facility’s Summit supercomputer to run one of the most complete cosmological models yet to probe the properties of dark matter — the hypothetical cosmic web of the universe that largely remains a mystery…
Coury Turczyn
July 5, 2023
Technology

UnifyFS Team Wins IPDPS Award for Open-Source Software

A research team from the Department of Energy’s Oak Ridge and Lawrence Livermore national laboratories won the first Best Open-Source Contribution Award for its paper at the 37th IEEE International Parallel and Distributed Processing Symposium, or IPDPS, which was held in St. Petersburg, Florida, on May 15-19. The paper, “UnifyFS:…
Betsy Sonewald
June 30, 2023
IndustryScienceTechnology

Exascale Blastoff

With the world’s first exascale supercomputer now fully open for scientific business, researchers can thank the early users who helped get the machine up to speed. Frontier set a new record for computational power when the HPE Cray EX supercomputer at the Department of Energy’s Oak Ridge National Laboratory debuted…
Matt Lakin
June 28, 2023
core-collapse supernovaScience

Reaching a New Summit for Supernova Simulations

As a result of largescale 3D supernova simulations conducted on the Oak Ridge Leadership Computing Facility’s Summit supercomputer by researchers from the University of Tennessee and Oak Ridge National Laboratory, astrophysicists now have the most complete picture yet of what gravitational waves from exploding stars look like. This is critical…
Coury Turczyn
June 27, 2023
IndustryScience

GE Aerospace Runs One of the world’s Largest Supercomputer Simulations to Test Revolutionary New Open Fan Engine Architecture

GE Aerospace is first business to use the U.S. Department of Energy Oak Ridge National Laboratory’s Frontier supercomputer, the world’s fastest supercomputer Frontier can process billions upon billions of operations per second GE-developed models being used to study performance of open fan engine architecture for next-generation commercial aircraft engines These…
Katie Bethea
June 17, 2023
ScienceTechnology

Summit Study Fathoms Troubled Waters of Ocean Turbulence

Simulations performed on the Summit supercomputer at the Department of Energy’s Oak Ridge National Laboratory revealed new insights into the role of turbulence in mixing fluids and could open new possibilities for projecting climate change and studying fluid dynamics. The study, published in the Journal of Turbulence, used Summit to…
Matt Lakin
June 13, 2023
The Frontier HPE-Cray EX SupercomputerScienceTechnology

Visionary Report Unveils Ambitious Roadmap to Harness the Power of AI in Scientific Discovery

Innovations in artificial intelligence are rapidly shaping our world, from virtual assistants and chatbots to self-driving cars and automated manufacturing. Seizing on the potential of AI to transform science, the nation’s leading experts in science and technology have released a blueprint for the United States to accelerate progress by expanding its capabilities…
Scott Jones
June 13, 2023
People

LLNL’s Diachin Takes Helm of DOE’s Exascale Computing Project

By Jeremy Thomas, LLNL Lawrence Livermore National Laboratory’s Lori Diachin will take over as director of the Department of Energy’s Exascale Computing Project on June 1, guiding the successful, multi-institutional high-performance computing effort through its final stages. Diachin, who is currently the principal deputy associate director for LLNL’s Computing Directorate, has served…
Betsy Sonewald
June 1, 2023
People

The NCCS’s Operational Orchestrator

At the National Center for Computational Sciences (NCCS), Ashley Barker enjoys one of the least complicated–sounding job titles at the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL): section head of operations. But within that seemingly ordinary designation lurks a multitude of demanding roles as she oversees the…
Coury Turczyn
May 24, 2023
People

The OLCF’s Matt Sieger Selected to Lead OLCF-6

by Rachel McDowell The Oak Ridge Leadership Computing Facility’s (OLCF’s) Matt Sieger has been named the project director for the OLCF-6 effort. This next OLCF undertaking will plan and build a world-class successor to the OLCF’s still-new exascale system, Frontier. “I am delighted to welcome Matt Sieger as the new…
Coury Turczyn
May 24, 2023
Steven Hamilton, ORNLIndustryScienceTechnology

Predicting the Future of Fission Power

As renewable sources of energy such as wind and sun power are being increasingly added to the country’s electrical grid, old-fashioned nuclear energy is also being primed for a resurgence. For the past 20 years, fission reactors have produced a nearly unchanging portion of the nation’s electricity: around 20%. But…
Coury Turczyn
May 22, 2023