Skip to main content

Technology255

OLCF technology articles.

OLCF GT CFD simulationFeaturedTechnology

New CFD Methodology Supersizes Results

Using a new computational technique called information geometric regularization (IGR) researchers from the Georgia Institute of Technology and the Courant Institute of Mathematical Sciences at New York University conducted the largest-ever computational fluid dynamics (CFD) simulation of fluid flow on the Frontier supercomputer at the Department of Energy’s Oak Ridge…
Coury Turczyn
September 30, 2025
Frontier digital twinFeaturedPeopleTechnology

OLCF, HPE Team Honored for ExaDigiT Innovation

An ORNL-led team recently received an R&D 100 Award for their work on ExaDigiT, a first-of-its-kind integrated framework that allows up-to-the-second virtual representation of computing centers for maximum performance. A team led by researchers from the Oak Ridge Leadership Computing Facility at the Department of Energy’s Oak Ridge National Laboratory…
Matt Lakin
September 24, 2025
A person talking in a large room with many people sitting at long tables.FeaturedScienceTechnology

Users of Oak Ridge Leadership Computing Facility Gather for 21st Annual Meeting

The Oak Ridge Leadership Computing Facility (OLCF) welcomed computational scientists from around the world to its 2025 OLCF User Meeting at the Department of Energy’s Oak Ridge National Laboratory from Aug. 5 – 6. The event offered attendees an opportunity to share accomplishments, discuss challenges, and explore the road ahead for high-performance computing…
Angela Gosnell
September 9, 2025
Quantum Brilliance at OLCFFeaturedTechnology

Q&A: Inside Quantum Brilliance’s Quantum Computer Technology

With the installation of a Quantum Brilliance system in its Advanced Computing Ecosystem testbed, the Oak Ridge Leadership Computing Facility has an on-site quantum computer cluster for OLCF staff to explore how to integrate this emerging technology into classical high-performance computing, or HPC. While most experimental quantum computers demand extreme…
Coury Turczyn
September 2, 2025
A group of people standing outside.FeaturedTechnology

ORNL Hosts Inaugural Quantum Systems & Software Workshop

The Department of Energy’s Oak Ridge National Laboratory hosted the first Oak Ridge Quantum Systems & Software Workshop (OQSSw) on July 25, bringing together 75 participants from national laboratories, academia and industry. ORNL organizers launched the workshop as the first step toward building a unified software stack for quantum-classical hybrid computing.…
Angela Gosnell
August 29, 2025
PCIP interns at OLCFFeaturedTechnology

Back to HPC Basics

Building on a successful pilot with students from this summer’s Pathways to Computing Internship Program, the Oak Ridge Leadership Computing Facility at the Department of Energy’s Oak Ridge National Laboratory will launch a new training program to develop the next generation of advanced computing professionals: hands-on administration of high-performance computing,…
Coury Turczyn
August 14, 2025
jet plumes CFD ORNLFeaturedTechnology

Shock Treatment for CFD Simulations

A team of researchers from the Georgia Institute of Technology conducted the largest-ever computational fluid dynamics, or CFD, simulation of high-speed compressible fluid flows. Using the Frontier supercomputer at the Department of Energy’s Oak Ridge National Laboratory, the team applied a new computational technique called information geometric regularization, or IGR.…
Coury Turczyn
July 23, 2025
Labs of the Future workshop report cover and pages on a green backgroundFeaturedTechnology

Scientists Lay Out Vision for AI-Based ‘Labs of the Future’

A workshop led by scientists at the Department of Energy’s Oak Ridge National Laboratory sketched a road map toward a longtime goal: development of autonomous, or self-driving, next-generation research laboratories. Scientists have dreamed for generations of high-tech laboratories operated via robotics at the push of a button.  Recent advancements in artificial intelligence…
Matt Lakin
February 26, 2025
FeaturedOLCF HistoryScienceTechnology

Frontier Supercomputer Hits New Highs in Third Year of Exascale

Two-and-a-half years after breaking the exascale barrier, the Frontier supercomputer at the Department of Energy’s Oak Ridge National Laboratory continues to set new standards for its computing speed and performance. The HPE Cray EX supercomputing system reported new highs for problem-solving speeds this week, updated for the TOP500 announcement at the International Conference…
Matt Lakin
November 18, 2024
FeaturedTechnology

DOE’s Quantum Computing User Program releases Request for Information to Gather Input on Quantum Computing Access

The Department of Energy’s Quantum Computing User Program, or QCUP, at the Oak Ridge Leadership Computing Facility, or OLCF, enables scientific discovery and technological innovation by providing a diverse community of scientific researchers access to quantum computing resources. This competitive merit-based access program partners with quantum computing vendors to provide…
Katie Bethea
November 15, 2024
FeaturedTechnology

Goodbye HPSS, Hello Kronos

Users of the Oak Ridge Leadership Computing Facility are experiencing big changes with how their data is stored — in a good way. As the OLCF’s High Performance Storage System is to be decommissioned in early 2025 after decades of service, users are becoming familiar with Kronos, which is already proving its ease of use and…
Angela Gosnell
October 22, 2024
Exascale new frontier OLCF BannerFeaturedScienceTechnology

Exascale’s New Frontier: GAMESS

In 2016, the Department of Energy’s Exascale Computing Project, or 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 applications and software tools to leverage exascale’s thousandfold…
Matt Lakin
September 30, 2024
Exascale new frontier OLCF BannerFeaturedScienceTechnology

Exascale’s New Frontier: ExaAM

PI: Matt Bement Computational Sciences, Oak Ridge National Laboratory In 2016, the Department of Energy’s Exascale Computing Project, or 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…
Matt Lakin
September 23, 2024
Exascale new frontier OLCF BannerFeaturedScienceTechnology

Exascale’s New Frontier: ExaBiome

PI: Kathy Yelick Lawrence Berkeley National Laboratory In 2016, the Department of Energy’s Exascale Computing Project, or 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 applications…
Matt Lakin
September 23, 2024