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OLCF technology articles.

RTXIndustryScienceTechnology

Summit Helps Forge Stronger Flights

Titanium alloys serve as cornerstone materials for the aerospace industry — stronger and lighter than steel, resistant to rust and corrosion and resilient past the melting points of most other metals. Companies such as RTX, formerly Raytheon Technologies, rely on these sturdy alloys to build such vital machinery as jet-engine turbine…
Matt Lakin
April 30, 2024
ADIOS team ORNLTechnology

Adaptable IO System Delivers the Data

Amid the challenges that the Department of Energy’s Oak Ridge Leadership Computing Facility faced in assembling and launching the world’s first exascale-class (more than a quintillion calculations per second) supercomputer, Frontier, one key component was hitch-free. Integral to Frontier’s functionality is its ability to store the vast amounts of data…
Coury Turczyn
April 29, 2024
ScienceTechnology

Steering Toward Quantum Simulation at Scale

Researchers simulated a key quantum state at one of the largest scales reported, with support from the Quantum Computing User Program, or QCUP, at the Department of Energy’s Oak Ridge National Laboratory. The techniques used by the team could help develop quantum simulation capabilities for the next generation of quantum…
Matt Lakin
April 22, 2024
Exascale new frontier OLCF BannerTechnology

Exascale’s New Frontier: LatticeQCD

PI: Andreas Kronfeld, Distinguished Scientist, Fermilab In 2016, the Department of Energy’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 leap meant rethinking, reinventing, and optimizing dozens of scientific applications and…
Coury Turczyn
February 22, 2024
ECP Software TechnologyTechnology

Exascale’s New Frontier: SLATE

PI: Mark Gates, Research Assistant Professor, Innovative Computing Laboratory at the University of Tennessee, Knoxville 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 leap…
Coury Turczyn
January 30, 2024
Exascale new frontier OLCF BannerScienceTechnology

Exascale’s New Frontier: E3SM-MMF

PI: Mark Taylor, Sandia National Laboratories In 2016, the Department of Energy’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 applications and software…
Matt Lakin
January 19, 2024
Exascale new frontier OLCF BannerIndustryScienceTechnology

Exascale’s New Frontier: Combustion-Pele

PI: Jacqueline Chen, Sandia National Laboratories In 2016, the Department of Energy’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 applications and software…
Matt Lakin
January 5, 2024
OLCF HistoryTechnology

Watch: ‘The Journey to Frontier’ Mini-Doc

The job of designing and building the world's first supercomputer capable of exascale speed — running at least a quintillion calculations per second — was no simple task. It took over 10 years of planning and advances in chip technology to culminate in the construction of the Frontier supercomputer at…
Matt Lakin
January 4, 2024
ScienceTechnology

OLCF Announces SummitPLUS Allocations

The Department of Energy’s Oak Ridge Leadership Computing Facility has informed the recipients of high-performance computing time through the SummitPLUS allocation program, which extends the operation of the Summit supercomputer through October 2024. Over 19 million hours of compute time will be distributed among 108 projects covering the gamut of…
Coury Turczyn
December 19, 2023
ECP Software TechnologyTechnology

Exascale’s New Frontier: Kokkos

Co-PI: Christian Robert Trott, Sandia National Laboratories Co-PI: Damien Lebrun-Grandie, Oak Ridge National Laboratory  In 2016, the Department of Energy’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 leap meant rethinking, reinventing, and…
Coury Turczyn
December 14, 2023
moleculesScienceTechnology

ORNL Scientists Generate Molecular Datasets at Extreme Scale

A team of computational scientists at the Department of Energy’s Oak Ridge National Laboratory has generated and released datasets of unprecedented scale that provide the ultraviolet visible spectral properties of over 10 million organic molecules. Understanding how a molecule interacts with light is essential to uncovering its electronic and optical…
Coury Turczyn
December 13, 2023
ECP Software TechnologyTechnology

Exascale’s New Frontier: SOLLVE

PI: Sunita Chandrasekaran, Brookhaven National Laboratory, University of Delaware In 2016, the Department of Energy’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 leap meant rethinking, reinventing, and optimizing dozens of…
Coury Turczyn
November 27, 2023
Technology

Exascale Day 2023

On October 18, the US Department of Energy's (DOE's) Oak Ridge National Laboratory (ORNL) is celebrating the fifth National Exascale Day. The holiday was created in 2019 as an initiative of DOE's Exascale Computing Project (ECP) and Cray, a Hewlett Packard Enterprise Company, to honor scientists and researchers who will…
Betsy Sonewald
October 16, 2023
Technology

ORNL Researchers Develop Open-Source Mixed-Precision Benchmark Tool

As Frontier, the world’s first exascale supercomputer, was being assembled at the Oak Ridge Leadership Computing Facility in 2021, understanding its performance on mixed-precision calculations remained a difficult prospect. That gap in understanding wasn’t an oversight but rather a sign of just how novel supercomputer systems that excel at mixed…
Coury Turczyn
September 22, 2023
Steven Hamilton ORNLTechnology

ExaSMR Nominated for 2023 ACM Gordon Bell Prize

The Exascale Small Modular Reactor effort, or ExaSMR, is a software stack developed over seven years under the Department of Energy’s Exascale Computing Project to produce the highest-resolution simulations of nuclear reactor systems to date. Now, ExaSMR has been nominated for a 2023 Gordon Bell Prize by the Association for Computing Machinery…
Coury Turczyn
September 11, 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
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
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