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Custom Software Speeds Up, Stabilizes High-Profile Ocean Model

On the beach, ocean waves provide soothing white noise. But in scientific laboratories, they play a key role in weather forecasting and climate research. Along with the atmosphere, the ocean is typically one of the largest and most computationally demanding components of Earth system models like the Department of Energy’s Energy Exascale…
Elizabeth Rosenthal
December 18, 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
Alex May ORNLPeople

Data Curation for the Exascale Era

This summer, Alex May faced a task daunting enough for any human: sift through a dataset of 10 million organic molecules, make sure everything was correct and get it done within two weeks. That task was not the first time May has had to assess voluminous amounts of data within a…
Coury Turczyn
December 13, 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
Science

Frontier Search for Lightweight, Flexible Alloys Wins Gordon Bell Prize

A team of eight scientists won the Association for Computing Machinery’s 2023 Gordon Bell Prize for their study that used the world’s first exascale supercomputer to run one of the largest simulations of an alloy ever and achieve near-quantum accuracy. The ACM Gordon Bell Prize recognizes outstanding achievement in high-performance…
Matt Lakin
November 16, 2023
Science

Pulling Clouds into Focus

The world’s first exascale supercomputer will help scientists peer into the future of global climate change and open a window into weather patterns that could affect the world a generation from now. The research team used Frontier, the 1.14-exaflop HPE Cray EX supercomputer at the Department of Energy’s Oak Ridge…
Matt Lakin
November 14, 2023
Science

Big Flex for Big Science

Researchers used the world’s first exascale supercomputer to run one of the largest simulations of an alloy ever and achieve near-quantum accuracy. The study led by the University of Michigan’s Vikram Gavini employed Frontier, the 1.14-exaflop HPE Cray EX supercomputer at the Department of Energy’s Oak Ridge National Laboratory, to…
Matt Lakin
November 14, 2023
Science

Integrated Research Infrastructure at ORNL

A pathway to modern, collaborative science The Department of Energy’s Integrated Research Infrastructure aims to empower researchers to meld DOE’s world-class research tools, infrastructure, and user facilities seamlessly and securely in novel ways to radically accelerate discovery and innovation. Envisioned in 2020 and beginning implementation in 2023, IRI is designed…
OLCF Staff Writer
November 10, 2023
Exascale new frontier OLCF BannerScience

Exascale’s New Frontier: EXAALT

PI: Danny Perez, Los Alamos 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 optimizing dozens of scientific applications…
Coury Turczyn
November 10, 2023
Science

ESnet Turns On 400G Circuits to Four DOE National Labs, Supercharging Multi-Site Scientific Research

By Bonnie Powell, ESnet Today’s world-changing scientific research is being conducted by collaborators at far-flung national laboratories who require high-speed, low-latency access to high performance computing facilities and specialized instruments. The Energy Sciences Network (ESnet) is proud to announce that it has supercharged the current and future bandwidth for four…
Betsy Sonewald
October 30, 2023
Exascale new frontier OLCF BannerScience

Exascale’s New Frontier: MFIX-Exa

PI: Jordan M. Musser, National Energy Technology Laboratory In 2016, the Department of Energy’s Exascale Computing Project 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
October 19, 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
Science

DOE’s First ‘Intro to HPC’ Bootcamp Focuses on Energy Justice and a New Model for Workforce Development

By Kathy Kincade, Lawrence Berkeley National Laboratory Energy justice and workforce development were the driving themes of the U.S. Department of Energy’s (DOE’s) first “Introduction to High-Performance Computing (HPC) Bootcamp,” held at Lawrence Berkeley National Laboratory (Berkeley Lab) August 7-11 and hosted by the National Energy Research Scientific Computing Center…
Betsy Sonewald
September 25, 2023
Science

OLCF Launches New Allocation Program, SummitPLUS

The Oak Ridge Leadership Computing Facility, a Department of Energy Office of Science user facility at DOE’s Oak Ridge National Laboratory, is pleased to announce a new allocation program for computing time on the IBM AC922 Summit supercomputer. The program, called SummitPLUS, will provide allocations to computationally ready projects and…
Betsy Sonewald
September 22, 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