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a blue and white wisp of air flowing between two silver pillarsFeaturedScience

Quantum Study Seeks to Solve Questions on Fluid Flow

Researchers at the Department of Energy’s Oak Ridge National Laboratory tested a quantum computing approach to an old challenge: solving classical fluid dynamics problems. The study relied on support from the Quantum Computing User Program, or QCUP, part of ORNL’s Oak Ridge Leadership Computing Facility. The results highlight avenues for further study of quantum…
Matt Lakin
March 26, 2025
Science

Where Worlds Collide

Lawrence Berkeley National Laboratory physicists Christian Bauer, Marat Freytsis, and Benjamin Nachman have leveraged an IBM Q quantum computer through the Oak Ridge Leadership Computing Facility’s (OLCF's) Quantum Computing User Program (QCUP) to capture part of a calculation of two protons colliding. The calculation can show the probability that an…
Rachel McDowell
April 13, 2022
Technology

TechInt Develops New Solutions for Storage on Summit

The computational users running scientific codes on the Oak Ridge Leadership Computing Facility’s (OLCF’s) 200-petaflop IBM AC922 Summit supercomputer are generating more data than ever. To handle this data explosion, each Summit compute node is equipped with a solid-state storage device (SSD) that provides a fourfold speedup in the write…
Rachel McDowell
June 12, 2019
People

OLCF Scientist Talks Early Summit Results at APS Meeting

The American Physical Society's "Quarks to the Cosmos" meeting took place April 13–16 in Denver. Bronson Messer, a computational scientist at the Oak Ridge Leadership Computing Facility (OLCF), gave an invited talk at the American Physical Society’s (APS’s) “Quarks to the Cosmos” April meeting in Denver, detailing his current work…
Rachel McDowell
April 25, 2019
People

Faces of Summit: Succeeding by Leading

OLCF program director and project director for Summit, Buddy Bland has spent countless hours communicating and problem-solving with the system’s various stakeholders, including ORNL, DOE, and technology vendors IBM and NVIDIA, among others. On any given day at ORNL, Bland can be found participating in a project review, fielding updates…
Jonathan Hines
June 8, 2018
Matt Ezell works with the HPC systems team and other OLCF groups to identify bugs and technical issues with Summit’s software before the machine comes online.People

Faces of Summit: Leading a Systems Expedition

Matt Ezell works with the HPC systems team and other OLCF groups to identify bugs and technical issues with Summit’s software before the machine comes online. The Faces of Summit series shares stories of the people behind America’s top supercomputer for open science, the Oak Ridge Leadership Computing Facility’s Summit.…
Rachel McDowell
May 29, 2018
An image of a deuteron, the bound state of a proton and a neutronScience

Another First for Quantum

The beginnings of quantum computing bring about many firsts. In 2010 a team led by B. P. Lanyon simulated a hydrogen molecule, H2, on a quantum system for the first time. Last fall research scientists at IBM performed the first quantum calculations of molecules beyond hydrogen and helium. Now a…
Rachel McDowell
May 23, 2018
Novel deep learning approach helps to create more accurate representations of pathology reportsPeople

Faces of Summit: Serving up Software

Mark Berrill applies his knowledge in engineering and computing to manage software projects related to Summit, the OLCF's next leadership-class supercomputer. The Faces of Summit series shares stories of the people behind America’s top supercomputer for open science, the Oak Ridge Leadership Computing Facility’s Summit. The IBM AC922 machine launched…
Rachel McDowell
March 26, 2018
People

Faces of Summit: Putting the System to the Test

Verónica Vergara Larrea coordinates and organizes the test development and benchmarking for the OLCF’s next big supercomputer, Summit, as part of the system’s acceptance process. The Faces of Summit series shares stories of the people behind America’s top supercomputer for open science, the Oak Ridge Leadership Computing Facility’s Summit. The…
Rachel McDowell
January 17, 2018
People

Faces of Summit: Modeling Safety

Paul Abston, the safety and installation manager of the Summit supercomputer, brings more than 20 years of experience as a safety professional to the job. The Faces of Summit series shares stories of the people behind America’s top supercomputer for open science, the Oak Ridge Leadership Computing Facility’s Summit. The…
Jonathan Hines
November 28, 2017
Technology

Test System Arms OLCF with Experimental Technology

The Oak Ridge Leadership Computing Facility (OLCF) is now equipped with ARM1, a new test bed for the ARM architecture and its power-efficient processors. As an early development system, ARM1 gives researchers the opportunity to test various software packages and explore an experimental environment for ARM architecture–based systems. Because ARM…
Rachel McDowell
April 18, 2017
Technology

Ascending to Summit: Announcing Summitdev

Since having partnered with IBM, NVIDIA, and Mellanox in 2014, the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) has been forging the path to its next big supercomputer, Summit, which will feature an IBM POWER9 architecture and NVIDIA Volta GPUs. Scheduled to enter full production in 2019, Summit will allow researchers to dive…
Rachel McDowell
February 28, 2017
Technology

CAAR Team Members Test Compilers for Summit at IBM Hackathon

Former OLCF Postdoctoral Researcher and current NVIDIA Solutions Architect Tom Papatheodore (left) and OLCF Tools Developer Oscar Hernandez (right) attended an IBM hackathon for OpenMP 4.5 with Lixiang Luo (center), an IBM research staff member at the IBM/NVIDIA Center of Excellence at ORNL, to test compilers for Summit, the OLCF’s…
Rachel McDowell
December 7, 2016