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DOE Graduate Fellows Train on Titan for a Future in HPC

The Oak Ridge Leadership Computing Facility (OLCF) recently provided introductory training in high-performance computing (HPC) and access to the facility’s Titan supercomputer to some of the nation’s top doctoral students in computational science. As a US Department of Energy (DOE) Office of Science User Facility, the OLCF and supercomputing centers…
Katie Elyce Jones
August 29, 2018
Science

ALCC Program Awards 14 Projects a Combined 729.5 Million Core Hours at the OLCF

Every year, the US Department of Energy’s (DOE’s) Office of Advanced Scientific Computing Research (ASCR) provides scientists with time on world-class computational resources across the country through the ASCR Leadership Computing Challenge (ALCC). The ALCC program grants 1-year awards to energy-related research efforts with an emphasis on high-risk, high-reward simulations…
Elizabeth Rosenthal
August 7, 2018
People

OLCF Workshop Introduces HPC Concepts

The Oak Ridge Leadership Computing Facility (OLCF) held an Introduction to High-Performance Computing (HPC) workshop June 26–28 at the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL). Using resources at the OLCF, a DOE Office of Science User Facility located at ORNL, researchers can tackle big science problems…
Elizabeth Rosenthal
July 17, 2018
People

OLCF Readies Users for Summit

Now that the Oak Ridge Leadership Computing Facility (OLCF) has launched its IBM AC922 Summit supercomputer, staff members in the OLCF’s User Assistance and Outreach (UAO) Group are planning robust training events intended to enhance user experiences on the new system. Unlike the OLCF’s current Cray XK7 Titan supercomputer, which…
Rachel McDowell
June 26, 2018
Technology

Summit by the Numbers

Download the high-resolution file. The US Department of Energy’s Summit supercomputer located at Oak Ridge National Laboratory enables scientists to simulate complex physical systems and make predictions critical to advancing research and development. Summit’s “smart” architecture merges GPU acceleration and dense local memory to support expanding applications in data science…
Katie Elyce Jones
June 8, 2018
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
particle physics, nuclear physics, supercomputingScience

With Supercomputing Power and an Unconventional Strategy, Scientists Solve a Next-Generation Physics Problem

Using the Titan supercomputer at the Oak Ridge Leadership Computing Facility (OLCF), a team of researchers has calculated a fundamental property of protons and neutrons, known as the nucleon axial coupling, with groundbreaking precision. Led by André Walker-Loud of the US Department of Energy’s (DOE’s) Lawrence Berkeley National Laboratory, the…
Katie Elyce Jones
May 30, 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
OLCF’s Chris Fuson is working with Summit vendors and OLCF team members to ready Summit’s batch scheduler and job launcher.People

Faces of Summit: Preparing to Launch

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 in June 2018. At the Oak Ridge Leadership Computing Facility (OLCF), supercomputing staff and users are already talking about what kinds…
Katie Elyce Jones
May 1, 2018
Sarp Oral enjoys challenges of designing a large-scale file systemPeople

Faces of Summit: Tackling Storage

Sarp Oral, the storage team lead for the TechInt group at the OLCF, works with other storage team members to deliver a file system that meets the requirements for reliability, capacity, and performance. The Faces of Summit series shares stories of the people behind America’s top supercomputer for open science,…
Rachel McDowell
May 1, 2018
People

Faces of Summit: Building a Better Summit

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 in June 2018. When the Oak Ridge Leadership Computing Facility’s (OLCF’s) newest supercomputer, Summit, comes on line in 2018 at the…
Katie Elyce Jones
February 27, 2018
Science

GM Revs up Diesel Combustion Modeling on Titan Supercomputer

https://vimeo.com/260126956 Most car owners in the United States do not think twice about passing over the diesel pump at the gas station. Instead, diesel fuel mostly powers our shipping trucks, boats, buses, and generators—and that is because diesel engines are about 10 percent more fuel-efficient than gasoline, saving companies money…
Katie Elyce Jones
February 7, 2018
Technology

New Discoveries Within ‘SIGHT’

SIGHT visualization from a project led by University of Virginia’s Leonid Zhigilei to explore how lasers transform metal surface. At the home of America’s most powerful supercomputer, the Oak Ridge Leadership Computing Facility (OLCF), researchers often simulate millions or billions of dynamic atoms to study complex problems in science and…
Katie Elyce Jones
February 7, 2018
People

Conferences Promote Greater Diversity in HPC

This fall, OLCF staff members provided information, presentations, and recruitment opportunities to those attending the Grace Hopper Celebration 2017. Pictured here are (from left to right standing) Sophie Voisin, Adam Carlyle, Ashleigh Barnes, Jayson Hines, Kate Carter and (from left to right sitting) Drahomira Herrmannova, Sarah powers, Catherine Schuman, Laura…
Josh Cunningham
November 28, 2017
Events

Ready for 25 More Years

Oak Ridge National Laboratory (ORNL) Director Thomas Zacharia, far right, leads a keynote panel “Building the Conditions for Innovation” that reflects on the Oak Ridge Leadership Computing Facility’s history and predicts what the future of high-performance computing may look like. Panel members include (left to right): Robert Ward (University of…
Katie Elyce Jones
November 10, 2017
Science

Sodium Shakedown in Dopamine Research

The chemical neurotransmitter dopamine is critical to sending and receiving signals in the nervous system linked to motor movements, learning, and habit formation, which is why many therapies for drug addiction and diseases related to the aging brain, such as Parkinson’s disease, target dopamine uptake. Central to uptake is the…
Katie Elyce Jones
September 19, 2017
Science

ALCC Program Awards 1 Billion Hours on OLCF Resources

Past ALCC project recipients have contributed to scientific discovery in the studies of energy efficiency, physics, materials science, and computer science. Each year, projects at the Oak Ridge Leadership Computing Facility (OLCF)—a US Department of Energy (DOE) Office of Science User Facility located at DOE’s Oak Ridge National Laboratory (ORNL)—are…
Josh Cunningham
August 9, 2017
People

OLCF Hosts CUDA Workshop for GPU Programming

A recent OLCF-hosted workshop, “Introduction to CUDA C/C++,” gave 40 students, interns, and researchers at ORNL a taste of lower-level programming on a GPU architecture. The 18,688 NVIDIA Tesla GPU accelerators in Titan, the Oak Ridge Leadership Computing Facility’s (OLCF’s) flagship supercomputer, can greatly boost code performance. Researchers interested in…
Rachel McDowell
August 9, 2017