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Summit

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2019 Gordon Bell Finalists Powered by Summit

It has been a little over a year since the Oak Ridge Leadership Computing Facility (OLCF), a US Department of Energy (DOE) Office of Science User Facility, officially debuted the Summit supercomputer at DOE’s Oak Ridge National Laboratory (ORNL). Since then, the 200-petaflop IBM AC922 system has maintained its position…
Will Wells
October 10, 2019
Events

ORNL Staff Highlight OpenACC’s Role in HPC at Annual Meeting

The OLCF’s Director of Science Jack Wells gave a keynote talk at the 2019 OpenACC Annual Meeting last week about the OLCF’s experiences with and plans for OpenACC in past and future HPC architectures. OpenMP and OpenACC are widely used directive-based application program interfaces (APIs) that allow computer scientists and…
Rachel McDowell
September 12, 2019
GE's GENESIS solver (right) preserves many more wake details of interest in the flow field compared with a commercial solver (left). Image Credit: University of KansasScience

GPUs Power GE Code at OLCF Hackathons

The ability to simulate turbulent phenomena using high-performance computing (HPC) can provide industry with important insights for efficient engine design. Second only to the ability to perform these critical simulations is the speed at which they run. If a company can run a model more quickly, the number of possible…
Rachel McDowell
September 12, 2019
Image Credit: Carlos Jones, ORNLScience

ORNL-VA Collaboration Targets Veteran Suicide Epidemic

More than 6,000 veterans died by suicide in 2016, and from 2005 to 2016, the rate of veteran suicides in the United States increased by more than 25 percent. Suicide prevention is the US Department of Veterans Affairs’ (VA’s) highest priority—so much so that in recent years, the VA has…
Rachel McDowell
August 29, 2019
Science

ALCC Program Awards 6 Million Hours on OLCF Resources

Each year, researchers are awarded computing hours 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)—through the DOE Office of Advanced Scientific Computing Research’s (ASCR’s) Leadership Computing Challenge (ALCC). This year, 21 research…
Will Wells
July 31, 2019
PeopleTechnology

OLCF and Tech Company Providentia Worldwide Build Intelligence System for Supercomputer Cooling Plant

The Oak Ridge Leadership Computing Facility (OLCF) and technology consulting company Providentia Worldwide LLC recently collaborated to develop an intelligence system that combines real-time updates from the IBM AC922 Summit supercomputer with local weather and operational data from its adjacent cooling plant, with the goal of optimizing Summit’s energy efficiency.…
Katie Elyce Jones
July 31, 2019
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
Science

Summit Charts a Course to Uncover the Origins of Genetic Diseases

https://vimeo.com/336592112 A visualization of a new structure of the human PIC. The spheres correspond to the positions of patient-derived mutations color-coded by disease phenotype. Video credit: Ivaylo Ivanov, Georgia State University. Environmental conditions, lifestyle choices, chemical exposure, and foodborne and airborne pathogens are among the external factors that can cause…
Elizabeth Rosenthal
May 20, 2019
People

Upgraded Science Trailer Teaches Students about Supercomputing

“What’s Your Problem?” This question, emblazoned on the side of a bright red trailer, invites students of all ages to step into the world of computational science. This mobile exhibit showcases the scientific and technological achievements made possible by past, present, and future supercomputers located at the US Department of…
Elizabeth Rosenthal
April 25, 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

Adamson Named New Group Leader for HPC Core Ops

Ryan Adamson has been appointed group leader of the OLCF's HPC Core Ops. Image Credit: Carlos Jones, ORNL Ryan Adamson, former senior high-performance computing (HPC) security engineer at the Oak Ridge Leadership Computing Facility (OLCF), has been appointed group leader of the OLCF’s HPC Core Operations (HPC Core Ops) Group.…
Rachel McDowell
April 3, 2019
PeopleTechnology

Ready for Science: Summit Completes System Acceptance

A year-long acceptance process for the 200-petaflop, IBM AC922 Summit supercomputer at the US Department of Energy’s Oak Ridge National Laboratory (ORNL) is complete. Acceptance testing ensures that the supercomputer and its file system meet the functionality, performance, and stability requirements agreed upon by the facility and the vendor. To…
Katie Elyce Jones
December 20, 2018
People

Summit Facility Design Team Snags Tennessee Energy Award

The project team for the design and construction of the Summit supercomputing facility at the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) received the Tennessee Chamber of Commerce and Industry’s (TCCI’s) 2018 Energy Excellence Award. Operations Manager Stephen McNally of the Oak Ridge Leadership Computer Facility (OLCF),…
Katie Elyce Jones
December 3, 2018
People

GPU Hackathon Places Summit within Reach for Visiting Teams

Visiting teams representing academia, industry, and government participated in this year’s OLCF GPU Hackathon, held the week of October 22 in downtown Knoxville. Some teams used the time to prepare codes for the IBM AC922 Summit system. In less than 10 years, GPUs have become a proven engine of scientific…
Jonathan Hines
December 3, 2018
People

Teaching and Learning

Tom Papatheodore, an OLCF high-performance computing engineer and member of the User Assistance and Outreach Group, connects users to the resources and training materials they need to do cutting-edge computational science. “A big part of the reason I enjoy my job is because I get to be a part of…
Jonathan Hines
December 3, 2018