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HPC

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
Science

3-D Models Help Scientists Gauge Flood Impact

Heavy rainfall can cause rivers and drainage systems to overflow or dams to break, leading to flood events that bring damage to property and road systems as well potential loss of human life. One such event in 2008 cost $10 billion in damages for the entire state of Iowa. After…
Rachel McDowell
July 18, 2017
People

OLCF Staff Reach Students through Coding Events

Daughters of ORNL staff members display their fractals on the visualization wall in the Exploratory Visualization Environment for Research in Science and Technology, or EVEREST. Pictured here are the girls with staff volunteers (front row, left to right) Ashley Nguyen, Dasha Herrmannova, Megan Bradley, Katherine Engstrom, Kate Carter, Anne Berres,…
Rachel McDowell
July 18, 2017
People

OLCF Brings Petascale Computing to 2017 APS March Meeting

National Center for Computational Sciences Director of Science Jack Wells co-organized a focus session called “Computational Physics at the Petascale and Beyond” at the APS March Meeting 2017 to bring high-performance computing topics to the largest gathering of physicists in the world. For staff at the Oak Ridge Leadership Computing…
Rachel McDowell
May 9, 2017
People

OLCF Conference Calls Equip Users with System Knowledge

OLCF staff members led an Introduction to VisIt conference call, which taught users about the open source visualization and animation tool VisIt. Pictured here are (left, front to back) Dave Pugmire, Sherry Ray, and Bill Renaud with (right, front to back) Chris Fuson, Suzanne Parete-Koon, and Ashley Barker. Need support?…
Rachel McDowell
April 18, 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

Longtime User Requests Added to Next Version of OpenACC

The Oak Ridge Leadership Computing Facility (OLCF) has helped lead many developments in parallel programming during the operation of its 27-petaflop Titan supercomputer, the first of its magnitude to use GPU accelerators for scientific computing. The OLCF is a US Department of Energy (DOE) Office of Science User Facility located…
Katie Elyce Jones
January 31, 2017
People

OLCF Staff Members Lead HPC Sessions at 2016 Tapia Conference

This fall, OLCF Staff members attended the 2016 Association for Computing Machinery’s Richard Tapia Celebration of Diversity in Computing conference. Pictured here are (left to right) Verónica Vergara Larrea, Bradley Szallar, Professor Richard A. Tapia, Kate Carter, and Adam Simpson. Last month staff members from the Oak Ridge Leadership Computing…
Rachel McDowell
November 29, 2016
People

OLCF’s Anantharaj Shares HPC Knowledge at Summer School

A total of 45 students participated in the 2016 International Summer School on Atmospheric and Oceanic Sciences (ISSAOS), titled “Advanced Programming Techniques for the Earth System Science.” Six continents were represented both in person and remotely, as all the summer school materials—lectures, workshop examples, and tutorial information—were also offered online…
Rachel McDowell
October 18, 2016
People

CSGF Annual Program Review Brings Staff and Students Together

OLCF Staff members (left to right) Verónica Vergara Larrea, Adam Simpson, and Judy Hill presented at the poster session during the 2016 CSGF Annual Program Review. For the sixth year in a row, staff from the Oak Ridge Leadership Computing Facility (OLCF) networked with promising graduate fellows and introduced them…
Rachel McDowell
September 6, 2016
People

OLCF Experts Lead and Learn at Cray User Group Meeting

ORNL and the OLCF once again took leadership roles at the annual CUG, which took place this spring in London, England. The technical conference brought users and administrators of Cray supercomputers, such as the OLCF’s Titan, to exchange expertise and experiences through a variety of events. The US Department of…
Miki Nolin
July 26, 2016
Events

Big Success at OLCF’s Largest User Meeting

Attendees of the annual OLCF User Meeting, held May 24–26 at ORNL, pose in front of the ORNL Visitor Center. One hundred thirty-three people attended, making it the largest user meeting to date. One hundred thirty-three people attended the 2016 Oak Ridge Leadership Computing Facility (OLCF) User Meeting, making it…
Miki Nolin
July 5, 2016
People

Wells Brings HPC Expertise to Seismology Meeting

By attending such meetings as that of the National Academy of Sciences’ Committee on Seismology and Geodynamics, OLCF Director of Science Jack Wells can network with prospective OLCF users. Jack Wells, director of science for the Oak Ridge Leadership Computing Facility (OLCF), a US Department of Energy Office of Science…
Maleia Wood
July 5, 2016
People

OLCF, ALCF, NERSC Co-host HPC Software Webinar Series

The Oak Ridge and Argonne Leadership Computing Facilities, the National Energy Research Scientific Computing Center, and the Interoperable Design of Extreme-scale Application Software project are presenting a series of webinars—“Best Practices for HPC Software Developers.”
Miki Nolin
May 31, 2016