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Demystifying the World of High-Performance Computing

A series of hands-on training seminars offered through the Oak Ridge Leadership Computing Facility (OLCF), a US Department of Energy Office of Science user facility located at Oak Ridge National Laboratory (ORNL), is opening the doors of high-performance computing (HPC) to a wider audience. Usually offered to participants at events…
Betsy Sonewald
February 16, 2022
Tom PapatheodorePeople

Pioneering Frontier: Test-Driving with “User Zero”

The “Pioneering Frontier” series features stories profiling the many talented ORNL employees behind the construction and operation of the OLCF’s incoming exascale supercomputer, Frontier. The HPE Cray system is scheduled for delivery in 2021, with full user operations in 2022. When Tom Papatheodore logs on, the discoveries begin. Papatheodore, a…
Matt Lakin
August 31, 2021
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Hands-On Supercomputing

On June 21–22, interns and other participants at Oak Ridge National Laboratory had the chance to run challenge problems on the nation’s fastest supercomputer at a summer hands-on training session hosted by the Oak Ridge Leadership Computing Facility (OLCF), a US Department of Energy Office of Science user facility. This…
Matt Lakin
July 22, 2021
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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
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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
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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
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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
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Workshop Prepares HPC Users for Titan

ORNL is upgrading its Jaguar supercomputer to become Titan, a Cray XK6 that will be capable of 10 to 20 petaflops by early 2013. To prepare users for impending changes to the computer’s architecture, OLCF staff held a series of workshops January 23 through 27.
OLCF Staff Writer
February 27, 2012
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Titan Summit Shares OLCF and User Expectations

The Titan Summit workshop held August 15–17, 2011, covered the evolution to the next level of high-performance computational resources, enabling more groundbreaking research in climate, energy creation and storage, biology, chemistry, astrophysics, and materials.
OLCF Staff Writer
September 12, 2011