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Group photo of workshop attendeesPeopleScience

Previewing the New Frontier of High-Performance Computing

In the main banquet room of Knoxville, Tennessee’s downtown Hilton Hotel, more than 150 scientists from around the world got their first peek at the exascale computing power that will become available for their research projects in two short years. The US Department of Energy’s (DOE’s) Oak Ridge Leadership Computing…
Coury Turczyn
October 28, 2019
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Annual OpenACC Meeting Promotes Programming Innovation

Every year, the OpenACC annual meeting brings together representatives from national laboratories, universities, and other research institutions to exchange information and expand the programming model’s uses in various science domains. A directive-based and performance-portable parallel programming model designed to program many types of accelerators, OpenACC is compatible with the C,…
Elizabeth Rosenthal
October 9, 2018
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Faces of Summit: Getting Acclimated

Ashleigh Barnes simulates metal–organic frameworks (MOFs) using the LSDalton chemistry code. Pictured left, a visualization of a magnesium-based MOF made up of magnesium ions (green) and organic linkers consisting of carbon (tan), oxygen (orange), and hydrogen (white) atoms. A carbon dioxide molecule (floating tan and orange molecule) has been adsorbed…
Rachel McDowell
September 17, 2018
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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
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Teams Gear up for Summit at Fourth Annual GPU Hackathon

At the Oak Ridge Leadership Computing Facility’s (OLCF’s) fourth annual GPU Hackathon, event programmers again successfully adapted their applications for GPU architectures. The 5-day event at the Hilton in Knoxville, Tennessee, took place the week of October 9 during the installation of the OLCF’s next flagship supercomputer, Summit. The event drew…
Rachel McDowell
November 28, 2017
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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
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Annual User Meeting Spotlights Titan, Summit, and Deep Learning

One hundred twenty-three Oak Ridge Leadership Computing Facility (OLCF) users and staff members attended the annual OLCF User Meeting in May to share achievements on Titan, discuss the next big Summit supercomputer, and delve into deep learning concepts. The event, held May 23–25 at the US Department of Energy’s (DOE’s) Oak…
Rachel McDowell
June 27, 2017
Science

Putting the Pedal to the Metal in the Hunt for Alloys

High-temperature alloys, often used in power plants and automobile engines, are valued in engineering because they can withstand temperatures that are a high fraction of their melting point. Operating power plants and engines at higher temperatures typically allows for more efficient energy generation, so developing higher temperature alloys is desirable.…
Rachel McDowell
June 26, 2017
Technology

OLCF Explores Deep Learning with DGX-1

The Oak Ridge Leadership Computing Facility (OLCF) recently deployed a new NVIDIA DGX‑1 artificial intelligence supercomputer era offer scientists and researchers opportunities to delve into deep learning technologies with more vigor than ever before. Deep learning uses neural networks to classify data or predict outcomes by training models on large data…
Rachel McDowell
June 5, 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
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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

Summer Interns’ Innovations Benefit OLCF and Beyond

OLCF 2016 summer interns include (front row, left to right) Michaela Vaitova, Luna Xu, Jeffrey Graves, Duane Vick, Arghya Chatterjee, Lechen Yu, Joseph Huber, andHyogi Sim; (second row, left to right) Alexander Walker, Sarah Neuwirth, Woong Shin, Sisi Xiong, Peter Xenopoulos, Wei Xie, Marshall “Drew” Cage, Oumar Diallo, Aaron Barlow,…
Rachel McDowell
July 26, 2016
People

Accelerating Codes at University of Delaware Hackathon

The University of Delaware hosted this year’s second OLCF-involved hackathon, where programmers from national laboratories, universities, and vendors gather to share application GPU portability expertise and learn how to program for a hybrid CPU–GPU machine like the OLCF’s Titan supercomputer.
Miki Nolin
June 14, 2016