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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
People

Jack Wells to Help Strengthen OpenACC User Community

On June 16, OpenACC.org announced that Jack Wells of Oak Ridge National Laboratory (ORNL) will serve as its newly elected vice president. Wells is currently the director of science for ORNL’s National Center for Computational Sciences, home of the Department of Energy’s (DOE’s) Oak Ridge Leadership Computing Facility. Wells will…
Will Wells
June 28, 2019
People

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
Industry

Boosting Industry with OpenACC

This image shows a visualization of a turbomachinery problem conducted by Ramgen Power Systems using Fine/Turbo, a computational fluid dynamics application created by software company Numeca and accelerated using OpenACC directives. One of the biggest hurdles for users who want to take advantage of accelerated computing is the time required…
Jonathan Hines
May 29, 2018
Technology

Optimizing Miniapps for Better Portability

Minisweep performs a “sweep” computation across a grid (pictured)—representative of a 3D volume in space—to calculate the positions, energies, and flows of neutrons in a nuclear reactor. The yellow cube marks the beginning location of the sweep. The green cubes are dependent upon information from the yellow cube, the blue…
Rachel McDowell
January 17, 2018
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

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
Technology

OLCF Hosts First OpenACC Hackathon

From October 27 to 31, scientific computing teams from around the world gathered in Knoxville to participate in the OLCF’s inaugural Hackathon, an OpenACC event specifically aimed at scaling scientific applications to run on heterogeneous, high-performance computing systems such as Titan.
OLCF Staff Writer
December 10, 2014