OpenACC

OpenMP and OpenACC are widely used directive-based application program interfaces (APIs) that allow computer scientists and engineers to program applications on shared memory and accelerator architectures on high-performance computing (HPC) …
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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 …
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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.

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One of the biggest hurdles for users who want to take advantage of accelerated computing is the time required to write and update software. That’s especially true for industrial users, …
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When scientists run their scientific applications on massive supercomputers, the last thing they want to worry about is optimizing their codes for new architectures. Computer scientist Sunita Chandrasekaran at the …
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Oak Ridge Leadership Computing Facility (OLCF) staff members led talks, tutorials, and discussions on the present and future of GPU computing at the GPU Technology Conference (GTC) May 8–11 in …
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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 …
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Last month staff members from the Oak Ridge Leadership Computing Facility (OLCF) at the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) presented for the first time at the 2016 Association for …
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A team at the Oak Ridge Leadership Computing Facility recently addressed a performance bottleneck in one portion of an OLCF user’s application. Because of its efforts, the user’s team saw a sixfold performance improvement in the code.
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For the sixth year in a row, staff from the Oak Ridge Leadership Computing Facility (OLCF) networked with promising graduate fellows and introduced them to research opportunities during the US …
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During the four-day GPU Technology Conference, OLCF user support specialist led efforts to train users for Titan and prepare applications for Summit, the OLCF’s next supercomputer, set to be delivering science in 2018.
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The Oak Ridge Leadership Computing Facility hosted its GPU hackathon October 19–23 at the Marriott hotel in downtown Knoxville.
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OLCF team members Fernanda Foertter, Oscar Hernandez, and Markus Eisenbach served as hosts for the OpenACC meeting at DOE’s Oak Ridge National Laboratory.
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Representatives from the OLCF held prominent roles at CSGF Program Review July 27–30 in Arlington, Virginia.
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New and long-time Titan users attended the annual Oak Ridge Leadership Computing Facility (OLCF) User Meeting in June to learn about, share, and discuss the most recent science OLCF users are conducting on Titan.
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Organizers from the OLCF, the University of Illinois Coordinated Science Laboratory and National Center for Supercomputing Applications, NVIDIA, and The Portland Group gathered last month for the next round of applications acceleration programming.
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