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ISC 2015 Interview: Programming Models on the Road to Exascale

Dr. Michèle Weiland, EPCC

ISC 2015 will host a number of sessions on Exascale computing next month in Frankfurt. In what looks to be one of the highlights of the conference, Bill Gropp, Georg Hager, and Paul Kelly will discuss Programming Models on the Road to Exascale. To learn more, we caught up with the Session Chair, Dr Michèle Weiland, who serves as a Project Manager at the EPCC supercomputing center at the University of Edinburgh.

Video: Porting Scientific Apps to GPUs with OpenACC

seismic

In this video from the GPU Technology Conference, Saber Feki from KAUST and Ahmed Al-Jarro from Fujitsu Labs in Europe present: Experiences in Porting Scientific Applications to GPUs Using OpenACC.

Video: Porting Physics Apps to Titan with OpenACC

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In this video, Aaron Vose from Cray presents: Porting Computational Physics Applications to the Titan Supercomputer with OpenACC and OpenMP.

Comparing OpenACC and OpenMP Performance and Programmability

larkin

“OpenACC and OpenMP provide programmers with two good options for portable, high-level parallel programming for GPUs. This talk will discuss similarities and differences between the two specifications in terms of programmability, portability, and performance.”

Video: Enabling OpenACC Performance Analysis

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Learn how OpenACC runtimes also exposes performance-related information revealing where your OpenACC applications are wasting clock cycles. The talk will show that profilers can connect with OpenACC applications to record how much time is spent in OpenACC regions and what device activity it turns into.

Call for Papers: Workshop on Accelerator Programming using Directives

The 2nd Workshop on Accelerator Programming using Directives has issued its Call for Papers. The WACCPD Workshop takes place Nov. 16 in Austin in conjunction with SC15.

Video: OpenACC for Fortran Programmers

wolfe

“Learn how to program NVIDIA GPUs using Fortran with OpenACC directives. The first half of this presentation will introduce OpenACC to new GPU and OpenACC programmers, providing the basic material necessary to start successfully using GPUs for your Fortran programs. The second half will be intermediate material, with more advanced hints and tips for Fortran programmers with larger applications that they want to accelerate with a GPU. Among the topics to be covered will be dynamic device data lifetimes, global data, procedure calls, derived type support, and much more.”

The Past, Present, and Future of OpenACC

larkin

In this video from the University of Houston CACDS HPC Workshop, Jeff Larkin from Nvidia presents: The Past, Present, and Future of OpenACC. “OpenACC is an open specification for programming accelerators with compiler directives. It aims to provide a simple path for accelerating existing applications for a wide range of devices in a performance portable way. This talk with discuss the history and goals of OpenACC, how it is being used today, and what challenges it will address in the future.”

Performance Challenges Using OpenACC to Port O&G Apps

cray

“John Levesque is the Director of the Cray’s Supercomputer Center of Excellence based at Oakridge National Laboratory. He is responsible for the group performing application porting and optimization for break-through science projects. Levesque has been in High Performance computing for 40 years. Recently Levesque was promoted to Cray’s Chief Technology Office, heading the companies efforts in application performance.”

Three GPU Hackathons Going Global with OpenACC

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NCSA, ORNL, and CSCS will host a series of GPU Hackathons in 2015.