SCHEDULE: NOV 15-20, 2015

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Portable Programs for Heterogeneous Computing: A Hands-On Introduction

SESSION: Portable Programs for Heterogeneous Computing: A Hands-On Introduction

EVENT TYPE: Tutorials

EVENT TAG(S): Programming Systems, Algorithms

TIME: 8:30AM - 5:00PM

Presenter(s):Tim Mattson, Alice Koniges, Simon McIntosh-Smith

ROOM:17B

ABSTRACT:

Heterogeneous computing involves programs running on systems composed of some combination of CPUs, GPUs and other processors critical for high performance computing (HPC). To succeed as a long-term architecture for HPC, however, it is vital that the center of attention shift away from proprietary programming models to standards-based approaches.

This tutorial is a unique blend of a high-level survey and a hands-on introduction to writing portable software for heterogeneous platforms. We will only work with portable APIs and languages supported by vendor-neutral standards. We believe such an approach is critical if the goal is to build a body of software for use across multiple hardware generations and platforms from competing vendors.

We’ll start with OpenCL using the Python interface. By using Python we avoid many of the complexities associated with the host programming API thereby freeing-up more time to focus on the kernel programs that run on the OpenCL devices (such as a GPU or the Intel® Xeon Phi™ coprocessor). Then in the second half of the tutorial, we will shift gears to the OpenMP 4.1 target directive (and associated constructs).

Chair/Presenter Details:

Tim Mattson - Intel Corporation

Alice Koniges - Lawrence Berkeley National Laboratory

Simon McIntosh-Smith - University of Bristol

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