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Friday, October 30 • 12:00pm - 12:45pm
OpenMP GPU/Accelerator support Coming of Age in Clang

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GPU/Accelerator computing will be the basis for the future of Exacale computing through the DOE's CORAL project. It is also the basis for future features for C++ Std's SG14's Games Development/Low Latency/Real Time/Graphics Study Group. However, llvm currently lacks a unified platform-neutral infrastructure for offloading to GPUs/Accelerators, which severely limits clang/llvm usage in these hugely important application domains.

 

For the past several years, a number of contributors from AMD, Argonne National Lab., IBM, Intel, Texas Instruments, University of Houston and many others have come together to deliver OpenMP support to clang. OpenMP 3.1 is now officially in clang 3.7 and work continues to completion of OpenMP 4 aiming for clang 3.8. One of the most important features of OpenMP 4 standard is a vendor- and platform-neutral support for Accelerators.

 

 

The main presenters will be the OpenMP CEO and Chair of ISO C++'s SG5/SG14 along with the main developer who has been delivering OpenMP implementation in clang (with the help of many others). This talk will describe how GPU and Accelerators will be supported in clang. It offers an overview of the OpenMP 4 syntax, and a description of the upstreaming progress in both clang and llvm through this continued collaboration, as well as the offloading interface design that will describe target independent support across many hardware targets including Nvidia, Xeon Phi, ARM, and AMD devices.


Speakers
avatar for Michael Wong

Michael Wong

VP of R&D/Director, Codeplay Software/ISOCPP
Michael Wong is VP of R&D at Codeplay; a current Director and VP of ISOCPP.org, and a senior member of the C++ Standards Committee with 15 years of experience. He chairs the WG21 SG5 Transactional Memory and SG14 Games Development/Low Latency/Financials C++ groups and is the co-author of a number C++/OpenMP/Transactional Memory features including generalized attributes, user-defined literals, inheriting constructors, weakly ordered... Read More →


Friday October 30, 2015 12:00pm - 12:45pm
Salon III & Salon IV

Attendees (15)