CERN Computing Seminar

CAPS OpenACC Compilers: Performance and Portability

by Stéphane Bihan (CAPS enterprise)

4-3-006 - TH Conference Room (CERN)

4-3-006 - TH Conference Room


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The announcement late 2011 of the new OpenACC directive-based programming standard supported by CAPS, CRAY and PGI compilers has open up the door to more scientific applications that can be ported on many-core systems. Following a porting methodology, this talk will first review the principles of programming with OpenACC and then the advanced features available in the CAPS compilers to further optimize OpenACC applications: library integration, tuning directives with auto-tune mechanisms to build applications adaptive to different GPUs. CAPS compilers use hardware vendors' backends such as NVIDIA CUDA and OpenCL making them the only OpenACC compilers supporting various many-core architectures.

About the speaker

Stéphane Bihan is co-funder and currently Director of Sales and Marketing at CAPS enterprise. He has held several R&D positions in companies such as ARC international plc in London, Canon Research Center France, ACE compiler experts in Amsterdam and the INRIA research lab. His work was devoted to the development of software development tools for specialized processors.

Organised by: Federico Carminati/PH Department and Miguel Angel Marquina
Computing Seminars /IT Department

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