SCHEDULE: NOV 15-20, 2015

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OPESCI: Open Performance portablE Seismic Imaging

SESSION: Regular & ACM Student Research Competition Poster Reception

EVENT TYPE: Posters, Receptions, ACM Student Research Competition

EVENT TAG(S): HPC Beginner Friendly, Regular Poster

TIME: 5:15PM - 7:00PM

SESSION CHAIR(S): Michela Becchi, Manish Parashar, Dorian C. Arnold

AUTHOR(S):Marcos de Aguiar, Gerard Gorman, Renato Miceli, Christian Jacobs, Michael Lange, Tianjiao Sun, Felippe Zacarias

ROOM:Level 4 - Lobby

ABSTRACT:

Entering the exascale era, HPC architectures are rapidly changing and diversifying, to continue delivering performance increases. These changes offer opportunities while also demanding disruptive software changes to harness the full hardware potential. The question is how to achieve an acceptable degree of performance portability across diverse, rapidly evolving architectures, in spite of the sharp trade-off between easy-to-maintain, portable software written in high-level languages, and highly optimized, parallel codes for target architectures.
The solution proposed is to leverage domain-specific languages (DSL), and code generators to introduce multiple layers of abstraction. At the highest level, application developers write algorithms in clear, concise manner, while at the lower levels source-to-source compilers transforms DSL codes into highly optimized native codes that can be compiled for target platforms for near-to-peak performance. The framework provides layers, decoupling domain experts from code tuning specialists, where different optimized code generator back ends can be replaced.

Chair/Author Details:

Michela Becchi, Manish Parashar, Dorian C. Arnold (Chair) - University of Missouri|Rutgers University|University of New Mexico|

Marcos de Aguiar - SENAI CIMATEC

Gerard Gorman - Imperial College London

Renato Miceli - SENAI CIMATEC

Christian Jacobs - Imperial College London

Michael Lange - Imperial College London

Tianjiao Sun - Imperial College London

Felippe Zacarias - SENAI CIMATEC

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