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GTC ON-DEMAND

Climate, Weather & Ocean Modeling
Presentation
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An Agile Approach to Building a GPU-enabled and Performance-portable Global Cloud-resolving Atmospheric Model
Abstract:
We'll give a high-level overview of the results of these efforts, and how we built a cross-organizational partnership to achieve them. Ours is a directive-based approach using OMP and OpenACC to achieve portability. We have focused on achieving good performance on three main architectural branches available to us, namely: traditional multi-core processors (e.g. Intel Xeons), core processors such as the Intel Xeon Phi, and, of course NVIDIA GPUs. Our focus has been on creating tools for accelerating the optimization process, techniques for effective cross-platform optimization, and methodologies for characterizing and understanding performance. The results are encouraging, suggesting a path forward based on standard directives for responding to the pressures of future architectures.
 
Topics:
Climate, Weather & Ocean Modeling, Performance Optimization
Type:
Talk
Event:
GTC Silicon Valley
Year:
2018
Session ID:
S8811
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