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2018 GTC San Jose

S8811 - An Agile Approach to Building a GPU-enabled and Performance-portable Global Cloud-resolving Atmospheric Model

Session Speakers
Session Description

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.


Additional Information
Climate/Weather/Ocean Modeling Performance Optimization
Government / National Labs Higher Education / Research
All technical
Talk
25 minutes
Session Schedule