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GTC On-Demand

Climate, Weather, Ocean Modeling
Presentation
Media
Performance Optimization for Scientific Applications
Alan Gray (NVIDIA)
We'll take you on a journey through enabling applications for GPUs; interoperability of different languages (including Fortran, OpenACC, C, and CUDA); CUDA library interfacing; data management, movement, and layout tuning; kernel optimization; tool ...Read More
We'll take you on a journey through enabling applications for GPUs; interoperability of different languages (including Fortran, OpenACC, C, and CUDA); CUDA library interfacing; data management, movement, and layout tuning; kernel optimization; tool usage; multi-GPU data transfer; and performance modeling. We'll show how careful optimizations can have a dramatic effect and push application performance towards the maximum possible on the hardware. We'll describe tuning of multi-GPU communications, including efficient exploitation of high-bandwidth NVLink hardware. The applications used in this study are from the domain of numerical weather prediction, and also feature in the ESCAPE European collaborative project, but we'll present widely relevant techniques in a generic and easily transferable way.  Back
 
Keywords:
Climate, Weather, Ocean Modeling, Performance Optimization, GTC Silicon Valley 2018 - ID S8190
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