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GTC ON-DEMAND

Climate, Weather & Ocean Modeling
Presentation
Media
Accelerating NEMO with OpenACC
Abstract:

Learn how OpenACC can be used to accelerate a challenging application with a large amount of code and a flat profile. NEMO is an Ocean modeling code consisting of tens of thousands of lines of code, hundreds of subroutines. NEMO also has a flat execution profile, making it a challenge to expose opportunities for parallel acceleration. Using OpenACC directives, we show how the time stepping loop can be migrated to the GPU to achieve substantial performance improvements on multiple problems at small and large scales.

 
Topics:
Climate, Weather & Ocean Modeling, Programming Languages
Type:
Talk
Event:
GTC Silicon Valley
Year:
2013
Session ID:
S3209
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