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GTC ON-DEMAND

Climate, Weather & Ocean Modeling
Presentation
Media
Parallelization and Performance of the NIM Weather Model on CPU, GPU and MIC Architectures
Abstract:

In an era defined by increasing diversity in computing architectures, performance portability is a key requirement for weather and climate applications that require massive computing resources. In this talk, you will learn about how we developed and achieve performance on CPU, GPU and MIC architectures using industry-standard OpenACC and OpenMP directives. Performance results from the NIM weather model will be shown for a number of device, node and multi-node and system configurations. Further, communications optimizations will highlight a more than a 40% improvement in runtime with scaling to thousands of GPUs.

 
Topics:
Climate, Weather & Ocean Modeling, Programming Languages, HPC and Supercomputing
Type:
Talk
Event:
GTC Silicon Valley
Year:
2016
Session ID:
S6117
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