“The migration to a heterogeneous architecture has presented new challenges to the application community, most notably the development of a programming strategy that allows applications to run efficiently on the hybrid architecture, while maintaining portability with other more conventional computer architectures. This talk will review the deployment of petascale capabilities at ORNL that has led to the current architectural direction and will discuss the preparations aimed at ensuring a successful transition to heterogeneous architectures for some key simulation problems, including global atmospheric modeling.”
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