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In this paper, the authors present the design and implementation of Neptune, a Domain Specific Language (DSL) that automates configuration and deployment of existing HPC software via cloud computing platforms. They integrate Neptune into a popular, open-source cloud platform, and extend the platform with support for user-level and automated placement of cloud services and HPC components. Such platform integration of Neptune facilitates hybrid-cloud application execution as well as portability across disparate cloud fabrics. They evaluate Neptune using different applications that employ a wide range of popular HPC packages for their implementation including MPI, X10, MapReduce, DFSP, and dwSSA. In addition, they show how Neptune can be extended to support other HPC software and application domains.
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