Abstract
Cloud Computing emerged as a viable environment to perform scientific computation. The charging model and the elastic capability to allocate machines as needed are attractive for applications that execute traditionally in clusters or supercomputers. This paper presents our experiences of porting and executing a weather prediction application to the an IaaS cloud. We compared the execution of this application in our local cluster against the execution in the IaaS provider. Our results show that processing and networking in the cloud create a limiting factor compared to a physical cluster. Otherwise to store input and output data in the cloud presents a potential option to share results and to build a test-bed for a weather research platform on the cloud. Performance results show that a cloud infrastructure can be used as a viable alternative for HPC applications.
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Acknowledgments
The authors would like to thank the CPTEC by their help. This research has been partially supported by the CNPq, CAPES, Microsoft and the HPC4E project.
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CarreƱo, E.D., Roloff, E., Navaux, P.O.A. (2015). Porting a Numerical Atmospheric Model to a Cloud Service. In: Osthoff, C., Navaux, P., Barrios Hernandez, C., Silva Dias, P. (eds) High Performance Computing. CARLA 2015. Communications in Computer and Information Science, vol 565. Springer, Cham. https://doi.org/10.1007/978-3-319-26928-3_4
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DOI: https://doi.org/10.1007/978-3-319-26928-3_4
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