Interactive Grid Access With Mpi Support Using Gridsolve On Glite-Infrastructures
REMOTE INSTRUMENTATION FOR ESCIENCE AND RELATED ASPECTS(2012)
摘要
Grid infrastructures provide large computing resources for grand challenge applications. The Interactive European Grid project developed mechanisms for the interactive and MPI-parallel usage of these resources. This chapter presents in detail an interactive approach that allows API style communication with grid resources and execution of parallel applications using MPI. The RPC API of GridSolve and the middleware gLite are integrated by the software Giggle for resource allocation. Furthermore, we describe the adaption of Giggle and GridSolve to allow the remote execution of MPI applications on RPC basis. Performance measurements are carried out to benchmark the solution. We can show an overhead of only few seconds in contrast to a job submitted via gLite, which can take minutes. We find that our approach is mainly limited by the data transfer rates to the different computing sites.
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关键词
Message Passing Interface (MPI), Grand Challenge Applications, gLite Middleware, Giggles, Grid Resources
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