2004 | OriginalPaper | Buchkapitel
The Impact of File Systems on MPI-IO Scalability
verfasst von : Rob Latham, Rob Ross, Rajeev Thakur
Erschienen in: Recent Advances in Parallel Virtual Machine and Message Passing Interface
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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As the number of nodes in cluster systems continues to grow, leveraging scalable algorithms in all aspects of such systems becomes key to maintaining performance. While scalable algorithms have been applied successfully in some areas of parallel I/O, many operations are still performed in an uncoordinated manner. In this work we consider, in three file system scenarios, the possibilities for applying scalable algorithms to the many operations that make up the MPI-IO interface. From this evaluation we extract a set of file system characteristics that aid in developing scalable MPI-IO implementations.