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Les entrées-sorties dans les architectures massivement parallèles

Abstract : It is now generally accepted that for a large number of applications a system's global performance is affected if the transfer rate between computing units and storage devices is not fast enough. Throughout this thesis, we develop the idea that it is possible to design a universal and efficient I/O system within a scalable context if some given directives are followed from its conception. Our research integrates all of an I/O system's components. We first choose a hardware architecture which is suitable for the diverse types of I/O requests found in parallel applications. We present an architecture that is both universal and scalable that allows maximising parallelism. Secondly, we use our own micro-kernel, ParX, that offers basic mechanisms for a parallel file system's execution. For this, we first propose some extensions which are indispensable for better adapting ParX to the requirements of parallel I/O's, and later, to exploit file mapping onto address spaces, we develop original mechanisms which are necessary for implementing a common address space in a scalable distributed memory architecture. Finally, we introduce the basic principles that must be observed to reconcile generality and high performances in the design of a parallel and scalable file system. The structure of the file system proposed at the end of this document is the result of the application of these principles.
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Submitted on : Thursday, June 9, 2005 - 4:07:05 PM
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  • HAL Id : tel-00005040, version 2




Harold Castro. Les entrées-sorties dans les architectures massivement parallèles. Réseaux et télécommunications [cs.NI]. Institut National Polytechnique de Grenoble - INPG, 1995. Français. ⟨tel-00005040v2⟩



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