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Title:
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Bandwidth of crossbar and multiple-bus connections for multiprocessors
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Author:
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Lang, Tomás; Valero Cortés, Mateo; Alegre de Miguel, Ignasi
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Other authors:
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Universitat Politècnica de Catalunya. Departament d'Arquitectura de Computadors; Facultat d'Informàtica de Barcelona; Universitat Politècnica de Catalunya. CAP - Grup de Computació d'Altes Prestacions |
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Abstract:
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In this paper we compare the effective bandwidth in a multiprocessor with shared memory using as interconnection networks the crossbar or the multiple-bus. We consider a system with N processors and N memory modules, in which the processor requests to the memory modules are independent and uniformly distributed random variables. We consider two cases: in the first the processor makes another request immediately after a memory service, and in the second there is some internal processing time. |
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Abstract:
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Peer Reviewed |
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Subject(s):
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-Àrees temàtiques de la UPC::Informàtica::Arquitectura de computadors
-Multiprocessors
-Bus arbitration
-Memory bandwidth
-Multiple buses
-Shared memory
-Multiprocessadors |
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Rights:
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Document type:
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Article - Published version
Article |
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