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Bandwidth of Crossbar and Multiple-Bus Connections for Multiprocessors

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3 Author(s)
Lang, T. ; Department of Computer Science, University of California ; Valero, M. ; Alegre, I.

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.

Published in:

Computers, IEEE Transactions on  (Volume:C-31 ,  Issue: 12 )