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Bandwidth of Crossbar and Multiple-Bus Connections for Multiprocessors
December 1982 (vol. 31 no. 12)
pp. 1227-1234
T. Lang, Department of Computer Science, University of California
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.
Index Terms:
shared memory, Bus arbitration, memory bandwidth, multiple buses, multiprocessors
T. Lang, M. Valero, I. Alegre, "Bandwidth of Crossbar and Multiple-Bus Connections for Multiprocessors," IEEE Transactions on Computers, vol. 31, no. 12, pp. 1227-1234, Dec. 1982, doi:10.1109/TC.1982.1675947
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