Performance of crossbar interconnection networks in presence of ‘hot spots’

Pombortsis, A. ; Halatsis, Constantin (1988-02-04)


In the letter we present an interference analysis of an N × N crossbar for a tightly coupled multiprocessor in the presence of ‘hot spot’ traffic conditions. The analysis shows that this hot spot traffic model includes the uniform traffic model as a special case and that the crossbar network compared to multistage networks is less affected by this nonuniformity of memory reference patterns.

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