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Traffic-Specific Interconnection Networks for Multicomputers

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2 Author(s)
Nichols, K.M. ; AT&T Bell Laboratories ; Messerschmitt, D.G.

Special-purpose networks of processors and intelligent switching devices can be programmed to solve problems with inherent parallelism. The target algorithm is coded into a number of asynchronously executing parallel tasks, and assigned to specific processors. For well-known algorithms, information about the data communicated between these tasks (traffic) can be characterized and used by a heuristic algorithm to produce a specialized interconnection network of switching devices at a lower cost and increased performance over the use of a general purpose structure. A program was developed which uses intertask communications to automatically generate interconnection structures of switch chips (SC's). Simulation results were used to compare cost/performance measures for the program-generated networks with some well-known structures, using both statistically generated traffic patterns and the simulation of real applications.

Published in:

Computers, IEEE Transactions on  (Volume:C-36 ,  Issue: 10 )