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Parallel Computing 19 (1993) 455-461 455 North-Holland
 

Summary: Parallel Computing 19 (1993) 455-461 455
North-Holland
PARCO 734A
Short communication
Effect of hot-spots on the performance
of crossbar multiprocessor systems
M. Atiquzzaman a and M.M. Banat b
a Department of Computer Science & Computer Engineering, La Trobe University, Melbourne,
I/ictoria 3083, Australia
b Electrical Engineering Department, University of Ottawa, Ont., Canada K1N 6N5
Received 26 March 1992
Abstract
Atiquzzaman, M. and M.M. Banat, Effect of hot-spots on the performance of crossbar multiprocessor systems,
Parallel Computing 19 (1993) 455-461.
Previous studies on the performance of crossbar multiprocessor systems have assumed a uniform memory
reference model. Hot-spots arising in multiprocessor systems due to the use of shared variables, synchroniza-
tion primitives, etc. give rise to nonuniform memory reference pattern. This paper presents an analytical
expression for calculating the average memory bandwidth of a crossbar multiprocessor system having a hot
memory. The expression is verified by simulation results.
Keywords. Average memory bandwidth; hot-spot memory contention; multiprocessors; performance evalua-

  

Source: Atiquzzaman, Mohammed - School of Computer Science, University of Oklahoma

 

Collections: Computer Technologies and Information Sciences