Synchronous Non-local Image Processing on Orthogonal Multiprocessor Systems
VECPAR '00 Selected Papers and Invited Talks from the 4th International Conference on Vector and Parallel Processing
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In this paper we propose a new orthogonal partiallyshared memory architecture for the design of multiprocessorsystems. The architecture allows processors to partiallyshare a 2-D array of memory modules in an orthogonalway with less limitations than those imposed by the traditionalorthogonal (OMP) architecture. Processors havedirect access to large neighborhoods of memory moduleswhich can be used to improve processing efficiency, namelywith respect to local processing. The main characteristicsof the new architecture are described and compared withthe traditional orthogonal architecture. Image processingalgorithms have been mapped onto the new architecture,in order to evaluate its efficiency for local processing. Thefault tolerant characteristics of the system are also discussed.