Improving the Performance of Distributed Shared Memory Environments on Grid Multiprocessors

Authors:
Dimitris Dimitrelos;Constantine Halatsis
Affiliations:
-;-
Venue:
Euro-Par '99 Proceedings of the 5th International Euro-Par Conference on Parallel Processing
Year:
1999

Citing 2
Cited 0

MaDCoWS: A Scalable Distributed Shared Memory Environment for Massively Parallel Multiprocessors

HPCN Europe '99 Proceedings of the 7th International Conference on High-Performance Computing and Networking
Shared virtual memory on loosely coupled multiprocessors

Shared virtual memory on loosely coupled multiprocessors

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Abstract

Distributed Shared Memory (DSM) is a good solution to the scalability, complexity and high cost problems of large scale Shared Memory Multiprocessors, as well as to the difficulty of the programming model problem of the message passing Distributed Memory Multiprocessors. We present a method for improving the performance of Distributed Shared Memory Environments running on grid multiprocessors. The method is based on removing the inherent centralism imposed by X-Y routing that causes congestion in the centre of the grid Simulation, as well as implementation results on a 1024 processor machine show an improvement of up to 24%.