Performance Measurements of Computing Networks

Igor Rozman, Marjan Šterk, Jaka Močnik, Borut Robič, Roman Trobec


This paper presents measured communication and computational performance results on an ad-hoc computing network composed of several geographically distributed nodes. Communication speed was measured for three basic communication patterns commonly used in parallel and distributed applications: point-to-point, bidirectional ring, and all-to-all communication. For that purpose simple test programs were made, based on the MPI library. The parallel execution
time of two real-life computationally intensive parallel applications is also presented.
Results show that only the applications with low communication requirements could be beneficially executed on computing networks.


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