Single-port and multi-port collective communication operations on single and dual Cell BE processor systems
by Farshad Khunjush, David Gong, Nikitas J. Dimopoulos
International Journal of Communication Networks and Distributed Systems (IJCNDS), Vol. 6, No. 4, 2011

Abstract: Recently, a set of factors has been leading high-performance processor architectures toward designs that feature multiple processing cores on a single chip (a.k.a. CMP). The cell broadband engine (BE) shows potential to provide high-performance to parallel applications (e.g., MPI applications). An efficient implementation of collective communication operations is one of the key issues to reach high-performance and scalability in parallel applications. In this work, we implement several collective communications and investigate their performance in terms of latency and the associated components. For this, broadcast, all-gather and total-exchange functions are implemented on the Cell BE processor.

Online publication date: Thu, 26-Feb-2015

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