Design issues in the implementation of MPI2 one sided communication in Ethernet based networks

Authors:
Lars Schneidenbach;Bettina Schnor
Affiliations:
Institute for Computer Science, University of Potsdam, Germany;Institute for Computer Science, University of Potsdam, Germany
Venue:
PDCN'07 Proceedings of the 25th conference on Proceedings of the 25th IASTED International Multi-Conference: parallel and distributed computing and networks
Year:
2007

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Abstract

In current research, one sided communication of the MPI2 standard is pushed as a promising technique [6, 7, 10, 18]. But measurements of applications and MPI2 primitives show a different picture [17]. In this paper we analyze design issues of MPI2 one sided communication and its implementations. We focus on asynchronous communication for parallel applications in Ethernet cluster environments. Further, one sided communication is compared to two sided communication. This paper will prove that the key problem to performance is not only the implementation of MPI2 one sided communication - it is the design.