Performance Issues of Synchronisation in the MPI-2 One-Sided Communication API

Authors:
Lars Schneidenbach;David Böhme;Bettina Schnor
Affiliations:
Institute for Computer Science, University of Potsdam, Germany;Institute for Computer Science, University of Potsdam, Germany;Institute for Computer Science, University of Potsdam, Germany
Venue:
Proceedings of the 15th European PVM/MPI Users' Group Meeting on Recent Advances in Parallel Virtual Machine and Message Passing Interface
Year:
2008

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Abstract

The efficient implementation of one-sided communication for cluster environments is a challenging task. Here, we present and discuss performance issues which are inherently created by the design of the MPI-2 API specification.Based on our investigations, we propose an one-sided communication API called NEON. The presented measurements with a real application demonstrate the benefits of the NEON approach.