Abstract
Many common implementations of Message P assing Interface (MPI) implement collectiv e operations over poin t-to-poin toperations. This work examines IP multicast as a framework for collectiv e operations. IP multicast is not reliable. If a receiver is not ready when a message is sent via IP multicast, the message is lost. Two techniques for ensuring that a message is not lost due to a slow receiving process are examined. The techniques are implemented and compared experimentally over both a shared and a switched Fast Ethernet. The average performance of collective operations is improved as a function of the number of participating processes and message size for both networks.
This work was supported by Grant #ESS-9996143 from the National Science Foundation
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© 2000 Springer-Verlag Berlin Heidelberg
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Chen, H.A., Carrasco, Y.O., Apon, A.W. (2000). MPI Collective Operations over IP Multicast. In: Rolim, J. (eds) Parallel and Distributed Processing. IPDPS 2000. Lecture Notes in Computer Science, vol 1800. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45591-4_6
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DOI: https://doi.org/10.1007/3-540-45591-4_6
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