MPICH-GP: a Private-IP-Enabled MPI over grid environments

Authors:
Kumrye Park;Sungyong Park;Ohyoung Kwon;Hyoungwoo Park
Affiliations:
Dept. of Computer Science, Sogang University, Seoul, Korea;Dept. of Computer Science, Sogang University, Seoul, Korea;Korea University of Technology and Education, Chonan, Korea;Korea Institute of Science and Technology Information, Daejeon, Korea
Venue:
ISPA'04 Proceedings of the Second international conference on Parallel and Distributed Processing and Applications
Year:
2004

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Abstract

This paper presents an overview of MPICH-GP, which extends the MPICH-G2 functionality to support private IP clusters. To support the communication among private IP clusters, the MPICH-GP uses a communication relay scheme combining the NAT and a user-level proxy. The benchmarking results show that MPICH-GP outperforms the user-level two-proxy scheme used in PACX-MPI and Firewall-enabled MPICH-G, and also show comparable application performance to that of original MPICH-G2, especially in large message (or problem) size.