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Java-based communication in a High Performance Computing environment

Published online by Cambridge University Press:  15 February 2011

A. Fries
Departament d’Astronomia i Meteorologia, Universitat de Barcelona, Spain
J. Portell i de Mora
Departament d’Astronomia i Meteorologia, Universitat de Barcelona, Spain
R. Sirvent
Barcelona Supercomputing Centre, Spain
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Java is one of the most widely used computer programming languages, however its use in High Performance Computing (HPC) is relatively low. A typical HPC environment consists of a number of multi-core computing nodes, while a typical application running in such an environment will normally contain CPU intensive code that can be executed in parallel. Such an application may require inter-node as well as intra-node communication. Message Passing Interface (MPI) is a language independent specification of an API to allow such communication. MPJExpress (Baker et al. 2006) and F-MPJ (Taboada et al. 2009) are Java-based implementations of MPI, designed with the efficient performance of data transfers as a main objective. In this paper we discuss the scalability of one approach of distributing data to compute nodes in HPC and we propose the design of an alternative data transfer system, building upon MPI.

Research Article
© EAS, EDP Sciences 2011

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