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Title: Paralex: An Environment for Parellel Programming in Distributed Systems
Authors: Babaoglu, Ozalp
Alvisi, Lorenzo
Amoroso, Alessandro
Davoli, Renzo
Giachini, Luigi Alberto
Keywords: computer science
technical report
Issue Date: Dec-1991
Publisher: Cornell University
Abstract: Modern distributed systems consisting of powerful workstations and high-speed interconnection networks are an economical alternative to special-purpose super computers. The technical issues that need to be addressed in exploiting the parallelism inherent in a distributed system include heterogeneity, high-latency communication, fault tolerance and dynamic load balancing. Current software systems for parallel programming provide little or no automatic support towards these issues and require users to be experts in fault-tolerant distributed computing. The Paralex system is aimed at exploring the extent to which the parallel application programmer can be liberated from the complexities of distributed systems. Paralex is a complete programming environment and makes extensive use of graphics to define, edit, execute and debug parallel scientific applications. All of the necessary code for distributing the computation across a network and replicating it to achieve fault tolerance and dynamic load balancing is automatically generated by the system. In this paper we give an overview of Paralex and present our experiences with a prototype implementation
Appears in Collections:Computer Science Technical Reports

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