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The MultiLoop programming construct

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1 Author(s)
Kalantery, N. ; Cavedish Sch. of Comput. Sci., Westminster Univ., London, UK

This paper introduces a new high-level parallel programming construct called multiLoop that is designed to extend existing imperative languages such as C and Java. A multiLoop statement translates to SPMD specification of a named group of synchronous-iterative processes. For efficient iterative communication, multiLoop provides a new publish/subscribe model of shared variable access. Under this model the sequential consistency of shared memory is maintained by a new, simple and efficient adaptation of virtual time paradigm. Virtual time is a localised message tagging and queuing procedure that provides a highly efficient alternative to barrier calls. ML-C, a prototype implementation based on C has been developed. We describe the programming model, discuss its implementation and present some empirical data showing good performance obtained for an example of the target class of applications.

Published in:

High-Level Parallel Programming Models and Supportive Environments, 2004. Proceedings. Ninth International Workshop on

Date of Conference:

26 April 2004