A HIGH-LEVEL, OBJECT-ORIENTED APPROACH TO DIVIDE-AND-CONQUER
A. J. Piper and R. W. Prager
An object-oriented framework for the divide-and-conquer paradigm is presented. This framework does not require a parallelising compiler and thus provides an environment that is flexible and easily extensible. The framework enables a divide-and-conquer representation of a problem to be built up for subsequent evaluation. Evaluation is delayed until the maximum amount of computation that can be performed in one divide-and-conquer pass has been integrated into the representation. Results are presented for two different implementations of the back-propagation algorithm. Divide-and-conquer provides a flexible framework for the parallel implementation of various algorithms. Object-oriented programming techniques provide a means to encapsulate the divide-and-conquer semantics and provide a uniform interface to the end-user. This results in a reasonably efficient system for parallel problem solving which is easy to use and useful in a wide range of tasks.
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