The Network of Tasks Model
نویسنده
چکیده
We present a new model, the Networks of Tasks (NOT) model, that allows modules from skeletonlike languages to be embedded in static task graphs. The model is designed to provide transparent cost information, so that program designers can accurately predict the execution time performance of their programs as they assemble them. This is done by using an implementation technique called work-based allocation which uses adaptivity of the component node programs to execute the task graph with the same work and communication cost that is visible when the task graph is assembled. The semantics of NOT programs is simple enough that formal methods for developing them are straightforward. A re nement-based calculus for the NOT model is also outlined, and a law for handling residuals is given.
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تاریخ انتشار 1999