Abstract
In this paper we present an approach to localize the data transfer in processor arrays. Our aim is to select channels between processors of the processor array performing the data transfers. Channels can be varying with respect to the bandwidth and to the communication delay and can be bidirectional. Our objective is to minimize the implementation cost of the channels while satisfying the data dependencies. The presented approach also applies to the problem of localizing data dependencies for a given interconnection topology. The formulation of our method as an integer linear program allows its use for automatic parallelization.
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