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The authors present the modeling of data-intensive parallel applications following the synchronous approach. They consider the GASPARD environment, which is dedicated to high-performance System-On-Chip (SoC) codesign. Their motivation is to bridge the gap between the GASPARD design approach and the formal validation techniques provided by the synchronous technology. First, they define a synchronous dataflow equational model of GASPARD models. The modeling formalism adopted in GASPARD consists of an extension of the domain-specific language Array-OL. Then, they address correctness issues (e.g., causality and synchronizability analyzes) about GASPARD models via their corresponding synchronous descriptions in order to formally validate the original system descriptions.
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