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Reports (Research Report) Year : 2004

Behavioral type inference for compositional system design


The design productivity gap has been recognized by the semiconductor industry as one of the major threats to the continued growth of system-on-chips and embedded systems. Ad-hoc system-level design methodologies, that lifts modeling to higher levels of abstraction, and the concept of intellectual property (IP), that promotes reuse of existing components, are essential steps to manage design complexity. However, the issue of compositional correctness arises with these steps. Given components from different manufacturers, designed with heterogeneous models, at different levels of abstraction, assembling them in a correct-by-construction manner is a difficult challenge. We address this challenge by proposing a process algebraic model to support system design with a formal model of computation and serve as a behavioral type system to capture the behavior of system components at the interface level. The proposed algebra is conceptually minimal, equipped with a formal semantics defined in a synchronous model of computation, and supports a scalable notion and a flexible degree of abstraction. We demonstrate its benefits by considering the type-based synthesis of latency-insensitive protocols. We show that the synthesis of component wrappers can be optimized by the behavioral information carried by interface type descriptions and yield minimized stalls and maximized throughput.
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Dates and versions

inria-00071442 , version 1 (23-05-2006)


  • HAL Id : inria-00071442 , version 1


Jean-Pierre Talpin, David Berner, Paul Le Guernic, Abdoulaye Gamatié, Rajesh Gupta, et al.. Behavioral type inference for compositional system design. [Research Report] RR-5141, INRIA. 2004. ⟨inria-00071442⟩
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