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Concurrency in Synchronous Systems

Dumitru Potop-Butucaru 1 Benoit Caillaud 1 Albert Benveniste 1
1 S4 - System synthesis and supervision, scenarios
IRISA - Institut de Recherche en Informatique et Systèmes Aléatoires, Inria Rennes – Bretagne Atlantique
Abstract : In this paper we introduce the notion of weak endochrony, which extends to a synchronous setting the classical theory of Mazurkiewicz traces. The notion is useful in the synthesis of correct-by-construction communication protocols for globally asynchronous, locally synchronous (GALS) systems. The independence between various computations can be exploited here to provide communication schemes that do not restrict concurrency while still guaranteeing correctness. Such communication schemes are then lighter and more flexible than their latency-insensitive or endo/isochronous counterparts.
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Dumitru Potop-Butucaru, Benoit Caillaud, Albert Benveniste. Concurrency in Synchronous Systems. Formal Methods in System Design, Springer Verlag, 2006, 28 (2), pp.111-130. ⟨10.1007/s10703-006-7844-8⟩. ⟨inria-00124252⟩

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