Adaptation of partitioning and high-level synthesis in hardware/software co-synthesis
ICCAD '94 Proceedings of the 1994 IEEE/ACM international conference on Computer-aided design
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ISSS '95 Proceedings of the 8th international symposium on System synthesis
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ICCAD '95 Proceedings of the 1995 IEEE/ACM international conference on Computer-aided design
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IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
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This paper presents methodology and tools developed for the ECOS project. The main contributions of this project in hardware/software codesign include formal specifications of a system and hardware/software partitioning. By refinement, an acyclic graph is deduced from the formal specifications of the system, and this graph is the entry point of partitioning algorithms. The ECOS framework provides two partitioning algorithms selected according to the complexity of the system. The first one is exhaustive and is adapted to small systems. The second one lets the designer specify the trade-off between the heuristic execution time and the solution quality. Moreover, the partitioning methodology takes into account the impact of communication and includes communication constraints. Graphical tools are briefly described that facilitate the codesign process.