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| A METHODOLOGY OF HIGH-LEVEL TECHNOLOGY MAPPING BASED ON KNOWLEDGE |
| Ma Cong; Wang Zuojian; Liu Mingye |
| Beijing Institute of Technology P.O.Box 327 Beijing 100081 China |
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Abstract This Paper is focused on the research of connecting the HLS(high level synthesis) result to the technology of IC. A knowledge-based high level technology mapping methodology is proposed, based on the traditional technology mapping theory. The method is discussed from the views of knowledge representation, knowledge acquirement and knowledge utilization, including: (1) initiating an expanded production representation approach for the knowledge of circuit structure; (2) presenting a technology mapping knowledge acquirement technique based on VHDL; (3) giving the controlling tactics and algorithms in knowledge utilization; (4) presenting a half-automatic method for KB(knowledge base) maintenance, with which, the
contradictory and the redundancy in KB can be found; (5) raising a practical method that embeds the algorithms into the knowledge-based system, in order to reduce the complexity of
the KB. This system has been connected to 3 kinds of IC production line, and this verifies the theory and method of the paper.
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Received: 29 January 1999
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2001, Vol. 23 
