A logic synthesis system based on global dynamic extraction and flexible cost

An efficient algorithm for a logic synthesis system based on global dynamic extraction and flexible cost (GDEF) is described. The GDEF is designed to find the best common subexpression and to update the value of the other common subexpressions dynamically. The GDEF feedbacks approximate layout area...

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Bibliographic Details
Published in[1993] Proceedings Third Great Lakes Symposium on VLSI-Design Automation of High Performance VLSI Systems pp. 123 - 126
Main Authors Chen, Y., Tsai, W.K., Kurdahi, F.J.
Format Conference Proceeding
LanguageEnglish
Published IEEE Comput. Soc. Press 1993
Subjects
Area measurement
Circuits
Cost function
Feedback
Kernel
Logic design
Routing
Very large scale integration
Wiring
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Summary:An efficient algorithm for a logic synthesis system based on global dynamic extraction and flexible cost (GDEF) is described. The GDEF is designed to find the best common subexpression and to update the value of the other common subexpressions dynamically. The GDEF feedbacks approximate layout area obtained through an area-estimation program to guide the logic synthesis process. In this approach, the cost function is dependent on both literal count and estimated area.< >
ISBN:9780818634307
0818634308
DOI:10.1109/GLSV.1993.224465