A new scheduling based heuristic for three layer gridless channel routing

Author

Sherwani, Naveed A. ; Holmes, Nancy D. ; Gidwani, Roshan

Author_Institution

Dept. of Comput. Sci., Western Michigan Univ., Kalamazoo, MI, USA

fYear

1991

fDate

27-30 Mar 1991

Firstpage

769

Lastpage

775

Abstract

The authors develop a novel heuristic algorithm, SCHEDULER, for three-layer gridless channel routing. This algorithm is based on a mapping of two-processor resource constraint scheduling to three-layer gridless channel routing using the HVH model. This mapping permits the application of well-developed scheduling heuristics to the channel routing problem. SCHEDULER has been implemented and tested extensively. Experimental results show that the quality of the solutions generated is comparable to that of routings produced by existing three-layer channel routers assuming that doglegs are not allowed. Also, the scheduling-based heuristics are very fast and can route benchmark examples in less than two minutes on a SUN 3/60 workstation

Keywords

circuit layout CAD; scheduling; HVH model; SCHEDULER; SUN 3/60 workstation; scheduling based heuristic; three layer gridless channel routing; two-processor resource constraint scheduling; Algorithm design and analysis; Computer science; Heuristic algorithms; Minimization; Processor scheduling; Routing; Scheduling algorithm; Scholarships; Testing; Very large scale integration;

fLanguage

English

Publisher

ieee

Conference_Titel

Computers and Communications, 1991. Conference Proceedings., Tenth Annual International Phoenix Conference on

Conference_Location

Scottsdale, AZ

Print_ISBN

0-8186-2133-8

Type

conf

DOI

10.1109/PCCC.1991.113892

Filename

113892