Nobuyuki Nishiguchi

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A novel floorplanning method is presented that models blocks as rectangular "balloon"s, which are gradually expanded to determine their shapes and placement. Unlike the existing approaches, which assume the floorplan to be a slicing structure or which never handle fixed-shaped blocks, this method can handle fixed-shaped blocks as well as variable-shaped(More)
A distributed processing system is described, which is dedicated to mdtilayer SOG routing. The system is constructed of global and detailed routers, each based on distinct rip-up and rerouting procedures, so as to be run on a computer network composed of a number of worlcstations. Several implementation results attained for jive-layer SOG are also shown to(More)
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