Presentation 2010-11-18
On the Complexity of Three-Dimensional Orthogonal Face Routing
Satoshi TAYU, Shuichi UENO,
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Abstract(in English) The 3-D switchbox routing is a fundamental problem on the physical design of 3-D integrated circuits. The 3-D channel is a 3-D grid G and the terminals are vertices of G located in the faces of the 3-D channel. A net is a set of terminals to be connected. The objective of the 3-D switchbox routing problem is to connect the terminals in each net with a Steiner tree (wire) in G in such a way that wires for distinct nets are disjoint. The 3-D orthogonal face routing is a special case of the 3-D switchbox routing such that every terminal is located on a pair of orthogonal faces. This paper shows that the 3-D orthogonal face routing is intractable even though every net has terminals both on the orthogonal faces.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) 3-D channel / face / net / NP-hard / terminal
Paper # CAS2010-68,CST2010-41
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Committee CAS
Conference Date 2010/11/11(1days)
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Paper Information
Registration To Circuits and Systems (CAS)
Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) On the Complexity of Three-Dimensional Orthogonal Face Routing
Sub Title (in English)
Keyword(1) 3-D channel
Keyword(2) face
Keyword(3) net
Keyword(4) NP-hard
Keyword(5) terminal
1st Author's Name Satoshi TAYU
1st Author's Affiliation Department of Communications and Integrated Systems Tokyo Institute of Technology()
2nd Author's Name Shuichi UENO
2nd Author's Affiliation Department of Communications and Integrated Systems Tokyo Institute of Technology
Date 2010-11-18
Paper # CAS2010-68,CST2010-41
Volume (vol) vol.110
Number (no) 283
Page pp.pp.-
#Pages 6
Date of Issue