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» Floorplan area minimization using Lagrangian relaxation
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ISPD
2000
ACM
113views Hardware» more  ISPD 2000»
13 years 9 months ago
Floorplan area minimization using Lagrangian relaxation
modules can be handled in constraint graphs efficiently. This Floorplan area minimization is an important problem because many modules have shape flexibilities during the floorplan...
Fung Yu Young, Chris C. N. Chu, W. S. Luk, Y. C. W...
ICCAD
2006
IEEE
123views Hardware» more  ICCAD 2006»
14 years 2 months ago
A revisit to floorplan optimization by Lagrangian relaxation
With the advent of deep sub-micron (DSM) era, floorplanning has become increasingly important in physical design process. In this paper we clarify a misunderstanding in using Lag...
Chuan Lin, Hai Zhou, Chris C. N. Chu
CCO
2001
Springer
157views Combinatorics» more  CCO 2001»
13 years 9 months ago
Lagrangian Relaxation
Lagrangian relaxation is commonly used in combinatorial optimization to generate lower bounds for a minimization problem. We propose a modified Lagrangian relaxation which used i...
Claude Lemaréchal
CORR
2012
Springer
224views Education» more  CORR 2012»
12 years 1 months ago
On the Lagrangian Biduality of Sparsity Minimization Problems
We present a novel primal-dual analysis on a class of NPhard sparsity minimization problems to provide new interpretations for their well known convex relaxations. We show that th...
Dheeraj Singaraju, Ehsan Elhamifar, Roberto Tron, ...
ICCAD
1998
IEEE
93views Hardware» more  ICCAD 1998»
13 years 9 months ago
Fast and exact simultaneous gate and wire sizing by Lagrangian relaxation
This paper considers simultaneous gate and wire sizing for general very large scale integrated (VLSI) circuits under the Elmore delay model. We present a fast and exact algorithm w...
Chung-Ping Chen, Chris C. N. Chu, D. F. Wong