Generic global placement and floorplanning
DAC '98 Proceedings of the 35th annual Design Automation Conference
Numerical Recipes in C++: the art of scientific computing
Numerical Recipes in C++: the art of scientific computing
Mongrel: hybrid techniques for standard cell placement
Proceedings of the 2000 IEEE/ACM international conference on Computer-aided design
Almost optimum placement legalization by minimum cost flow and dynamic programming
Proceedings of the 2004 international symposium on Physical design
Sensitivity guided net weighting for placement driven synthesis
Proceedings of the 2004 international symposium on Physical design
Fractional Cut: Improved Recursive Bisection Placement
Proceedings of the 2003 IEEE/ACM international conference on Computer-aided design
True crosstalk aware incremental placement with noise map
Proceedings of the 2004 IEEE/ACM International conference on Computer-aided design
Computational geometry based placement migration
ICCAD '05 Proceedings of the 2005 IEEE/ACM International conference on Computer-aided design
Constraint-driven floorplan repair
Proceedings of the 43rd annual Design Automation Conference
A new LP based incremental timing driven placement for high performance designs
Proceedings of the 43rd annual Design Automation Conference
The nuts and bolts of physical synthesis
Proceedings of the 2007 international workshop on System level interconnect prediction
A morphing approach to address placement stability
Proceedings of the 2007 international symposium on Physical design
RQL: global placement via relaxed quadratic spreading and linearization
Proceedings of the 44th annual Design Automation Conference
The coming of age of physical synthesis
Proceedings of the 2007 IEEE/ACM international conference on Computer-aided design
Abacus: fast legalization of standard cell circuits with minimal movement
Proceedings of the 2008 international symposium on Physical design
DPlace2.0: a stable and efficient analytical placement based on diffusion
Proceedings of the 2008 Asia and South Pacific Design Automation Conference
Constraint-driven floorplan repair
ACM Transactions on Design Automation of Electronic Systems (TODAES)
A Relocation Method for Circuit Modifications
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Effective congestion reduction for IC package substrate routing
ACM Transactions on Design Automation of Electronic Systems (TODAES)
History-based VLSI legalization using network flow
Proceedings of the 47th Design Automation Conference
Heat diffusion based dynamic load balancing for distributed virtual environments
Proceedings of the 17th ACM Symposium on Virtual Reality Software and Technology
WRIP: logic restructuring techniques for wirelength-driven incremental placement
Proceedings of the great lakes symposium on VLSI
Progress and challenges in VLSI placement research
Proceedings of the International Conference on Computer-Aided Design
Intuitive ECO synthesis for high performance circuits
Proceedings of the Conference on Design, Automation and Test in Europe
VLSI legalization with minimum perturbation by iterative augmentation
DATE '12 Proceedings of the Conference on Design, Automation and Test in Europe
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Placement migration is the movement of cells within an existing placement to address a variety of post-placement design closure issues, such as timing, routing congestion, signal integrity, and heat distribution. To fix a design problem, one would like to perturb the design as little as possible while preserving the integrity of the original placement. This work presents a new diffusion-based placement method based on a discrete approximation to a closedform solution of the continuous diffusion equation. It has the advantage of smooth spreading, which helps preserve neighborhood characteristics of the original placement. Applying this technique to placement legalization demonstrates significant improvements in wire length and timing compared to other commonly used techniques.