Rectangle-packing-based module placement
ICCAD '95 Proceedings of the 1995 IEEE/ACM international conference on Computer-aided design
An efficient implementation of a scaling minimum-cost flow algorithm
Journal of Algorithms
Multilevel hypergraph partitioning: application in VLSI domain
DAC '97 Proceedings of the 34th annual Design Automation Conference
The ISPD98 circuit benchmark suite
ISPD '98 Proceedings of the 1998 international symposium on Physical design
Classical floorplanning harmful?
ISPD '00 Proceedings of the 2000 international symposium on Physical design
B*-Trees: a new representation for non-slicing floorplans
Proceedings of the 37th Annual Design Automation Conference
Can recursive bisection alone produce routable placements?
Proceedings of the 37th Annual Design Automation Conference
Multilevel floorplanning/placement for large-scale modules using B*-trees
Proceedings of the 40th annual Design Automation Conference
A Standard-Cell Placement Tool for Designs with High Row Utilization
ICCD '02 Proceedings of the 2002 IEEE International Conference on Computer Design: VLSI in Computers and Processors (ICCD'02)
Implementation and extensibility of an analytic placer
Proceedings of the 2004 international symposium on Physical design
An area-optimality study of floorplanning
Proceedings of the 2004 international symposium on Physical design
Recursive bisection based mixed block placement
Proceedings of the 2004 international symposium on Physical design
An Enhanced Multilevel Algorithm for Circuit Placement
Proceedings of the 2003 IEEE/ACM international conference on Computer-aided design
An Improved Multi-Level Framework for Force-Directed Placement
Proceedings of the conference on Design, Automation and Test in Europe - Volume 2
Modern floorplanning based on fast simulated annealing
Proceedings of the 2005 international symposium on Physical design
Are floorplan representations important in digital design?
Proceedings of the 2005 international symposium on Physical design
Unified quadratic programming approach for mixed mode placement
Proceedings of the 2005 international symposium on Physical design
The ISPD2005 placement contest and benchmark suite
Proceedings of the 2005 international symposium on Physical design
Capo: robust and scalable open-source min-cut floorplacer
Proceedings of the 2005 international symposium on Physical design
Dragon2005: large-scale mixed-size placement tool
Proceedings of the 2005 international symposium on Physical design
An analytic placer for mixed-size placement and timing-driven placement
Proceedings of the 2004 IEEE/ACM International conference on Computer-aided design
Multi-level placement for large-scale mixed-size IC designs
ASP-DAC '03 Proceedings of the 2003 Asia and South Pacific Design Automation Conference
Fast floorplanning by look-ahead enabled recursive bipartitioning
Proceedings of the 2005 Asia and South Pacific Design Automation Conference
Optimal redistribution of white space for wire length minimization
Proceedings of the 2005 Asia and South Pacific Design Automation Conference
ISPD 2006 Placement Contest: Benchmark Suite and Results
Proceedings of the 2006 international symposium on Physical design
Solving hard instances of floorplacement
Proceedings of the 2006 international symposium on Physical design
Effective linear programming based placement methods
Proceedings of the 2006 international symposium on Physical design
Robust mixed-size placement under tight white-space constraints
ICCAD '05 Proceedings of the 2005 IEEE/ACM International conference on Computer-aided design
IMF: interconnect-driven multilevel floorplanning for large-scale building-module designs
ICCAD '05 Proceedings of the 2005 IEEE/ACM International conference on Computer-aided design
Architecture and details of a high quality, large-scale analytical placer
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
Modern Circuit Placement: Best Practices and Results
Modern Circuit Placement: Best Practices and Results
Fixed-outline floorplanning: enabling hierarchical design
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
Effective free space management for cut-based placement via analytical constraint generation
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Progress and challenges in VLSI placement research
Proceedings of the International Conference on Computer-Aided Design
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Physical design of modern systems-on-chip is extremely challenging. Such digital integrated circuits often contain tens of millions of logic gates, intellectual property blocks, embedded memories and custom register-transfer level (RTL) blocks. At current and future technology nodes, their power and performance are impacted, more than ever, by the placement of their modules. However, our experiments show that traditional techniques for placement and floorplanning, and existing academic tools cannot reliably solve the placement task. To study this problem, we identify particularly difficult industrial instances and reproduce the failures of existing tools by modifying pre-existing benchmark instances. Furthermore, we propose algorithms that facilitate placement of these difficult instances. Empirically, our techniques consistently produce legal placements, and on instances where comparison is possible, reduce wirelength by 13% over Capo 9.4 and 31% over PATOMA 1.0-the pre-existing tools that most frequently produce legal placements in our experiments.