MMP: a novel placement algorithm for combined macro block and standard cell layout design
ASP-DAC '00 Proceedings of the 2000 Asia and South Pacific Design Automation Conference
Consistent placement of macro-blocks using floorplanning and standard-cell placement
Proceedings of the 2002 international symposium on Physical design
Recursive bisection based mixed block placement
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
Combinatorial techniques for mixed-size placement
ACM Transactions on Design Automation of Electronic Systems (TODAES)
Unification of partitioning, placement and floorplanning
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
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
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
Mixed-size placement via line search
ICCAD '05 Proceedings of the 2005 IEEE/ACM International conference on Computer-aided design
Mixed-size placement with fixed macrocells using grid-warping
Proceedings of the 2007 international symposium on Physical design
The ISPD global routing benchmark suite
Proceedings of the 2008 international symposium on Physical design
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Modern designs often contain a combination of a large number of standard cells and macro blocks. Traditionally large macro blocks are handled at the floorplanning level, after which their positions are fixed. The standard cells are then handled during the placement level. Current designs can have hundreds of large and medium sized macro blocks and a large number of standard cells. As a result, traditional floorplanning techniques cannot scale to this problem, both in terms of runtime and solution quality. Hence a technique is required to simultaneously handle this combination of placeable objects.In this paper, we present a combined placement and floorplanning approach for mixed-mode placement. We extend the efficient analytical placement algorithm FastPlace by integrating a simulated annealing based floorplanner to solve the global placement problem for mixed-mode designs. We also present an efficient and effective detailed placement algorithm to improve the wirelength of the global placement solution based on a greedy swapping heuristic.