This paper considers the building block method, which is one of the methods in VLSI layout design, and discusses the improvement of module placement assuming that a onedimensional placement of the modules is given as the initial placement. Discussions are made of the following: (1) The case ...
doi:US8028266 B2William D. RamsourSamuel I. WardUSUS8028266 * Jul 31, 2008 Sep 27, 2011 International Business Machines Corporation System and method for automated placement in custom VLSI circuit design with schematic-driven placement
Another scenario - there is routing congestion in some area and utilization is 100% but there are some areas in the design where utilization is less then 50%. Since you are using tools for everything and you don't want to do manually (shifting and all), you can use this concept....
A C++ library that implements the Fiduccia–Mattheyses algorithm for partitioning and placement in VLSI physical design automation. libVLSI ├─ LICENSE ├─ Makefile ├─ README.md ├─ bin ├─ include │ ├─ VLSI.h │ └─ utility.h ├─ main.cpp └─ src ├─ VLSI.cpp └─ utility...
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Placement is such a fundamental problem in VLSI design that there are so many different formulations and algorithms in the literature. This chapter is by no means a comprehensive survey on placement. In this chapter, total wirelength minimization for standard-cell design is focused. Algorithms for...
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Step 1)Find a way to parse input DEF file provided by VSD, which has locations, co-ordinates, instance names and many more information of all instances that you see in below image. It can be a command something like below read_def If the DEF file ...
As an efficient stochastic optimization methodology, simulated annealing (SA) is widely used in the area of very large-scale integration (VLSI) electronic design automation. However, a lot of effort is normally required to tune up SA parameters when being used for distinct applications. In this ...