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» Quadratic placement using an improved timing model
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ISQED
2007
IEEE
152views Hardware» more  ISQED 2007»
13 years 10 months ago
Variation Aware Timing Based Placement Using Fuzzy Programming
In nanometer regime, the effects of variations are having an increasing impact on the delay and power characteristics of devices as well as the yield of the circuit. Statistical t...
Venkataraman Mahalingam, N. Ranganathan
DATE
2002
IEEE
102views Hardware» more  DATE 2002»
13 years 9 months ago
Improving Placement under the Constant Delay Model
In this paper, we show that under the constant delay model the placement problem is equivalent to minimizing a weighted sum of wire lengths. The weights can be efficiently compute...
Kolja Sulimma, Wolfgang Kunz, Ingmar Neumann, Luka...
ICCAD
2005
IEEE
110views Hardware» more  ICCAD 2005»
14 years 1 months ago
A hybrid linear equation solver and its application in quadratic placement
— This paper presents a new hybrid linear equation solver for quadratic placement. The new solver is a combination of stochastic solver and iterative solver: it is proven in this...
Haifeng Qian, Sachin S. Sapatnekar
DAC
2005
ACM
13 years 6 months ago
How accurately can we model timing in a placement engine?
This paper presents a novel placement algorithm for timing optimization based on a new and powerful concept, which we term differential timing analysis. Recognizing that accurate ...
Amit Chowdhary, Karthik Rajagopal, Satish Venkates...
DAC
2007
ACM
14 years 5 months ago
RQL: Global Placement via Relaxed Quadratic Spreading and Linearization
This paper describes a simple and effective quadratic placement algorithm called RQL. We show that a good quadratic placement, followed by local wirelength-driven spreading can pr...
Natarajan Viswanathan, Gi-Joon Nam, Charles J. Alp...