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As a prevalent constraint, sharp slew rate is often required in circuit design, which causes a huge demand for buffering resources. This problem requires ultrafast buffering techniques to handle large volume of nets while also minimizing buffering cost. This problem is intensively studied in this paper. First, a highly efficient algorithm based on dynamic programming is proposed to optimally solve...
Most existing buffering algorithms neglect the impact of inductance on circuit performance, which causes large error in circuit analysis and optimization. Even for the approaches considering inductance effects, their delay models are too simplistic to catch the actual performance. As delay-length dependence is approaching linear with inductance effect (Ismail and Friedman, 1999), fewer buffers are...
As a prevalent constraint, sharp slew rate is often required in circuit design which causes a huge demand for buffering resources. This problem requires ultra-fast buffering techniques to handle large volume of nets, while also minimizing buffering cost. This problem is intensively studied in this paper. First, a highly efficient algorithm based on dynamic programming is proposed to optimally solve...
Most existing buffer insertion algorithms, such as van Ginneken's algorithm, consider only individual nets. As a result, these algorithms tend to over buffer when applied to combinational circuits, since it is difficult to decide how many buffers to insert in each net. Recently, Sze, et al. (Sze, 2005) proposed a path-based algorithm for buffer insertion in combinational circuits. However their algorithm...
Buffer insertion is an effective technique to reduce interconnect delay. In this paper, we give a simple O(mn) time algorithm for optimal buffer insertion, where m is the number of sinks and n is the number of buffer positions. This is the first linear time buffer insertion algorithm for nets with constant number of sinks. When m is small, it is a significant improvement over our recent O(nlog2n)...
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