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Width-Reduction for a linear time channel Routing algorithm

机译:线性时间通道路由算法的减宽

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This paper presents a new upper bound for channel routing of multiter- minal nets on two layers. The result, which is essentially the improving of Recski and Strzyzewski's algorithm [2], works in linear time and uses width at most 4l/3, where l is the length of the channel. (The aforementioned algorithm used width at most 3l/2.) In 1994, Gao and Kaufmann [1] presented a new algorithm for channel routing Of multiterminal nets on two layers, which required 3d/2+O(/d lg d) tracks, where D was the denisty of the channel routing problem. The result of this paper is better Than this, if d is very close to its upper bound, namely to l. In fact, this is rarely The case.
机译:本文提出了两层多终端网络通道路由的新上限。结果实质上是对Recski和Strzyzewski算法[2]的改进,它在线性时间内工作,并且使用的宽度最大为4l / 3,其中l是通道的长度。 (上述算法最多使用3l / 2的宽度。)1994年,Gao和Kaufmann [1]提出了一种新算法,用于两层多终端网络的信道路由,需要3d / 2 + O(/ d lg d)磁道。 ,其中D是对信道路由问题的否定。如果d非常接近其上限(即l),那么本文的结果比这更好。实际上,这种情况很少。

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