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Priority-Based Routing Resource Assignment Considering Crosstalk
  • ISSN号:1000-9000
  • 期刊名称:《计算机科学技术学报:英文版》
  • 时间:0
  • 分类:TP393[自动化与计算机技术—计算机应用技术;自动化与计算机技术—计算机科学与技术]
  • 作者机构:[1]Department of Computer Science, University of Science and Technology of China, Hefei 230027, P.R. China, [2]EDA Lab, Department of Computer Science and Technology, Tsinghua University, Beijing 100084, P.R. China
  • 相关基金:This work is supported by the National Hi-Tech Research & Development 863 Program of China under Grant No. 2004AA1Z14600 and the National Natural Science Foundation of China (NSFC) under Grant No, 60476014.
中文摘要:

串音在很深的亚微米时代成为了最批评的担心之一。这篇论文在两个处理串音缓解的问题方法学;算法的层次。注意那在全局布线之间的中间的操作;详细路由在串音评价是很有效的;减小,作者建议合并在传统的设计流动被分开成一个综合路由选择方法任务阶段的几中间的步,以便操作能容易合作充分施加他们的通电串音减小。一个有效基于优先级的试探算法被开发,工作由片切它。串音回避,;在路由是批评的许多另外的方面练习包括拥挤, vias,层偏爱,等等,被考虑。轨道保留策略在算法框架被采用补偿顺序的路由引起的不希望得到的效果。一系列 ISPD98 上的试验性的结果;建议途径能没有与一张以前报导的图相比损害结束比率,平均在大约 70% 减少电容的串音的工业基准表演基于算法,表明途径的优点。

英文摘要:

Crosstalk has become one of the most critical concerns in very deep sub-micron era. This paper deals with the problem of crosstalk mitigation at both methodological and algorithmic levels. Noting that intermediate operations between global routing and detailed routing are very effective in crosstalk estimation and reduction, the authors propose to incorporate several intermediate steps that are separated in traditional design flow into an integrated routing resource assignment stage, so that the operations could easily cooperate to fully exert their power on crosstalk reduction. An efficient priority-based heuristic algorithm is developed, which works slice by slice. Crosstalk avoidance, and ,nany other aspects that are critical in routing practice including congestion, vias, layer preference, etc., are taken into account. A track reservation strategy is adopted in the algorithm framework to compensate the undesired effects caused by sequential routing. Experimental results on a series of ISPD98 and industrial benchmarks show that the proposed approach is able to reduce capacitive crosstalk by about 70% on average without compromising completion ratio compared with a previously reported graph based algorithm, demonstrating the advantages of the approach.

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期刊信息
  • 《计算机科学技术学报:英文版》
  • 中国科技核心期刊
  • 主管单位:
  • 主办单位:中国科学院计算机技术研究所
  • 主编:
  • 地址:北京2704信箱
  • 邮编:100080
  • 邮箱:jcst@ict.ac.cn
  • 电话:010-62610746 64017032
  • 国际标准刊号:ISSN:1000-9000
  • 国内统一刊号:ISSN:11-2296/TP
  • 邮发代号:2-578
  • 获奖情况:
  • 国内外数据库收录:
  • 被引量:505