摘要
在传统的总体布局完成之后,一个很重要的步骤是消除单元之间的重叠,即合法化过程。混合模式下的宏模块会对合法化过程带来很大困难。针对宏模块的结构特点,考虑宏模块布局合理位置(site)的约束,设计实现了特别应用于宏模块的合法化算法,并在mPL6全局布局结果上进行测试,结果表明,与FastPlace相比该方法更具合理性和有效性。
Placement legalization removes the overlap among cells after the global placement,and moves the cells to their final position.Macros make legalization harder to resolve in the mixed mode.According to the structure characteri-stics of macros,and considering the site constraint an algorithm for macros legalization was designed and implemented.The algorithm was tested on mPL6 global placement.Experimental results show its reasonable quality compared with FastPlace.
出处
《计算机科学》
CSCD
北大核心
2010年第12期266-269,共4页
Computer Science
基金
国家自然科学基金(No.60876026)
国家重点基础研究发展计划(No.2009AA011901)资助
