A fixed-outline floorplanning method

被引:0
|
作者
Yosihmura, Takeshi [1 ]
Chen, Song [1 ]
机构
[1] Waseda Univ, Grad Sch IPS, Kitakyushu, Fukuoka 8080135, Japan
关键词
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this paper, we propose a stable fixed-outline floorplanning method(IARFP). An elaborated method for perturbing solutions, Insertion after Remove(IAR), is devised for the simulated annealing. The IAR operation uses the technique of enumerating positions in Sequence Pair and greatly accelerates the searching. Moreover, based on the analysis of diverse objective functions used in the existing researches, we suggest a new objective function, which is still effective when combined with other objectives, for the fixed-outline floorplanning. Compared with the previous fixed-outline floorplanners, the proposed method is effective and efficient. Experiments showed that the proposed fixed-outline floorplanner achieved 100% success rate efficiently when optimizing area and wire-length simultaneously, while getting much smaller wire-length. On the other hand, we validated once more by experiments that aspect ratio close to one is beneficial to wire-length.
引用
收藏
页码:1070 / 1075
页数:6
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