Title :
Simultaneous floorplanning and buffer block planning
Author :
Jiang, Iris Hui-Ru ; Chang, Yao-Wen ; Jou, Jing-Yang ; Chao, Kai-Yuan
Author_Institution :
VIA Technol. Inc., Taipei, Taiwan
Abstract :
As technology advances and the number of interconnections among modules rapidly increases, timing closure and design convergence are the most important concerns. Hence, it is desirable to consider interconnect optimization as early as possible. In this paper, we first address simultaneous floorplanning and buffer block planning (i.e., integrating buffer block planning into floorplanning) for interconnect optimization. Experimental results show that our method can significantly improve the interconnect delay and reduce the number of buffers needed.
Keywords :
buffer circuits; circuit optimisation; integrated circuit interconnections; integrated circuit layout; modules; simulated annealing; Lagrangian relaxation; buffer number reduction; design convergence; interconnect delay; interconnect optimization; module interconnections; simulated annealing; simultaneous floorplanning/buffer block planning; timing closure; Capacitance; Chaos; Delay; Integrated circuit interconnections; Iris; Libraries; Routing; Silicon; Timing; Wire;
Conference_Titel :
Design Automation Conference, 2003. Proceedings of the ASP-DAC 2003. Asia and South Pacific
Print_ISBN :
0-7803-7659-5
DOI :
10.1109/ASPDAC.2003.1195054