Dynamic power consumption optimization for inductive-coupling based wireless 3D NoCs

被引：0
作者：
Zhang, Hao [1 ]
Matsutani, Hiroki [1 ]
Koibuchi, Michihiro [2 ]
Amano, Hideharu [1 ]
机构：
[1] Keio University, Yokohama
[2] National Institute of Informatics, Chiyoda
来源：
IPSJ Transactions on System LSI Design Methodology | 2014年 / 7卷
基金：
日本学术振兴会;
关键词：
3D NoCs; Inductive-coupling; Irregular topology; On/off link; Wireless;
D O I：
10.2197/ipsjtsldm.7.27
中图分类号：
学科分类号：
摘要：
Inductive-coupling is yet another 3D integration technique that can be used to stack more than three known-good-dies in a SiP without wire connections. Its power consumed for communication by inductive coupling link is one of big problems. A dynamic on/off link control for topology-agnostic 3D NoC (Network on Chip) architecture using inductive-coupling is proposed. The proposed low-power techniques stop the transistors by cutting off the bias voltage in the transmitter of the wireless vertical links only when their utilization is higher than the threshold. Meanwhile, the whole wireless vertical link will be shut down when the utilization is lower than the threshold in order to reduce the power consumption of wireless 3D NoCs. Full-system many-core simulations using power parameters derived from a real chip implementation show that the proposed low-power techniques reduce the power consumption by 43.8-55.0%, while the average performance overhead is 1.4% in wireless topology-agnostic 3D NoC. © 2014 Information Processing Society of Japan.
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页码：27 / 36
页数：9
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