Volume 12 Issue 4
Apr.  2017
Article Contents

Xiao-Yu Xia, Wen-Ming Pan, Jia-Chong Kan. Energy Efficient On-Chip Communications Implementation Based on Power Slacks[J]. Journal of Electronic Science and Technology, 2014, 12(4): 354-360. doi: 10.3969/j.issn.1674-862X.2014.04.003
Citation: Xiao-Yu Xia, Wen-Ming Pan, Jia-Chong Kan. Energy Efficient On-Chip Communications Implementation Based on Power Slacks[J]. Journal of Electronic Science and Technology, 2014, 12(4): 354-360. doi: 10.3969/j.issn.1674-862X.2014.04.003

Energy Efficient On-Chip Communications Implementation Based on Power Slacks

doi: 10.3969/j.issn.1674-862X.2014.04.003
Funds:

This work was supported by the National Natural Science Foundation of China under Grant No. 61376024 and No. 61306024, Natural Science Foundation of Guangdong Province under Grant No. S2013040014366,and Basic Research Program of Shenzhen under Grant No.JCYJ20140417113430642 and No. JCYJ 20140901003939020.

More Information
  • Author Bio:

    Xiao-Yu Xia research assistant at Guangzhou Institute of Advanced Technology, Chinese Academy of Science, xiawork2013@163.com;
    Wen-Ming Pan, wm.pan@giat.ac.cn;
    Jia-Chong Kan, jc.kan@giat.ac.cn

    Xiao-Yu Xia research assistant at Guangzhou Institute of Advanced Technology, Chinese Academy of Science, xiawork2013@163.com;
    Wen-Ming Pan, wm.pan@giat.ac.cn;
    Jia-Chong Kan, jc.kan@giat.ac.cn

    Xiao-Yu Xia research assistant at Guangzhou Institute of Advanced Technology, Chinese Academy of Science, xiawork2013@163.com;
    Wen-Ming Pan, wm.pan@giat.ac.cn;
    Jia-Chong Kan, jc.kan@giat.ac.cn

  • Corresponding author: Xiao-Yu Xia
  • Received Date: 2014-08-11
  • Rev Recd Date: 2014-11-23
  • Publish Date: 2014-12-25

通讯作者: 陈斌, bchen63@163.com
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Energy Efficient On-Chip Communications Implementation Based on Power Slacks

doi: 10.3969/j.issn.1674-862X.2014.04.003
Funds:

This work was supported by the National Natural Science Foundation of China under Grant No. 61376024 and No. 61306024, Natural Science Foundation of Guangdong Province under Grant No. S2013040014366,and Basic Research Program of Shenzhen under Grant No.JCYJ20140417113430642 and No. JCYJ 20140901003939020.

  • Author Bio:

  • Corresponding author: Xiao-Yu Xia

Abstract: The quest for energy efficiency has growing importance in high performance many-core systems. However, in current practices, the power slacks, which are the differences observed between the input power budget and the actual power consumed in the many-core systems, are typically ignored, thus leading to poor energy efficiency. In this paper, we propose a scheme to effectively power the on-chip communications by exploiting the available power slack that is totally wasted in current many-core systems. As so, the demand for extra energy from external power sources (e.g., batteries) is minimized, which helps improve the overall energy efficiency. In essence, the power slack is stored at each node and the proposed routing algorithm uses a dynamic programming network to find the globally optimal path, along which the total energy stored on the nodes is the maximum. Experimental results have confirmed that the proposed scheme, with low hardware overhead, can reduce latency and extra energy consumption by 44% and 48%, respectively, compared with the two competing routing methods.

Xiao-Yu Xia, Wen-Ming Pan, Jia-Chong Kan. Energy Efficient On-Chip Communications Implementation Based on Power Slacks[J]. Journal of Electronic Science and Technology, 2014, 12(4): 354-360. doi: 10.3969/j.issn.1674-862X.2014.04.003
Citation: Xiao-Yu Xia, Wen-Ming Pan, Jia-Chong Kan. Energy Efficient On-Chip Communications Implementation Based on Power Slacks[J]. Journal of Electronic Science and Technology, 2014, 12(4): 354-360. doi: 10.3969/j.issn.1674-862X.2014.04.003

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