Presentation 2014-01-28
A Vertical Link On/Off Algorithm for Wireless 3-D NoCs
Go MATSUMURA, Michihiro KOIBUCHI, Hideharu AMANO, Hiroki MATSUTANI,
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Abstract(in English) To reduce power consumption of wireless three-dimension Network-on-Chips (wireless 3-D NoCs), in this paper we propose on/off link selection policy of vertical links. As the wireless transceivers work at a high operating frequency (e.g., several GHz) to provide a high bit-rate of vertical links, inactivating low utilization vertical links can reduce the power consumption significantly. Based on spanning tree optimization using application traffic patterns, the least important vertical links are statically selected as inactive sleeping links. Evaluation results show that the performance degradation is 2% when 50% of vertical links in a 4x4x4 wireless 3-D Mesh NoC are inactivated using the proposed on/off link selection policy. As the performance degradation is 4% when inactive links are selected randomly, the proposed on/off link selection policy can improve the trade-offs between performance and power.
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Keyword(in English) Wireless 3-D Network-on-Chip / interconnection networks / on/off link control
Paper # VLD2013-113,CPSY2013-84,RECONF2013-67
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Committee RECONF
Conference Date 2014/1/21(1days)
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Registration To Reconfigurable Systems (RECONF)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Vertical Link On/Off Algorithm for Wireless 3-D NoCs
Sub Title (in English)
Keyword(1) Wireless 3-D Network-on-Chip
Keyword(2) interconnection networks
Keyword(3) on/off link control
1st Author's Name Go MATSUMURA
1st Author's Affiliation Faculty of Science and Technology, Keio University()
2nd Author's Name Michihiro KOIBUCHI
2nd Author's Affiliation National Institute of Informatics
3rd Author's Name Hideharu AMANO
3rd Author's Affiliation Faculty of Science and Technology, Keio University:National Institute of Informatics
4th Author's Name Hiroki MATSUTANI
4th Author's Affiliation Faculty of Science and Technology, Keio University:National Institute of Informatics
Date 2014-01-28
Paper # VLD2013-113,CPSY2013-84,RECONF2013-67
Volume (vol) vol.113
Number (no) 418
Page pp.pp.-
#Pages 6
Date of Issue