Presentation 2011-09-26
低電力アクセラレータCMA-1におけるウェーブパイプラインの適用(デバイスアーキテクチャ)
Nobuaki OZAKI, Yoshihiro YASUDA, Yoshiki SAITOU, Daisuke IKEBUCHI, Masayuki KIMURA, Hideharu AMANO, Hiroshi NAKAMURA, Kimiyoshi USAMI, Mitaro NAMIKI, Masaaki KONDO,
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Abstract(in English) CMA(Cool Mega-Array)-1 is a prototype media accelerator consisting of a large PE array which includes 24bit 8 × 8 PEs without registers and a small micro-controller for data memory access. By reducing the overhead of clock tree and the using the benefit of voltage scaling, high degree of energy efficiency is achieved. A chip fabricated in 2.1mm × 4.2mm 65 nm CMOS and programming environment are available. Here, techniques on applying wavepipelining to CMA-1 are proposed and evaluated with a real chip. This technique achieved by controlling micro controller and suppresses the decrease of performance caused by lower the supply voltage for PE array.
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Keyword(in English) Reconfigurable System / Low Power Design / 65nmCMOS / Real Chip Evaluation
Paper # RECONF2011-22
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Conference Information
Committee RECONF
Conference Date 2011/9/19(1days)
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Registration To Reconfigurable Systems (RECONF)
Language JPN
Title (in Japanese) (See Japanese page)
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Title (in English)
Sub Title (in English)
Keyword(1) Reconfigurable System
Keyword(2) Low Power Design
Keyword(3) 65nmCMOS
Keyword(4) Real Chip Evaluation
1st Author's Name Nobuaki OZAKI
1st Author's Affiliation Faculty of science and Technology, Keio University()
2nd Author's Name Yoshihiro YASUDA
2nd Author's Affiliation Faculty of science and Technology, Keio University
3rd Author's Name Yoshiki SAITOU
3rd Author's Affiliation Faculty of science and Technology, Keio University
4th Author's Name Daisuke IKEBUCHI
4th Author's Affiliation Faculty of science and Technology, Keio University
5th Author's Name Masayuki KIMURA
5th Author's Affiliation Faculty of science and Technology, Keio University
6th Author's Name Hideharu AMANO
6th Author's Affiliation Faculty of science and Technology, Keio University
7th Author's Name Hiroshi NAKAMURA
7th Author's Affiliation Faculty of Engineering, University of Tokyo
8th Author's Name Kimiyoshi USAMI
8th Author's Affiliation Tokyo Univ. of Agriculture and Technology
9th Author's Name Mitaro NAMIKI
9th Author's Affiliation The University of Electro-Communications
10th Author's Name Masaaki KONDO
10th Author's Affiliation Faculty of science and Technology, Keio University
Date 2011-09-26
Paper # RECONF2011-22
Volume (vol) vol.111
Number (no) 218
Page pp.pp.-
#Pages 6
Date of Issue