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Paper Abstract and Keywords
Presentation 2015-08-04 14:00
Evaluation of ARM-EMAX tightly coupled accelerator on Zynq
Shohei Takeuchi, Thi Hong Tran, Shinya Takamaeda, Yasuhiko Nakashima (NAIST) CPSY2015-19
Abstract (in Japanese) (See Japanese page) 
(in English) We focus on the data reusability of stencil computations on a previously proposed memory-network based accelerator, named Energy-Aware Multimode Accelerator Extension (EMAX). EMAX uses a distributed memory network and a corresponding functional unit (FU) network to exploit data reuse chance in stencil computations.
In this research, we implement SoC that is ARM-EMAX tigtly coupled accelerator on Xilinx ZC706 board. We measured the execution time for the SoC with accelerator using five stencils calculation program. EMAX achives 63.1x performance of traditional system using external SDRAM.
Additionally, by reducing the pre-processing by the host CPU, EMAX is estimated 1.2x performance of ARM processor only, despite the frequency of the EMAX is 12 times lower against ARM processor's frequency.
Keyword (in Japanese) (See Japanese page) 
(in English) CGRA / Accelerator / stencil / Zynq / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 174, CPSY2015-19, pp. 47-52, Aug. 2015.
Paper # CPSY2015-19 
Date of Issue 2015-07-28 (CPSY) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF CPSY2015-19

Conference Information
Committee CPSY DC IPSJ-ARC  
Conference Date 2015-08-04 - 2015-08-06 
Place (in Japanese) (See Japanese page) 
Place (in English) B-Con Plaza (Beppu) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Parallel, Distributed and Cooperative Processing 
Paper Information
Registration To CPSY 
Conference Code 2015-08-CPSY-DC-ARC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of ARM-EMAX tightly coupled accelerator on Zynq 
Sub Title (in English)  
Keyword(1) CGRA  
Keyword(2) Accelerator  
Keyword(3) stencil  
Keyword(4) Zynq  
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1st Author's Name Shohei Takeuchi  
1st Author's Affiliation Nara Institute of Science and Technology (NAIST)
2nd Author's Name Thi Hong Tran  
2nd Author's Affiliation Nara Institute of Science and Technology (NAIST)
3rd Author's Name Shinya Takamaeda  
3rd Author's Affiliation Nara Institute of Science and Technology (NAIST)
4th Author's Name Yasuhiko Nakashima  
4th Author's Affiliation Nara Institute of Science and Technology (NAIST)
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Speaker Author-1 
Date Time 2015-08-04 14:00:00 
Presentation Time 30 minutes 
Registration for CPSY 
Paper # CPSY2015-19 
Volume (vol) vol.115 
Number (no) no.174 
Page pp.47-52 
#Pages 6 
Date of Issue 2015-07-28 (CPSY) 

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