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Paper Abstract and Keywords
Presentation 2020-02-27 14:30
A Dynamic Optimization Platform for High-bandwidth Low-latency Approximate Networks
Shoichi Hirasawa, Michihiro Koibuchi (NII) CPSY2019-92 DC2019-98
Abstract (in Japanese) (See Japanese page) 
(in English) To resolve the next generation interconnection networks latency problem, our prior work has presented error-prone high-bandwidth low-latency networks
that do not use the FEC operation.
They enable not only high-bandwidth approximate data transfer
but also low-bandwidth perfect data transfer, for supporting various kinds of parallel applications that are subject to different levels of bit flips.
As the number of approximate data transfers increases, the parallel application can obtain a significant performance improvement at the expense of the degraded quality of results (QoRs).
It is difficult for users to identify whether each communication should be approximate or not, so as to obtain the shortest execution time with enough QoRs for a given parallel application.
In this study, we apply an optimization framework to approximate interconnection networks with performance fluctuation;
it automatically execute applications multiple times to identify whether each communication should be approximate or accurate data transfer.
Keyword (in Japanese) (See Japanese page) 
(in English) Approximate interconnection network / optimization / performance fluctuation / / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 428, CPSY2019-92, pp. 1-6, Feb. 2020.
Paper # CPSY2019-92 
Date of Issue 2020-02-20 (CPSY, DC) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 CPSY2019-92 DC2019-98

Conference Information
Conference Date 2020-02-27 - 2020-02-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Yoron-cho Chuou-Kouminkan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) ETNET 2020 
Paper Information
Registration To CPSY 
Conference Code 2020-02-CPSY-DC-SLDM-EMB-ARC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Dynamic Optimization Platform for High-bandwidth Low-latency Approximate Networks 
Sub Title (in English)  
Keyword(1) Approximate interconnection network  
Keyword(2) optimization  
Keyword(3) performance fluctuation  
1st Author's Name Shoichi Hirasawa  
1st Author's Affiliation National Institute of Informatics (NII)
2nd Author's Name Michihiro Koibuchi  
2nd Author's Affiliation National Institute of Informatics (NII)
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Date Time 2020-02-27 14:30:00 
Presentation Time 20 
Registration for CPSY 
Paper # IEICE-CPSY2019-92,IEICE-DC2019-98 
Volume (vol) IEICE-119 
Number (no) no.428(CPSY), no.429(DC) 
Page pp.1-6 
#Pages IEICE-6 
Date of Issue IEICE-CPSY-2020-02-20,IEICE-DC-2020-02-20 

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