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Paper Abstract and Keywords
Presentation 2020-01-22 14:45
Performance Evaluation of Using Multi-Switch on a Multi-FPGA System
Kohei Ito, Kensuke Iizuka, Yugo Yamauchi, Kazuei Hironaka (Keio Univ.), Yao Hu, Michihiro Koibuchi (NII), Hideharu Amano (Keio Univ.) VLD2019-60 CPSY2019-58 RECONF2019-50
Abstract (in Japanese) (See Japanese page) 
(in English) Flow-in-Cloud(FiC) is a system which consists of multiple middle-range FPGAs connected by high-speed serial links, and is developed to execute applications such as deep learning in the cloud or multi-access edge computing.
On the FiC, a large application which cannot be implemented on a single FPGA can be implemented by using multiple FPGAs and divided application, so it is possible to scale at cost-efficiently than using a single high-end FPGA.
In this paper, we use four Static Time Division Multiplexing(STDM) switches implemented on each FiC board by Link Aggregation method which can increase the bandwidth by operating all switches in the same way, and by Slot Distribution method which can reduce slots by operating each switch individually.
And we implemented an application using the above two different methods.
As a result, we can improve the communication performance up to 2.76 times by using four switches compared to only one switch.
Keyword (in Japanese) (See Japanese page) 
(in English) multi-FPGA / STDM switch / FPGA-in-cloud / / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 372, CPSY2019-58, pp. 37-42, Jan. 2020.
Paper # CPSY2019-58 
Date of Issue 2020-01-15 (VLD, CPSY, RECONF) 
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 VLD2019-60 CPSY2019-58 RECONF2019-50

Conference Information
Conference Date 2020-01-22 - 2020-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Raiosha, Hiyoshi Campus, Keio University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) FPGA Applications, etc. 
Paper Information
Registration To CPSY 
Conference Code 2020-01-SLDM-RECONF-VLD-CPSY-ARC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance Evaluation of Using Multi-Switch on a Multi-FPGA System 
Sub Title (in English)  
Keyword(1) multi-FPGA  
Keyword(2) STDM switch  
Keyword(3) FPGA-in-cloud  
1st Author's Name Kohei Ito  
1st Author's Affiliation Keio University (Keio Univ.)
2nd Author's Name Kensuke Iizuka  
2nd Author's Affiliation Keio University (Keio Univ.)
3rd Author's Name Yugo Yamauchi  
3rd Author's Affiliation Keio University (Keio Univ.)
4th Author's Name Kazuei Hironaka  
4th Author's Affiliation Keio University (Keio Univ.)
5th Author's Name Yao Hu  
5th Author's Affiliation National Institute of Informaitc (NII)
6th Author's Name Michihiro Koibuchi  
6th Author's Affiliation National Institute of Informaitc (NII)
7th Author's Name Hideharu Amano  
7th Author's Affiliation Keio University (Keio Univ.)
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Speaker Author-1 
Date Time 2020-01-22 14:45:00 
Presentation Time 25 minutes 
Registration for CPSY 
Paper # VLD2019-60, CPSY2019-58, RECONF2019-50 
Volume (vol) vol.119 
Number (no) no.371(VLD), no.372(CPSY), no.373(RECONF) 
Page pp.37-42 
Date of Issue 2020-01-15 (VLD, CPSY, RECONF) 

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