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Paper Abstract and Keywords
Presentation 2013-08-02 15:45
Evaluation of communication among a host and devices on multi-GPU system with ExpEther
Shimpei Nomura, Tetsuya Nakahama (Keio Univ.), Junichi Higuchi, Yuki Hayashi, Takashi Yoshikawa (NEC), Hideharu Amano (Keio Univ.) CPSY2013-25
Abstract (in Japanese) (See Japanese page) 
(in English) Clusters with GPUs become widespread because they provide both high peak performance and excellent performance per cost. However, since the number of plugged GPUs into a single node is limited by power supply or implementation space, such clusters must have multiple nodes. This conventional multi-GPU cluster requires programmers to consider hierarchical programming model consisting of inter-node and intra-node controlled. We propose a new multi-GPU system, in which a single host and multiple GPUs connected via Ethernet by using ExpEther, a new virtualization technique. Our experimental result shows our proposed system require 5 to 8 times delay for communication between a host and a device and 1 to 2.5 times delay for communication between devices compared with the system connected by PCI Express without Ethernet. Addtionally, our system provide 11 Gbps throughput on 20 Gbps Ethernet network in data transfer.
Keyword (in Japanese) (See Japanese page) 
(in English) GPU / cluster / ExpEther / Parallel Computing / Scalability / PCI Express / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 169, CPSY2013-25, pp. 91-96, Aug. 2013.
Paper # CPSY2013-25 
Date of Issue 2013-07-25 (CPSY) 
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)
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Conference Information
Committee DC CPSY  
Conference Date 2013-08-01 - 2013-08-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Kitakyushu-Kokusai-Kaigijyo 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Parallel, Distributed and Cooperative Processing 
Paper Information
Registration To CPSY 
Conference Code 2013-08-DC-CPSY 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of communication among a host and devices on multi-GPU system with ExpEther 
Sub Title (in English)  
Keyword(1) GPU  
Keyword(2) cluster  
Keyword(3) ExpEther  
Keyword(4) Parallel Computing  
Keyword(5) Scalability  
Keyword(6) PCI Express  
1st Author's Name Shimpei Nomura  
1st Author's Affiliation Keio University (Keio Univ.)
2nd Author's Name Tetsuya Nakahama  
2nd Author's Affiliation Keio University (Keio Univ.)
3rd Author's Name Junichi Higuchi  
3rd Author's Affiliation NEC Corporation (NEC)
4th Author's Name Yuki Hayashi  
4th Author's Affiliation NEC Corporation (NEC)
5th Author's Name Takashi Yoshikawa  
5th Author's Affiliation NEC Corporation (NEC)
6th Author's Name Hideharu Amano  
6th Author's Affiliation Keio University (Keio Univ.)
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Speaker Author-1 
Date Time 2013-08-02 15:45:00 
Presentation Time 30 minutes 
Registration for CPSY 
Paper # CPSY2013-25 
Volume (vol) vol.113 
Number (no) no.169 
Page pp.91-96 
Date of Issue 2013-07-25 (CPSY) 

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