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Paper Abstract and Keywords
Presentation 2017-07-26 11:45
Preliminary evaluation of large-scale computer-generated hologram computation time by using multi-GPU cluster
Shinpei Watanabe (Utsunomiya Univ.), Boaz-Jessie Jackin (NICT), Takeshi Ohkawa, Kanemitsu Ootsu, Takashi Yokota, Yoshio Hayasaki, Toyohiko Yatagai, Takanobu Baba (Utsunomiya Univ.) CPSY2017-20
Abstract (in Japanese) (See Japanese page) 
(in English) Computer generated hologram (CGH) is a technology for realizing 3D displays. Large-scale CGH has
a merit that it resolves problems existing 3D displays have. However, generating CGH requires memory space
and calculation time, and these are in proportion to pixel number. Thus, large-scale CGH can not be generated
in real time and it is the reason why CGH is not suit to practical use yet. Computation of CGH is comprised of
data-independent operations and GPU has many processing cores. We had accelerated the CGH generation by using
single GPU and object decomposition method. However that still takes long time. Thus, we accelerate the CGH
generation by using multi-GPU cluster. The results show that we have achieved 134.7 times speed-up compared to
sequential program execution by CPU.
Keyword (in Japanese) (See Japanese page) 
(in English) CGH / multi-GPU / cluster / Object decompositon method / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 153, CPSY2017-20, pp. 25-30, July 2017.
Paper # CPSY2017-20 
Date of Issue 2017-07-19 (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 CPSY2017-20

Conference Information
Committee CPSY DC IPSJ-ARC  
Conference Date 2017-07-26 - 2017-07-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Akita Atorion-Building (Akita) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Parallel, Distributed and Cooperative Processing 
Paper Information
Registration To CPSY 
Conference Code 2017-07-CPSY-DC-ARC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Preliminary evaluation of large-scale computer-generated hologram computation time by using multi-GPU cluster 
Sub Title (in English)  
Keyword(1) CGH  
Keyword(2) multi-GPU  
Keyword(3) cluster  
Keyword(4) Object decompositon method  
Keyword(5)  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Shinpei Watanabe  
1st Author's Affiliation Utsunomiya University (Utsunomiya Univ.)
2nd Author's Name Boaz-Jessie Jackin  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Takeshi Ohkawa  
3rd Author's Affiliation Utsunomiya University (Utsunomiya Univ.)
4th Author's Name Kanemitsu Ootsu  
4th Author's Affiliation Utsunomiya University (Utsunomiya Univ.)
5th Author's Name Takashi Yokota  
5th Author's Affiliation Utsunomiya University (Utsunomiya Univ.)
6th Author's Name Yoshio Hayasaki  
6th Author's Affiliation Utsunomiya University (Utsunomiya Univ.)
7th Author's Name Toyohiko Yatagai  
7th Author's Affiliation Utsunomiya University (Utsunomiya Univ.)
8th Author's Name Takanobu Baba  
8th Author's Affiliation Utsunomiya University (Utsunomiya Univ.)
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Speaker Author-1 
Date Time 2017-07-26 11:45:00 
Presentation Time 30 minutes 
Registration for CPSY 
Paper # CPSY2017-20 
Volume (vol) vol.117 
Number (no) no.153 
Page pp.25-30 
#Pages 6 
Date of Issue 2017-07-19 (CPSY) 

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