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Paper Abstract and Keywords
Presentation 2017-11-19 15:00
[Poster Presentation] GPU Applications with Single Kernel Synchronization Technique
Shunji Funasaka, Koji Nakano, Yasuaki Ito (Hiroshima Univ.) CPSY2017-56
Abstract (in Japanese) (See Japanese page) 
(in English) A task array is a 2-dimensional array of tasks with dependency relations.
Conventional CUDA implementations repeatedly perform a separated CUDA kernel
call to synchronize the computation for tasks.
The main contribution of this paper is to introduce task arrays and to present Single Kernel Soft Synchronization (SKSS) technique
that significantly reduces the overheads of conventional implementation for task arrays.
To clarify the potentiality of our SKSS technique, we have implemented the dynamic programming for the 0-1 knapsack problem,
the summed area table computation, and the error diffusion using our SKSS technique
and compared with previously published best GPU implementations.
Quite surprisingly, the experimental results using NVIDIA Titan X show that, our SKSS implementations are 1.29-2.11 times faster for the 0-1 knapsack problem,
1.08-1.56 times faster for the summed area table computation, and 1.61-2.11 times faster for the error diffusion.
Keyword (in Japanese) (See Japanese page) 
(in English) parallel algorithms / GPGPU / Dynamic programming / / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 314, CPSY2017-56, pp. 33-38, Nov. 2017.
Paper # CPSY2017-56 
Date of Issue 2017-11-12 (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)
Download PDF CPSY2017-56

Conference Information
Committee CPSY  
Conference Date 2017-11-19 - 2017-11-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Aomori Tourist Information Center, ASPAM 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Emerging Computer Systems Exhibition 
Paper Information
Registration To CPSY 
Conference Code 2017-11-CPSY 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) GPU Applications with Single Kernel Synchronization Technique 
Sub Title (in English)  
Keyword(1) parallel algorithms  
Keyword(2) GPGPU  
Keyword(3) Dynamic programming  
1st Author's Name Shunji Funasaka  
1st Author's Affiliation Hiroshima University (Hiroshima Univ.)
2nd Author's Name Koji Nakano  
2nd Author's Affiliation Hiroshima University (Hiroshima Univ.)
3rd Author's Name Yasuaki Ito  
3rd Author's Affiliation Hiroshima University (Hiroshima Univ.)
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Date Time 2017-11-19 15:00:00 
Presentation Time 120 
Registration for CPSY 
Paper # IEICE-CPSY2017-56 
Volume (vol) IEICE-117 
Number (no) no.314 
Page pp.33-38 
#Pages IEICE-6 
Date of Issue IEICE-CPSY-2017-11-12 

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