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Paper Abstract and Keywords
Presentation 2011-11-29 09:25
Evaluation of Out-Of-Order System for FaSTAR Implemented on FPGAs
Takayuki Akamine, Kenta Inakagata (Keio Univ.), Yasunori Osana (Ryukyu Univ.), Naoyuki Fujita (JAXA), Hideharu Amano (Keio Univ.) RECONF2011-45
Abstract (in Japanese) (See Japanese page) 
(in English) Computational Fluid Dynamics is an important tool to design aircraft components. FaSTAR is one of the most recent CFD program package with various solvers and automatic generation of grid data. However, FaSTAR is inefficient to be executed in parallel machines because of its irregular data structure. For example, calculation using compound assignment operators suffers enormous pipeline hazards caused by consectively accessing same data. Using FLOPS-2D, one of reconfigurable system constructed of FPGAs, we would like to improve the problems caused by memory access, and accelerate execution of FaSTAR. In the first step of whe work, an Out-Of-Order system was proposed. In this work, we applied this system to various algorithms, and evaluated its performance. Consequently, with FPGAs, the selected algorithms runned 3.21 times as fast as software execution on Intel Core2Duo(2.66GHz) in all.
Keyword (in Japanese) (See Japanese page) 
(in English) Multiple FPGAs / Computational Fluid Dynamics / Out-Of-Order Execution / Floating-Point Computing / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 323, RECONF2011-45, pp. 25-30, Nov. 2011.
Paper # RECONF2011-45 
Date of Issue 2011-11-21 (RECONF) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 VLD DC IPSJ-SLDM CPSY RECONF ICD CPM  
Conference Date 2011-11-28 - 2011-11-30 
Place (in Japanese) (See Japanese page) 
Place (in English) NewWelCity Miyazaki 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Design Gaia 2010 -New Field of VLSI Design- 
Paper Information
Registration To RECONF 
Conference Code 2011-11-VLD-DC-SLDM-CPSY-RECONF-ICD-CPM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of Out-Of-Order System for FaSTAR Implemented on FPGAs 
Sub Title (in English)  
Keyword(1) Multiple FPGAs  
Keyword(2) Computational Fluid Dynamics  
Keyword(3) Out-Of-Order Execution  
Keyword(4) Floating-Point Computing  
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1st Author's Name Takayuki Akamine  
1st Author's Affiliation Keio University (Keio Univ.)
2nd Author's Name Kenta Inakagata  
2nd Author's Affiliation Keio University (Keio Univ.)
3rd Author's Name Yasunori Osana  
3rd Author's Affiliation Ryukyu University (Ryukyu Univ.)
4th Author's Name Naoyuki Fujita  
4th Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
5th Author's Name Hideharu Amano  
5th Author's Affiliation Keio University (Keio Univ.)
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Speaker Author-1 
Date Time 2011-11-29 09:25:00 
Presentation Time 25 minutes 
Registration for RECONF 
Paper # RECONF2011-45 
Volume (vol) vol.111 
Number (no) no.323 
Page pp.25-30 
#Pages
Date of Issue 2011-11-21 (RECONF) 


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