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Paper Abstract and Keywords
Presentation 2011-03-19 14:45
Parallel C code generation from Simulink models
Takahiro Kumura (NEC/Osaka Univ.), Masato Edahiro, Yuichi Nakamura (NEC), Nagisa Ishiura (Kwansei Gakuin Univ.), Yoshinori Takeuchi, Masaharu Imai (Osaka Univ.) CPSY2010-80 DC2010-79
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a method to generate parallel C code from
models developed on the Simulink which is a model-based
development tool. Although a number of new frameworks are
researched for developing parallel software based on data flows
and pipeline processing to exploit their inherent data
parallelism or task parallelism, such new frameworks have
difficulty in the transition from existing languages. To avoid
that transition, we focus on the Simulink, which has been popular
in the field of control systems as a model development tool on a
model-based development method. If it would be possible to
generate parallel C code from existing models developed on the
Simulink, there should be no need to switch languages for
parallelization from the Simulink. The proposed method in this
paper generates parallel C code from the Simulink in a way of
applying the theory of communicating sequential processes
(CSP). Under the generation process, to determine the execution order
of blocks in models, the proposed method eliminates loop structures
in models. While data items are transferred through communication
on the CSP, they are stored and shared in double buffers on the
proposed method. On the experiment of applying the method for an
audio processing model, the execution time of the parallelized code
could be reduced successfully to 26.3% on the NaviEngine CPU
running at 400MHz with eSOL eT-Kernel SMP, compared with that of the
sequential code.
Keyword (in Japanese) (See Japanese page) 
(in English) model / parallelization / multicore / task / data flow / pipeline / event driven /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 473, CPSY2010-80, pp. 303-308, March 2011.
Paper # CPSY2010-80 
Date of Issue 2011-03-11 (CPSY, DC) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF CPSY2010-80 DC2010-79

Conference Information
Conference Date 2011-03-18 - 2011-03-19 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To CPSY 
Conference Code 2011-03-CPSY-DC-SLDM-EMB 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Parallel C code generation from Simulink models 
Sub Title (in English)  
Keyword(1) model  
Keyword(2) parallelization  
Keyword(3) multicore  
Keyword(4) task  
Keyword(5) data flow  
Keyword(6) pipeline  
Keyword(7) event driven  
1st Author's Name Takahiro Kumura  
1st Author's Affiliation NEC Corporation/Osaka University (NEC/Osaka Univ.)
2nd Author's Name Masato Edahiro  
2nd Author's Affiliation NEC Corporation (NEC)
3rd Author's Name Yuichi Nakamura  
3rd Author's Affiliation NEC Corporation (NEC)
4th Author's Name Nagisa Ishiura  
4th Author's Affiliation Kwansei Gakuin University (Kwansei Gakuin Univ.)
5th Author's Name Yoshinori Takeuchi  
5th Author's Affiliation Osaka University (Osaka Univ.)
6th Author's Name Masaharu Imai  
6th Author's Affiliation Osaka University (Osaka Univ.)
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Date Time 2011-03-19 14:45:00 
Presentation Time 25 
Registration for CPSY 
Paper # IEICE-CPSY2010-80,IEICE-DC2010-79 
Volume (vol) IEICE-110 
Number (no) no.473(CPSY), no.474(DC) 
Page pp.303-308 
#Pages IEICE-6 
Date of Issue IEICE-CPSY-2011-03-11,IEICE-DC-2011-03-11 

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