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Paper Abstract and Keywords
Presentation 2020-02-28 10:55
Extension of OSCAR Compiler for Parallelizing C++ Programs
Tohma Kawasumi, Tilman Priesner, Masato Noguchi, Jixin Han, Hiroki Mikami (Waseda Univ.), Akihiro Kawashima, Keishiro Tanaka (OscarTechnology Corp.), Keiji Kimura, Hironori Kasahara (Waseda Univ.) CPSY2019-110 DC2019-116
Abstract (in Japanese) (See Japanese page) 
(in English) With the increasing focuses on multicore processors, the OSCAR compiler is known as an automatically parallelizing compiler to optimize source codes to gain better performance. However, it only takes programs written in C or Fortran as input. Currently, as one of the object-oriented languages, C++ is widely used for program development. Such language has some unique features like virtual function override and template but difficult for the compiler to manipulate. In this paper, we will discuss the challenges in optimizing C++ programs. Besides, we evaluated our approach by using a C++ sample code referred from SPEC CPU 2006 447.dealII. The results show that our compiler achieved 3.27 times speedup with 6 cores compared to the g++ O2 optimization.
Keyword (in Japanese) (See Japanese page) 
(in English) compiler / parallel processing / C++ / devirtualization / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 428, CPSY2019-110, pp. 151-156, Feb. 2020.
Paper # CPSY2019-110 
Date of Issue 2020-02-20 (CPSY, DC) 
ISSN 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 CPSY2019-110 DC2019-116

Conference Information
Committee CPSY DC IPSJ-SLDM IPSJ-EMB IPSJ-ARC  
Conference Date 2020-02-27 - 2020-02-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Yoron-cho Chuou-Kouminkan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) ETNET 2020 
Paper Information
Registration To CPSY 
Conference Code 2020-02-CPSY-DC-SLDM-EMB-ARC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Extension of OSCAR Compiler for Parallelizing C++ Programs 
Sub Title (in English)  
Keyword(1) compiler  
Keyword(2) parallel processing  
Keyword(3) C++  
Keyword(4) devirtualization  
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1st Author's Name Tohma Kawasumi  
1st Author's Affiliation Waseda University (Waseda Univ.)
2nd Author's Name Tilman Priesner  
2nd Author's Affiliation Waseda University (Waseda Univ.)
3rd Author's Name Masato Noguchi  
3rd Author's Affiliation Waseda University (Waseda Univ.)
4th Author's Name Jixin Han  
4th Author's Affiliation Waseda University (Waseda Univ.)
5th Author's Name Hiroki Mikami  
5th Author's Affiliation Waseda University (Waseda Univ.)
6th Author's Name Akihiro Kawashima  
6th Author's Affiliation OscarTechnology Corporation (OscarTechnology Corp.)
7th Author's Name Keishiro Tanaka  
7th Author's Affiliation OscarTechnology Corporation (OscarTechnology Corp.)
8th Author's Name Keiji Kimura  
8th Author's Affiliation Waseda University (Waseda Univ.)
9th Author's Name Hironori Kasahara  
9th Author's Affiliation Waseda University (Waseda Univ.)
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Speaker Author-1 
Date Time 2020-02-28 10:55:00 
Presentation Time 20 minutes 
Registration for CPSY 
Paper # CPSY2019-110, DC2019-116 
Volume (vol) vol.119 
Number (no) no.428(CPSY), no.429(DC) 
Page pp.151-156 
#Pages 6 
Date of Issue 2020-02-20 (CPSY, DC) 

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