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Paper Abstract and Keywords
Presentation 2008-08-04 14:15
The Resolution of Trade-off between Power Consumption and Task Performance Using Elastic Task Model
Sayuri Terada, Toshimitsu Ushio (Osaka Univ.) CST2008-15
Abstract (in Japanese) (See Japanese page) 
(in English) In computing systems consisting of a CPU with dynamic voltage scaling (DVS), we can reduce their power consumption by setteing a low CPU frequency while performance of tasks are degraded. We generalize the elastic scheduling proposed by Marinoni and Buttazzo to resolve the trade-off between the power consumption and the task performance with desired rate. We evaluate the performance degradation by the increase of a force compressing elastic tasks where the elastic coefficient of each tasks indicates its importance. We propose an algorithm for minimizing an objective function given by weighted sum of the power consumption and the force, and its computational complexity is polynominal. We show some examples to demonstrate the efficiency of the algorithm.
Keyword (in Japanese) (See Japanese page) 
(in English) low power consumption / elastic task model / DVS / / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, Aug. 2008.
Paper #  
Date of Issue 2008-07-28 (CST) 
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 CST2008-15

Conference Information
Committee MSS  
Conference Date 2008-08-04 - 2008-08-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Shizuoka University (Hamamatsu Campus), Faculty of Engineering 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Concurrent Systems 
Paper Information
Registration To MSS 
Conference Code 2008-08-CST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) The Resolution of Trade-off between Power Consumption and Task Performance Using Elastic Task Model 
Sub Title (in English)  
Keyword(1) low power consumption  
Keyword(2) elastic task model  
Keyword(3) DVS  
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1st Author's Name Sayuri Terada  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Toshimitsu Ushio  
2nd Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2008-08-04 14:15:00 
Presentation Time 25 minutes 
Registration for MSS 
Paper # CST2008-15 
Volume (vol) vol.108 
Number (no) no.176 
Page pp.17-22 
#Pages 6 
Date of Issue 2008-07-28 (CST) 

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