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| Paper Abstract and Keywords | ||
| Presentation | 2010-01-21 15:50 Approximate Solution Based on the Dynamic Programming for Optimal Configuration Problem of the Multiversion Tasks Sayuri Terada, Toshimitsu Ushio (Osaka Univ.)  CST2009-42 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In embedded control systems, the computational delay and the jitter of each job released by a task influence systems' performances harmfully. By decreasing relative deadlines of the jobs, we can reduce them. However, it may lead to the overload situation. The execution parameters should be selected to maximize the total benefits with satisfying schedulability conditions. In this paper, we assume that each task is designed based on a multiversion task model, where a version is specified by the relative deadline, the execution time, and the benefit of each released job. We formulate an optimal configuration problem and reduce it to a maximum path problem. We propose an approximate algorithm based on the forward dynamic programming, where states are merged and/or eliminated to reduce the computational time. The efficiency of the proposed algorithm is illustrated by simulations. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Real-time systems / EDF / Multiversion task model / Dynamic Programming / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, Jan. 2010. | |
| Paper # | ||
| Date of Issue | 2010-01-14 (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 | CST2009-42 |
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| Conference Information | |
| Committee | MSS |
| Conference Date | 2010-01-21 - 2010-01-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Toyota Central R&D Labs. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Embedded System, etc |
| Paper Information | |
| Registration To | MSS |
| Conference Code | 2010-01-CST |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Approximate Solution Based on the Dynamic Programming for Optimal Configuration Problem of the Multiversion Tasks |
| Sub Title (in English) | |
| Keyword(1) | Real-time systems |
| Keyword(2) | EDF |
| Keyword(3) | Multiversion task model |
| Keyword(4) | Dynamic Programming |
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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 | 2010-01-21 15:50:00 |
| Presentation Time | 25 minutes |
| Registration for | MSS |
| Paper # | CST2009-42 |
| Volume (vol) | vol.109 |
| Number (no) | no.367 |
| Page | pp.31-36 |
| #Pages | 6 |
| Date of Issue | 2010-01-14 (CST) |
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