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| Presentation | 2013-05-17 16:05 On Complexities of Parallel Sort Algorithms on AGPU model Atsushi Koike, Kunihiko Sadakane, Hoa Vu (NII)  COMP2013-13 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper is concerned with complexities of parallel sorting algorithms on AGPU model. First, we analyze known sort algorithms such as bitonic sort and GPU-Warpsort. Next, we give a lower bound of I/O complexities of comparison-based sorting algorithms on AGPU model. Let $b$ be the number of cores in a multiprocessor, $p$ be the total number of cores, and $M$ be the total number of words in shared memories in multiprocessors. Then the necessary number of global memory accesses to comparison-sort $n$ elements is shown to be $Omega(frac{n}{b}log_{frac{M}{p}} frac{n}{b})$. We also propose a sorting algorithm whose I/O complexity matches this lower bound. Its time complexity is $Order(frac{n}{p}log frac{n}{b} log b)$. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | GPGPU / AGPU model / sorting / bitonic sort / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 50, COMP2013-13, pp. 75-80, May 2013. | |
| Paper # | COMP2013-13 | |
| Date of Issue | 2013-05-10 (COMP) | |
| 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 | COMP2013-13 |
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| Conference Information | |
| Committee | COMP IPSJ-AL |
| Conference Date | 2013-05-17 - 2013-05-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Otaru University of Commerce |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | COMP |
| Conference Code | 2013-05-COMP-AL |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | On Complexities of Parallel Sort Algorithms on AGPU model |
| Sub Title (in English) | |
| Keyword(1) | GPGPU |
| Keyword(2) | AGPU model |
| Keyword(3) | sorting |
| Keyword(4) | bitonic sort |
| Keyword(5) | |
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| Keyword(8) | |
| 1st Author's Name | Atsushi Koike |
| 1st Author's Affiliation | National Institute of Informatics (NII) |
| 2nd Author's Name | Kunihiko Sadakane |
| 2nd Author's Affiliation | National Institute of Informatics (NII) |
| 3rd Author's Name | Hoa Vu |
| 3rd Author's Affiliation | National Institute of Informatics (NII) |
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| Speaker | Author-1 |
| Date Time | 2013-05-17 16:05:00 |
| Presentation Time | 25 minutes |
| Registration for | COMP |
| Paper # | COMP2013-13 |
| Volume (vol) | vol.113 |
| Number (no) | no.50 |
| Page | pp.75-80 |
| #Pages | 6 |
| Date of Issue | 2013-05-10 (COMP) |
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