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| Presentation | 2010-12-17 14:15 Fine Grained Time Sharing to Extend Capacity of FU Array Takuya Iwakami, Kazuhiro Yoshimura, Kodai Mori, Takashi Nakada, Yasuhiko Nakashima (NAIST)  ICD2010-123 Link to ES Tech. Rep. Archives: ICD2010-123 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We have proposed Linear Array Pipeline Processor (LAPP) which can map popular VLIW codes onto FU array and execute them in high-speed. LAPP achieves high performance and power-efficiency by a flexible data-path of FU array configured from the codes and working only minimum FUs in the execution time. But LAPP had a constraint that the codes beyond the number of FUs cannot be mapped because one instruction is fixed correspondingly to one FU. And the number of FUs is determined the largest number of instructions assumed to execute so area per performance of LAPP was low. We propose a fine-grained time sharing mechanism to extend FU array of LAPP. It allows LAPP to map and execute the codes beyond the physical constraint. In this report, we simulate and evaluate from view point of a hardware, performance and power. According to the result of evaluation, the extended LAPP executes from 4 to 6-folds faster than previous one and rise area per performance by 16 ％ while it holds decline of power per performance by 20 ％. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | time-sharing / FU array / reconfigurable architecture / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 344, ICD2010-123, pp. 141-146, Dec. 2010. | |
| Paper # | ICD2010-123 | |
| Date of Issue | 2010-12-09 (ICD) | |
| 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 | ICD2010-123 Link to ES Tech. Rep. Archives: ICD2010-123 |
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| Conference Information | |
| Committee | ICD |
| Conference Date | 2010-12-16 - 2010-12-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | RCAST, Univ. of Tokyo |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Workshop for Graduate Student and Young Researchers |
| Paper Information | |
| Registration To | ICD |
| Conference Code | 2010-12-ICD |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Fine Grained Time Sharing to Extend Capacity of FU Array |
| Sub Title (in English) | |
| Keyword(1) | time-sharing |
| Keyword(2) | FU array |
| Keyword(3) | reconfigurable architecture |
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| 1st Author's Name | Takuya Iwakami |
| 1st Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
| 2nd Author's Name | Kazuhiro Yoshimura |
| 2nd Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
| 3rd Author's Name | Kodai Mori |
| 3rd Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
| 4th Author's Name | Takashi Nakada |
| 4th Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
| 5th Author's Name | Yasuhiko Nakashima |
| 5th Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
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| Speaker | Author-1 |
| Date Time | 2010-12-17 14:15:00 |
| Presentation Time | 25 minutes |
| Registration for | ICD |
| Paper # | ICD2010-123 |
| Volume (vol) | vol.110 |
| Number (no) | no.344 |
| Page | pp.141-146 |
| #Pages | 6 |
| Date of Issue | 2010-12-09 (ICD) |
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