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| Presentation | 2013-04-11 16:45 Spin-Transfer Torque RAM Cache Energy Reduction Using Zero-Data Flags Yuta Kimi, Jinwook Jung, Yohei Nakata, Masahiko Yoshimoto, Hiroshi Kawaguchi (Kobe Univ.)  ICD2013-10 Link to ES Tech. Rep. Archives: ICD2013-10 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we propose an energy reduction scheme for Spin-Transfer Torque RAM (STT-RAM) Caches. Introducing STT-RAM to large on-chip caches has been attracting attention because of its non-volatility. However, large energy requirement of STT-RAM on write operations, resulting in a huge amount of dynamic energy consumption, makes it difficult to leverage STT-RAM to on-chip cache designs. In order to reduce the energy consumption of the STT-RAM cache during write operations, the proposed design appends additional flags in cache tag arrays and sets these additional bits if the corresponding data in the cache line are zero. Our experimental results show that the proposed cache design can reduce 36.18% of total energy consumption in the STT-RAM cache at the byte-granular implementation, and 42.15% at the word granularity. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Cache / STT-RAM / Energy Reduction / Zero-Data / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 1, ICD2013-10, pp. 47-52, April 2013. | |
| Paper # | ICD2013-10 | |
| Date of Issue | 2013-04-04 (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 | ICD2013-10 Link to ES Tech. Rep. Archives: ICD2013-10 |
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| Conference Information | |
| Committee | ICD |
| Conference Date | 2013-04-11 - 2013-04-12 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Advanced Industrial Science and Technology (AIST) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Memory Device Technologies |
| Paper Information | |
| Registration To | ICD |
| Conference Code | 2013-04-ICD |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Spin-Transfer Torque RAM Cache Energy Reduction Using Zero-Data Flags |
| Sub Title (in English) | |
| Keyword(1) | Cache |
| Keyword(2) | STT-RAM |
| Keyword(3) | Energy Reduction |
| Keyword(4) | Zero-Data |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yuta Kimi |
| 1st Author's Affiliation | Kobe University (Kobe Univ.) |
| 2nd Author's Name | Jinwook Jung |
| 2nd Author's Affiliation | Kobe University (Kobe Univ.) |
| 3rd Author's Name | Yohei Nakata |
| 3rd Author's Affiliation | Kobe University (Kobe Univ.) |
| 4th Author's Name | Masahiko Yoshimoto |
| 4th Author's Affiliation | Kobe University (Kobe Univ.) |
| 5th Author's Name | Hiroshi Kawaguchi |
| 5th Author's Affiliation | Kobe University (Kobe Univ.) |
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| Speaker | Author-1 |
| Date Time | 2013-04-11 16:45:00 |
| Presentation Time | 25 minutes |
| Registration for | ICD |
| Paper # | ICD2013-10 |
| Volume (vol) | vol.113 |
| Number (no) | no.1 |
| Page | pp.47-52 |
| #Pages | 6 |
| Date of Issue | 2013-04-04 (ICD) |
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