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Paper Abstract and Keywords
Presentation 2013-04-12 11:10
[Invited Lecture] A High Performance Storage Class Memory/MLC NAND Hybrid SSD with Anti-Fragmentation Algorithm
Kousuke Miyaji (Chuo Univ.), Hiroki Fujii (Univ. of Tokyo), Koh Johguchi (Chuo Univ.), Kazuhide Higuchi, Chao Sun (Univ. of Tokyo), Ken Takeuchi (Chuo Univ.) ICD2013-15
Abstract (in Japanese) (See Japanese page) 
(in English) A 3D through-silicon-via (TSV) -integrated hybrid storage class memory (SCM)/multi-level-cell (MLC) NAND solid-state drives' (SSDs') architecture is proposed. NAND-like interface and sector-access overwrite policy are proposed for the SCM. Furthermore, intelligent data management algorithms are proposed. The proposed algorithms suppress data fragmentation and excess usage of the MLC NAND by storing hot data in the SCM. As a result, 11 times performance increase, 6.9 times endurance enhancement and 93% write energy reduction are achieved compared with the conventional MLC NAND SSD assuming ReRAM as a SCM. Both ReRAM write and read latency should be less than 3us to obtain these improvements. The required endurance for ReRAM is 10^5.
Keyword (in Japanese) (See Japanese page) 
(in English) solid-state drive / storage class memory / NAND flash memory / ReRAM / memory architecture / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 1, ICD2013-15, pp. 73-78, April 2013.
Paper # ICD2013-15 
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)
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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) A High Performance Storage Class Memory/MLC NAND Hybrid SSD with Anti-Fragmentation Algorithm 
Sub Title (in English)  
Keyword(1) solid-state drive  
Keyword(2) storage class memory  
Keyword(3) NAND flash memory  
Keyword(4) ReRAM  
Keyword(5) memory architecture  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Kousuke Miyaji  
1st Author's Affiliation Chuo University (Chuo Univ.)
2nd Author's Name Hiroki Fujii  
2nd Author's Affiliation University of Tokyo (Univ. of Tokyo)
3rd Author's Name Koh Johguchi  
3rd Author's Affiliation Chuo University (Chuo Univ.)
4th Author's Name Kazuhide Higuchi  
4th Author's Affiliation University of Tokyo (Univ. of Tokyo)
5th Author's Name Chao Sun  
5th Author's Affiliation University of Tokyo (Univ. of Tokyo)
6th Author's Name Ken Takeuchi  
6th Author's Affiliation Chuo University (Chuo Univ.)
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Speaker Author-1 
Date Time 2013-04-12 11:10:00 
Presentation Time 25 minutes 
Registration for ICD 
Paper # ICD2013-15 
Volume (vol) vol.113 
Number (no) no.1 
Page pp.73-78 
#Pages 6 
Date of Issue 2013-04-04 (ICD) 

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