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Designing virtual accessing adapter and non-volatile memory management for memory-disk integrated system

  • Yonsei University

Research output: Contribution to conferenceConference paperpeer-review

Abstract

This paper presents a new memory hierarchy system using next-generation non-volatile memory devices merging a conventional main memory layer and a disk storage layer into a single memory layer, called a memory-disk integrated system (MDIS). In the MDIS, files are stored in MDIS storage and accessed in place as if they are in conventional DRAM main memory without any duplication between the main memory and secondary storage. The MDIS comprises three components: a virtual accessing adapter (VAA), an array of non-volatile hybrid memory (NVHM), and its associated virtual memory management module. The NVHM can be divided into two spaces - specifically, static and dynamic spaces - to support conventional memory management. Further, the VAA comprises four small buffers that support static and dynamic virtualization according to program execution characteristics. Experimental results show that the read/write load traffics for the proposed MDIS can be reduced by about 73% as compared with the cases of conventional main memory system. In addition, access latency of non-volatile hybrid memory is reduced by 51%.

Original languageEnglish
Title of host publication2014 IEEE/ACIS 13th International Conference on Computer and Information Science, ICIS 2014 - Proceedings
EditorsYan Han, Wenai Song, Simon Xu, Lichao Chen, Roger Lee
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages99-104
Number of pages6
ISBN (Electronic)9781479948604
DOIs
StatePublished - 2014.09.26
Event13th IEEE/ACIS International Conference on Computer and Information Science, ICIS 2014 - Taiyuan, China
Duration: 2014.06.42014.06.6

Publication series

Name2014 IEEE/ACIS 13th International Conference on Computer and Information Science, ICIS 2014 - Proceedings

Conference

Conference13th IEEE/ACIS International Conference on Computer and Information Science, ICIS 2014
Country/TerritoryChina
CityTaiyuan
Period14.06.414.06.6

Keywords

  • integrated memory disk structure
  • memory hierarchy
  • non-volatile memory
  • virtual memory

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