华东师范大学学报(自然科学版) ›› 2014, Vol. 2014 ›› Issue (5): 72-81.doi: 10.3969/j.issn.10005641.2014.05.006

• 计算机科学与技术 • 上一篇    下一篇

面向非易失内存的结构和系统级设计与优化综述

孙广宇1，舒继武2，王鹏1   

  1. 1. 北京大学，信息科学技术学院， 北京，100871 2. 清华大学，计算机系， 北京，100084
  • 出版日期:2014-09-25 发布日期:2014-11-27
  • 通讯作者: 舒继武，男，教授，博士生导师，研究方向为网络(/云/大数据)存储系统, 存储可靠性, 非易失存储系统与技术 E-mail:shujw@tsinghua.edu.cn
  • 基金资助:

    国家863课题（2013AA013201）

Survey of architecture and system level optimization for non volatile main memory

 SUN  Guang-Yu1, SHU  Ji-Wu2, WANG  Peng1   

  1. 1. School of Electronics Engineering and Computer Science, Peking University, Beijing,100871, China;
     2. Department of Computer Science and Technology, Tsinghua University, Beijing,100085, China
  • Online:2014-09-25 Published:2014-11-27

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摘要： 当今各类计算机应用都进入一个飞速发展的阶段，无论是“计算密集型”还是“存储密集型”应用都对存储系统的容量、性能以及功耗不断提出更高的要求. 然而，由于传统内存工艺(DRAM)的发展落后于计算逻辑工艺（CMOS），基于DRAM的内存设计逐渐无法满足这些设计需求. 同时，基于HDD的外存性能与DRAM主存间的差距也逐渐增加. 而各种非易失存储工艺取得长足的进步，为解决这一问题提供了新的机遇. 本文就近年来针对非易失内存的结构和系统级设计与优化的研究工作进行综述，揭示非易失内存对存储系统的性能、功耗等都有明显的改善.

关键词: 非易失存储, 存储类内存, 存储结构, 文件系统, I/O接口

Abstract: With the rapid improvement of modern computing applications, there is an increasing requirement of capacity, performance, and power consumption of memory system for both “computingintensive” and “dataintensive” applications. However, main memory based on traditional DRAM technology cannot fully satisfy the requirement because the improvement of DRAM technology is slower than that of CMOS technology. Moreover, it becomes even worse since the performance gap between HDD based storage and DRAM based main memory keeps increasing at the same time. Recently, the substantial progress of various nonvolatile memory technologies has provided an opportunity to mitigate this problem. This paper  presents a survey of recent architecture and system level research work on nonvolatile main memory. It shows that different types of nonvolatile main memory can help improve performance and reduce power consumption of memory system significantly.

Key words: non volatile memory, SCM, memory architecture, file system, I/O interface

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