计算机科学 ›› 2017, Vol. 44 ›› Issue (6): 57-62.doi: 10.11896/j.issn.1002-137X.2017.06.009
• 2016 年全国信息存储技术学术年会 • 上一篇 下一篇
吴炀,付印金,陈卫卫,倪桂强
WU Yang, FU Yin-jin, CHEN Wei-wei and NI Gui-qiang
摘要: 随着大数据和多核技术的发展,传统内存技术的发展已经远远不能满足大量数据密集型应用涌现所催生的内存计算需求。近年来,新型非易失性存储器(NVM)的兴起与发展为打破传统内存技术瓶颈提供了契机。相变存储器(PCM)作为一种典型的新型非易失性存储器(NVM),与传统内存DRAM各有优势,被认为是最有可能代替传统内存DRAM的存储器,在内存应用中具有很好的发展前景。基于DRAM和PCM的混合内存使得同时发挥DRAM与PCM各自的优势成为可能,故提出一种DRAM与PCM混合内存架构,设计针对混合内存布局的高效读写策略及数据迁移机制,并且在混合内存系统中应用纠删码来提高系统的可靠性。实验表明,此混合内存系统能够大大减少能耗,提高数据吞吐量,同时保证读写的可靠性。
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