Operating system support for NVM+DRAM hybrid main memory

  • Authors:
  • Jeffrey C. Mogul;Eduardo Argollo;Mehul Shah;Paolo Faraboschi

  • Affiliations:
  • HP Labs, Palo Alto, CA;HP Labs, Barcelona, Spain;HP Labs, Palo Alto, CA;HP Labs, Barcelona, Spain

  • Venue:
  • HotOS'09 Proceedings of the 12th conference on Hot topics in operating systems
  • Year:
  • 2009

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Abstract

Technology trends may soon favor building main memory as a hybrid between DRAM and non-volatile memory, such as flash or PC-RAM. We describe how the operating system might manage such hybrid memories, using semantic information not available in other layers. We describe preliminary experiments suggesting that this approach is viable.