Dynamic co-management of persistent RAM main memory and storage resources

  • Authors:
  • Ju-Young Jung;Sangyeun Cho

  • Affiliations:
  • University of Pittsburgh;University of Pittsburgh

  • Venue:
  • Proceedings of the 8th ACM International Conference on Computing Frontiers
  • Year:
  • 2011

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Abstract

This paper proposes Memorage, a novel system architecture that synergistically manages persistent RAM (PRAM) main memory and a PRAM storage device. Memorage leverages the existing OS virtual memory manager to globally manage PRAM resources and to enhance the utilization of the available PRAM resources. Preliminary experimental and analytical evaluation suggests that Memorage can improve the performance of memory-intensive workloads (by 4.6X on average and up to 9.4X under the examined configuration). It also increases PRAM utilization and significantly extends the longetivity of the PRAM main memory (by 8X).