Response time distribution of flash memory accesses

  • Authors:
  • Peter G. Harrison;Naresh M. Patel;Soraya Zertal

  • Affiliations:
  • Imperial College London, UK;NetApp, Inc.;University of Versailles, FR

  • Venue:
  • Proceedings of the 3rd International Conference on Performance Evaluation Methodologies and Tools
  • Year:
  • 2008

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Abstract

Flash memory is becoming an increasingly important storage component among non-volatile storage devices. Its cost is decreasing dramatically, which makes it a serious competitor of disks and a candidate for being the storage device of the future. Consequently, there is an urgent need for models and tools to analyse its behaviour and evaluate its effects on a system's performance. We propose a fluid model with priority to investigate the response time characteristics of Flash memory accesses. This model can represent well the Flash access operations, respecting the erase/write/read relative priorities.