Virtualized ECC: Flexible Reliability in Main Memory

  • Authors:
  • Doe Hyun Yoon;Mattan Erez

  • Affiliations:
  • The University of Texas at Austin;The University of Texas at Austin

  • Venue:
  • IEEE Micro
  • Year:
  • 2011

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Abstract

Virtualized error checking and correcting (ECC) is a scheme that virtualizes memory-error correction. Unlike traditional uniform ECC, which provides a fixed level of error tolerance, virtualized ECC enables flexible memory protection by mapping redundant information needed for correcting errors onto the memory namespace. Additionally, virtualized ECC enables error-correction mechanisms that can adapt to user and system demands.