• DocumentCode
    1180075
  • Title

    Trading Off Cache Capacity for Low-Voltage Operation

  • Author

    Wilkerson, Chris ; Gao, Hongliang ; Alameldeen, Alaa R. ; Chishti, Zeshan ; Khellah, Muhammad ; Lu, Shih-Lien

  • Volume
    29
  • Issue
    1
  • fYear
    2009
  • Firstpage
    96
  • Lastpage
    103
  • Abstract
    Two proposed techniques let microprocessors operate at low voltages despite high memory-cell failure rates. They identify and disable defective portions of the cache at two granularities: individual words or pairs of bits. Both techniques use the entire cache during high-voltage operation while sacrificing cache capacity during low-voltage operation to reduce the minimum voltage below 500 mV.
  • Keywords
    cache storage; microprocessor chips; cache capacity; memory-cell failure rates; microprocessors; voltage 500 mV; Circuits; Delay; Energy consumption; Error correction; Error correction codes; Low voltage; Manufacturing; Microprocessors; Power supplies; Random access memory;
  • fLanguage
    English
  • Journal_Title
    Micro, IEEE
  • Publisher
    ieee
  • ISSN
    0272-1732
  • Type

    jour

  • DOI
    10.1109/MM.2009.20
  • Filename
    4796173