Dynamic Zero-Sensitivity Scheme for Low-Power Cache Memories

  • Authors:
  • Yen-Jen Chang;Feipei Lai

  • Affiliations:
  • National Chung-Hsing University;National Taiwan University

  • Venue:
  • IEEE Micro
  • Year:
  • 2005

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Abstract

A low-power cache has become essential in many applications, but cache accesses contribute significantly to a chip's total power consumption. Because most bit values read from the cache are 0s, the authors introduce a dynamic zero-sensitivity (DZS) scheme that reduces average cache power consumption by preventing bitlines from discharging in reading a 0.