Fine-Grained Activation for Power Reduction in DRAM

  • Authors:
  • Elliott Cooper-Balis;Bruce Jacob

  • Affiliations:
  • University Of Maryland,;U. of Maryland,

  • Venue:
  • IEEE Micro
  • Year:
  • 2010

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Abstract

This DRAM architecture optimization, which appears transparent to the memory controller, significantly reduces power consumption. With trivial additional logic, using the posted-CAS command enables a finer-grained selection when activating a portion of the DRAM array. Experiments show that, in a high-use memory system, this approach can reduce total DRAM device power consumption by up to 40 percent.