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System, method, and computer program product for increasing a lifetime of a plurality of blocks of memory

  • US 7,903,486 B2
  • Filed: 11/19/2007
  • Issued: 03/08/2011
  • Est. Priority Date: 11/19/2007
  • Status: Expired due to Fees
First Claim
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1. A method, comprising:

  • calculating a respective lifetime expectancy score for each of a plurality of blocks of a memory based at least in part on a respective count percentage of free space of each of the blocks;

    determining an order to write and recycle the blocks, based at least in part on at least some of the respective lifetime expectancy scores; and

    wherein a total amount of the blocks that are erased and written is minimized while lifetime expectancy score variation between the blocks is equalized.

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