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Modified machine architecture with partial memory updating

  • US 20070100954A1
  • Filed: 10/18/2006
  • Published: 05/03/2007
  • Est. Priority Date: 10/25/2005
  • Status: Active Grant
First Claim
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1. A method of selecting independent memory locations to be substantially simultaneously updated in a multiple computer environment in which different portions of at least one application program written to execute on only a single computer are executed substantially simultaneously each on a corresponding different one of said multiple computers, said method comprising the steps of:

  • (i) selecting a first group of memory locations each of which is replicated on each said computer, (ii) ignoring a second group of memory locations each of which is present only in the specific one of said computers in which each said second group memory location is physically located, (iii) promoting from said second group any memory location to which a memory location in said first group begins to refer, (iv) replicating the said promoted second group location in all other ones of said computers other than the one in which it was physically located when in said second group, (v) assigning said replicated promoted second group locations to said first group, and (vi) substantially simultaneously updating said first group locations of the other ones of said computers with any changes made to a first group location of any one of said computers.

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