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Multiprocessing system configured to perform efficient block copy operations

  • US 6,760,786 B2
  • Filed: 03/29/2001
  • Issued: 07/06/2004
  • Est. Priority Date: 07/01/1996
  • Status: Expired due to Term
First Claim
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1. A method for performing block copy operations in a distributed memory computer system including at least:

  • (i) a first node including a first memory to which a first portion of a global address space is assigned; and

    (ii) a second node including a second memory to which a second portion of said global address space is assigned, said second portion being different from said first portion, the method comprising;

    creating a link between a first block within said first memory and a second block within said second memory;

    performing a write operation having an address corresponding to said first block, wherein said write operation includes write data;

    discarding said write data and copying data from said second block to said first block in response to detecting said address corresponds to a first address space; and

    storing said write data within said first block in response to detecting said address corresponds to a second address space.

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