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ASYNCHRONOUS MEMORY MOVE ACROSS PHYSICAL NODES (DUAL-SIDED COMMUNICATION FOR MEMORY MOVE)

  • US 20090198955A1
  • Filed: 02/01/2008
  • Published: 08/06/2009
  • Est. Priority Date: 02/01/2008
  • Status: Active Grant
First Claim
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1. A distributed data processing system comprising:

  • a first node having;

    a processor;

    a memory subsystem including at least a first memory coupled to the processor and including a plurality of physical locations having real addresses for storing data; and

    asynchronous memory mover logic;

    a second node having a second memory with at least one physical location with a real address for storing data;

    a connection mechanism for coupling said first node to said second node; and

    processing logic for completing a cross-node asynchronous memory move (AMM) operation, wherein the processor performs a move of data in virtual address space from a first effective address to a second effective address, and the asynchronous memory mover logic completes a physical move of the data from a first memory location in the first memory having a first real address to a second memory location in the second memory having a second real address, wherein the data is transmitted via the connection mechanism connecting the two nodes independent of the processor.

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