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Multi-node computer system implementing memory-correctable speculative proxy transactions

  • US 20050010615A1
  • Filed: 04/09/2004
  • Published: 01/13/2005
  • Est. Priority Date: 04/11/2003
  • Status: Abandoned Application
First Claim
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1. A system, comprising:

  • a node including an active device, an interface, a memory, and an address network coupling the active device, the interface, and the memory;

    an inter-node network configured to communicate coherency messages between the node and an additional node, wherein the additional node is configured to send on the inter-node network a coherency message requesting an access right to a coherency unit;

    wherein the interface is configured to receive the coherency message via the inter-node network and to responsively send a proxy address packet on the address network;

    wherein in response to receiving the proxy address packet, the memory is configured to;

    provide the interface with data corresponding to the coherency unit and an indication of a global access state of the coherency unit in the node if the global access state is not a modified state; and

    send an additional proxy address packet on the address network if the global access state is the modified state.

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