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Computer system implementing synchronized broadcast using timestamps

  • US 20040024925A1
  • Filed: 06/30/2003
  • Published: 02/05/2004
  • Est. Priority Date: 06/28/2002
  • Status: Active Grant
First Claim
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1. A device comprising:

  • a cache;

    an address-in buffer configured to store an address packet;

    a data-in buffer configured to store a data packet, wherein the data-in buffer is configured to store a timestamp corresponding to the data packet;

    a controller coupled to the data-in buffer and con figured to inhibit receipt of the data packet from the data-in buffer based on a value of the timestamp;

    wherein an access right to a first coherency unit cached in the cache transitions in response to receipt of the data packet from the data-in buffer;

    wherein an ownership responsibility for the first coherency unit in the cache transitions in response to receipt of the address packet from the address-in buffer.

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