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Data processing system, method and interconnect fabric for selective link information allocation in a data processing system

  • US 7,483,422 B2
  • Filed: 02/10/2005
  • Issued: 01/27/2009
  • Est. Priority Date: 02/10/2005
  • Status: Expired due to Fees
First Claim
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1. A data processing system, comprising:

  • a plurality of processing units coupled for communication by a communication link;

    a configuration register having a plurality of different settings each corresponding to a respective one of a plurality of different link information allocations, wherein information is communicated over said communication link in accordance with a particular link information allocation among said plurality of link information allocations determined by a respective setting of said configuration register;

    wherein said particular link information allocation allocates bandwidth of said communication link in a repeating sequence of fixed-length, multi-cycle frames;

    wherein a frame of a first link information allocation among said plurality of link information allocations includes payload data and a data tag identifying a destination of said payload data, wherein said data tag precedes said payload data by more than one cycle; and

    means for automatically setting said configuration register in response to detecting a type of workload.

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