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Method and apparatus for reducing latency of inter-reference ordering in a multiprocessor system

  • US 6,108,737 A
  • Filed: 10/24/1997
  • Issued: 08/22/2000
  • Est. Priority Date: 10/24/1997
  • Status: Expired due to Term
First Claim
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1. Apparatus for reducing latency of inter-reference ordering between memory reference operations of a shared memory multiprocessor system having a consistency model, the system having a plurality of processors, each processor capable of issuing a memory reference operation to the system, the apparatus comprising:

  • a commit-signal structure generated by control logic of the multiprocessor system in response to each issued memory reference operation, the commit-signal generated substantially sooner than completion of the memory reference operation, the commit-signal indicating apparent completion of the memory reference operation rather than actual completion of the operation;

    wherein each processor employs the commit signal to impose inter-reference ordering.

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