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Method and apparatus for providing concurrent access by a plurality of agents to a shared memory

  • US 5,815,167 A
  • Filed: 06/27/1996
  • Issued: 09/29/1998
  • Est. Priority Date: 06/27/1996
  • Status: Expired due to Term
First Claim
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1. A computer system comprising:

  • first and second agents;

    a shared memory accessible by the first and second agents, the shared memory having a first memory portion and a second memory portion, at least a portion of the second memory portion to store data associated exclusively with the second agent; and

    a switch arrangement to provide (i) a first data path between the first agent and the second memory portion when in a first state, and to provide (ii) a second data path between the first agent and the first memory portion and (iii) a third data path between the second agent and the second memory portion when in a second state, the second and third data paths being distinct and provided in parallel so as to facilitate simultaneous access to the first and second memory portions by the first and second agents respectively when the switch arrangement is in the second state.

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