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Method for Providing a Cluster-Wide System Clock in a Multi-Tiered Full-Graph Interconnect Architecture

  • US 20090070617A1
  • Filed: 09/11/2007
  • Published: 03/12/2009
  • Est. Priority Date: 09/11/2007
  • Status: Active Grant
First Claim
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1. A method, in a computing cluster comprising a plurality of processor chips, for providing a cluster-wide system clock signal, comprising:

  • synchronizing heartbeat signals transmitted by each of the processor chips in the plurality of processor chips such that each processor chip in the plurality of processor chips transmits a heartbeat signal at approximately a same time; and

    generating, in each processor chip of the plurality of processor chips, an internal system clock signal based on a heartbeat signal transmitted by the processor chip, wherein through synchronization of the heartbeat signals the internal system clock signals of each processor chip of the plurality of processor chips are synchronized.

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