Horus: Large-Scale Symmetric Multiprocessing for Opteron Systems

  • Authors:
  • Rajesh Kota;Rich Oehler

  • Affiliations:
  • Newisys Inc.;Newisys Inc.

  • Venue:
  • IEEE Micro
  • Year:
  • 2005

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Abstract

Horus lets server vendors design up to 32-way Opteron systems. By implementing a local directory structure to filter unnecessary probes and by offering 64 Mbytes of remote data cache, the chip significantly reduces overall system traffic as well as the latency for a coherent HyperTransport transaction.