Starfire: Extending the SMP Envelope

  • Authors:
  • Alan Charlesworth

  • Affiliations:
  • -

  • Venue:
  • IEEE Micro
  • Year:
  • 1998

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Abstract

The Sun Microsystems Starfire Ultra 10000 server is today's largest uniform-memory-access symmetric multiprocessor system. It uses an active centerplane with four address routers, and a 16x16 data crossbar to provide 64 processors with a memory bandwidth of 10,667 MBps. The use of point-to-point routers allows the system to be dynamically reconfigured into multiple hardware-protected operating system domains, with hot-swappable boards. This paper describes the interconnect implementation, and compares its price and performance to other multiprocessor architectures using the TPC-D benchmark.