A 5-GHz Mesh Interconnect for a Teraflops Processor

  • Authors:
  • Yatin Hoskote;Sriram Vangal;Arvind Singh;Nitin Borkar;Shekhar Borkar

  • Affiliations:
  • Intel;Intel;Intel;Intel;Intel

  • Venue:
  • IEEE Micro
  • Year:
  • 2007

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Abstract

A multicore processor in 65-nm technology with 80 single-precision, floating-point cores delivers performance in excess of a teraflops while consuming less than 100 W. A 2D on-die mesh interconnection network operating at 5 GHz provides the high-performance communication fabric to connect the cores. The network delivers a bisection bandwidth of 2.56 Terabits per second and a per hop fall-through latency of 1 nanosecond.