Blue Gene/L torus interconnection network

  • Authors:
  • N. R. Adiga;M. A. Blumrich;D. Chen;P. Coteus;A. Gara;M. E. Giampapa;P. Heidelberger;S. Singh;B. D. Steinmacher-Burow;T. Takken;M. Tsao;P. Vranas

  • Affiliations:
  • IBM Engineering and Technology Services, Bangalore, India;IBM Research Division, Thomas J. Watson Research Center, Yorktown Heights, New York;IBM Research Division, Thomas J. Watson Research Center, Yorktown Heights, New York;IBM Research Division, Thomas J. Watson Research Center, Yorktown Heights, New York;IBM Research Division, Thomas J. Watson Research Center, Yorktown Heights, New York;IBM Research Division, Thomas J. Watson Research Center, Yorktown Heights, New York;IBM Research Division, Thomas J. Watson Research Center, Yorktown Heights, New York;IBM Research Division, Thomas J. Watson Research Center, Yorktown Heights, New York;IBM Research Division, Thomas J. Watson Research Center, Yorktown Heights, New York;IBM Research Division, Thomas J. Watson Research Center, Yorktown Heights, New York;IBM Research Division, Thomas J. Watson Research Center, Yorktown Heights, New York;IBM Research Division, Thomas J. Watson Research Center, Yorktown Heights, New York

  • Venue:
  • IBM Journal of Research and Development
  • Year:
  • 2005

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Abstract

The main interconnect of the massively parallel Blue Gene®/L is a three-dimensional torus network with dynamic virtual cut-through routing. This paper describes both the architecture and the microarchitecture of the torus and a network performance simulator. Both simulation results and hardware measurements are presented.