The IBM Blue Gene/Q Interconnection Fabric

  • Authors:
  • Dong Chen;Noel Eisley;Philip Heidelberger;Robert Senger;Yutaka Sugawara;Sameer Kumar;Valentina Salapura;David Satterfield;Burkhard Steinmacher-Burow;Jeffrey Parker

  • Affiliations:
  • IBM T.J. Watson Research Center;IBM T.J. Watson Research Center;IBM T.J. Watson Research Center;IBM T.J. Watson Research Center;IBM T.J. Watson Research Center;IBM T.J. Watson Research Center;IBM T.J. Watson Research Center;IBM T.J. Watson Research Center;IBM Germany Research and Development;IBM Systems & Technology Group

  • Venue:
  • IEEE Micro
  • Year:
  • 2012

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Abstract

This article describes the IBM Blue Gene/Q interconnection network and message unit. Blue Gene/Q is the third generation in the IBM Blue Gene line of massively parallel supercomputers and can be scaled to 20 petaflops and beyond. For better application scalability and performance, Blue Gene/Q has new routing algorithms and techniques to parallelize the injection and reception of packets in the network interface.