SC is the International Conference for
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Storage and Analysis

SCHEDULE: NOV 12-18, 2011

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The IBM Blue Gene/Q Interconnection Network and Message Unit

SESSION: Large Scale Systems


TIME: 3:30PM - 4:00PM

AUTHOR(S):Dong Chen, Noel A. Eisley, Philip Heidelberger, Robert M. Senger, Burkhard Steinmacher-Burow, Yutaka Sugawara, Sameer Kumar, Jeffrey J. Parker, Valentina Salapura, David L. Satterfield


This is the first paper describing the IBM Blue Gene/Q interconnection network and message unit. The Blue Gene/Q system is the third generation in the IBM Blue Gene line of massively parallel supercomputers. The Blue Gene/Q architecture can be scaled to 20 PF/s and beyond. The network and the highly parallel message unit, which provides the functionality of a network interface, are integrated onto the same chip as the processors and cache memory, and consume 8% of the chip's area. For better application scalability and performance, we describe new routing algorithms and new techniques to parallelize the injection and reception of packets in the network interface. Measured hardware performance results are also presented.

Chair/Author Details:

Dong Chen - IBM T.J. Watson Research Center

Noel A. Eisley - IBM T.J. Watson Research Center

Philip Heidelberger - IBM T.J. Watson Research Center

Robert M. Senger - IBM T.J. Watson Research Center

Burkhard Steinmacher-Burow - IBM Deutschland Research & Development GmbH

Yutaka Sugawara - IBM T.J. Watson Research Center

Sameer Kumar - IBM T.J. Watson Research Center

Jeffrey J. Parker - IBM System and Technology Group

Valentina Salapura - IBM T.J. Watson Research Center

David L. Satterfield - IBM T.J. Watson Research Center

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The full paper can be found in the ACM Digital Library

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