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Blue Gene/L torus interconnection network

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12 Author(s)
Adiga, N.R. ; IBM Engineering and Technology Services, Golden Enclave, Airport Road, Bangalore 560 017, India ; Blumrich, M.A. ; Chen, D. ; Coteus, P.
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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.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

Published in:

IBM Journal of Research and Development  (Volume:49 ,  Issue: 2.3 )