Blue Gene/L torus interconnection network
N. R. Adiga, Matthias A. Blumrich, Daihang Chen, P. Coteus, Alan Gara, Mark Giampapa, Philip Heidelberger, Satya Narayan Singh, Burkhard Steinmacher-Burow, Todd Takken, M. Tsao, Pavlos M. Vranas · IBM Journal of Research and Development · 2005
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.