Myrinet vs. Dolphin
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Sergiusz Jarczyk sjarczyk at wist.net.plThu Feb 8 02:08:46 PST 2001
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On Wed, 7 Feb 2001, Bill Broadley wrote: [...] > You mention 4 1m cables? Why 4? The dolphin card has 2 ports requiring > 2 cables no? Or can a single card be in 2 loops, i.e. a matrix where > you have loops in the x and y directions. > > I've looked through the dolphin site and haven't found a good > description of the physical interface/possible topologies. > No, Dolphin cards (known as Wulfkit - packaged with SCALI Software Platform) has 4 ports (two on board and two on doughter card). Possible topologies include 2D Torus and ring. In Torus (which is better than ring and allow to build clusters with some fault tolerance) each card is connected with four other (two in X and two in Y directions). Sergiusz
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