Wednesday, September 01, 2010

Power7 Hub Chip Torrent Key to IBM's PERCS Supercomputer

The PERCS IBM hub module contains 48 10Gbps optical links and delivers more than 1.1 terabytes/second of bandwidth. A hub connects each Power7 quad-chip module (QCM), with each Power7 drawer consisting of 8 QCMs and 8 hubs. Presumably this is the same setup going into the PERCS-class Blue Waters system at NCSA.

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