JUROPA: Powered by Sun HPC with QDR InfiniBand

Marc Hamilton blogs that the Jülich web site has been updated with a nice shot of the Sun Constellation System. They also have details on the technical configuration.

JUROPA supercomputer. Note the rack with blue optical cables going to three Sun QDR datacenter switches.

Here is a good view of three of the six Sun Magnum QDR switches at Jülich. Each switch has 648 QDR IB ports exposed as 216 CXP 12x connectors.
The computer in figures
Name: JUROPA (Jülich Research on Petaflop Architectures)
Computing power: 207 teraflop/s
Processor nodes: 2208 with two processors each
Processor type: Intel Xeon X5570 (Nehalem-EP) quad-core, 2.93 GHz
Main memory: 52 terabyte

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About Rich
FlexRex began his life as a cartoon character I created a Sun Microsystems. As the world's first "fictional blogger," he appeared in numerous parody films that made fun of the whole work-from-home thing. Somewhere along the line, the Sun IT department adopted FlexRex as their spokesman in a half-dozen security awareness films for employees. So when I left Sun recently, I started FlexRex Communications, a Marketing company in Portland, Oregon.

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