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Exploiting mobile phone technology to build energy efficient supercomputers: the Mont Blanc project

Energy efficiency is becoming the limiting factor in large-scale high performance computing systems. Today’s fastest machines already use megawatts of power and cost millions of dollars a year to run. By the end of this decade, the fastest machines are predicted to require over 20 megawatts of power, making them considerably more expensive to run than today’s machines, and limiting the number of sites that can support such installations. To address this issue, the Mont Blanc project is investigating whether technologies being driven by the mobile markets may help address the energy efficiency crisis in HPC. This talk will describe the prototype machines which have been built using mobile processors, and present the results so far