News - World's fastest supercomputer, Titan, powered by NVIDIA GPUs

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Titan is armed with 18,688 NVIDIA Tesla K20X GPU accelerators.

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....and some AMD CPUs too! ;)

awesome !

Anandtech had an interesting look at Titan not so long ago:

http://www.anandtech.com/show/6421/inside-the-titan-supercomputer-299k-amd-x86-cores-and-186k-nvidia-gpu-cores/

Large numbers all round...

I get parallel scaling of K20s just shy of 65%, based on NVIDIA's claimed K20 performance of 1.31 Tflops (if 90% of the performance can really be attributed to all those K20s). That's an impressive number, but might also be of interest to Intel and AMD, if they can provide better scaling products in the future. Any word on how well the SM10000s scale and what will Titan be mostly used for?