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Winston Saunders on Exascalar and Cost-effective HPC

Over the Intel Datastack Blog, Winston Saunders writes considering the rapidly expanding efficiency and performance capability of supercomputing systems, it may be time to upgrade just for the electricity savings alone.

You can see system-level annualized energy costs in the Figure. From this point it is pretty straight forward to calculate a payback time for replacing inefficient servers. It’s interesting they work out to be vertical lines. It’s interesting that they times for return on investment show up as vertical lines. It’s astounding that they are so short. In several cases, less than a year!

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