WhyHPCCooling

The infrastructure and cost of the cooling systems scale with the high power demands of an Exascale system and is a significant burden on the full system TCO

The processor performance curve plateaus dramatically with power and temperature, also, so keeping the processors in the most optimized region is particularly challenging and even more important at Exascale. Keeping all of them in the same part of that curve to provide

consistent performance across the application is really challenging.

I would also add Because of data center power constraints, the power demands of the cooling system take away from the available computational power.

@DollWade This and your other point above are interesting in regard to % heat capture into liquid for a liquid-cooled system. Has Cray done any analysis on the balance between heat capture and reduction in cooling system power consumption vs. overall cost/TCO?

Yes Brandon. Basically the more you can get into the liquid closest to the heat source will result in the lowest TCO

Thanks for the shout-out, @cray_inc!