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The future calculus of memory management

The future calculus of memory management

Posted Feb 3, 2012 3:52 UTC (Fri) by kevinm (guest, #69913)
In reply to: The future calculus of memory management by alankila
Parent article: The future calculus of memory management

Your first paragraph is quite interesting - I like the idea that such a system would be a kind of analogue of a real world financial economy. I think there is a lot of truth to this - you might indeed expect to see big booms and busts in the "datacentre RAM economy" if it's composed of a free market of locally-optimising agents.

I wonder if in the future research into this will lead to results that can be applied in macroeconomics, or vice-versa? If you solve the cross-datacentre RAM allocation problem, have you also invented an algorithm that could be used to optimally drive a real-world command economy?


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The future calculus of memory management

Posted Feb 3, 2012 20:11 UTC (Fri) by nix (subscriber, #2304) [Link]

If you solve the cross-datacentre RAM allocation problem, have you also invented an algorithm that could be used to optimally drive a real-world command economy?
Well, that has already been invented, by Leonid Kantorovich way back before WWII, originally with the declared intention of treating the entire Soviet economy as a single vast optimization problem. It didn't work, and not just because the models were insanely complex and the necessary computer power didn't then exist. No algorithm can deal with the fact that people lie, and no algorithm exists, nor likely can ever exist, that can produce correct outputs given largely-lying inputs. (If only a few lie, you can deal with it: but in many command economies, espeically those that can resort to force when needed, there's an active incentive to lie to your superiors. So, in the end, most people will stretch the truth, and your beautiful optimizer fails ignominiously.)

I wish someone could find a way to globally optimize economies without the wastage inherent in competition, but then I also wish for immortality and FTL travel.


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