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tradeoffs

It would be nice to have all the computation resources close & on a single chip. But at some point it becomes too expensive to have a high-bandwith fully-connected on-chip network when many workloads just don't require that degree of intimate sharing. We've seen that 2-4P x86 systems are something of a sweet-spot, amortizing memory & disk costs across a few CPUs. Insisting that the system be single-chip at some point can give you yet another slow, monolithic mess... which was what chip multithreading was trying to avoid in the first place...

Posted by: jefferz   Posted on: 09/04/06 You are currently: a Guest | Members login | Terms of Use

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