Re: a dozen cpu's on a chip



panteltje@xxxxxxxxx wrote:

It was hitting the heat barrier at around 4GHz several years ago.
Now we have 3 W 1 GHz processors it seems, they have made progress in
reducing power consumption... so 'the wall' may have moved already?


Recently I read a book on the high end CPU design, dated 2006. They claim that the physical limits are quite far; the wall is really about the investment vs profit margin. Designing a new CPU and a new process became extremely expensive and risky endeavor; consequently, they are trying to get all the juice from what they have, by doing non-essential design improvements such as multicore.


Vladimir Vassilevsky
DSP and Mixed Signal Design Consultant
http://www.abvolt.com



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