Re: A question about programming
Date: Mon, 19 Jul 2004 10:38:32 GMT
Mok-Kong Shen wrote:
> The news
> says that a 1000-processor system has been made to simulate
> the brain. It claims to realize 20 billion neurons and 20
> trillion connections. Given that the brain is estimated to have
> about 100 billion neurons (i.e. only 5 times more), this sounds
> certainly very impressive.
The structure of the brain may be more complex than previously thought.
The glial cells, previously assumed to be just mechanical supports, may
be involved in learning. SciAm had an article about it in April.
(Only the beginning, read the rest in a library...)
> I have a presumably very dumb question
> related to programming: How could one run an extremely huge
> network of 20 trillion connections 'practically' (i.e. with good
> efficiency) on a system having only 1000 processors? (Intuitively
> that seems to me to be very hard.)
It will be slow for a computer - but also the clock rate of the brain is
far below any current processor.
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