On Mon, Apr 27, 2015 at 01:48:40PM +1200, LizR wrote:
> According to the latest Scientific American, Moore's Law stopped working
> about 10 years ago. I'm not sure if or how this affects the
> prognostications for AIs, mind simulation etc, though.

The only thing that stopped 10 years ago was the increase in CPU clock
speed.

That was never Moore's law, though, which refers to density of
transistors for a given price point. That has very much continued to
increase. I can now buy CPUs with 50 cores for the price of a dual
core system 10 years ago. And each core has almost an order of
magnitude performance improvement due to architectural improvements
(eg more cache, hyperthreading, SIMD/vector instructions etc). That's
about 200 x performance improvement over a decade, about double what
Moore's would predict. But its all parallel computing - its not going
the make Microsoft Word any less of a dog.

Cheers

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Prof Russell Standish                  Phone 0425 253119 (mobile)
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Visiting Professor of Mathematics      [email protected]
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