Ken Thompson, with all respect forgets to mention something,
that's that there is nothing to earn with computer-go.
You get what you pay for.
Sometimes someone starts a go program first, in order to figure out the
above later. Instantly work stops then and worlds strongest go
program no longer
gets maintained, let alone gets improved.
A few hobbyists will continue and progress very slowly as a result
now at clusters,
using worlds most inefficient search that exists in game tree search.
They didn't
discover even yet how to use efficiently hashtables (which reduces
the search space
exponential).
In short zero Einstein's in computer-go so far on the search front,
whereas the hardware they can get their hands on for computer-go
is big, and there is a lot possible in computer-go, forward pruning
and selectivity
works better there than in chess (to say polite). Hopefully a Chinese
Einstein
one day for computer-go search algorithms.
They already found a lot that works for computer-chess.
For super selective search however you definitely need a few clever
guys.
It is interesting how you try to grab attention for a game where the
strongest current commercial
go-program sold less copies than that past 24 hours there was posts
on this mailing list.
Thanks,
Vincent
On Mar 18, 2009, at 2:56 PM, Peter St. John wrote:
This article at Wired is about Go playing computers: http://
blog.wired.com/wiredscience/2009/03/gobrain.html
Includes a pic of a 24 node cluster at Santa Cruz, and a YouTube
video of a famous game set to music :-)
My beef, which started with Ken Thompson saying he was disappointed
by how little we learned about human cognition from chess
computers, is about statements like this:
"People hoped that if we had a strong Go program, it would teach us
how our minds work. But that's not the case," said Bob Hearn, a
Dartmouth College artificial intelligence programmer. "We just
threw brute force at a program we thought required intellect."
And yet the article points out:
[our brain is an]...efficiently configured biological processor —
sporting 1015 neural connections, capable of 1016 calculations per
second
Our brains do brute-force massively distributed computing. We just
aren't conscious of most of it.
Peter
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