Author: Dann Corbit
Date: 17:56:16 12/12/05
Go up one level in this thread
On December 12, 2005 at 20:49:09, Uri Blass wrote:
>On December 12, 2005 at 20:36:33, Dann Corbit wrote:
>
>>On December 12, 2005 at 20:07:08, Uri Blass wrote:
>>
>>>On December 12, 2005 at 19:30:50, stuart taylor wrote:
>>>
>>>>It's very interesting, and I don't think it ever happened before, that
>>>>non-commercial programs came out, and became rulers over the commercial ones.
>>>>And not only that, but SEVERAL have now done just that.
>>>>
>>>>How did it suddenly happen all at once?
>>>>
>>>>Perhaps there were a few very talented programmers who all thought they were
>>>>going to outsmart the best, and then one released his, and then the other one
>>>>broke his silence, and showed he could do the same (or better), and then they
>>>>ALL went wild together? There are about atleast 4 programs which should make
>>>>stunning headlines, BUT, they all have rivals!
>>>>
>>>>Or perhaps there was a good book that came out, for programming something
>>>>special, and all those who saw it, went for it. But alas, they had company.
>>>>
>>>>How and why now?
>>>
>>>You can blame Fabien about it.
>>>After he released fruit2.1 other learned.
>>
>>I doubt it (for the most part) {though it is also clear that he has advanced
>>state of the art computer chess programs}.
>>
>>Zappa was world champion before any Fruit code became available (IIRC).
>
>No
>
>Fruit2.1 was avialbale before zappa became world champion.
>
>>Rybka seems rather different than Fruit.
>>Similarly for Spike.
>
>I did not say that they are clones of fruit but only that programmers learned
>from fruit.
>
>>
>>I think that the situation is similar to what was going on in Newton's time
>>frame.
>>
>>Newton, Leibnitz [and Pascal to some degree] simultaneously developed calculus.
>>Hooke claimed also some of it to be his invention.
>>
>>But the precursors had built up to the point where *someone* was going to invent
>>it eventually.
>>
>>I attribute the leaps and bounds improvments to the following:
>>1. Lots of good, public, new ideas
>>2. Some good private new ideas
>>3. Some really good programmers getting interested in computer chess.
>>
>>Ten years from now, Fruit-level programs will be the norm and not the exception,
>>even for a beginner. That is because information is advancing and smart people
>>are adding their input. It's like a snowball rolling downhill. It can't help
>>but get bigger.
>>
>>Fabien is responsible for some innovations. I guess that 2/3 of the chess
>>programmers don't even understand them yet. At some point, it will become clear
>>but by then there will be new fresh ideas. Probably just as important as having
>>new ideas is implementing the ideas in a robust and correct manner. I think
>>that is the most important lesson we can glean from Fabien's code.
>>
>>P.S.
>>I predict he will have a very hard time writing a SMP version because of all the
>>global variables.
>
>I do not know that fruit has global variables.
>Unlike tscp that has one file of external variables fruit has many files of
>external variables ane I know no variable that it external to all files.
Lots and lots of them. They are scattered about here and there. Tell your
compiler to make a map and you can see what they are.
> So catching Anthony Cozzie might be hard in the near term
>>[before the end of 2006]. I do not know about the organization of Rybka's code.
>
>We are going to see but my guess is that fruit is going to run with parallel
>search at the middle of 2006.
He's a pretty smart guy. If he gets enough time to do it, he probably could
manage it. I guess that he won't make enough money from Fruit sales to work on
it full time.
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