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Subject: Re: Gullydeckel - move generator

Author: James Robertson

Date: 18:33:49 12/20/00

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On December 20, 2000 at 12:31:51, Thomas Mayer wrote:

>Hi Dann,
>
>>Phalanx has a really slow motor.  Usually 100K NPS or so. Gullydeckel has a
>>barn-burner -- often well over one million NPS on my machine.  If we could
>>couple Gullydeckel's move generator with Phalanx's eval, it might rule the
>>world.
>you allways tells us how incredible good Gullydeckel's move generator is...
>can you give us some numbers ?
>Here is my testing position, Vincent Diepeveen has put my nose on it to look how
>things are going:
>
>[D] rnbqkbnr/ppp2ppp/8/3pp3/3PP3/8/PPP2PPP/RNBQKBNR w KQkq d6 0 3
>
>When I start with Quark, Quark produces in this position about 3.500.000 moves
>per sec. (measured this just with a huge for loop and allways call move gen and
>after that calculate created moves divided by seconds)
>At the moment Quark creates 8.300.000 moves per second here on PII/400
>Vincent Diepeveen said to me that Diep creates on PIII/450 here 15.500.000 moves
>per second and crafty about 7.700.000 moves per second on PIII/450
>Can you give us some numbers what Gullydeckels move generator does here...
>(Quark and Diep have 0x88 board representation, Crafty we all know... :)
>
>Greets, Thomas

Are you counting moves created per second, or calls to MoveGen() per second?

James

>
>P.S.: Working on move gen is worth a lot, it is incredible, what the improvement
>brings in kNPS... And also it is really funny... At the beginning I thought my
>move gen is really fast... then comes Vincent... some hours coding brings me to
>7M moves... and at this point I had no idea how to get faster... but it seems to
>be never over... I think also for Quark there is still much to improve here...
>when I only think about Vincents number... :)



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