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Subject: Gullydeckel - move generator

Author: Thomas Mayer

Date: 09:31:51 12/20/00

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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

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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