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Subject: Re: perft records

Author: Rémi Coulom

Date: 06:35:58 09/06/04

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On September 06, 2004 at 07:43:51, Peter Fendrich wrote:

>What free programs have the fastest perft and what are the figures?
>Please, If you give figures also add processor, compiler and environment!
>
>I want to compare with a new concept that isn't coded yet...
>/Peter

Last time I tried, TCB's perft was twice faster than Crafty's. This is without
hash table or any perft-specific optimizations. You can download tcb here and
try by yourself:

http://remi.coulom.free.fr/tcb0052.zip

Here is how to do it from the command line.

@n)EngineControl>special
EngineControl-TCB>lowlevel
EngineControl-TCB-LowLevel>reset k/1/K w - -
EngineControl-TCB-LowLevel>perft 1
00:00:00,00
3
EngineControl-TCB-LowLevel>perft 3
00:00:00,00
35
EngineControl-TCB-LowLevel>perft 6
00:00:00,00
4880
EngineControl-TCB-LowLevel>

TCB uses 0X88 board representation. I am certain that a program written with the
only objective to beat perft records would be a lot faster.

Rémi



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