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Subject: Re: Compiler test

Author: Richard Pijl

Date: 06:47:40 07/12/02

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On July 12, 2002 at 09:33:36, Benny Antonsson wrote:

>On July 12, 2002 at 08:04:55, Christophe Drieu wrote:
>
>>Strange compiler results:
>>
>>I tried Visual C++ 6 and DigiatlMars compiler with my TRex engine.
>>
>>I got a position and try the 2 engine with 2 algorithm with depth=7 :
>>
>>VC++ (optimization maximum speed):
>>	Trex alphabeta + null move
>>	move b6a5
>>	-0.41
>>	3.149.862 positions in 28 seconds
>>
>>	alphabeta
>>	move d5d4
>>	+0.20
>>	15.540.730 positions in 2 minutes and 31 seconds
>>        102.918 Nd/s
>>
>>
>>sc -0:	alphabeta + null move
>>	move b6a5
>>	-0.41
>>	2.606.646 positions in 24 seconds
>>
>>	alphabeta
>>	move d5d4
>>	+0.20
>>	48.662.903 positions in 7 minutes and 41 seconds
>>	152.559 Nd/s
>>
>>What do you think about that ?
>
>Why does the number of nodes differ ?

That's probably his question :)



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