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Subject: Re: Crafty time handling problem?

Author: David Rasmussen

Date: 08:31:58 12/20/01

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On December 20, 2001 at 08:49:27, José Carlos wrote:

>On December 20, 2001 at 07:17:31, Jouni Uski wrote:
>
>>When I play Crafty 18.10 against Yace under Winboard 4.2.3 with 60 moves in
>>1 or 3 minutes, in almost all games Crafty seems to lose from time (Winboard
>>says flag fell)? Actually it's only matter of may be fraction of second, but
>>still...
>>Has others noticed that? I remember Bob said Crafty never loses on time, but
>>here it does...
>>(I play with ponder off)
>>
>>Jouni
>
>  In my machine, Crafty has never lost on time.
>  I don't know how Crafty measures time, but I've noticed with my program that,
>if I run other tasks in the computer, my program thinks it has spent less time
>that is has actually done. Could it be this?
>
>  José C.

This is because your program doesn't use real time, but cpu time, then. This is
a bad idea. Crafty uses real time (on platforms that support it), I think.

/David



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