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Subject: Re: A question on search depth?

Author: Andrew Wagner

Date: 11:08:53 07/22/04

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On July 22, 2004 at 09:21:49, Anthony Cozzie wrote:

>On July 22, 2004 at 09:01:09, Gopikrishna wrote:
>
>>Whats the reason its taking so much time to search moves beyond 9 plies in
>>depth.Like after 13 plies its taking some hours for a single ply of search for a
>>given middle game position.I know its because of enormous growth in tree size
>>but some engines like Diep searched 18 plies of depth in some minutes!
>> I am using iterative deepening also with aspiration windows but actually no pv
>>search.So what could be done to make it search much more plies deeper in less
>>time? Thanks for any advice.
>
>It varies a _lot_ on the position.
>
>For example, in Nolot #1 Zappa needs 1 minute to finish 9 ply.
>
>In WAC#2, Zappa gets 14 ply in 2-3 seconds.
>
>anthony

You forgot Fine 70...usually some 25 ply in a second, for most engines



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