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Subject: Re: MTD(f), Quiscient Search, and hashing Quiscient nodes

Author: Andrew Williams

Date: 01:47:10 01/20/03

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On January 19, 2003 at 13:56:22, Omid David Tabibi wrote:

>On January 19, 2003 at 13:48:55, Andrew Williams wrote:
>
>>On January 19, 2003 at 10:59:46, Joel wrote:
>>
>>>Thanks for your reply Andrew.
>>>
>>>Hashing seems to work better for me too, though I have some fears about filling
>>>up the hash table with a whole lot of rubbish. My thoughts are pretty much
>>>directed at trying to think of a replacement scheme I am happy with.
>>>
>>>Joel
>>
>>I should have mentioned that I only store in the first two or three plies of the
>>qsearch. And the entries get negative drafts, so they don't hang around too
>>long.
>>
>
>I always store q-nodes (put them as depth 0). By storing only 2--3 plies of
>q-search, how much do you save?
>
>

I must admit it's a little while since I tested it. I've tried always, never, 2
plies, 3 plies and 4 plies. At the moment it's 3 plies, so that must have been
the best the last time I tested.

Andrew



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