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Subject: Re: Hiarcs Hash Table Info Is Here

Author: Steve

Date: 17:46:00 07/06/99

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On July 06, 1999 at 14:18:31, Melvin S. Schwartz wrote:

>
>On July 06, 1999 at 00:47:17, Brett Clark wrote:
>
>>On July 05, 1999 at 21:13:47, Melvin S. Schwartz wrote:
>>
>>>
>>>Today I have received e-mail from Mark Uniacke answering my question about hash
>>>tables for Hiarcs 7.32. I would like to thank Mr. Uniacke for providing the
>>>following information in regards to the hash table question:
>>>
>>>"Please give it as much hash tables as possible. Although Hiarcs is slower than
>>>the fast searchers it maintains hash table information continually (with a
>>>suitable replacement strategy of course) so please give it as much as you can.
>>>In game play this makes a difference. In individual test positions the advantage
>>>is less."
>>>
>>>I hope this information is of value to others who have wondered about the
>>>question of hash tables.
>>>
>>>Regards,
>>>Mel
>>
>>Mr. President,
>>
>>Thanks for all of the work that you've done on the Hiarcs hash tables.  I think
>>that Mr. Uniacke's statement needs to be qualified, because if you're playing a
>>5 min. blitz game with Hiarcs, I don't think that it is going to perform at
>>optimum strength if you give it 64 MB of hash tables.  There has got to be a
>>correlation between the nodes per second, the average time per move, and the
>>hash table size.  The longer the time control, the bigger the hash tables.
>>Hiarcs fills the hash tables at about 1/10 the rate of Fritz, so I still don't
>>see the point in giving Hiarcs huge hash tables.
>>
>>Best regards,
>>Brett
>
>Hello Brett,
>
>Have you tried e-mailing Mark Uniacke about your concerns?
>I believe he would be the only qualified individual to answer you properly.
>
>While you may appreciate the effort I have made in regards to Hiarcs hash
>tables, judging by what I see as your response has so far been the only one, I
>can only wonder if there are other people here who really care. I have made a
>great effort to not only get the hash table info, but also a strong effort to
>make ChessBase aware of the poor way Hiarcs was marketed. It appears to me that
>I may be the only one fighting this battle. Therefore, if people here don't mind
>all the confusion caused by the way Hiarcs has been marketed, why should I get
>involved with anything anymore?
>
>Where I come from, if a product is marketed in such a manner as Hiarcs 7.32,
>people would be screaming their heads off at the company for doing that. How are
>you going to get a company to improve not only their product, but also the way
>it's marketed if you don't voice your concern?
>
>I am totally disillusioned by what I see here on this site. I have seen so many
>people running around with their tail between their legs trying to find out this
>or that and wasting precious time while the company responsible for all comes
>out smelling like a rose.
>
>Does anybody besides you appreciate my effort in getting a response from Mr.
>Uniacke and posting it here...I wonder.
>Is the response from Mr. Uniacke satisfactory in regards to what you ask -
>probably not. However, I understand what he is saying in regards to a game when
>more is better. What impact does this have on Blitz chess I do not know..
>
>I would suggest you explain your concerns regarding hash tables to Mark Uniacke.
>I am very sure he will answer your question.
>
>Regards,
>Mel

I too am interested in the hashtable information and thank you for your efforts.



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