Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: SSDF Hash size question

Author: Jason Williamson

Date: 00:38:41 04/11/01

Go up one level in this thread


On April 10, 2001 at 08:03:24, Bertil Eklund wrote:

>On April 10, 2001 at 07:38:51, Jason Williamson wrote:
>
>>On April 09, 2001 at 16:39:45, Bertil Eklund wrote:
>>
>>>On April 09, 2001 at 16:20:42, Robert Hyatt wrote:
>>>
>>>>On April 09, 2001 at 14:43:32, Tony Hedlund wrote:
>>>>
>>>>>On April 09, 2001 at 13:56:05, Mike S. wrote:
>>>>>
>>>>>>On April 09, 2001 at 11:38:02, Hans Christian Lykke wrote:
>>>>>>
>>>>>>>(...)
>>>>>>>[White "Deep Fritz K6-2 450 128MB"]
>>>>>>>[Black "CM8000 K6-2 450 128MB"]
>>>>>>>(...)
>>>>>>>
>>>>>>>{74MB, Deepfr~1.ctg. K6-2 450 128MB}
>>>>>>
>>>>>>I must admit that I probably misunderstood the SSDF hash size information until
>>>>>>now. I always thought, each program uses 128 MB hash. Now, it looks to me as if
>>>>>>this is just the total RAM memory of the pcs used (?), i.e., here Deep Fritz was
>>>>>>set to 74 MB Hash. This would mean, the list itself doesn't contain the hash
>>>>>>size info. With which hash size is Chessmaster 8000 tested?
>>>>>>
>>>>>>I apologize if this has already been discussed, and the information given here
>>>>>>before respectively (which I didn't notice), but: What is the general SSDF
>>>>>>policy regarding the hash size setting (I hope you aren't testing CM8K in the
>>>>>>default setting of only 1 MB hash)?
>>>>>>
>>>>>>Thanks,
>>>>>>M.Scheidl
>>>>>
>>>>>We are running CM8000 with 32MB hash.
>>>>>
>>>>>Tony
>>>>
>>>>
>>>>Since this will obviously be asked soon, why use Fritz with 74mb and CM8000 with
>>>>only 32mb???
>>>Hi!
>>>
>>>The main reason is that 32mb is max. The second is that mr de Koning told us
>>>that 16mb was more then enough for P200MMX.
>>>
>>>As a general rule, we try to follow the recommendations from the programmers if
>>>there are no known recommendations, we use as much as possible (no swapping
>>>allowed).
>>>
>>>Bertil
>>
>>
>>32 megs is NOT the max hash size.  I run Chessmaster with 64 megs on my dual
>>celeron 400 (192 megs total ram), and can go quite a bit higher.  Perhaps I am
>>not understanding what you are saying.
>
>Hi!
>
>Sorry, max is 62 mb but according mr de Koning if you use "to big hashtables" it
>make the program slower. 64mb is to much for a "slow" computer. If you plays
>with higher time-controls then 2h/40 it can of course be good.
>
>Bertil


Ahh I see.  :)

JW



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.