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Subject: Re: hash tables, ram and strength of play

Author: Juan Pablo Naar

Date: 20:39:56 05/07/03

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On May 07, 2003 at 23:21:38, Luis Smith wrote:

>On May 07, 2003 at 23:00:22, Juan Pablo Naar wrote:
Hi, im very thankful for awering my questions, but you "exacty" didn't
answered question #3 that is the most important, I already searched
and YES, it fits into my motherboard, please answer me my third question,
Ill be more thankful.
Juan Pablo Naar
>
>>Hi to all, i have some questions:
>>
>>1. What means "hash tables"?
>
>I'm not exactly an expert but I'm pretty sure this is how hash works:  Hash
>tables are when a chess engine uses RAM to store previously calculated positions
>and call upon them when the line comes up again.
>
>
>>Does when the engine have more hash tables, will
>>its playing strength increase?
>
>It all depends on what time limit you are going to be using.  If its blitz and
>you have an old computer you may only need to run 4-16 MB of hash, but if its
>some of the newer systems you may want to go with 32.  Longer games you would
>want to load more hash so the chess engine can store more positions and not
>calculate them later.  However if you put in too much it could actually decrease
>the performance of the chess engine.
>
>>
>>2. Does memory RAM have any connection to hash tables?
>
>The more RAM you have the more you can put into your hash tables
>
>>
>>3. If first I had 93 MB RAM and then I buy 1 GB, about how many rating points
>>will my engine gain? Will my engine be faster?
>
>Well first off, you need to check to see if that much RAM will actually fit onto
>your motherboard.  Look up the manufacturer's website and it should give you a
>listing of all your computer specs
>
>>
>>4. How do I put the GB ram to put all its power into my engine?
>>
>>Please, I need an answer to buy wether or not more gb ram.
>
>If you've got a newer machine you'd only need a 256 chip
>
>>
>>thanks fow those who try to answer my questions
>
>No problem



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