Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Why max Hashtable Limit for Fruit is 1024 ?

Author: chandler yergin

Date: 11:00:00 11/23/05

Go up one level in this thread


On November 22, 2005 at 05:20:59, Uri Blass wrote:

>On November 22, 2005 at 05:17:44, Lin Harper wrote:
>
>>On November 22, 2005 at 02:35:15, Alexander Ermolenko wrote:
>>
>>>Why max Hashtable Limit for Fruit is 1024 ?
>>  This does'nt answer your question, but I just as an experiment, set up a
>>position and analyze it with just 1mb hash. Check the nps. Now reset the same
>>position and set your hash to the maximum. Check the nps again. See a
>>difference?
>>There appears to be a trade-off between speed and hash size. I'm no expert, but
>>it seems to me that optimal playing strength will be had with a moderate hash
>>size.
>>  regards
>>  Lin
>
>I think that this is the wrong way to test hash.
>You should test time to solution and not nodes per second.
What solution?
Of course you test for speed this way.
In Blitz games you need minimum Hash & 1 Mg is fine.
Every time a move is made on the board Hash is cleared.
If you have large Hash it takes more time for the engine to find
the position on the board & begin calculation.
That's how games are lost.
In Longer Tournament games Large hash is better.

>
>Uri



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.