Computer Chess Club Archives




Subject: Re: Couple of chess programming questions

Author: Vincent Diepeveen

Date: 14:17:24 09/10/02

Go up one level in this thread

On September 10, 2002 at 16:04:56, Uri Blass wrote:

>On September 10, 2002 at 16:02:16, Uri Blass wrote:
>>>but then your hashtable management sucks ass, sorry to say so.
>>>I get in Napoleon also only mainlines out of hashtable (with pvs)
>>>wasting system time in the search to update all kind of stupid
>>>arrays for it is a waste of time, and the next iteration you get
>>>true bounds, so you can't get the mainline in arrays anyway (mtd
>>>is different here). finding a win in 50 ply is no problem to display...
>>What is all the stupid arrays that you need to update(except the pv array).
>>How much time do you waste for updating them?
>I mean how much time do you need to waste if you want the correct pv?

Nothing, i just get it from hashtable and can proof i get the entire
line usually and only very sometimes i might miss 1 move. In fact
i don't even protect my PV at all when storing to hashtable!

That *small* is the chance i overwrite it.

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