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Subject: Re: Some thoughts for those who are considering to buy a Dual processor PC

Author: Vincent Diepeveen

Date: 11:47:27 03/27/01

Go up one level in this thread


On March 26, 2001 at 22:00:41, Christophe Theron wrote:

>On March 26, 2001 at 21:52:16, Vincent Diepeveen wrote:
>
>>On March 26, 2001 at 21:35:51, Christophe Theron wrote:
>>
>>>On March 26, 2001 at 20:06:21, Vincent Diepeveen wrote:
>>>
>>>>On March 26, 2001 at 18:49:47, Christophe Theron wrote:
>>>>
>>>>>On March 26, 2001 at 18:35:17, Frank Quisinsky wrote:
>>>>>
>>>>>>Hi Christophe,
>>>>>>
>>>>>>a very interesting and good message, like that !
>>>>>>
>>>>>>Now a little bit in my superb English :-))
>>>>>>
>>>>>>01. I believe you forget the important factor, that you can playing engine -
>>>>>>engine matches on a dual system with ponder! An interesting player must not buy
>>>>>>a second computer and an autoplayer.
>>>>>
>>>>>
>>>>>I do not disagree, but my post was about the increase in playing strength from a
>>>>>dual system. Maybe it was directed more at those who think that they are going
>>>>>to crush everybody on the chess servers with an expensive dual system. :)
>>>>
>>>>I think those persons are not completely insane then, because
>>>>in blitz programs search to very shallow depths. Especially the so called
>>>>3 0 matches which are popular (i personally never play with diep 3 0
>>>>against other engines as i don't care about that level as debugging
>>>>such a game costs me more time as the game itself costs for sure, not
>>>>to mention that the scores scroll too quick on my screen with 3 0 and
>>>>the shallow depths make the game not very serious representing tournament
>>>>level).
>>>>
>>>>Most people who are running a prog on a chess server kick only on dick
>>>>height. In that respect a dual is a good thing for them. As in blitz it's
>>>>not 20 points or so it's more like 150 to 200 rating points at least
>>>>difference.
>>>
>>>
>>>Your 150 to 200 elo figure is nonsense.
>>
>>I remember the first duals coming into ICC.
>>Ratings jumped up. DIEP got completely annihilated by crafty
>>when they arrived.
>>
>>Nonsense?
>>
>>Your words!
>>
>>Diep single cpu 450PII 6 ply in blitz.
>>Diep dual 800 cpu 8-9 ply blitz.
>>
>>Pick the rating difference...
>
>
>Of course you could demonstrate your point about the 150 to 200 elo jump by
>writting a program that really sucks until it can run at 800MHz or higher, but
>my point is that a well designed program will not get a 150 to 200 elo increase
>just because it is running on a dual, even at 3 0.
>
>The elo increase, at any time control, will be in the range around 25 ELO.

So you claim that for a near to factor 2 speedup of a machine, that
the rating win is 25 points?



>Hey, if you go at 6 plies on a 450 and reach 8 to 9 plies on a 800, you have a
>bloody serious problem somewhere in your program, believe me. :)
>
>
>    Christophe



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