Author: Albert Silver
Date: 05:54:27 07/29/04
Go up one level in this thread
On July 28, 2004 at 12:41:40, Joachim Rang wrote:
>On July 28, 2004 at 12:24:58, Uri Blass wrote:
>
>>On July 28, 2004 at 12:01:43, Joachim Rang wrote:
>>
>>>On July 28, 2004 at 11:49:18, Keith Kaplon wrote:
>>>
>>>>I have no data on this. I remember Dr. Hyatt's machine won an impressive
>>>>computer tourney on ICC not too too long ago.
>>>>
>>>>I'm trying to set up an analysis program in Linux - and so far the only engines
>>>>I have which work in Linux are Crafty and Ruffian 2.0.2 and Ruffian 2.1.0 (and
>>>>of GNU chess).
>>>>
>>>>Any data much appreciated :-)
>>>
>>>on equal hardware most probably Ruffian.
>>>
>>>Here is a tournament when Ruffian scored slightly ahead of Crafty 19.12:
>>>
>>>http://wbec-ridderkerk.nl/html/his7thedition.html
>>
>>I think that it is dependent on the hardware that you use.
>>
>>You can also give both programs equal quad opteron(hardware that Crafty used to
>>win the ICC tournament) and I am not so sure that Ruffian is better.
>>
>>It is not fair to talk about the case that both programs get a single processor
>>and ignore the case that both program get 4 processors(the fact that Ruffian can
>>use only one of them is not the fault of Crafty).
>>
>>Uri
>
>
>oh come on Uri. Why play the pedantic nitpicker and highlightening _every
>inaccuracy_ which occur in some posts?
>
>Of course I should have written "on equal single-processor-hardware". Guess
>what? This formulation crossed my mind for a milisecond but I dropped it since I
>thought, that it is too obvious to mention it and only a deliberate nitpicker
>would highlighten it.
>
>regards Joachim
Mmmm...yeah... It's not really nitpicking that much. Quite a number of members
here have multi-processor computers, even if hardly a majority. If you're out
for the best your machine can get, then it's good to know that some engines do
not take advantage of that and can end up being worse, even if they might
theoretically have an edge on a single CPU. As obvious as it might seem to
someone in the know, it can be surprising to find out how many people don't know
whqt you consider to be 'obvious'. I'd be curious to see how Ruffian holds
against the latest edition of Crafty 19.15 SE anyhow to see if this still holds
true and by how much.
Albert
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