Author: Christophe Theron
Date: 20:52:27 06/13/02
Go up one level in this thread
On June 13, 2002 at 12:54:16, Robert Henry Durrett wrote:
>On June 13, 2002 at 11:28:52, James T. Walker wrote:
>
>>On June 13, 2002 at 10:43:42, Robert Henry Durrett wrote:
>>
>>>An idea:
>>>
>>>Perhaps it is possible to know, in advance, which computer SSDF will use for
>>>testing of a particular chess program.
>>>
>>>If so, then do you suppose it would be possible to get a higher rating by
>>>optimizing the code for that particular computer?
>>>
>>>How much higher?
>>>
>>>Bob D.
>>
>>Everyone knows they have been using AMD 1200 Mhz computers for quite some time
>>now.
>>Jim
>
>I interpret this to imply that "everybody does it."
You do not interpret correctly.
I have never owned any Athlon chip, nor tested Chess Tiger on one.
On only have computers with K6-2, P3 and P4 (I also have 386, Pentium and K5 but
do not use them much anymore).
Chess Tiger is also tested on DragonBall (68000 core).
And to answer your question, the potential gain of knowing exactly on what
processor the programs will be tested must be in the range +/- 1 or 2 elo
points.
What a bargain.
Christophe
>That leaves the question: How much higher are the SSDF ratings than they would
>have been if commercial versions [Assumed to be not optimized for one specific
>computer] were used?
>
>Not really asking about books. More interested in knowing how much difference
>optimization for a specific computer would make.
>
>Bob D.
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