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Subject: Re: How does the differences in computer speed, translate in terms of Elo?

Author: blass uri

Date: 11:31:51 09/01/99

Go up one level in this thread


On September 01, 1999 at 14:20:20, Robert Hyatt wrote:

>On September 01, 1999 at 14:01:37, blass uri wrote:
>
>>On September 01, 1999 at 09:35:57, Robert Hyatt wrote:
>>
>>>On September 01, 1999 at 08:57:57, blass uri wrote:
>>>
>>>>On September 01, 1999 at 07:47:20, Robert Hyatt wrote:
>>>>
>>>>>On September 01, 1999 at 06:11:23, odell hall wrote:
>>>>>
>>>>>>Hi
>>>>>>
>>>>>>
>>>>>>  Is there a huge difference in terms of elo points between rebel 10 on the
>>>>>>K6-600 amd and what my system K6-II350 ? The rebel page suggest that the
>>>>>>diffence is very minor, 2554 for k6-amd and 2576 for k6600?  The reason I am
>>>>>>asking is because i am getting a little obssesed with the need to have the
>>>>>>strongest program, even though I could not beat rebel on my 486!!! I am
>>>>>>wondering if it would really be worth it to upgrade? What's a few rating points?
>>>>>>I probally would not notice the difference anyway.  I notice also that my rebel
>>>>>>found all the moves of schroeders Amdk6 600  in the last grandmaster challenge.
>>>>>
>>>>>
>>>>>As I have said before, if you double the speed, your 2x faster rebel will
>>>>>be about 70 points better than the slower one, when they play each other.
>>>>>Against humans, there is too little data but it is certain that the 2x faster
>>>>>one won't be 70 points better than humans it was playing equal with at the
>>>>>slower speed...
>>>>
>>>>We have information that it is the case about p200MMX vs p90
>>>>but we do not have information if it is the same at tournament time control for
>>>>faster hardware.
>>>>
>>>>The only way to prove that it is the case or to prove the opposite is by playing
>>>>games with faster hardware.
>>>>
>>>>Uri
>>>
>>>
>>>Actually we do have this.  The first such experiment was run on horribly slow
>>>hardware years ago.  Then Ken Thompson did the same with his belle machine and
>>>got the same results although at least 100X faster hardware was used.  Hitech
>>>did the same thing for longer time controls.  All three agreed.  Monty Newborn
>>>and Ernst both investigated searching way deeper which simulates faster hardware
>>>than anything other than Deep Blue has, and they _both_ found that deeper is
>>>still better...  with no 'tapering off' at least thru ply 15 in the middlegame.
>>>
>>>I'm convinced that faster = better, and that it is still linear and not getting
>>>worse.
>>
>>I am not convinced that it is still linear.
>>The only proof can be by games and not by the probability to change your mind or
>>to find a new move because it is possible that the new move does not change the
>>result.
>>
>>There is a point when it stop to be linear because you cannot improve forever
>>and it is not clear where is this point.
>>
>>I know results of many games of pentium200 vs p90 at tournament time control but
>>I do not know the same for faster hardware(p450 vs p200).
>>
>>Uri
>
>
>The first examples I gave _were_ from games.  First using 'tinkerbelle', then
>using belle, then using hitech.  All three produced similar win/lose percentages
>over shallower/slower searches, even though the games played with tinkerbelle
>and then belle didn't go as deeply as later games...

The question is if the level in the first examples was better than p200 vs p90.

Uri



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