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Subject: Re: SSDF There is something wrong about doubling the speed ?

Author: Jorge Pichard

Date: 03:57:12 12/06/02

Go up one level in this thread


On December 06, 2002 at 06:29:55, Uri Blass wrote:

>On December 06, 2002 at 06:10:01, Jorge Pichard wrote:
>
>>On December 06, 2002 at 04:57:01, Uri Blass wrote:
>>
>>>On December 06, 2002 at 04:44:05, Jorge Pichard wrote:
>>>
>>>>On December 06, 2002 at 04:18:38, Uri Blass wrote:
>>>>
>>>>>On December 06, 2002 at 03:47:31, Jorge Pichard wrote:
>>>>>
>>>>>>On December 05, 2002 at 16:52:06, Roy Eassa wrote:
>>>>>>
>>>>>>>1200 MHz Athlon results only:
>>>>>>
>>>>>>I read several times that doubling the speed account for at least 50 Rating
>>>>>>points, but if you consider Chess Tiger 15 performance on a mere K6 450 Mhz
>>>>>>which is less than half the speed of an AMD Athlon 1.2 Ghz, the difference is
>>>>>>less than that.
>>>>>
>>>>>I think that you miss the statistical error and it is also not clear that
>>>>>you get always at least 50 elo from doubling the speed when the hardware get
>>>>>faster.
>>>>>
>>>>>Diminishing returns is possible.
>>>>>
>>>>>Uri
>>>>
>>>>That is true, but it would be interesting to find out what is the breaking point
>>>>where the diminishing returns take effect, there has to be a breaking point in
>>>>hardware's speed where the difference in speed no longer is important.
>>>>
>>>>Pichard.
>>>
>>>I do not believe in one breaking point.
>>>
>>>I guess that this is a process and I also believe that it is a slow process.
>>>The difference may get down from 50 to 45 and from 45 to 40 but you are not
>>>going to see close to 0 returns in the near future.
>>>
>>
>>The difference has already decreased from 50 to 45 and even lower than 40 if you
>>take into consideration Chess Tiger 15 from K6-450 Mhz to 1.2 Ghz.


Doubling the hardware's speed would be from a K6-450 Mhz to an AMD 900 Mhz, but
you are considering from K6 450 to 1.2 Ghz which is almost 3x times faster.

Pichard.

>I think that there is a bigger statical error and I expect the difference to be
>more than 50 even for tiger in the next list
>
>The difference for Deep Fritz7 is 110 elo and the right gain is probably in the
>middle.
>
>(110+52)/2=81 is an estimate for the gain from the new hardware(52 is for tiger)
>
>It is possible to calculate better estimate by using more programs but I am too
>lazy to do it at this moment.
>
>Uri



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