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Subject: Re: Does SSDF list show diminishing returns? Some calculations

Author: Gian-Carlo Pascutto

Date: 01:25:08 10/08/01

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On October 08, 2001 at 03:13:22, Jouni Uski wrote:

>In latest SSDF list benefit from Athlon 1200 Mhz to K6-2 450 Mhz is:
>
>Deep Fritz      72
>Gambit Tiger	80
>Tiger           71
>Shredder        99
>Junior          55
>Gandalf        142
>
>In average this is +84 points (weighted by number of games). In CSS 1/01 there
>is some benchmarks for Atlon with all these program. I compared them to my own
>K6-450 and got speedup:
>
>Deep Fritz      3,40
>Junior          3,43
>Shredder        4,73
>Tiger(both)     2,67
>Gandalf         5,30
>
>In average 3,70. This gives (log2/log3,7)*84 = 45 points for speed doubling.
>Previously it has been spoken about 60-70 points for doubling, so there is
>diminishing returns now!

It should be obvious that, given that the speedup results differ so much,
that is a shaky conclusion.

--
GCP



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