Author: Günther Simon
Date: 08:52:24 05/26/05
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On May 26, 2005 at 10:37:25, Uri Blass wrote: >On May 26, 2005 at 10:24:49, Günther Simon wrote: > >>On May 26, 2005 at 07:11:26, Steve Glanzfeld wrote: >> >>>On May 26, 2005 at 05:03:01, Robert Hollay wrote: >>> >>>>Just out of curiosity: how much stronger would be Rebel on a today's top PC >>>>then it was on those 1998's one? >>> >>>As a very rough estimation, you can calculate the speed doublings for typical >>>CPUs (for example: 500 MHz -> 1 GHz -> 2 GHz are 2 doublings), and multiply with >>>30...50 Elo. It is not clear which value is more near to the truth, against >>>humans. Among comps, even values up to +80 Elo for twice the comp speed have >>>been used with good correlation. Against humans, more speed has less impact. >>> >>>Of course, that means the performance gain with exactly the same software >>>version on faster hardware. >>> >>>Hardware experts will be able to explain that a modern 2 GHZ CPU is more than 4 >>>times faster than a 500 MHz P3, but that's why I write "very rough estimation." >>>That uncertainty is unimportant because we have to guessimate :-) the Elo gain >>>per doubling, anyway... >> >>I just want to add that it is vice versa, at least for PIII to PIV machines. >>A PIV 2Ghz e.g. is much less than 4 times faster than a PIII 500Mhz(in kn/s). >>I don't remember though, why the PIII has a relative advantage... >>(Here, I could figure out e.g. that a PIII 650 is just ~ 3.3 times slower >>than a PIV 2.66 Ghz instead of the expected 4.1 times (if linear) - of course >>both machines are well tuned and configured). >> >>Guenther > >The question was > >"how much stronger would be Rebel on a today's top PC"? I did not answer any question... > >PIV is not one of today's top PC so it is not relevant. There was nothing mentioned of a 'todays top PC', actually I referred to a 'modern 2GHZ CPU', thus your post is irrelevant. Guenther > >If you compare A3000(that is 2000Mhz) with PIII 500 mhz you will find that >the A3000 is clearly more than 4 times faster. > >I found that My A3000(2000 mhz) 3 times faster than A1000(1000 mhz) for Movei >inspite of the fact that you could expect it to be only twice faster based on >the mhz. > > >Uri
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