Author: Rick Andrews
Date: 20:30:07 08/12/99
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On August 12, 1999 at 10:21:06, Ralf Elvsén wrote: >On August 12, 1999 at 03:13:03, Rick Andrews wrote: > >>About how much weaker would a 180mhz computer play as compared to a 200mhz? >>Thanks,Rick > >Hi > >I'm not absolutely sure about this, and if I'm wrong I surely will >be corrected. Anyway... > >A doubling of processor speed should give a rating >increment of approximately 70 points >(give or take some, it's the right order of magnitude...) > >So, a factor f = 2 gives r = 70 points >A factor f = 4 gives r = 140 >f = 8 gives r = 280 etc >In general: f = 2^(r/70) or inverted > >r = 70*ln f/ln 2 where ln is the natural logarithm (anyone got a formula >editor?) > >f = 200/180 = 1.11 and this is the factor you are considering. >Insert in the above formula to get r = 11 rating points. Barely measureable... > >I have not taken into account any assumption about diminishing return. > >Ralf Thanks Ralf for taking the time. Rick
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