Author: Robert Hyatt
Date: 07:04:53 09/25/01
Go up one level in this thread
On September 25, 2001 at 00:48:29, Jouni Uski wrote: >On September 24, 2001 at 09:53:10, Robert Hyatt wrote: > >>On September 24, 2001 at 04:14:30, Jouni Uski wrote: >> >>>On September 24, 2001 at 03:12:18, Tony Hedlund wrote: >>> >>>>On September 23, 2001 at 09:04:34, gregory j capace wrote: >>>> >>>>>If you have a faster processor, how much strength does this dd to the program ? >>>>>Does Fritz 6 run any stronger on my 566 mghz, versus a 450 nghz. , like the >>>>>rating says. How strong would it be on a 1.2 mghz. computer ? >>>> >>>>The step from 450 to 1200 MHz have gained 75 points so far. The step from 200 to >>>>450 gained 79 points. >>>> >>>>Tony >>> >>>Very interesting! Because 1200/450 = 2.67 and 450/200 = 2.25 there seems to be >>>diminishing return now?! Also I expect Fritz/Tiger to get 2725 rating in next >>>list. Hmm. What says Bob? >>> >>>Jouni >> >> >>First, Bob says 2725 has nothing to do with reality. >> >>Second, not enough data. Doubling the clock rate does _not_ double the cpu >>speed. Which means this is an apples and oranges discussion. I've always >>used the expression "doubling the cpu speed produces about 60-70 rating >>points." That does not mean "doubling the cpu clock speed produces ..." >> >>Just compare your favorite program on a 200mhz machine vs a 400 mhz machine. >>In some cases, the 400 might be > 2x faster (ie an old pentium 200/mmx compared >>to a PII/400 (which is based on the pentium pro core, much better processor than >>the original pentium core). >> >>So the clock speed isn't very interesting. The program's NPS is a better >>measure of speed improvement and rating increase. > >But previously simple clock speed has given very good indication about chess >speed. > >Jouni Then check out the PIV at (say) 1.5ghz, vs a PIII at 750 or an AMD anything at 750 and see if you get 2x the NPS. _that_ is the real issue.
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