Author: Jouni Uski
Date: 21:48:29 09/24/01
Go up one level in this thread
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
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