Author: Joachim Rang
Date: 10:49:25 10/02/02
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On October 02, 2002 at 11:10:36, Robert Hyatt wrote: >On October 02, 2002 at 08:17:39, Joachim Rang wrote: > >>On October 02, 2002 at 07:12:38, George Sobala wrote: >> >>>On October 02, 2002 at 05:00:41, T. Opas wrote: >>> >>>>It is Deep Fritz 7, but the version is unclear, because there is an agreement, >>>>that Kramnik got the same version as used in the match three month before the >>>>match, means latest on the 4th of july. But the official release of DF7 for >>>>public was about the 15th of august! >>>>Hardware should be 8 x 900 MHz Compaq wizh 4 GB RAM. >>>> >>>>Best, >>>> Torsten >>> >>>So - 8x900MHz? Given the problems of non-linearity between number of processors >>>and "real" speedup, wouldn't a spanking new dual 2.4 or 2.8GHz P4 be as fast (or >>>even faster)? >> >>name me a better (available) system. >>There is no. Please Robert, clear up! > > >Maybe or maybe not. > >IE for example, using a rough performance estimate for crafty 8 x 900mhz would >theoretically like a 7200mhz machine. But in reality, it would run like a >(1 + 7*.7*)900 = 5.9 * 900 =5300 mhz roughly > >using a quad 2.2ghz machine would in theory provide 8800 mhz, but with crafty >would be closer to (1+3*.7)*2200 == 3.1*2200 = 6800mhz, which is significantly >faster... but, the Quad-system would use the new Xeon-CPUs, with the reduced operations/cycle (like the P4-CPU), which are for chess about 30% slower than the old PIII-CPU's, aren't they? The Xeon-System would be equal to a 4410 MHz PIII-Mhz. Am I right?
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