Author: Robert Hyatt
Date: 12:24:46 10/02/02
Go up one level in this thread
On October 02, 2002 at 13:49:25, Joachim Rang wrote: >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? That I really don't know. I have not tried a P4 xeon as of yet so I don't have any data from personal experience...
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