Author: Paulo Soares
Date: 22:41:56 04/05/99
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On April 05, 1999 at 23:13:26, Steven Juchnowski wrote: > >On April 05, 1999 at 20:49:55, Paulo Soares wrote: > >>Is the formula below, that is on the Fritz5 manual, >>a generic formula, or either, it can be applied >>to optimize hashtables of any program? >> >> >> HT(Kb)=2.0*Pfreq(Mgz)*t(S) >> >> HT= optimized hashtable size in Kb. >> Pfreq= clock speed of the processor in Mgz. >> t= average time avaiable per move in seconds. >> >>If this is not a generic formula, exists a specific >>formula for each program? >> >> >>Best regards, >> >>Paulo Soares, from Brazil > >The equation is specifically formulated for Fritz5. >Slower searchers such as Hiarcs7 will take more time to >fill the hash table. The constant in the equation will >need to be reduced for a slow searcher like Hiarcs7. > >The equation is probably not terribly accurate as the type of >processor also needs to be considered. For example a >Pentium 200 MMX is faster than a Pentium 200, hence a >larger hash table would be required for the MMX than what the >equation would predict. > >Regards > >Steven Juchnowski Steven, You are rigth. You find that the formula for Fritz5 could be adjusted for any program, for a factor related with the number of nodes for second? Regards, Paulo Soares
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