Author: Ralph E. Carter
Date: 12:20:05 12/18/98
Go up one level in this thread
On December 18, 1998 at 11:38:49, blass uri wrote: > >On December 18, 1998 at 10:58:49, Harald Faber wrote: > >>On December 18, 1998 at 10:47:07, blass uri wrote: >> >>>>>In order to change the size of the hash tables I looked at c/program files >>>>>/chessmaster6000/cm and changes ttable_size but I am not sure if I did the right >>>>>thing because I found that there is ttable_size also in Cmdefault >>>>>and ttable_size is 20 in this file. >>>>> >>>>>should I change cm or cmdefault? >> >>>>Change the CM.INI >>> >>>I looked for the CM.INI and the computer gave me 1 file with the name cm but I >>>am not sure if I did the right thing because I did not find a difference in a >>>test position that I gave the computer when I change the hash tables >>> >>>here is the position: >>>r4rk1/2p3pp/p7/1p1pq3/8/2P2N2/PPQ2KPP/R1B5 w - - 0 1 >>> >>>How much time does it take chessmaster to find that Kg1 is losing(evaluation >>>-2.08) with ttable_size=26 and with ttablesize=10? >> >>Sorry, I am in office and can't check but there is no need to be 4x faster. >> >>>I found that in both cases the result is similiar >>>15 minutes and 4 seconds with ttable_size=26 and less than 18 minutes with >>>ttable_size=10(I do not know the exact time bexause I did other things in the >>>computer at the same time) >> >>15min<->18min is 20%. I admit I haven't investigated much the differences >>between the sizes of hash. Explanations and experiences for the size at which >>time control are well known. >>But 20% seems OK for me. Another point is that faster engines would profit more >>from larger hash tables. > >1)I am sure something is not allright because I changedthe ttable_size to -100 >and expected an error message from the computer but I found that chessmaster can >analyze > >2)I did not say that there is a factor of 20%(I did other things in the computer >at the same time in the test when ttable_size=10 > >3)I expect a bigger factor than 20% because ttable_size=10 is only one Kbytes >hash tables when ttable_size=26 is 64 Mbytes > >Uri > >Uri > >Uri Gentlemen: To change the hash size, it is the .ini file OF THE USER UNDER WHICH YOU LOG IN that must be changed. In my case, it is d:\Cm6000\users\mongrel\mongrel.ini (Whether cm.ini must also be changed, I don't know.) mongrel
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