Author: leonid
Date: 04:54:32 08/10/00
Go up one level in this thread
On August 09, 2000 at 21:44:38, Tom Kerrigan wrote: >On August 09, 2000 at 17:32:48, leonid wrote: > >>On August 09, 2000 at 17:04:37, Tom Kerrigan wrote: >> >>>On August 09, 2000 at 15:59:24, leonid wrote: >>> >>>>>I don't recall Ed ever calling his search brute force. >>>>> >>>>>-Tom >>>> >>>>If it is so, now I see why my branching factor is so miserable. >>>> >>>>I asked above question when I tried to solve this position by brute force. For >>>>black side I looked up to 10 plys deep and it took already 12 min 17 sec. Move >>>>was wrong. Black knight goes to the position e2. And for finding right move I >>>>must go to the next 12 plys search. But this could take some next 6 hours. This >>>>is how my old question about branching factor came to me. It prohibit to my >>>>program to see very rapidly and reach far distance. >>> >>>You're the only person in the entire world who does these "brute force" >>>searches. >>> >>>-Tom >> >>When you want to know if your basic speed is the right one, only brute force >>search could say you so. This I remember from writing my program for finding > >I don't know what basic speed means, but I'm sure that there isn't a right one. >And a fixed-depth brute force search with no extensions and no quiescence search >won't tell you anything useful. > >-Tom Tom, if you compare two programs that do its search, but not by brute force, you actually compare "pruning technics" for both of them. But how much program with good pruning technics still miss from its potential, you will find by seeing its brute force speed only. Leonid.
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