Author: Tom Kerrigan
Date: 10:32:52 07/12/00
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On July 12, 2000 at 10:09:48, Chris Carson wrote: >On July 12, 2000 at 09:53:02, Freddie wrote: > >>Can someone please verify whether there will be a big difference in strength if >>a program like Fritz 6 is played against itself but on two different computers; >>one with 450 MHz processor and the other with say 600 MHz processor? Would it >>matter if the computer with the higher processor speed had half the amount of >>RAM as the lower one? > >Take a look at the SSDF to get a good assessment based on data about >the increase in rating points for computer vs computer and doubling >speed: http://home3.swipnet.se/~w-36794/ssdf/ > >Take a look at my list on Tony's site to get a good assessment of >human vs computer strength and doubling processor speed: >http://home.interact.se/~w100107/welcome.htm > >I will be posting the latest results when the two computer vs human >events are over with a composite ratings list, complete Tournatment >Performance Ratings (TPR) for all events thus far, comparison to >current GM strength, and processor impact statistics. :) > >In my opinion, processor speed increase still improves computer chess >strength signifigantly. Memory increase has a small impact, due to >hash table size up to the point where Nodes per Second (NPS) can fill >the hash table (beyond that, memory has a smaller impact). Fixing holes There's much more to this issue that dividing the number of hash table entries by the NPS. It's true that increasing memory doesn't give you much. But the reason is more like you have too many hash table entries and not too few. -Tom
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