Author: Matthew Hull
Date: 14:32:47 09/06/02
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On September 06, 2002 at 16:13:40, Robert Hyatt wrote: >On September 06, 2002 at 16:04:58, ALI MIRAFZALI wrote: > >>From the Threads here I am assuming that professor Hyatt beleives that 100X >>factor in speed (NPS) would be too much to overcome with software improvement >>factor.I am proposing the following possible match:Time control 40/2 6 >>games : GNU chess 5.04 on a pentium 4 at 2.4 Gigahertz vs Chessmaster2 original >>playstation (33 Mhz).This is actually a 73 factor in terms of processor speed >>which is not 100 but close.On the original playstation Chessmaster2 gets about >>1100 Nps. > > >Why gnuchess? I don't know much about it, and it might be perfectly ok. > >But you are also misinterpreting what I said. I did say that a factor of >100x, between programs that are "close" is overwhelming. Obviously a bad >program at 100X will be better, but it might not be much better. > >In any case, give your test a go and see what happens first... I'm running a test now with gnuchess (900mhz Duron) versus Crafty18.15 (90mhz Pentium). Gnuchess runs 16x faster on the Duron than the P90. At 40/30min minutes and after 36 games, gnuchess is 52% against crafty (not too impressive for gnuchess). The lower the time control, the better gnuchess does, of course. I have lots more data at home on this test, as well as an equal hardware test. I'm trying to get at least 40 games in each category, including 40/120. Not sure if the test will prove useful, but I'm thinking that one can do this experiment with any two engines and derive a function with which to calculate the speed advantage needed to reach parity/superiority by the weaker engine, qualitative factors aside.
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