Author: Jeremiah Penery
Date: 02:34:22 04/29/00
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On April 29, 2000 at 01:02:29, Robert Hyatt wrote: >On April 28, 2000 at 23:39:10, Jeremiah Penery wrote: > >>On April 28, 2000 at 09:41:29, Chessfun wrote: >> >>>I think ponder=on on one cpu just don't work. >>>IMHO that is :-) >> >>As long as both programs are getting 50% of the CPU, it's (roughly) the same as >>a ponder-on match on 2 machines at half the time control. > > >It is really like a ponder-on match on 2 machines at about 3/4 of the time >control. Programs will use 50% of their total time properly. They will use >the other 50% of their total time for pondering, but roughly 50% of that will >be useful, 50% will be lost due to incorrect pondering. > >A game in 1 minute ponder=on is probably pretty close to game in 45 seconds, >ponder=off. True. But I was pointing out that this: 2 min/game, ponder=ON, 50% CPU (I.e., using one CPU.) is approximately the same as this: 1 min/game, ponder=ON, 100% CPU (I.e., using 2 CPUs.) Jeremiah :)
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