Author: Robert Hyatt
Date: 20:12:47 10/07/02
Go up one level in this thread
On October 07, 2002 at 18:48:45, Peter Berger wrote: >On October 07, 2002 at 18:33:43, Jeremiah Penery wrote: > >>On October 07, 2002 at 18:29:35, Uri Blass wrote: >> >>>On October 07, 2002 at 18:19:29, Jorge wrote: >>> >>>>This may be a dumb question, but could someone tell me the reason for setting >>>>Ponder=off in comp to comp matches? If two computers with the same hardware with >>>>different, each with a program playing each other, why set ponder off? >>>> >>>>thnx, >>>>jorge >>> >>>Usually the people who play games with ponder off use only one computer and not >>>2 computers. >> >>Why set ponder off with one computer? > >Apart from OS issues (not sharing ressources consistently or evenly) there is >the problem of one of the programs not having a ponder move at some moment in >the game. This can happen to many programs in case of fail highs or lows. > >In this case the other program doesn't only have the (fair) advantage of being >able to search while the other one sleeps, but even worse it can think with >doubled CPU powers now - as the normal 50-50 suddenly becomes a 100-0 . As fail >lows and fail highs seem to happen more often in critical stages of the game it >becomes even worse. > >Peter This is certainly an issue, but it is fixable. IE Crafty will _never_ find itself with no move to ponder... But even if that is fixed, there are other potential problems as well...
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