Author: Robert Hyatt
Date: 22:00:07 04/28/00
Go up one level in this thread
On April 28, 2000 at 12:05:04, Chessfun wrote: >On April 28, 2000 at 11:58:05, Jason Williamson wrote: > >>On April 28, 2000 at 08:59:27, Chessfun wrote: >> >>> >>>All games on one Cel 433. >>>Ponder=on. >>>Tablebases used at 25 and longer. >>>Nunn 1 positions. >>>No opening books are loaded. >>> >>> 1 min game Fritz 6a 10.0 - 10.0 Crafty 17-10 >>> 2 min game Fritz 6a 12.0 - 8.0 Crafty 17-10 >>> 3 min game Fritz 6a 16.5 - 3.5 Crafty 17-10 >>> 5 min game Fritz 6a 16.0 - 4.0 Crafty 17-10 >>>10 min game Fritz 6a - Crafty 17-10 running >>>25 min game Fritz 6a 7.0 - 6.0 Crafty 17-10 Current score >>>60 min game Fritz 6a - Crafty 17-10 Unplayed >>>Tourney times Fritz 6a - Crafty 17-10 Unplayed >>> >>>These results seem to be all over. >>> >>>As anyone using F6 knows with ponder=on you get a question, >>>Permanent Brain on single processor?. >>> >>>Thanks >> >>Ponder on with one cpu will only determine which program can suck up more cpu >>power faster. ;) >>There isn't even a guarantee that the two engines would split it 50/50. > >This is also my opinion. >Thanks. As a person who has worked on operating systems for 30 years, it is not mine. Process scheduling algorithms are quite well understood. I would be terribly surprised if cpu is not exactly 50% (+/- 1 percent max) for the two processes, assume one is not beating on the disk for tablebase accesses while the other is not. It just doesn't happen.
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