Author: Robert Hyatt
Date: 17:44:04 04/28/00
Go up one level in this thread
On April 28, 2000 at 15:55:14, Dann Corbit wrote: >On April 28, 2000 at 15:36:59, Christophe Theron wrote: >[snip] >>While I think the ponder=off experiment is a valid one (at least to see how >>program strength varies with time controls), I have doubts about ponder=on on >>one CPU. >> >>If you can, I would suggest you use 2 computers. But if you do not have 2 >>identical computers, ponder=on on one CPU will maybe tell us something too... > >Here I agree. Which program dominates will depend largely on how effectively a >program grabs all of the CPU. If a program had an occasional >yield()/sleep()/whatever in it so that other programs could get a chip of CPU >from time to time or at least the mouse moved freely, it might crush that >program in that setting. > Clue: You will _not_ find sched_yield() or sleep() in _any_ chess engine 'core'. no chance whatsoever. :) >I don't think the machines have to be equal, as long as you alternate and play >at least 4 games. E.g. with Winboard, use /mg 4. > >However, if the machines are totally lopsided (e.g. p5 against AMD Athlon) then >that would harm results also. But as long as the machines are within 2x of each >other, I think you would still get data of some value.
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.