Author: blass uri
Date: 12:00:15 07/06/99
Go up one level in this thread
On July 06, 1999 at 13:17:48, Robert Hyatt wrote: >On July 04, 1999 at 17:29:35, blass uri wrote: > >> >>On July 04, 1999 at 17:12:02, Bo Persson wrote: >> >> >>>Not quite. >>> >>>If you run under Windows, a program can behave badly and be a CPU hog. It can do >>>a number of "tricks", like increasing its own priority, to get more CPU time >>>from the system. >>> >>>This will be unfair to "the nice guy" who's program runs "properly" - share and >>>share alike. >> >>I do not suggest thinking and pondering at the same time. >>The only reason that the game is going to be twice longer is that instead of >>thinking and pondering at the same time I suggest to do it not at the same time >>so instead thinking and pondering for 2 minutes on the same time I need 4 >>minutes(2 for one engine to think and 2 for the second engine to ponder without >>knowing the move of the first engine) >> >>Uri > >I've explained this several times. "ponder=off" (crafty terminology) is _not_ >the way to play engine vs engine games. I do _all_ of my testing with >ponder=on, and only use ponder=off for test suites and debugging. My time >allocation code is tuned to run with ponder=on. Running with it off will >most definitely cause some timing difficulties that are not normally seen. > >I'd bet that if you ask, most programmers test with ponder=on and feel very >comfortable with their code. But if you ask them to play a serious tournament >with ponder=off, I'd bet you would see a _lot_ of testing going on to make sure >that this doesn't break anything. > >For _my_ program, "out-of-the-box" is the best way to run it, other than >customizing hash table size for your specific hardware. Everything else is >_exactly_ as I run it on ICC, which means that the 'defaults' are the best that >I know how to do... > >Changing anything will very likely weaken it. Perhaps significantly... I explained that there is no problem to do something eqvivalent to ponder=on in 1 computer. The only difference is that the games will be longer because the actions are going to be not in the same time instead of the same time. Uri
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.