Author: Robert Hyatt
Date: 12:00:05 05/24/04
Go up one level in this thread
On May 24, 2004 at 14:32:38, Vincent Diepeveen wrote: >On May 24, 2004 at 14:09:56, Robert Hyatt wrote: > >>On May 24, 2004 at 12:56:56, Slater Wold wrote: >> >>>On May 24, 2004 at 12:29:04, Russell Reagan wrote: >>> >>>>On May 24, 2004 at 12:06:46, Slater Wold wrote: >>>> >>>>>In a thread below, there is a post about Blargh, ICCs top computer. It has won >>>>>60% of its games at standard time controls, and only lost 16% in almost 3,000 >>>>>games! >>>>> >>>>>I am interested to know the OoO (opinion of outcome) of EVERYONE at the >>>>>following experiment, I will be in contact with the operator of Blargh, and will >>>>>try to set this up. >>>>> >>>>>Crafty 19.13 on an AMD FX53 (64-bit) vs Shredder 8 on a Dual Opteron 2.2Ghz >>>>>(32-bit) >>>>> >>>>>10 game match. 120/0. >>>>> >>>>>Opinions? >>>> >>>>Crafty on equal hardware probably doesn't stand a realistic chance against >>>>Shredder. Only Fritz scores at least 45% against Shredder on the latest SSDF. >>>>Junior and Hiarcs score at least 40%. Crafty would be behind those engines on >>>>equal hardware by a non-trivial margin (take the Junior-Crafty 10x experiment >>>>for example). >>> >>>OoO please... >>> >>>>What is interesting about a Shredder-Crafty match where Crafty is at a hardware >>>>_disadvantage_? >>>> >>>>BTW, that really explains a lot about why he is #1 on ICC. You have a freakin' >>>>FX53 and you're at a hardware disadvantage! Wow... >>> >>>It's a disadvantage, but a small one. How small? >> >>It is at least 2x disadvantage. >> >>You did notice that box is a _dual_??? >> >>Shredder has an SMP version which I would assume he is using... > >Comeon you need to be NUMA to run well on a dual opteron in 32 bits. Shredder is >SMP and has not released a 64 bits executable yet for xp64. You don't need to be NUMA at _all_ to run on a dual opteron. I've _done_ it, remember, I'm not just _talking_ about how it ought to be, I'm telling you how it _really_ is... Besides you have already said that Crafty doesn't know anything about NUMA yet it is getting good results on 2-8 opteron boxes... Pick a side and stay on it, please... > >Equal hardware SSDF shredder8-crafty : 43.5 - 3.5 > >> >>> >>>Crafty on a 2.2Ghz Opteron in 32-bit gets about 1.5M NPS. With a 1.89 speedup, >>>we get 2.8M nps. My FX53 (64-bit) will do 2.6M. It's at a 8% HW disadvantage. >>> >>>8% means nothing in a 120/0 game. >> >>Where are those numbers coming from? >> >> >>Crafty on a 2.2ghz opteron gets >2M on linux with GCC. With windows it is >>closer to 2.3M on a single opteron CPU...
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.