Author: Robert Hyatt
Date: 06:35:59 05/25/04
Go up one level in this thread
On May 25, 2004 at 01:03:33, Slater Wold wrote: >On May 24, 2004 at 15:08:13, Robert Hyatt wrote: > >>On May 24, 2004 at 14:12:10, Slater Wold 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_??? >>> >>>Dual. And 32-bit. >>> >>>>Shredder has an SMP version which I would assume he is using... >>>> >>>>>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... >>> >>>My 2.4Ghz FX doesn't get 2.3M 32-bit. Where are you getting these numbers? >> >>Running in the last CCT the bench command was doing 2M. I posted the numbers >>here at some point. My log files for the DTS positions (on my ftp machine in >>the smpdata directory) shows that the first DTS position starts at 1.9M nodes >>per second. Here are the actual one-cpu runs: > >THAT IS 64-BIT. SHREDDER IS NOT 64-BIT. YOU CANNOT CLAIM 64-BIT SPEED WHILE >USING A 32-BIT PROGRAM. The difference is about 30% for Crafty. But that is because of the bitmaps. But, no matter what, a dual 2.2 _is_ twice as fast as a single 2.2, no matter how you cut it. It makes no sense to compare the speed of crafty to the speed of shredder. All that makes sense to compare is the speed of a dual 2.2 to the speed of a single 2.2... > >Crafty on my machine WILL be 64-bit. Shredder is NOT 64-bit. > >Alas, the machines are for the MOST part, equal.
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