Author: Robert Hyatt
Date: 08:02:39 06/08/04
Go up one level in this thread
On June 08, 2004 at 10:48:59, Sune Fischer wrote: >On June 08, 2004 at 10:04:26, Uri Blass wrote: > >>On June 08, 2004 at 09:24:04, Aaron Gordon wrote: >> >>>On June 08, 2004 at 08:25:45, Uri Blass wrote: >>> >>>>On June 08, 2004 at 08:11:54, Joachim Rang wrote: >>>> >>>>>On June 08, 2004 at 06:36:37, Chris Taylor wrote: >>>>> >>>>>>Have not had time to fully experiment with the thing yet, but early indications >>>>>>show it to be a tad faster. Will do some bench marking! >>>>>> >>>>>>Any one had any good reports with the C 1.7? >>>>>> >>>>>>I would like to squeeze some more nps for Crafty, and Rebel 12.. >>>>>> >>>>>>Chris >>>>> >>>>> >>>>>The Athlon XP 3000+ is clocked with 2100 MHz and according to this page it will >>>>>peform worse than the Pentium - M 1.7 Ghz, but don't forget the Athlon XP 3000+ >>>>>costs half the price of C 1.7. An AMD 64 3000+ which is still much cheaper than >>>>>an C 1.7 is even faster than C 1.7 and will gain from 64 Bit - Software in the >>>>>near future: >>>>> >>>>>http://www.beepworld.de/members39/computerschach2/chessmarks.htm >>>> >>>>Thanks for the link. >>>>I am surprised by the good results of the new pIV because I learned here that >>>>the PIV is bad for chess and it catches the 3th place in the list. >>>> >>>>I thought that the PIV is generasted for floating points numbers and not for >>>>chess. >>>> >>>>Uri >>> >>>Not sure what you mean Uri, better with the FPU maybe? Infact the P4 quite bad >>>with raw FPU instructions. Relative to Athlon XP/MP chips anyway... >> >> >>Here is part of the list: >> >>PIV-3.06/3,7GHz 1374 Kn/s Erdo (Wortmann-PC) >>DualXeon 3,565 1326 kn/s Jens H. (Fritz8; 1 CPU) >>Athlon64 "3200+" 1333 KN/s Werner Schüle (2.2GHz; Serie 2.0 GHz!!) >>Ahtlon64 3400+ 1334 KN/s Norbert Baumann (2.2 GHz) >> >>I thought that the PIV is bad for chess so I am surprised that it is better than >>some athlon64 hardware. > >I'm not sure if this is a test to compare hardware or a test to see which >hardware is best for Fritz, but Fritz 8 does not support 64 bit, AFAIK. > >I don't think the PIV would stand a chance against a native 64 bit Fritz version >for the Athlon64. So in this respect, Fritz is not the best benchmark tool. > >I'd use Crafty and possibly some other opensource chess progrogram that isn't a >bitboarder, then test the best 32 bit versus the best 64 bit compiles. > >I prefer benchmark tools which are opensource, everyone should know that there's >no fishy business going on. > >-S. I would agree. Crafty on a single-cpu 848 (2.2ghz opteron) is _faster_ than Crafty on my dual 2.8ghz xeon using both processors. The single-cpu opteron hits around 2M (and beyond) NPS. My dual xeon hits below 2M on the same test. An Opteron 850 is 10% faster... (FX53 clock speed).
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