Author: Vincent Diepeveen
Date: 06:38:58 07/18/02
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On July 18, 2002 at 09:11:09, Thomas Mayer wrote: unless you coded your thing in MMX, which would make it more than factor 1.7 slower for the P4, as the P4 only has 1 MMX decoder, versus K7 has 2, then you sure are about 1.7 times slower as well :) >Hi Vincent, > >> divide by 1.7 for chessprograms to have the real speed of it in AMD K7 Mhz. > >You know that this depends on the engine... As much as I know about Diep (And I >do not know much... :) your 1.7 could be quite possible... I have tested here >with a PIV-1600 (SDRAM) -> and for Quark the factor was 1.53, so a PIV 2400 >would be around the same speed then my current Athlon XP 1800+ (1566 MHz.) It is >possible that the PIV 2400 with RAMBUS could outperform my Athlon, but I doubt >that due to the structure of RAMBUS which is not so perfect for chess... When >discussion comes to speed / price Athlon is still the best choice... > >Greets, Thomas > >P.S.: Besides, I have also tested on an PIII-1266 here - it was just 1.13 slower >then my Athlon, so in speed per clock it is a real monster... to bad that intel >has given up the PIII-structure... But for other engines this might differ >also... a possible reason that this PIII-1266 performs so well might be, that it >has the big on die cache with 512 KB...
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