Author: Robert Hyatt
Date: 09:38:35 12/01/02
Go up one level in this thread
On December 01, 2002 at 09:26:35, Bob Durrett wrote: >On December 01, 2002 at 04:35:09, David Rasmussen wrote: > >>On November 30, 2002 at 23:40:30, Robert Hyatt wrote: >> >>> >>>And some have reported no speedup for DF as well, but I don't worry since I >>>don't have anything to do with that program. But as far as "does crafty have >>>trouble with AMD?" or "does AMD have trouble with Crafty?" the two questions >>>are identical... >>> >> >>Sure, but that doesn't mean that a program like Crafty couldn't be made to run >>as fast on Athlons as on P4's, or faster. It is your design choice. There is >>nothing that makes it harder on the Athlons than on the P4. You've chosen to >>make them faster on P4. >> >>/David > >The thrust of this conversation seems to run counter to the Crafty v18.11 >Benchmark comparison posted here recently. AthlonXP 2.52GHz was shown to have >Kn/s much higher than P4-3.25GHz. Unfortunately, we were not given particulars >regarding the computer(s) and memory type(s) used in the comparison. > >Maybe the memory type explains everything? Could it be that AMD runs chess >engines best using one type of memory whereas Intel processors run best with >another type of memory? > >This thread seems to suggest that the dominant factor is "compatibility" of the >Crafty software with the different types of processors, rather than memory type. > Implied is that other chess engines might have the opposite compatibilities, >with Intel being favored for one engine, AMD best for another, and some engines >running equally well on either. Obviously, a commercial program must run well >with all commonly used processors, but Crafty is not commercial. > >To complicate matters, it may [?] be that some chess engines do better with one >type of memory and others do best with another kind of memory. > >Then there is that "multi-threading stuff" to furthur complicate this issue. > >How to sort out this mess??????? > >Bob D. The age-old advice when shopping for a new computer: "try before you buy" :)
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