Author: Tom Kerrigan
Date: 10:24:19 06/07/00
Go up one level in this thread
On June 07, 2000 at 08:42:20, Laurence Chen wrote: >On June 07, 2000 at 05:16:33, Ricardo Gibert wrote: > >>On June 07, 2000 at 01:36:16, O. Veli wrote: >> >>> I am planning on building a powerful yet cheap PC for chess. AFAIK there is no >>>difference between Pentium III and Celeron chips on chess performance. A dual >>>processor version is better than a single one so a dual Celeron + Deep Junior ( >>>and of course Crafty) will have a strong Elo/$ value (Dual or quad Pentium III >>>is out of my reach). How much Elo would dual Celeron + Deep Junior gain compared >>>to single Celeron + Junior? What other things should I keep in mind on this >>>machine? Thanks. >> >>Your choice is not so simple. Consider: >> >>ABIT BP6 + 2 533 Celerons $350 >> >>ASUS K7V + 1 700 Athlon $350 >> >>Its estimated that a doubling of speed is worth about a 50 rating point gain, so >>we can use the following equation: >> >>73*ln(s1/s2) = Delta R >> >>73*ln(1066/700) = 31 rating points >> >>Now look at the SSDF ratings here: >> >>http://home3.swipnet.se/~w-36794/ssdf/nr000.htm >> >>Fritz 6 is rated 2721 >> >>Junior 6 is rated 2689 (I'm assuming Deep Junior is the same on 1 cpu) >> >>2721 - 2689 = 32 rating points >> >>So someone with the Athlon will do just as well using Fritz 6 as you will using >>the dual Celerons using Deep Junior. Of course, these are _very_ rough >>calculations. >> >>We have assumed that the _relative_ ratings are accurate, that the 50 rating >>point estimate is accurate, that Deep Junior is just as strong as Junior 6 on >>one cpu, that Deep Junior scales up going to 2 cpus with 100% efficiency, etc. >>Clearly, many of these assumptions aren't very reasonable. >> >>The dual cpu system is not everything it is cracked up to be as far as chess >>goes. The quality of the program is just as important as the speed of the >>hardware. But even if Deep Junior is just as good as Fritz 6, you do not gain >>much. >> >>When you get a dual system, your choice of hardware is more limited and your >>choice of software for it that takes advantage of it is more limited. You make >>compromises. I prefer the ASUS motherboard to the ABIT motherboard. The ASUS >>motherboard is the best one for the Athlon. The ABIT motherboard is not the best >>for the Celeron. It's the one you get when you want to run a dual system. >> >>Naturally, there are other reasons for getting a dual system. I hope this helps >>you make your decision. >You forgot to mention about the OS, a dual processor will require Windows NT, or >Windows 2000, since Microsoft no longer sells Windows NT 4, then you have no >choice but buy Windows 2000, the OEM is about U.S. $350.00. >IMHO I don't think that Celerons are suitable as Dual Processors for high end >processing. Celerons are great for Games, or some office suite programs such as >Word Processing, and spreadsheets. >Laurence Celerons are all but identical to Pentiums. I don't know why either chip would be better at something, unless you're talking about some esoteric cache issue. -Tom
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