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Subject: Re: Hashtable size: diminishing returns?

Author: Gordon Rattray

Date: 02:31:27 03/29/00

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On March 28, 2000 at 12:44:58, Bruce Ramsey wrote:

>On March 27, 2000 at 12:26:02, Gordon Rattray wrote:
>
>>How much benefit can one expect by supplying more RAM for hash tables?
>
>Are you looking at this from the standpoint of a user of commercial chess
>programs (Shredder/Fritz/Junior/Tiger/etc)?  That's my slant, so my interest in
>move-ordering/algorithm-internals is low.  I just want to know how much it
>matters to a commercial chess program to have more RAM.
>
>>Should it be Athalon or PIII?  For the PIII, I'd be planning on a 800Mhz with
>>either 384Mb RDRAM (i820 chipset) or 786Mb SDRAM (440BX chipset).
>
>Yeah, tomshardware.com turned me off RDRAM before I even saw the sky-high RDRAM
>prices.  So for the short term it looks like SDRAM.  But how much RAM gets you
>to the point of diminishing returns with respect to commercial chess programs?
>Comments from the gurus would be welcome :-)
>
>Looks to me like it's either Micron with a Via chipset for the 133Mhz SDRAM, or
>Gateway/Dell with 100Mhz SDRAM.
>
>Do any gurus have comments with respect to how much it matters to commercial
>chess programs to have 133Mhz SDRAM versus 100Mhz SDRAM?
>
>Do any gurus have comments with respect to a Gateway Pentium versus a Gateway
>Athalon (with respect to the Athalon's reputed 200Mhz bus)?
>
>>Hence, my original question.  Especially for long time controls, should I go
>>for more of the less expensive SDRAM (768Mb)?
>
>I too am interested in long time controls, in my case for overnight game
>analysis.  If maxing out on RAM does NOT help computer-computer blitz games, but
>DOES help overnight analysis, then lots of RAM is interesting to me, up until
>the point where it blows my budget :-)
>
>>Finally, can anyone recommend a retailer?  I've been mainly looking at Dell and
>>Gateway.
>
>I'd be interested in recommendations as well.  I'm well aware money can be saved
>by building my own system, but I'm not going to.  It's going to be
>Dell/Gateway/Micron/HP/IBM or some other not-bottom-tier system builder, so
>comments from the gurus on such choices would be great.
>
>thanks, Bruce


I'm looking to run commercial programs, in particular Fritz/Junior.  I'll add
Micron to my list of candidate retailers.

Thanks for your input.

Gordon



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