Author: Vincent Diepeveen
Date: 15:35:16 12/04/02
Go up one level in this thread
On December 04, 2002 at 11:09:14, Matt Taylor wrote: >On December 04, 2002 at 08:00:35, martin fierz wrote: > >>hi, >> >>i'm on the lookout for a new PC for endgame database computations. i'll probably >>be buying a lot of ram, 2-3GB. i see that there is a big price difference >>between DDRAM and SDRAM. IIRC the main difference is that you get a larger >>bandwidth, but about the same latency with DDR - so i suppose i'm better off >>buying SDRAM for my application. any opinions of the experts? >> >>thanks in advance >> martin > >If you are working with a database, bandwidth is going to be important. Latency i do not know which databases you use or how big your queries are, but if i browse in immense databases, then latency is very very important :) In which case DDR ram is exactly 2 times faster. O yes, also over 2 times cheaper too :) >will be nearly irrelevant because you'll always be accessing the ram. Also, you >can't buy a fast machine on plain SDRAM. All of the new AMD motherboards and >chips use DDR SDRAM. Intel uses DDR SDRAM and RDRAM. This puts low-end (~1.6 >GHz) Athlons and P4s around the same price as older chips that use SDRAM. > >For you, I would think that RDRAM would be most preferable because it has a lot >of bandwidth. My DDR-based Athlon is 1.6 GB/sec, but my RDRAM-based P4 is 2.7 >GB/sec. Newer P4s theoretically reach higher. That DDR has lower latency becomes >meaningless when you're utilizing the maximum capacity of the memory bus and >hungry for more as most databases are. > >Depending on your time frame, there are other elements that you may also wish to >consider. JDEC has completed a DDR-II specification, but likely it will not >reach the consumer market until next summer. Also, AMD's Clawhammer processor >releases sometime next quarter (hopefully earlier). > >-Matt
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.