Author: Matt Taylor
Date: 15:21:57 12/04/02
Go up one level in this thread
On December 04, 2002 at 18:11:44, Robert Hyatt wrote: >On December 04, 2002 at 10:43:59, Vincent Diepeveen wrote: > >>On December 04, 2002 at 10:21:08, James T. Walker 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 >>> >>>For what it's worth: I purchased one stick (256M) of DDR ram to compare to my >>>cheap SDRAM. I found no noticable difference in chess performance (just price). >>> I did not do any extensive testing. I simply compared Fritz marks. I suspect >>>that in the future most motherboards will not accept the SDRAM. >>>Jim >> >>I see a big difference. 64 versus 32 bytes cache lines matters >>a lot for DIEP and all software that doesn't fit within L1 cache. >> >>Best regards, >>Vincent > > >What is 64? newer PIVs are 128 byte lines. Older PIII's and before are 32 byte >lines. Argh. I thought the line size was 128 bytes (instead of 64 which I believe I have said), but I have no P4 on which to check right now.
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