From: Timothy Miller <miller@techsource.com>
To: Timothy Miller <miller@techsource.com>
Cc: Edward Tandi <ed@efix.biz>, joe briggs <jbriggs@briggsmedia.com>,
Artur Jasowicz <kernel@mousebusiness.com>,
Brian Jackson <brian@brianandsara.net>,
Bart SCHELSTRAETE <Bart.SCHELSTRAETE@dhl.com>,
Kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: AMD MP, SMP, Tyan 2466
Date: Wed, 25 Jun 2003 19:39:50 -0400 [thread overview]
Message-ID: <3EFA32C6.5030303@techsource.com> (raw)
In-Reply-To: 3EFA2F97.5000705@techsource.com
Timothy Miller wrote:
> It is my understanding that the registered memory requirement has
> nothing to do with SMP but instead with the amount of memory you have.
> The more memory chips you have, the greater the signal loading on the
> memory bus. More input drivers means more capacitance which means you
> need your output drivers to put out data sooner (relative to the clock
> edge, so registered delays by one clock) and stronger (greater drive
> strength).
>
> In an SMP system (besides NUMA), multiple processors will talk to the
> same memory through a shared memory controller (like in a Northbridge),
> so although there are multiple processors, there is still only one
> memory bus. Pulling off one CPU isn't going to change that situation.
>
Here's a URL:
http://www.simmtester.com/PAGE/memory/memfaq.asp?cat=6&subcat=&tableView=detail&faqId=15
next prev parent reply other threads:[~2003-06-25 23:23 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-19 16:37 Crusoe's persistent translation on linux? Samphan Raruenrom
2003-06-19 18:03 ` Vojtech Pavlik
2003-06-19 19:51 ` Samphan Raruenrom
2003-06-20 0:02 ` Nuno Silva
2003-06-20 0:16 ` Linus Torvalds
2003-06-20 2:08 ` Nuno Silva
2003-06-20 9:08 ` Xavier Bestel
2003-06-20 9:33 ` Nick Piggin
2003-06-20 14:08 ` Henning P. Schmiedehausen
2003-06-20 15:38 ` Linus Torvalds
2003-06-20 16:51 ` AMD MP, SMP, Tyan 2466 kernel
2003-06-20 17:08 ` Bart SCHELSTRAETE
2003-06-20 17:09 ` Brian Jackson
2003-06-25 17:37 ` Artur Jasowicz
2003-06-25 18:51 ` joe briggs
2003-06-25 18:16 ` Mike Dresser
2003-07-21 20:52 ` Artur Jasowicz
2003-07-22 4:02 ` Jason
2003-07-23 12:19 ` paterley
2003-07-23 20:03 ` Joe Briggs
2003-06-25 19:01 ` joe briggs
2003-06-25 18:56 ` Edward Tandi
2003-06-25 22:59 ` Timothy Miller
2003-06-25 23:17 ` Edward Tandi
2003-06-25 23:26 ` Timothy Miller
2003-06-25 23:39 ` Timothy Miller [this message]
2003-06-26 0:29 ` Edward Tandi
2003-06-25 23:40 ` Edward Tandi
2003-06-26 15:12 ` Herbert Poetzl
2003-06-25 23:35 ` Joel Jaeggli
2003-06-26 12:25 ` AMD MP, SMP, Tyan 2466, REISERFS I/O error joe briggs
2003-06-26 11:55 ` Oleg Drokin
2003-06-26 13:37 ` joe briggs
2003-06-26 23:15 ` Timothy Miller
2003-06-26 23:48 ` Joel Jaeggli
2003-06-27 13:01 ` joe briggs
2003-06-20 12:05 ` Crusoe's persistent translation on linux? Samphan Raruenrom
[not found] ` <20030619221126.B3287@ucw.cz>
2003-06-23 3:58 ` Crusoe's performance " Samphan Raruenrom
2003-06-23 5:22 ` H. Peter Anvin
2003-06-23 5:40 ` Grzegorz Jaskiewicz
2003-06-23 8:10 ` Vojtech Pavlik
2003-06-23 8:26 ` Vojtech Pavlik
2003-06-23 18:58 ` Samphan Raruenrom
2003-06-24 1:43 ` dean gaudet
2003-06-24 4:33 ` dean gaudet
2003-06-24 22:54 ` Samphan Raruenrom
2003-06-24 23:06 ` dean gaudet
2003-06-23 23:46 ` H. Peter Anvin
2003-06-24 0:51 ` H. Peter Anvin
2003-06-26 3:39 ` H. Peter Anvin
2003-06-26 4:22 ` H. Peter Anvin
[not found] ` <200306240051.RAA12097@cesium.transmeta.com>
2003-06-26 19:09 ` Samphan Raruenrom
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