Re: Question on Opteron performance
От | Stephen Robert Norris |
---|---|
Тема | Re: Question on Opteron performance |
Дата | |
Msg-id | 1078827568.9858.3.camel@chinstrap обсуждение исходный текст |
Ответ на | Re: Question on Opteron performance (Nick Barr <nicky@chuckie.co.uk>) |
Список | pgsql-general |
On Tue, 2004-03-09 at 21:01, Nick Barr wrote: > Stephen Robert Norris wrote: > > >On Tue, 2004-03-09 at 14:50, Joseph Shraibman wrote: > > > > > >>Stephen Robert Norris wrote: > >> > >> > >> > >>>Is this true? Did they really double the size of the memory bus, or is > >>>it a case of 4 CPUs fighting for the same memory bandwidth that 2 had > >>>before? > >>> > >>> > >>> > >>Opertons have built in memory controllers so they scale better than > >>intel chips. See http://www.anandtech.com/IT/showdoc.html?i=1982 > >> > >> > > > >I didn't realise that. Thanks for the pointer. We're going to be buying > >some more servers soon, I should look at Opterons I guess... > > > > Stephen > > > > > And here is a nice pretty picture of the architecture of a 4 way Opteron. > > http://www.amd.com/us-en/assets/content_type/DownloadableAssets/AM190_briefv3.pdf > > I know which architecture I prefer, the one without a central hub. > Whether the Opteron will perform well for PG I have no idea but we also > are planning some 4 way Opteron boxes to beef up our data center. We > will probably do some benchmarking on those bad boys when we get them > and post it to pgsql-performance if anyone is interested. > > Nick I'd be fascinated. -- Stephen Norris srn@fn.com.au Farrow Norris Pty Ltd +61 417 243 239
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