[TriLUG] 32+ GB RAM PC advice

[Kevin Flanagan]

Carlos,


    As Ed says, it's effectively SMP, and if your app takes advantage of
the processors above one on an Intel SMP machine it'll be just about the
same in that regard on an AMD, perhaps a bit better.


Kevin

On Wed, 2004-09-15 at 18:33, Ed Hill wrote:

> On Sun, 2004-09-12 at 20:53, Carlos J. Cela wrote:
> > Kevin,
> > 
> > Do you know if that means that as far as the software application is 
> > concerned the memory "bridging" between processors is transparent? or do 
> > I need to make something inside  the application when writing the 
> > simulation programs?
> 
> 
> Hi Carlos,
> 
> As I said in my previous email, AMD Opteron systems are "effectively
> SMP" because the memory connectivity details are thoroughly hidden by
> the operating system.
> 
> Your user-space code doesn't need to (in fact, *shouldn't*) know
> anything about the underlying hardware.  Just write and run your code as
> you would on any generic SMP system.
> 
> And the same holds for SGI Altix hardware.
> 
> Ed
> 
> -- 
> Edward H. Hill III, PhD
> office:  MIT Dept. of EAPS;  Rm 54-1424;  77 Massachusetts Ave.
>              Cambridge, MA 02139-4307
> emails:  eh3 at mit.edu                ed at eh3.com
> URLs:    http://web.mit.edu/eh3/    http://eh3.com/
> phone:   617-253-0098
> fax:     617-253-4464

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