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Re: [uml-user] UML on Opteron ?: msg#00287

Subject: Re: [uml-user] UML on Opteron ?
Hello!

Did u try? Other?
If yes please share your information.

Thx

Dante

Nuno Silva wrote:


John P. Looney wrote:

On Thu, 2003-06-26 at 15:09, Nuno Silva wrote:

AFAIK, opteron boxen run 32bit software unmodified, so you only need a opteron (host) kernel and you can use lots of RAM without highmem/PAE. That should boost performance if you plan to have lots of memory ungry applications.



 If you had UMLs compiled for opteron, they could make use of the new
extended instruction set that gets you 30% (allegedly) speed up.



I think you only need to add -m64 to CFLAGS and recompile UML. But I don't have such a box to try it out...


 Ah, I'll get one, and try it :)


Please do! And report back! :)

Regards,
Nuno Silva


John





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