Re: [uml-user] UML on Opteron ?

[Debreczeni P. <da...@tv...>]

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
>>
>