[gentoo-amd64] Re: amd64 and kernel configuration

["Dulmandakh Sukhbaatar" <dulmandakh@netsoft.mn>]

Thanks. How can I enable hypertransport in kernel or somewhere? Anyone knows 
about NUMA? I read about it, and it seems technology for multiprocessor 
systems. Thus I have single CPU, I don't need it. Right? 

> 
> On 27/07/2005, at 4:10 PM, Duncan wrote:
>> 
>> SMP is short for Symmetrical Multi-Processing.  Traditionally, it meant
>> you had two CPUs.  However, hyperthreading is treated by the kernel as 
>> two
>> CPUs, which is why SMP must be enabled to get the hyperthreading option.
>> Note that the newest thing to come to x86/x86_64 is dual-core CPUs.  
>> These
>> CPUs actually have two logical CPUs in one package.  This is better than
>> hyperthreading because it's the real thing.
> 
> Actually, dual-core means they have two physical cores in one package. Two 
> logical cores = hyperthreading. ;P 
> 
> On that note, you want the AMD dual cores as well, because they are much 
> better designed (they have the crossbar architecture all ready to drop in 
> additional cores, whereas the current Intel dual-core are really ugly 
> hacks and perform terribly compared to the AMD ones) 
> 
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> gentoo-amd64@gentoo.org mailing list 
> 
 

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