Re: FC5T2 and Development issues, observations, and questions

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Am Dienstag, den 17.01.2006, 13:41 -0500 schrieb Dave Jones:
> On Tue, Jan 17, 2006 at 10:29:29AM -0800, Nathan Grennan wrote:
> 
>  >  I disagree, I suspect there are still a lot more non-dual/ht systems 
>  > out there. I just upgraded to dual core A64. They come at quite a 
>  > premium. It also isn't like a ton of S754 systems and S939 single core 
>  > systems haven't been sold. I will give you that there are a fair number 
>  > of HT systems out there, but again they are only on the higher end 
>  > versions of the processor. In addition may people disable HT worse 
>  > performance under certain workloads.
> The spinlock operations are almost free on AMD on UP.  They did some real
> magic in their cores to make locked operations really fast compared to Netburst.
> Intel however haven't shipped *any* UP x86-64's. Even the first ones
> they shipped were HT capable.

Sorry, but I have to disagree: Most newer Celerons have x86-64 these
days, too (since June or July iirc). And those are UP/have no HT... See
http://www.intel.com/products/processor/celeron_D/index.htm

Disclaimer: I think shipping only one kernel that is build for SMP is
fine for x86-64.

CU
thl
-- 
Thorsten Leemhuis <fedora@xxxxxxxxxxxxx>

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