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Unread 04-21-2005, 09:20 PM   #30
Butcher
Thermophile
 
Join Date: May 2001
Location: UK
Posts: 1,064
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Quote:
Originally Posted by jman1310
the whole point of having dual cores is that you can multi-task with no performance hit. Joe stated earlier that he frequently games while encoding. On a dual cpu machine this is fine, however, because each has it's own memory. multi-tasking on a dual core will not yield similiar results, because each is using the same pipeline.
SMP boxes do not have their own memory per chip... They use the same memory and the same memory bus. This is why cache coherency and similar issues become such a problem. I don't see why a dual core is any worse than SMP, if anything it's better because it has the potential for a high bandwidth path between the CPUs as in AMD's solution.
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