Author: Robert Hyatt
Date: 12:10:53 01/13/06
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On January 13, 2006 at 12:38:35, Zappa wrote: >On January 13, 2006 at 04:20:44, Pro Deo wrote: > >>Hello Gian Carlo ! >> >>Sorry-but a dual-core CPU don't means a dual CPU. >>Intel's technology(named Dothan)-for example-they place 2 cores together in one >>Central Processing Unit(CPU).The important thing to remember is that these two >>cores will use the same Level1 and Level 2 cache.The(small) advantage when using >>this architecture is these is no cache coherency.This means when one is running >>an instruction (calculation) the other core will always be able to acces the >>most recent variable. >>All the best ! >>PD(Silvian/Romania) > >Are you _sure_ they have a shared L1 cache? I mean, that just doesn't seem very >likely. > >anthony Agreed. L2 for Intel probably. But L1 would cause a huge bottleneck since they keep micro-ops in there along with data.
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