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Subject: Re: Fritz 9& the dual-core CPU

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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