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Technology Stocks : Advanced Micro Devices - Moderated (AMD)
AMD 200.21-6.9%1:20 PM EST

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To: combjelly who wrote (192002)4/4/2006 4:21:05 PM
From: Joe NYCRead Replies (1) of 275872
 
cj,

An easy way to attach a L3 cache is via the crossbar. That way, the design effort is relatively low and is completely modular. I don't see that there would be any performance advantage to integrating it in any more tightly.

Yup, no need for any logic to be incorporated in individual cores.

As far as accessing L3, is the (main) memory request done only when L3 lookup is a miss, or would memory access start regardless, in parallel to L3 lookup?

Joe
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