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Question about Athlon64's Cache

C

Chu

Banned
This topic probably belongs in another forum (mods lock/move if you agree) but something tells me I will only get really meaningful answer here. Right now, we know the difference between A64 2800+ (1M cache) and A64 3000+ (512K cache) is almost negligable, except in certain applications that can make sure of that extra 512K. Since cache proformance is very non linear, when we move to Windows64, which I assume will use real 64 bit data types for natives, our cache numbers will behave like 256K/512K with 32 bit data types. I am wondering if at this point the lesser cache of the 3000+ will have reached the point where will start to really hurt the A64's performance.

Also, I am making a lot of assumptions in this post, please tell me which ones are incorrect.

-Chu
 
I thougt of thattoo, but the difference on a Barton and throughoubred core with same FSB and same clock is not that large if I remember correctly. But AMD migth want to widen the gap between FX and A64 so it could be that the differencewill be larger when more data is 64-bit. But I'm just guessing.
 
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