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Is AMD going to x86 instead of staying x64? Why?

post #1 of 74
Thread Starter 
Bulldozer will be x86 processing, which in turn makes me ask the question..

Why?

Did they find good reason to go back to x86?

If so, are there benefits in sticking with x86 processing?
Edited by _GTech - 2/15/11 at 10:55pm
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post #2 of 74
lol...

All chips are x86 bro.

They just added an extension, x86-64.


It's been that way for years.
    
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post #3 of 74
Umm... what? All of AMD's recent and future chips are 64-bit. :S
    
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post #4 of 74
x86-64


As opposed to x86, or IA64, or whatever.
post #5 of 74
Quote:
Originally Posted by LOL_Wut_Axel View Post
Umm... what? All of AMD's recent and future chips are 64-bit. :S
Since about 2004 AMD Athlon has touted the x64 thang, and the opty a year before.
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post #6 of 74
Thread Starter 
This had me worried when I saw info on Wiki...

Thanks for this good info guys.. +Rep to all of you who helped..

The only dumb question is the ones you don't ask...
Edited by _GTech - 2/15/11 at 10:45pm
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post #7 of 74
idk i read on wikipedia that apparently that its actually not using 64bit for some reason, instead it is using 54bit as the size of the cache on cpus are not large enough to be equivalent to handle 64bit registers as effectively because of the space they use. In other words less cache thrashing which causes performance hits when the cpu is doing its thing.
 
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post #8 of 74
It's better to ask a question and look like a fool for a moment than to not ask the question and continue being ignorant of the answer.
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post #9 of 74
lol wikipedia
post #10 of 74
Quote:
Originally Posted by terraprime View Post
idk i read on wikipedia that apparently that its actually not using 64bit for some reason, instead it is using 54bit as the size of the cache on cpus are not large enough to be equivalent to handle 64bit registers as effectively because of the space they use. In other words less cache thrashing which causes performance hits when the cpu is doing its thing.
Another example of wikifail, I don't trust anything I read there unless there is a citation from a reputable source. It can be good to do a little quick learning about something but that's about it.
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