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Windows Xp with a Fx 8120 ??? - Page 3

post #21 of 25
Quote:
Originally Posted by iinversion View Post

Cool, nice to know. thumb.gif
And, I meant the Bulldozer comment as it being a new architecture and using "modules", to which perhaps XP wouldn't be able to use those fully. Since that is something of which was not around certainly when XP was. I know they had to release a patch for Windows 7 so that the scheduler would fully utlize the modules better, and I never heard of anything being released for XP.. hence my doubts of XP fully utilizing the modules (at least properly).

XP can fully use the Bulldozer cores/modules. This is not the same as saying XP cannot use the modules optimally. XP is not aware that the modules are pairs of cores so it does not know to place related threads on the same module. It also does not assign work in the ideal order to reduce power consumption and maximize turbo clocks.
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post #22 of 25
Some good info here for XP users, bumping
    
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post #23 of 25
Quote:
Originally Posted by DuckieHo View Post

XP can fully use the Bulldozer cores/modules. This is not the same as saying XP cannot use the modules optimally. XP is not aware that the modules are pairs of cores so it does not know to place related threads on the same module. It also does not assign work in the ideal order to reduce power consumption and maximize turbo clocks.

So then if it sees it like this, the FX 8120 would be nothing more than a quad core to windows XP? At least as far as assigning work goes? Is this correct?
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post #24 of 25
No it just randomly assigns threads instead of assigning them in each individual module, then the 2nd of each module after (i believe that's how windows 8 does it, as well as specially patched win7) Fyi unless you specifically patch win7, it's most likely only slightly better for bulldozer then win xp.
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post #25 of 25
Quote:
Originally Posted by iinversion View Post

So then if it sees it like this, the FX 8120 would be nothing more than a quad core to windows XP? At least as far as assigning work goes? Is this correct?
No. Bulldozer present 8 logical cores to the OS so the OS sees 8 cores.
Quote:
Originally Posted by Cannon19932006 View Post

No it just randomly assigns threads instead of assigning them in each individual module, then the 2nd of each module after (i believe that's how windows 8 does it, as well as specially patched win7) Fyi unless you specifically patch win7, it's most likely only slightly better for bulldozer then win xp.
Yup, the improvement is 0-5% depending on workload (medium threaded).
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