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boinc can only use 4 cores of fx-8320 ?

post #1 of 15
Thread Starter 
just got my fx installed today, ran cpu benchmarks in boinc, it's set to use 100% of processors, but is only using half
anyone know what the deal is
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post #2 of 15
Quote:
Originally Posted by ihatelolcats View Post

just got my fx installed today, ran cpu benchmarks in boinc, it's set to use 100% of processors, but is only using half
anyone know what the deal is
So your set like this?

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post #3 of 15
Thread Starter 
yes
i thought it was my cc_config file but it's set to this now (restarted boinc after changing) and still only using 4
Code:
<cc_config>
<options>
<ncpus>8</ncpus>
</options>
</cc_config>

Edited by ihatelolcats - 11/30/12 at 9:14pm
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post #4 of 15
Quote:
Originally Posted by ihatelolcats View Post

yes
i thought it was my cc_config file but it's set to this now (restarted boinc after changing) and still only using 4
Code:
<cc_config>
<options>
<ncpus>8</ncpus>
</options>
</cc_config>

you should not need this. shutdown boinc. Move the cc_config and restart boinc.
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post #5 of 15
I hope you get your FX working because I'm curious to see how it performs.

Maybe post some results in the google doc so we can see how it compares
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post #6 of 15
Thread Starter 
Quote:
Originally Posted by patricksiglin View Post

Quote:
Originally Posted by ihatelolcats View Post

yes
i thought it was my cc_config file but it's set to this now (restarted boinc after changing) and still only using 4
Code:
<cc_config>
<options>
<ncpus>8</ncpus>
</options>
</cc_config>

you should not need this. shutdown boinc. Move the cc_config and restart boinc.

ah...i had two cc_configs...i deleted the wrong one last night. it's running 8 tasks now thumb.gif
thanks a lot

i'll put some results up once i get it stabilized, but for anyone curious i did a quick OC to 4.6GHz and 1.45v
not sure what sensor it is anymore but it's either 41, 43, or 49C at full load running constellation
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post #7 of 15
What CPU projects are you running on your 8320? I would love to compare work-unit times, I have been itching to try a FX boinc cruncher.
post #8 of 15
yeah the 8xxx amd cpus seem to be 4 true cores and 4 virtual cores, similar to intels HT but not as well coded. in most cases it really slows down the cpu in boinc. Tex1954 has the most experience with them, might oughta pm him and he will reply when he gets back.
    
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post #9 of 15
I think it's more about shared resources than virtual cores, they are physically paired together, restricting the flow of more complex work.

IMHO

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post #10 of 15
no idea, i just know that its extremely limited for what boinc needs from it.
    
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