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post #11 of 20
My question to you is that how do you have 1 unique rep but your rep shows 0. o_O
    
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post #12 of 20
Quote:
Originally Posted by 5outh View Post
Something's wrong with those numbers... You should be getting 100% GPU usage, unless you're constantly encoding videos or rendering stuff in the background while you're gaming. Your GPU usage should never sit that low with a 2500k unless you're folding or something.
He's not alone, let me tell you that.
Pretty much 75% of CFX/SLI users experience low GPU usage and max CPU usage in BF3.
post #13 of 20
There is some sort of crossfire problem with BF3, which i and countless others are experiencing. Have tried and tried, with different driver versions etc but get the same result.
I don't have this problem with bad company 2, dirt3, crysis 2 etc. Just bf3.
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post #14 of 20
Quote:
Originally Posted by Garvani View Post
Im not sure if im reading this right, are you asking WHY it is so high, or why ISNT it higher?
my 2500k users about 95% cpu.. wish my gpu's would, that sits around 60% most of the time which means crap FPS
Why is your gpu usage so low?
post #15 of 20
Quote:
Originally Posted by Don Karnage View Post
Why is your gpu usage so low?
As said above.. but a more detailed version Crossfire issues with BF3
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post #16 of 20
Thread Starter 
here is my usage with ht off its higher


and when ever much stuff happens i get lag spikes even when my fps is good

but if i run in windows mode i dont get any lag spikes
Edited by Relaxy - 11/2/11 at 7:41pm
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post #17 of 20
Thread Starter 
bump
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post #18 of 20
I think its like this.

When you use 1 gpu @ 100usage, your CPU usage stays low because its "bottlenecked" ingame because of your GPU.

Now when you have 2 GPU's:
- First you need more CPU Power to power the 2 GPU's
- Second because you run higher frames ingame, some ingame effects need more cpu power to be pushed up to that framerate.
= Resulting in overal higher CPU Usage, but also Higher Frame rates then with 1 card.

I think your CPU Usage will be as high as long as you have GPU Power to push high frames ingame.

So the faster your GPU's are, and you have enough CPU Power, your CPU usage will be as high as your GPU's push framerates ingame

Sry for the use of bottleneck wrong but needed it to make the point
And sry if its totally wrong, purely ''thoughts'' by me.
Edited by prescotter - 11/3/11 at 5:22am
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post #19 of 20
I get around 95% CPU usage with HT off, and 85-90% with HT on

Crossfire + 2600k @ 4.5ghz
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post #20 of 20
Thread Starter 
the lag spikes than? i ran lost planet 2 bench and i get 1 lag spike in the first run and when i did it again i had no lag spike then i ran 2 tests and i got lag spike in 1 of them but than i ran resident evil no lag spike than i ran unique bench and no lag spike ran call of pripyat bench no lag spike ran alien versus predator no lag spikes tom hawk no lag spikes all tests ran on highest settings
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