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955 @ 4.1 + 560Ti = cpu bottleneck and low gpu spikes? (BF3)

post #1 of 42
Thread Starter 
Basically what's happening is my cpu is normally at 80-85% in BF3 and my gpu is at 100%, this is great. However, in certain maps and at certain points my cpu jumps up into the 90s and my gpu drops like a rock to 30-40% and my fps reflects this (20-30fps).

This is strange since:
  1. I wouldn't think a 560ti would be bottlenecked by the 955 @ 4.1.
  2. When the cpu does become a bottle neck it drops the gpu usage to almost nothing, I would have thought it would go down to 80-90%..
  3. Temps are fine

Other info:
  • I play at 1080p with mostly medium settings
  • This was an issue in BC2 only after I upgraded from an unlocked x3 @ 3.6 + 4890cf

Anyone have any insight?
Edited by Phoriver - 10/28/11 at 5:00pm
post #2 of 42
You processor is not bottlenecking your 560ti at all, its the drivers that nvidia needs to work on.
post #3 of 42
30-40% GPU use sounds like an issue. Are we talking about BC2 or BF3? CPU bottlenecking in BF3 is expected but not dropping GPU use that low.
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post #4 of 42
You might try increasing the quality settings or imposing AA to see if the same thing still occurs in those situations. But remember too that BFBC2 is a bit more CPU-bound than anything, and in those particular areas perhaps the graphics are under-utilized by the game coding.
    
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post #5 of 42
My 965 powers a 1ghz+ 6970. You should be fine
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post #6 of 42
There is no way your CPU @4.1ghz is bottle necking that 560...
It's probably GPU driver related as someone said.
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post #7 of 42
Thread Starter 
Quote:
Originally Posted by UsedPaperclip View Post
You processor is not bottlenecking your 560ti at all, its the drivers that nvidia needs to work on.
This is possible but it was also happening in BC2 on mature drivers for that game (a month ago).

Quote:
Originally Posted by pewpewlazer View Post
30-40% GPU use sounds like an issue. Are we talking about BC2 or BF3? CPU bottlenecking in BF3 is expected but not dropping GPU use that low.
This is what I've been thinking. The gpu will drop super low for up to 5 seconds making it really hard to play the game. What's weird is that I never had this issue on my old setup where the cpu would've been an even weaker link.

Quote:
Originally Posted by GanjaSMK View Post
You might try increasing the quality settings or imposing AA to see if the same thing still occurs in those situations. But remember too that BFBC2 is a bit more CPU-bound than anything, and in those particular areas perhaps the graphics are under-utilized by the game coding.
Thanks for the suggestion, I will test this out. So if the spikes don't occur with the more gpu intense settings that means the cpu was the bottleneck and if they do occur I have a different problem?

Sorry, Yes BF3
post #8 of 42
Quote:
Originally Posted by Phoriver View Post
Thanks for the suggestion, I will test this out. So if the spikes don't occur with the more gpu intense settings that means the cpu was the bottleneck and if they do occur I have a different problem?

Sorry, Yes BF3
I would assume with BF3 anything at the moment is possible. We have a potential memory leak happening, working but inefficient drivers, and a lack of fixes regarding several issues in-game.

So for BF3 I would assume it's less hardware related than it is most likely game/driver related.
    
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post #9 of 42
Quote:
Originally Posted by GanjaSMK View Post
I would assume with BF3 anything at the moment is possible. We have a potential memory leak happening, working but inefficient drivers, and a lack of fixes regarding several issues in-game.

So for BF3 I would assume it's less hardware related than it is most likely game/driver related.
I'd agree with it being the game or drivers,similar issues are happening in BC2 as well.
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post #10 of 42
your vram probably
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