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post #31 of 54
Thread Starter 
Quote:
Originally Posted by Toology View Post
No it does dip there a bit . I just cant believe the performance im getting with my dual lightnings overclocked ON AIR
what core clock u up to?? and also in last mission when the boss tried to attack me , my fps instanly drop like crazy , sometimes even dip to 25
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post #32 of 54
Thread Starter 
hi just confirm another person who play crysiswarhead with gtx580 sli setup , we both have same issue getting weird gpu usage , i think this game just cant optimizate well with sli
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post #33 of 54
Quote:
Originally Posted by teichu View Post
hi i did what u said i press view option change "one graphic all cpu ", and i also check the cpu usage history when i press atl+tab at middle of game , but on the left side cpu usage sometimes appear 0 or low percentage and i can see my physical memory usuage , but cpu usage seems cant rise up?? haha by the way sorry to bother u too much
N/P dude

Can you post a screenshot of the Task Manager CPU usage graph after you alt-tab out, right after playing a while in the problematic section? Make sure the TM was on/open while you were playing, so we can see the history of the usage while you were actually gaming.
    
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post #34 of 54
Thread Starter 
Quote:
Originally Posted by brettjv View Post
N/P dude

Can you post a screenshot of the Task Manager CPU usage graph after you alt-tab out, right after playing a while in the problematic section? Make sure the TM was on/open while you were playing, so we can see the history of the usage while you were actually gaming.
here is my image http://s1193.photobucket.com/albums/...5122011134.jpg
Edited by teichu - 5/11/11 at 9:39pm
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post #35 of 54
Quote:
Originally Posted by Anthraxinsoup View Post
Something is bottlenecking you. The PSU maybe? 580s in SLI eat 850 watts even. The CPU shouldn't be at all.
lol a PSU isnt going to bottleneck. if there wasnt enough power being supplied, the GPU would cease to work, or system would cease to work.
 
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post #36 of 54
PSU bottleneck never heard of that.
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post #37 of 54
Thread Starter 
yea i dont think psu is being bottleneck , cuz i can play other games without any problems
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post #38 of 54
The HX850 has plenty of power for this system with two GTX 580s in SLI.

Besides, Guru3D says that if a PSU had problems coping with load, then these are some of the symptoms:
  • bad 3D performance
  • crashing games
  • spontaneous reset or imminent shutdown of the PC
  • freezing during gameplay
  • PSU overload can cause it to break down
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post #39 of 54
First of all there no such thing as CPU bottleneck on Crysis with a freaking 4GHz quad core. That game doesn't make use of a quad core anyway, it's optimized for dual cores only.

Second of all, it's built on a poorly designed engine which cannot use the GPU ressources properly.

Third, SLI is mostly hit or miss from what i've seen. Some people have so many troubles with these setups I'm not even sure it's worth it anymore.

Fourth, there might be an overclock problem. If your cards are OCed make sure they're stable and watch the temps.

Lastly, try to reinstall the drivers after cleaning the registry of the old version.
post #40 of 54
Thread Starter 
Quote:
Originally Posted by Wulfgar View Post
First of all there no such thing as CPU bottleneck on Crysis with a freaking 4GHz quad core. That game doesn't make use of a quad core anyway, it's optimized for dual cores only.

Second of all, it's built on a poorly designed engine which cannot use the GPU ressources properly.

Third, SLI is mostly hit or miss from what i've seen. Some people have so many troubles with these setups I'm not even sure it's worth it anymore.

Fourth, there might be an overclock problem. If your cards are OCed make sure they're stable and watch the temps.

Lastly, try to reinstall the drivers after cleaning the registry of the old version.
i dont think its my gpu problem , cuz i can play other games with no problems and i did reinstall the drivers
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