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Dedicating a GeForce GTX 580 for PhysX in Arkham Knight issues.

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The 580 is set as dedicated PhysX GPU, the issue is that the game shows PhysX is on CPU not on GPU?

BatmanAK_2016_12_08_00_59_35_401.jpg


You can't see the PhysX visual indicator in the image because it can't be captured, but is says CPU.

Here are my NVCP settings.

Untitled.png




Enabling the extra features adds Vram usage so dedicating a 580 gives me an extra 1.5GB for PhysX features... the smoke one uses around 500MB on it's own.


Tested Borderlands the presequel and got a massive FPS boost.. usually 15-60FPS, now 90 minimum and around 110 average with ultra PhysX...

Is it a driver problem with Arkham Knight specifically?


BorderlandsPreSequel_2016_12_08_01_08_54_642.jpg
 
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if the problem persists only with A particular title/program then the facts tend to point towards either incompatibility or an issue with said software or game. Since not only Batman but also the Nvidia control panel physics monitor are both showing CPU utilization it would seem that it's a Batman issue since it works fine in borderlands and I'm assuming other titles as well although admittedly they are few and far between. You could always run a monitoring program (gpuz) just to see if there's any activity on the 580 just for s**ts and giggles... your other options would be switching out your main gpu with the 580 and seeing if they work in reverse or a driver change possibly. However I don't know if dedicated physics was ever officially supported

The last time I ran dedicated physics was when Arma 2 first came out ... so someone else may be of more help
 

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You'd be better off selling off the two cards and getting something like a 980 than to deal with physX. I've used it and the extra performance wasn't worth the issues in games and extra power draw.
 

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Might be a parameter limitation, unless if there is a patch for it or a command to force on launch...
 

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You'd be better off selling off the two cards and getting something like a 980 than to deal with physX. I've used it and the extra performance wasn't worth the issues in games and extra power draw.
well, now that i've upgraded to a 980, was thinking to add the 680 for physix :D
 

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well, now that i've upgraded to a 980, was thinking to add the 680 for physix :D
Not worth the extra power draw.
 

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well, now that i've upgraded to a 980, was thinking to add the 680 for physix :D

Your 980 can handle it easily...within reason. You're not going to go Ito TW3 or Arkham Knight and turn all game works up to maximum.

@Recon-UK although Arkham Knight has been mostly fixed by 8,000 patches and plays very well, I'm willing to guess that the dedicated Phys-X card might actually expose all the band aids and highlight some of its shortcomings that still exist, and which you don't notice when you are not trying to use all the game works stuff at max.
 

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Not worth the extra power draw.
Your 980 can handle it easily...within reason. You're not going to go Ito TW3 or Arkham Knight and turn all game works up to maximum.

@Recon-UK although Arkham Knight has been mostly fixed by 8,000 patches and plays very well, I'm willing to guess that the dedicated Phys-X card might actually expose all the band aids and highlight some of its shortcomings that still exist, and which you don't notice when you are not trying to use all the game works stuff at max.
Thanks for the advise, will stay just with the new GTX 980 "Blacky" Lolz

Regards,
 
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every time i go back into Nvidia control panel, PhysX keeps going back to "CPU" , i dont know why, ive set it to "auto" and "GTX970", but it keeps resetting to "CPU" every time i close, then re-open Control panel... i guess it doesnt matter too much, just one of those things that bothers me.
 

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every time i go back into Nvidia control panel, PhysX keeps going back to "CPU" , i dont know why, ive set it to "auto" and "GTX970", but it keeps resetting to "CPU" every time i close, then re-open Control panel... i guess it doesnt matter too much, just one of those things that bothers me.
cause of custom bios on your GPU?
 
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