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Crossfire "OUT OF MEMORY" error

post #1 of 10
Thread Starter 
Does Crossfire increase VRAM usage? Reported memory usage in Afterburner/GPU-Z largely increased when using Crossfire. I've had this problem span across many versions of drivers and pretty much any game or application. (BF4 / BF3 / 3dMark11 / Unigine Valley)

Currently 13.11 b8 >> 1440p 120hz

ex: BF4
Ultra + No MSAA with 1 GPU = 1.9GB vram
Same settings with 2 GPUs = game crashes with a directx error that I'm out of memory

The left circle is Crossfire enabled, game crashes shortly after loading, right circle is 1 GPU showing over a full 1GB LESS of vram usage


Errors when game crashes



Edited by nugget toes - 11/10/13 at 11:28am
post #2 of 10
Quote:
Originally Posted by nugget toes View Post

Does Crossfire increase VRAM usage?

NO

Crossfire does not increase usable Vram. Neither does SLI.

Are you using a beta driver?
Edited by DaFirnz - 11/9/13 at 3:28pm
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post #3 of 10
Thread Starter 
My question is USAGE not USABLE.
post #4 of 10
Each card has the same textures stored in the vram.
Usage should be exactly the same.


Iv gotten that directX error lots of time. Had to de-clock my Ram from 1500mhz to the reference 1375mhz but still get a directX error every now and again for device receiving a incorrect formatted command from driver.
post #5 of 10
Thread Starter 
Quote:
Originally Posted by bmgjet View Post

Had to de-clock my Ram from 1500mhz to the reference 1375mhz but still get a directX error every now and again for device receiving a incorrect formatted command from driver.

The increased memory happens when running stock clocks as well.

Side note: I am using AMD pixel clock patcher in combination with CRU per ToastyX overclocking guide for 1440p 120hz. Tested reduced bandwidth by setting to 60hz but still crossfire has the large bump in memory usage which causes the game to crash almost immediately.

Also, page file was set to 1024MB. Increased to 4096MB but problem persists.
Edited by nugget toes - 11/10/13 at 11:08am
post #6 of 10
I have been running into this issue as well. When I was playing Crysis 3 I turned the AA settings to max and my vram usage said 4gigs...My 7950s are only 3gig cards. I also have 8gbs of ram and my computer keeps running into being low on memory. But still has like 3-5 gigs left. So it might be warning me on being low on vram instead of normal ram.
post #7 of 10
^^ AB combines the 2 cards...

This is my recent session..




Do you have PF turned off?

I've seen as much as 5gb in AB and never get an error.
Edited by grunion - 11/10/13 at 5:05pm
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post #8 of 10
Put your page file on auto size. thumb.gif
post #9 of 10
Thread Starter 
Quote:
Originally Posted by LtMatt View Post

Put your page file on auto size. thumb.gif

This worked! +rep biggrin.gif
post #10 of 10
Quote:
Originally Posted by nugget toes View Post

This worked! +rep biggrin.gif

wink.gif

Not sure how much system memory you have but i found the same problem when i had 8gb. I had to have it on auto or eventually that problem would occur. I've now upgraded to 16gb of ram and i can now have my page file at 1gb custom size with no problems. BF4 loves ram and it uses loads of page file when you only have 8gb. I noticed it using a 10gb page file when i last looked. Get another 8gb would be my advice, if you dont already.
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