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Anyone seeing over 3000mb VRAM in BF3 @5760x1080?

post #1 of 33
Thread Starter 
I just noticed over the weekedn after they did some sort of update. I only know this because I had to update my server, that Vram went from a norm of 2700mb to over 3200mb at times. Anyone else seeing this sort of usage? My FPS has not improved, it still sits between 45-70 with all Ultra settings no MSAA. Not even Crysis used this much Vram in eyefinity. Not to mention the demands this game places on paging file. BF3 is turning out to be a major system resources hog. I have not had any crashes since day one which is nice. I thought it may be because I am running a rcon layer whiel the game is running but it makes no difference since it is CPU intensive only but only minimally.
post #2 of 33
The highest I've seen @ 5960x1200 (bezel corrected) has been 2714MB. I'll keep an eye on it. My fps have been roughly the same as yours- 50-70fps, with the occasional drop to the high 40's. Crysis 2 actually used 2712MB at it's highest usage. I've got it logged here.

Question for you: How are you able to even see that much vram usage? Aren't the 6970's 2GB cards?
Edited by _CH_Skyline_ - 10/31/11 at 10:29am
 
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post #3 of 33
Thread Starter 
Ya but with 2 of them I guess it is accessing both cards asmuch as possible. I didnt think it was possible to see this much Vram but I guess it is.
Quote:
Originally Posted by _CH_Skyline_;15520214 
The highest I've seen @ 5960x1200 (bezel corrected) has been 2714MB. I'll keep an eye on it. My fps have been roughly the same as yours- 50-70fps, with the occasional drop to the high 40's. Crysis 2 actually used 2712MB at it's highest usage. I've got it logged here.

Question for you: How are you able to even see that much vram usage? Aren't the 6970's 2GB cards?
post #4 of 33
You should only be seeing 2GB max usage, unless Eyefinity literally adds each card's vram together, but I didn't think that was the case.
 
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post #5 of 33
In Crossfire/SLI configuration, both GPU-Z and Afterburner will show the total memory usage of both cards. Same goes for 3 to 4 cards.

In your case 3000MB/2 = 1500 MB per GPU.
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post #6 of 33
Quote:
Originally Posted by Ken1649;15521206 
In Crossfire/SLI configuration, both GPU-Z and Afterburner will show the total memory usage of both cards. Same goes for 3 to 4 cards.

In your case 3000MB/2 = 1500 MB per GPU.

Ken are you sure about this? cause mine was reading 3400 usage, yet i have 6gb of vram. So if they were reading all cards, then it would be higher than 3400 i would have thought.
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post #7 of 33
Quote:
Originally Posted by whippy;15521345 
Ken are you sure about this? cause mine was reading 3400 usage, yet i have 6gb of vram. So if they were reading all cards, then it would be higher than 3400 i would have thought.

Crossfire and SLI mirror memory across all involved cards. So you only ever effectively have the memory available of one card. Software may report the sizes of the cards' memory added together, but, in effect, you're only working with one's.
    
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post #8 of 33
Quote:
Originally Posted by whippy;15521345 
Ken are you sure about this? cause mine was reading 3400 usage, yet i have 6gb of vram. So if they were reading all cards, then it would be higher than 3400 i would have thought.

Definitely sure as I posted in your thread few days ago. If your reading is 3400 = 3400/3 GPU = 1133/GPU.
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post #9 of 33
Octogon, thanks, but i know this, that wasnt my point

Ken, any idea why only 1100ish vram would be used> that seems particularly odd, and rather annoying if true seeing as my system also tells me i have 4+gb of ram free, yet i cant even start the game without 4gb of page file
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post #10 of 33
looks like you need a 4GB 6990
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