After Effects uses all my VRAM?

So, I just upgraded my GTX 460 SE to a GTX 770 4 GB and cut my 81 minutes rendering time on a project at 23 minutes which is awesome, but I have a question where CS5.5 AE is not allowing me to use more than 800 MB of VRAM regardles of how many models I use. A unique model of poly 300 k takes me to 700 MB (element using 3D plugin). Addition of 20 several models ranging from 20 k to 400 k does not change my VRAM usage at all. There's just around 700 MB.

What I need to change some setting to get After Effects to see that I have more VRAM which can store more models? I'm not asking so he could fill in completely all 4GB, but I expected to enjoy at least 2 to 3 GB. My old 1 GB card would fill up to 900 MB that I increased the number of models and would scale down that I removed the templates. Thanks in advance for any help!

System Specs:

I7 - 3930 k OC had to 4.5 GHz

GTX 770 4 GB GPU

16 GB RAM (upgrading to 48GB soon) 1866

SSD for the OS and programs only (no games)

SSD for scratch and media

HARD drive for media audio and low res

Double 23 "1080 monitors (HP 23xi)

Okay, so I've done a few tests more and I discovered that I had to put the quick previews of Adaptive resolution - Open GL Off. Now, my GPU stores up to 2 GB exactly (value I put my memory of texture to). Thus, it seems as if I can put my memory of texture like that I'll also be able to make better use of my GPU. However, After Effects CS5.5 do not increase higher than 2000MB texture memory. Is there a workaround for this or After Effects is simply not able to use more than 2 GB of VRAM?

Edit: Did some more tests. For some reason any 2 GB seems to be the limit for 1080 video, but bumping up to a model of 4 K me has 4 GB very quickly. So it seems that the high quality 3D models, I've been adding did not place as much VRAM as I thought they would. Even better than it is after changing fast Adaptive resolution preview, now I can have 1000 low to medium poly count models and move around the stage in real time, no lag at all. Still not sure why have Open GL causes things to slow down so well. Maybe because 3-d element using its own rendering engine Open GL and the after effects Open GL rendering engine begins to come into conflict? No idea, anyway I am more than satisfied with my findings.

Edit 2: Ran some tests with a model plane k 4 into a model of 1080. It takes about 1.5 GB of VRAM to load, but once I run a RAM preview it takes up to 3.5 GB. It seems that everything depends on the models that you use in your projects. If you are not using crazy high res/specialemement models then you'll be fine with / 3GB, or maybe even 2 GB of VRAM, but as soon as you start using models high-resolution, models particularly high resolution of very large/complicated models such as big planes, cars, people, etc. then more VRAM really makes a difference. I hope this helps someone else down the road!

Tags: After Effects

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