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Ray-traced 3D incredibly slow - any way to speed up the process?

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Tobias Schakat
Ray-traced 3D incredibly slow - any way to speed up the process?
on Jan 11, 2014 at 6:55:34 pm

I am currently messing around with 3D in After Effects and came across Ray-traced 3D, however it is not working out as I was thinking it would. Extruding a shape/text takes ages to complete and as soon as I apply a light to my object I am not able to work anymore since I need to wait almost a minute for the changes regarding position etc to update. So I am wondering if there is any common solution which would help me out?

These are my system specs:

CPU: AMD FX-4100 4X 3,6GHz
GPU: PowerColor Radeon 7950 PCS+ 3GB GDDR5
OS: Windows 7 Home Premium 64-Bit
Using After Effects CC


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Dave LaRonde
Re: Ray-traced 3D incredibly slow - any way to speed up the process?
on Jan 11, 2014 at 8:20:14 pm

You don't say how much RAM you have. AE likes RAM, and lots of it.

But for ray-tracing, you also need the proper graphics card. You need to go to the Adobe web site to see if your card is on the list. If it isn't, you need one of the approved cards. If it is, you need to consult AE Help to learn how to enable GPU-accelerated ray trace rendering.

And even then, it still won't be very fast.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Tobias Schakat
Re: Ray-traced 3D incredibly slow - any way to speed up the process?
on Jan 12, 2014 at 12:13:15 pm

I got 8GB RAM on my machine. It just seems that my gpu is not supported and so I am not really able to use this rendering technology. Anyway I am currently testing various plugins and BCC8 3D Effects just do the job fine as well. Thanks for your help.


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Roland R. Kahlenberg
Re: Ray-traced 3D incredibly slow - any way to speed up the process?
on Jan 12, 2014 at 4:48:05 pm

Element 3D and Zaxwerks are other alternatives that you will want to look into.

HTH
RoRK

Intensive mocha & AE Training in Singapore and Other Dangerous Locations

Imagineer Systems (mocha) Certified Instructor
& Adobe After Effects CS6 ACE/ACI


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Todd Kopriva
Re: Ray-traced 3D incredibly slow - any way to speed up the process?
on Jan 11, 2014 at 11:09:10 pm

Your GPU is not one that can accelerate the ray-traced 3D renderer.

This means that it will just use the CPU, which will be very slow.

See this page for details of GPU usage:
http://blogs.adobe.com/aftereffects/2012/05/gpu-cuda-opengl-features-in-aft...

---------------------------------------------------------------------------------------------------------
Todd Kopriva, Adobe Systems Incorporated
After Effects quality engineering
After Effects team blog
---------------------------------------------------------------------------------------------------------


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Roland R. Kahlenberg
Re: Ray-traced 3D incredibly slow - any way to speed up the process?
on Jan 12, 2014 at 5:00:42 am

Here are links to info on AE's Ray-tracing engine - http://provideocoalition.com/ryoung/story/the-ray-traced-3d-renderer-in-aft...

HTH
RoRK

Intensive mocha & AE Training in Singapore and Other Dangerous Locations

Imagineer Systems (mocha) Certified Instructor
& Adobe After Effects CS6 ACE/ACI


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chris brett
Re: Ray-traced 3D incredibly slow - any way to speed up the process?
on Jan 12, 2014 at 5:11:41 pm

Hi ------ suggest a 580 for a lowish cost gfx card and also use multiple graphics cards for ray tracing if at all possible.

We have done a lot of work on this and having multiple cards makes quite a difference.


----------------------------------- chris --


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Tobias Schakat
Re: ay-traced 3D incredibly slow - any way to speed up the process?
on Jan 31, 2014 at 2:30:38 pm

Since my radeon 7950 had some issues and was sent back to the manufacturer I am now able to get a new gpu and I am thinking of the gigabyte gtx 760 since its actually on the same level as a 7950. Could this be an appropiate gpu along with my cpu (fx 4100 3,6ghz) for the ray traced 3d render and will 2GB of VRAM be enough for fast speeds?

Regards,


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Dave LaRonde
Re: ay-traced 3D incredibly slow - any way to speed up the process?
on Jan 31, 2014 at 8:01:33 pm

We shoulsd have told you this at the beginning, but we didn't.
We're sorry.

For Ray-tracing, only a certain type of card will efven work. You will find a list on the Adobe web site. I don't think your current -- or future -- card is on that list.

No approved card? No ray-tracing.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Tobias Schakat
Re: ay-traced 3D incredibly slow - any way to speed up the process?
on Jan 31, 2014 at 8:21:12 pm

Well I just did some research and came across this blog from adobe which mentiones that the GTX 760 seems to be one of those cards who are approved for this specific render: http://blogs.adobe.com/aftereffects/2013/09/gpu-changes-for-cuda-and-opengl...

I am just wondering if I would need to buy any specific type of gtx 760 in order to use ray tracing properly (gigabyte, msi, gainward etc.). Does anybody know?


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