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AE CS6 - Incompatible Preview Mode: Multiprocessing Disabled

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Scott Green
AE CS6 - Incompatible Preview Mode: Multiprocessing Disabled
on Apr 7, 2013 at 10:41:23 pm

Hi,

I've recently upgraded to a 12 core Mac Pro, put a 512GB SSD in it and have 28GB of RAM.
However, when I'm previewing my project I get a message saying "Incompatible Preview Mode: Multiprocessing Disabled"
How can I resolve this?

Here are my multiprocessing setting for reference also:



Thank you in advance.

Creative Multimedia Design Manchester | S©tt Green | Splurj


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Todd Kopriva
Re: AE CS6 - Incompatible Preview Mode: Multiprocessing Disabled
on Apr 7, 2013 at 11:59:19 pm

If you're using a preview mode that uses the GPU, then Render Multiple Frames Simultaneously multiprocessing is temporarily disabled. That feature is made for spreading renders out over several CPUs, so it doesn't make sense for GPU rendering.

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Todd Kopriva, Adobe Systems Incorporated
After Effects quality engineering
After Effects team blog
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Scott Green
Re: AE CS6 - Incompatible Preview Mode: Multiprocessing Disabled
on Apr 8, 2013 at 8:14:15 am

Will my GPU (ATI Radeon HD 5770 with 1GB of GDDR5 memory, PCI Express 2.0) not work with multiprocessing?

If I turn off multiprocessing am I not using OpenGL either?

Creative Multimedia Design Manchester | S©tt Green | Splurj


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Todd Kopriva
Re: AE CS6 - Incompatible Preview Mode: Multiprocessing Disabled
on Apr 8, 2013 at 2:26:17 pm

This has nothing to do with specific GPUs. What I said applies to all graphics cards.

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


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Scott Green
Re: AE CS6 - Incompatible Preview Mode: Multiprocessing Disabled
on Apr 8, 2013 at 3:26:20 pm

Where do I see if I'm using the CPU or the GPU?
To me it looks like I'm using the CPU because when I click Preferences > Previews > GPU Information, next to Ray-tracing CPU is selected with (GPU not available - incompatible device or CUDA driver) next to it.
I can't select 'GPU' from the list either?

This is a confusing subject!

Creative Multimedia Design Manchester | S©tt Green | Splurj


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Todd Kopriva
Re: AE CS6 - Incompatible Preview Mode: Multiprocessing Disabled
on Apr 8, 2013 at 3:56:40 pm

Here are details of how the GPU is used in After Effects:

http://blogs.adobe.com/aftereffects/2012/05/gpu-cuda-opengl-features-in-aft...

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


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steve martin
Re: AE CS6 - Incompatible Preview Mode: Multiprocessing Disabled
on Jun 14, 2013 at 2:56:15 am

Sounds like you need to go to the NVIDIA website and download the CUDA driver


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Scott Green
Re: AE CS6 - Incompatible Preview Mode: Multiprocessing Disabled
on Jun 14, 2013 at 7:02:28 am

My Mac Pro has a ATI Radeon HD 5770 GPU installed in it, I'm guessing that an Nvidia driver won't benefit me whatsoever?

Could you recommend an affordable Nvidia GPU that I should consider upgrading to in the future?

Thanks for your reply.

Creative Multimedia Design Manchester | S©tt Green | Splurj


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Alex Gerulaitis
Re: AE CS6 - Incompatible Preview Mode: Multiprocessing Disabled
on Jun 14, 2013 at 7:29:44 am

[Scott Green] "Could you recommend an affordable Nvidia GPU that I should consider upgrading to in the future?"

GeForce GTX-680 Mac Edition has the best power-to-cost ratio. 2nd choice - Quadro 4000 Mac (on ebay).


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steve martin
Re: AE CS6 - Incompatible Preview Mode: Multiprocessing Disabled
on Jun 14, 2013 at 8:45:16 pm

Here ya go

http://www.adobe.com/products/aftereffects/tech-specs.edu.html


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Scott Green
Re: AE CS6 - Incompatible Preview Mode: Multiprocessing Disabled
on Jun 14, 2013 at 8:50:57 pm

Thanks very much.
That list of products doesn't show the GeForce GTX 680 as being supported by Mac as mentioned by Alex though, is that correct?

Creative Multimedia Design Manchester | S©tt Green | Splurj


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steve martin
Re: AE CS6 - Incompatible Preview Mode: Multiprocessing Disabled
on Jun 14, 2013 at 8:55:03 pm

That list is for Adobe CC

CS6 will differ. There is a way to "trick" After Effects into recognizing other than supported cards.

http://www.vidmuze.com/how-to-enable-gpu-cuda-in-adobe-cs6-for-mac/

Neat trick ;)


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Scott Green
Re: AE CS6 - Incompatible Preview Mode: Multiprocessing Disabled
on Jul 3, 2013 at 2:23:18 pm

Can anyone confirm that the Nvidia Quadro 4000 for Mac will support the 27" LED Cinema Display that I'm using with my MacPro?

The GPU spec says it has a 'DISPLAYPORT' connection but Apple call the connection on the Cinema Display a 'MINI DISPLAYPORT', are they the same thing or not?

If you are 100% sure please let me know. I bought a Thunderbolt Display once because someone told me it had the same connection as my MacPro but it turned out that Thunderbolt and Mini Displayport are different although they look the same and both fit, and I don't want to do the same thing again.

Thank you :)

http://www.nvidia.com/object/product-quadro-4000-mac-us.html

Creative Multimedia Design Manchester | S©tt Green | Splurj


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Alex Gerulaitis
Re: AE CS6 - Incompatible Preview Mode: Multiprocessing Disabled
on Jul 3, 2013 at 4:30:56 pm

[Scott Green] "Can anyone confirm that the Nvidia Quadro 4000 for Mac will support the 27" LED Cinema Display that I'm using with my MacPro?"

It does with an adapter, a "DisplayPort to mini-DisplayPort cable" that is included with the PNY version (which I think is the only version out there).

See also this related discussion.

Alex Gerulaitis
Systems Engineer
DV411 - Los Angeles, CA


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