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GPU in Thea

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#1 Anwar



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Posted 05 December 2016 - 02:33 PM

Does Thea Render use an NVIDIA GTX1070/8GB video card?  I never see my GPU running at anything other than idle speed when testing the trial version plug-in.

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#2 Justin Montoya

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Posted 05 December 2016 - 03:14 PM

Hello Anwar-


You may have more responses over at the Thea forums, but I'll try to help here where I can.   - https://thearender.com/forum/


CUDA v8+ is required for Pascal GPUs.  That includes all of the 1000 series, 1080,1070,1060, etc.   Cuda v8 was just officially released mid October, so it is taking a little time to fully integrate.  Make sure you have the latest Nvidia & CUDA drivers for your system before you do anything else.


Next, you can find BETA support for the GTX 1080 in Thea here.  I do not know if it would also support your 1070, but I suspect it would.  - http://www.thearende...p?f=111&t=17552




Finally, Since it appears you are testing the trial version plug-in, you may not be aware that only the Presto rendering engines use the GPU for rendering.  Try one of those and make sure the GPU device(s) are checked on in the display panel.



#3 manolis


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Posted 05 December 2016 - 03:39 PM

Hi Anwar,


As Justin said there is support for the 10xx series, currently offered as a separate download (Windows only).

You can download the separate dll's from this page (at the bottom).

You will need to replace the original dll's.

For the plugin, copy-paste the dll files in the TheaRender folder inside formZ Plugins directory.

If you are using Thea Studio, the folder is at <Studio installation directory>/Plugins/Presto.

Make sure that you are using the latest plugin (or Studio) version (.1447) and that you have updated your GPU drivers.

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#4 R2D2


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Posted 03 February 2017 - 04:34 PM

Is it advisable to try to use thea with two GPUs under OSX sierra ?
If so, what to go for:
Will thea work better with more ram, is all the ram utilized, and does ram add up the same way cores add up?
( i.e. 2 x GTX 960 each 4gig ram vs. a single card with more cuda cores, like a GTX 980ti 6gig ram?)
Has anybody here tried dual gpu using thea and fz ?

#5 Justin Montoya

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Posted 08 February 2017 - 05:35 PM

It should work fine with two GPUs under OSX.  


Currently the fastest rendering dual card option for the cMP (classic Mac Pro - tower), is (2) GTX 970's, as they can be powered by internal power alone without the need for an additional Power Supply.  Our towers have a huge power supply, but because of their age, getting all that power to the GPUs is a problem.  The fastest single card would be a GTX 980ti, but the (2) 970s will render Thea faster.  For more info on the dual GTX 970s in the cMP, see here - https://forums.macru...u-os-x.1840717/


If Nvidia released Pascal (GTX 1xxx series) drivers for OSX, the fastest option would be (2) GTX 1070's as the power requirements are even lower.  But that may very well never happen, and I for one am tired of all these bad choices Apple keeps making that hurts us professional users.  Looks like after 12 years or so, I'm being forced to move back to Windows.  Windows 10 isn't so bad, and I've been playing with it via BootCamp for a while.  Atleast there is a ton more software choices now.  I'll miss the elegance of OSX, but quite frankly, there isn't a Apple product worth buying that isn't atleast 2 years old.  The new product development choices Apple is making really make it seem like Apple died with Steve Jobs.  :(



#6 R2D2


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Posted 10 February 2017 - 04:38 AM

I`ll give it a try:


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