Page 2 of 24
Re: Mac + eGPU
Posted: Tue Dec 02, 2014 8:26 am
by philliplakis
mmojica wrote:
I also wanted to ask if this type of set up is possible on a newer iMac, the version with the gtx 780m in it? I would love to beef up my iMac if it is. I seem to mainly see MacBook Pro's with this egpu set up.
Im pretty sure you can, they can do the mac mini and macvidcards has done a nMP so don't see why you couldn't do it to an iMac.
Re: Mac + eGPU
Posted: Wed Dec 03, 2014 12:00 am
by Stealthworks
Jose wrote:garytyler wrote:One thing I'm curious about is running another eGPU on my 2nd Thunderbolt 2 port. I don't see why this would not be doable for Octane rendering. If I get the cash saved up, maybe I'll give that a shot.
DO IT. it works perfectly well. My setup is one RM850 PSU, 2 Titan Black, 2 AKiTiO both with Powered Risers using thunderbolt daisy chain. ( I'm switching to 2 Titan Z this week ) Works perfect with my Octane Render C4D Plugin.
Im preparing a tutorial on how to put together all the parts and how to edit the .kext files. I will post pics later.
garytyler:
What PSU are you using?
The Titan z gets really hot when rendering?
If you look at the spec for the AKiTiO PCIe box it says that Graphics cards are NOT supported.
Are you using something else or have you just found that even though they are not supported they do still work?
I'm really interested in this technology as I only have a macbook pro but just want to know, will it actually work despite the manufacturers specification?
Re: Mac + eGPU
Posted: Wed Dec 03, 2014 7:16 am
by Jose
garytyler wrote:
Also, I just upgraded to a Titan Z today. I was curious how much of a speed increase I would see. So far, it looks like an average of about a 30% speed increase compared to the GTX 780. In a normal desktop system I would possibly see more but the 6 GB vram was part of my reason for the upgrade. One thing I'm curious about is running another eGPU on my 2nd Thunderbolt 2 port. I don't see why this would not be doable for Octane rendering. If I get the cash saved up, maybe I'll give that a shot.
Also, I am able to edit 4k REDRAW video in Premiere Pro on my internal GT 750M while simultaneously rendering on Octane High Priority on the Titan Z. I call that success.
How you got the Titan Z working with your MacBook Pro? Mine, every time I open C4D it crash the OSX. I got the EVGA one.
Can you explain your set up.
Thanks!
Jose
Re: Mac + eGPU
Posted: Wed Dec 03, 2014 7:32 am
by Jose
Re: Mac + eGPU
Posted: Wed Dec 03, 2014 4:36 pm
by Jose
Stealthworks wrote:
If you look at the spec for the AKiTiO PCIe box it says that Graphics cards are NOT supported.
Are you using something else or have you just found that even though they are not supported they do still work?
I'm really interested in this technology as I only have a macbook pro but just want to know, will it actually work despite the manufacturers specification?
Yes the specs says that Graphics cards are NOT supported but it works.
Check my setup pics, I got 1 and 2GTX titan black using thunderbolt daisy chain.
Re: Mac + eGPU
Posted: Wed Dec 03, 2014 4:41 pm
by p3taoctane
Jose
Did you have to do any Ktext file alteration ?
Are you running yosemite?
Thanks
Peter
Re: Mac + eGPU
Posted: Thu Dec 04, 2014 3:11 pm
by Jose
p3taoctane wrote:Jose
Did you have to do any Ktext file alteration ?
Are you running yosemite?
Thanks
Peter
Hi Peter,
I create a video with my setup. I hope it helps you.
I use Mavericks (10.9.4) and yes I edit the .kext files
Link:
http://youtu.be/5BJyf6TSW7M
Re: Mac + eGPU
Posted: Thu Dec 04, 2014 3:31 pm
by p3taoctane
Thanks Jose
I'll give it a try with Yosemite.
If it works i will let you know.... otherwise I will go back to Mavericks
Peter
Re: Mac + eGPU
Posted: Thu Dec 04, 2014 4:00 pm
by mustardseedsg
Jose and garytyler: how is the noise levels on your setups?
I'm running x2 GTX780s and the fan noise brings me back to my Powermac Quad G5 days... And let's not even talk about the heat!
Re: Mac + eGPU
Posted: Thu Dec 04, 2014 5:00 pm
by Jose
mustardseedsg wrote:Jose and garytyler: how is the noise levels on your setups?
I'm running x2 GTX780s and the fan noise brings me back to my Powermac Quad G5 days... And let's not even talk about the heat!
Noise is not bad, heat is crazy but you can control it. The good part is that I can render with my MacBook Pro, so I don't care that much about the noise.