You don't need the Nvidia web driver to run CUDA. You can run CUDA with the MacOS driver, however you can only run a build of CUDA compatible with your MacOS driver, which may not be the same version that runs with the web driver. The CUDA control panel will alert you as to the most current version available for your driver, regardless. So it's unlikely you can run an incorrect version unless you are switching back and forth between the web driver and MacOS driver.
CUDA only works with Nvidia cards. Open CL and Metal are your only options for AMD.
CUDA is a separate install. Its not installed automatically with the Nvidia driver.
Glad the multiple PRAM reset worked.
Today I just did the multiple PRAM zap as suggested and I just restarted with the nvidia driver sticking according to sys prefs.Last week when I switched from the Radeon 5770 GPU and put the GTX-680 in I noticed in sys prefs the CUDA driver was there and I updated it. At that time I had not downloaded the nvidia webdriver but CUDA driver was there.I don't know if there is any CUDA architecture on the 5770, I thought it was only a nvidia thing but I'm no GPU expert.I'll keep googling to see what I can find but I just thought since I saw my work computer had CUDA already it was a separate thing from the web driver. It sure seems like they would be tied at the hip somehow but I don't really know.
---In Avid-L2@yahoogroups.com, <Greg@...> wrote :While I haven't tested otherwise, it's my understanding that the nVidia web driver is necessary in order to run the Cuda driver.
Correct me if I'm wrong - it would help me if I could run Cuda without the nVidia web driver!
gh
----------------------------------------------------
Greg Huson
Chief
Secret Headquarters, Inc
Production / Post Production
Culver City, CA
323 677 2092
www.SecretHQ.com
t @SecretHQinc
> On Apr 29, 2019, at 4:44 PM, bigfish@... [Avid-L2] <Avid-L2@yahoogroups.com> wrote:
>
> I thought the CUDA driver is separate from the nvidia driver. I see both in sys prefs on 10.12.6. Before I downloaded the nvidia driver I just saw CUDA. I took that to mean that CUDA works even without the nvidia driver. Is Resolve what requires both to access CUDA?
>
>
>
> ---In Avid-L2@yahoogroups.com, <Greg@...> wrote :
>
> > On Apr 29, 2019, at 11:31 AM, mbrockns2@... [Avid-L2] <Avid-L2@yahoogroups.com> wrote:
> >
> > Hi Greg:
> >
> >
> > Can you expand on the driver issues you've been having with High Sierra?
> >
> > Thanks,
> > --Michael Brockington
> >
>
> Sure.
>
> When I load High Sierra and the appropriate vNidia web driver, windows do not redraw correctly - they have 'ghosts' of the old windows and only re-draw partial areas of any open window. Media Composer fails to launch - erroring out on what I assume to be a graphics card problem.
>
> This has happened with two different graphics cards (both a Q 4000 and a GTX1800ti) and also with two different builds of 10.13.6. Shortly, I'm going to try updating a completely different machine and see if I get similar results.
>
> If I run under the OSx provided drivers, the problem goes away and media composer will launch - but I need the nVidia web driver in order to use Cuda with Resolve.
>
> gh
> ----------------------------------------------------
> Greg Huson
> Chief
> Secret Headquarters, Inc
> Production / Post Production
> Culver City, CA
> 323 677 2092
> www.SecretHQ.com
> t @SecretHQinc
>
>
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