Interesting. Here is an example of a checkerboard and simple zDefocus. See how the performance of the GPU Enabled one is worse? Perhaps something is screwed up with my card that I don't know about.
[image: Inline image 1] On Sun, Dec 4, 2016 at 2:39 PM, Marten Blumen <[email protected]> wrote: > On MacOS & Cuda 8, it's 5x faster on the GPU. > > On 5 December 2016 at 11:37, Nick Guth <[email protected]> wrote: > >> Just tested with GPU-Z and it's reporting only 998 MB of memory usage >> with my test script. I saw a peak of 1800MB when playing back the script in >> the viewer. Definitely not hitting the 6144 MB cap on the card. >> >> This is so bizarre! >> >> On Sun, Dec 4, 2016 at 2:26 PM, Nick Guth <[email protected]> wrote: >> >>> I don't believe it is running out of memory. It's something I noticed >>> when I updated to CUDA 8. Maybe nuke isn't fully supporting to the newest >>> nvidia drivers? >>> >>> On Sun, Dec 4, 2016 at 11:46 AM, Marten Blumen <[email protected]> wrote: >>> >>>> Unless the GPU is running out of memory, it's usually very fast. >>>> >>>> On 5 December 2016 at 01:04, Nick Guth <[email protected]> wrote: >>>> >>>>> Nuke seems to process frames slower when 'Use GPU if available' is >>>>> checked. I think it's just ignoring the GPU altogether. >>>>> >>>>> Windows 10 (Anniversary) >>>>> 980Ti (376.09 Drivers) >>>>> Nuke 10.0v3 >>>>> m.2 Storage >>>>> i7 - 6950x (20 threads in nuke) >>>>> >>>>> Any ideas? The viewer refreshes painfully slow with it enabled. I ran >>>>> a small test with GPU on/off with Kronos and using GPU produced a longer >>>>> total render time by 21 seconds (3:52 vs 4:13). >>>>> >>>>> Cheers. >>>>> >>>>> _______________________________________________ >>>>> Nuke-users mailing list >>>>> [email protected], http://forums.thefoundry.co.uk/ >>>>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >>>>> >>>> >>>> >>>> _______________________________________________ >>>> Nuke-users mailing list >>>> [email protected], http://forums.thefoundry.co.uk/ >>>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >>>> >>> >>> >>> >>> -- >>> Nick Guth >>> motion . composite . design >>> www.nickguth.com >>> >> >> >> >> -- >> Nick Guth >> motion . composite . design >> www.nickguth.com >> >> _______________________________________________ >> Nuke-users mailing list >> [email protected], http://forums.thefoundry.co.uk/ >> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >> > > > _______________________________________________ > Nuke-users mailing list > [email protected], http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users > -- Nick Guth motion . composite . design www.nickguth.com
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