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GTx 1080 slaggy..

PostPosted: Fri Jul 01, 2016 10:51 am
by luigivaltulini
I have installed 2 new gtx 1080 in my system, all work good, but when i activate scope the gui is very very laggy . Ror test i have reinstalled r390x and all work fine.
Is driver Nvidia or a problem bug in Davinci Resolve?
have a idea?

thanks

Re: GTx 1080 slaggy..

PostPosted: Fri Jul 01, 2016 11:59 am
by Neil Brassington
Sorry if I'm being a bit silly, but do you mean laggy?

Re: GTx 1080 slaggy..

PostPosted: Fri Jul 01, 2016 12:35 pm
by luigivaltulini
yep Laggy ;)

Re: GTx 1080 slaggy..

PostPosted: Fri Jul 01, 2016 12:59 pm
by luigivaltulini
ok i found the problem.. my error in menu video monitor i have sdi 4:4:4 enable, disable this good work ;)

Re: GTx 1080 slaggy..

PostPosted: Fri Jul 01, 2016 2:31 pm
by waltervolpatto
how the 1080 works?!

Re: GTx 1080 slaggy..

PostPosted: Fri Jul 01, 2016 3:40 pm
by Aaron_Hayden
You should run the standard candle test on those bad boys.

http://www.carousel.hu/standardcandle/

Re: GTx 1080 slaggy..

PostPosted: Fri Jul 01, 2016 4:57 pm
by José Santos
Aaron_Hayden wrote:You should run the standard candle test on those bad boys.

http://www.carousel.hu/standardcandle/


Yes please!


Sent from my iPhone using Tapatalk

Re: GTx 1080 slaggy..

PostPosted: Fri Jul 01, 2016 8:07 pm
by luigivaltulini
1080 and 4k uhd work with 4:4:4 but when select scope the gui is laggy but output from deklink to monitor go in realtime without drop.


Standard candle with 2 gtx 1080.

43 node blur 24 realtime
44 node blur 23 fps
66 node blur 17 fps.

Re: GTx 1080 slaggy..

PostPosted: Fri Jul 01, 2016 8:27 pm
by Andrew Kolakowski
Is this 4x faster than best Mac Pro?

It looks like it blows titan by 1.5x (based on some reported results from the web).

Re: GTx 1080 slaggy..

PostPosted: Fri Jul 01, 2016 9:15 pm
by Aaron_Hayden
Next question, is 8GB of ram enough or will you encounter "Out of GPU memory" errors?

In a 4k timeline use max Temporal Noise Reduction settings (5 frames, Better, Large) and output a 4k video signal. What is your resulting FPS and more importantly do you have any "Out of GPU memory" errors?

I'm trying to identify if there's any benefit waiting for the 1080ti 12gb or Pascal Titan X 24gb.

Is 8GB enough to work in all resolutions up to 5k...8k? Is there a benefit to having more ram?

Re: GTx 1080 slaggy..

PostPosted: Fri Jul 01, 2016 9:47 pm
by luigivaltulini
yep i work every time with 6k red Weapon file , with neat video 4 or tnr , not problem.
With 6kuhd Full debayer , R3d 5:1, in timeline 4k uhd, Tnr better large 5 frame average 90% i go to 9 fps.
Withou any problem.

Re: GTx 1080 slaggy..

PostPosted: Sat Jul 02, 2016 9:42 am
by Lucius Snow
luigivaltulini wrote:66 node blur 17 fps.

I get 13 fps with dual GTX Titan X.

Re: GTx 1080 slaggy..

PostPosted: Sat Jul 02, 2016 8:40 pm
by Blake LaFarm
Aaron_Hayden wrote:I'm trying to identify if there's any benefit waiting for the 1080ti 12gb or Pascal Titan X 24gb.


I'm in the same boat, so this is a really interesting question. Between the 1080, and forthcoming 1080ti and Pascal Titan, it would be nice to know the where the Law of Diminishing Returns kicks-in.

Re: GTx 1080 slaggy..

PostPosted: Sat Jul 02, 2016 11:52 pm
by John Burton
Lucius Snow wrote:
luigivaltulini wrote:66 node blur 17 fps.

I get 13 fps with dual GTX Titan X.


12.5 with 2 x 980ti

Re: GTx 1080 slaggy..

PostPosted: Sun Jul 03, 2016 2:02 am
by Aaron_Hayden
Blake LaFarm wrote:
Aaron_Hayden wrote:I'm trying to identify if there's any benefit waiting for the 1080ti 12gb or Pascal Titan X 24gb.


I'm in the same boat, so this is a really interesting question. Between the 1080, and forthcoming 1080ti and Pascal Titan, it would be nice to know the where the Law of Diminishing Returns kicks-in.


An 8k timeline with TNR might require more than 8 GB of Vram on the GPUs.

If 8gb Vram is sufficient for UHD 4k is the 1080ti and Pascal Titan worth the extra $$$?

I'd rather have four 1080's instead of two Pascal Titan's if that's the case.

Re: GTx 1080 slaggy..

PostPosted: Sun Jul 03, 2016 10:07 am
by Andrew Kolakowski
John Burton wrote:
Lucius Snow wrote:
luigivaltulini wrote:66 node blur 17 fps.

I get 13 fps with dual GTX Titan X.


12.5 with 2 x 980ti


What if you turn 1 GPU off?
How well does Resolve scale with number of GPUs?

Re: GTx 1080 slaggy..

PostPosted: Sun Jul 03, 2016 4:09 pm
by Blake LaFarm
Aaron_Hayden wrote:If 8gb Vram is sufficient for UHD 4k is the 1080ti and Pascal Titan worth the extra $$$?
I'd rather have four 1080's instead of two Pascal Titan's if that's the case.
As a metric that is completely distinct from the amount of VRAM, the bus speed of the HBM2 memory purported to be used in the Pascal Titan might represent a significant value proposition in terms of Resove.

Re: GTx 1080 slaggy..

PostPosted: Tue Aug 16, 2016 1:45 am
by Blake LaFarm
As a follow-up to my previous post in this thread, see this for dual TITAN X Pascal benchmarks:

viewtopic.php?f=21&t=50957