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Slow playback with GTX 980 GPU/GUI

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Andrew Migliori
Slow playback with GTX 980 GPU/GUI
on Mar 26, 2015 at 9:23:02 pm

I just finished a whole project in Davinci Resolve 11 Lite from edit to delivery using the ATI 5770 1 GB (4K RED in 1080 timeline), with decent enough playback to work comfortably. I apologize that I don't have a proper readout of fps during that time but I can say I was working at 1/8 quality in about realtime. I thought, naturally, upgrading to the highly recommended GTX 980 with 4 times as much memory would help speed things up, but I can't get it above 8fps during playback and that is even at 1/16th quality. I should also mention that no matter what decode/playback quality I choose, it seems to play at the same speed.

I am using it as a shared GPU/GUI as I unfortunately can't add another GPU right now, but I didn't think it would be worse than the 5770 which was doing the same exact work. Is there a config step I'm missing?

It's also worth noting that I upgraded to OS X 10.10.2 from 10.9.5 in order to use the GTX 980.

Please let me know if there is any information I can provide to help make sense of this!

--
Andrew Migliori
Partner, AnderImage
anderimage.com

--
Mac Pro 2012 5,1
3.33 GHz 6-Core Intel Xeon
32 GB 1333 MHz DDR2 ECC
GeForce GTX 980 4 GB
OS 10.10.2


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Paul Provost
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 4:49:49 am

There's a specific driver for the 980 generation of cards. Make sure you're using it

http://www.filmandtvcolor.com | colorist | Los Angeles, CA

Twitter: @4kfinish


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Andrew Migliori
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 5:04:14 am

Thank you Paul!

I just confirmed that I do have the latest drivers from Nvidia and for CUDA, but that didn't seem to change the performance. Strangely, Premiere CS6 recognizes the card and can take advantage of CUDA acceleration, but Resolve still seems to be at a near-standstill.

I've seen a lot of posts that use the Unigine Valley Benchmark tests—would that help to prove that my card is working as it should?

--
Andrew Migliori
Partner, AnderImage
anderimage.com

--
Mac Pro 2012 5,1
3.33 GHz 6-Core Intel Xeon
32 GB 1333 MHz DDR2 ECC
GeForce GTX 980 4 GB
OS 10.10.2


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Paul Provost
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 6:26:19 am
Last Edited By Paul Provost on Mar 27, 2015 at 6:27:07 am

Well six core isn't great but I think you should still be getting realtime in half good. Red 4k in a 1080 timeline. Just want to reiterate though. It's not just the latest driver. Its a specific one for the 980 in yosemite. All the previous gen nNvidia cards use a different "latest driver"

http://www.filmandtvcolor.com | colorist | Los Angeles, CA

Twitter: @4kfinish


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Andrew Migliori
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 3:40:09 pm

Thanks for your input on the CPU—I plan on upgrading it down the line.

As for the 980 driver, what I have is the "QUADRO & GEFORCE MAC OS X DRIVER RELEASE 343.02.02f04" which is the latest Nvidia driver for Mac GeForce cards. Naturally, the GTX 980 is not in the supported products list since it is not available for Mac. Do you have any suggestions on getting a driver for Mac that includes the 980? It was my understanding that Yosemite supported it natively. I'd appreciate any help you could provide!

--
Andrew Migliori
Partner, AnderImage
anderimage.com

--
Mac Pro 2012 5,1
3.33 GHz 6-Core Intel Xeon
32 GB 1333 MHz DDR2 ECC
GeForce GTX 980 4 GB
OS 10.10.2


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Paul Provost
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 5:56:46 pm
Last Edited By Paul Provost on Mar 27, 2015 at 5:57:45 pm

I don't have the system in front of me, but on installing it gave me a warning to choose the 980 specific driver. You have cuda 7 installed? In yosemite you have WEB driver selected? In resolve you have auto or cuda selected? In resolve you have use gui for processing?
Start a new project and put a red file on a fast drive with no grade applied and set to playback half good and see what happens

http://www.filmandtvcolor.com | colorist | Los Angeles, CA

Twitter: @4kfinish


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Andrew Migliori
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 6:24:04 pm

Strange, I never got that warning.
I can confirm having cuda 7 and web driver enabled.
I don't seem to have the Resolve options you mentioned, probably because I'm using Lite.

I tried starting a new project with a Red file playing from an internal RAID and it still stuttered at Half Good, and stuttered the same amount at 1/16. Something about the GPU seems to not be kicking in, but only specifically in Resolve! Premiere uses CUDA fine but in Davinci, it's running worse than my old ATI 5770.

Is there anything else you can think of?

--
Andrew Migliori
Partner, AnderImage
anderimage.com

--
Mac Pro 2012 5,1
3.33 GHz 6-Core Intel Xeon
32 GB 1333 MHz DDR2 ECC
GeForce GTX 980 4 GB
OS 10.10.2


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Paul Provost
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 6:29:23 pm

something is wrong. reinstall resolve/GTX/Cuda?
gtx is in PCIe slot 1 or 2? (16x)

http://www.filmandtvcolor.com | colorist | Los Angeles, CA

Twitter: @4kfinish


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Andrew Migliori
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 6:31:18 pm

I will try all of the above, thanks!
I also used atMonitor to check my hardware usage and while playing back in Davinci, it was using 15% GPU and 75%+ CPU. Something is indeed wrong!

--
Andrew Migliori
Partner, AnderImage
anderimage.com

--
Mac Pro 2012 5,1
3.33 GHz 6-Core Intel Xeon
32 GB 1333 MHz DDR2 ECC
GeForce GTX 980 4 GB
OS 10.10.2


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Paul Provost
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 6:40:06 pm

it is showing up in resolve though? download cuda-z for mac from sourceforge and see if you get data on all the pages, especially in performance/memory copy.

http://www.filmandtvcolor.com | colorist | Los Angeles, CA

Twitter: @4kfinish


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Andrew Migliori
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 7:05:31 pm

Yeah, it does show up in Resolve under GPU:


And I am getting data in cuda-z:



Does that mean anything to you? To me it seems like the GPU is entirely functional but there is something I'm missing with Resolve. Perhaps a re-install would do the trick?

--
Andrew Migliori
Partner, AnderImage
anderimage.com

--
Mac Pro 2012 5,1
3.33 GHz 6-Core Intel Xeon
32 GB 1333 MHz DDR2 ECC
GeForce GTX 980 4 GB
OS 10.10.2


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Eric Johnson
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 7:10:20 pm

[Andrew Migliori] "I also used atMonitor to check my hardware usage and while playing back in Davinci, it was using 15% GPU and 75%+ CPU. Something is indeed wrong!"

Do you have the "Use GPU for RED Debayer" checked in the Resolve settings (cmd-,) under Video I/O, not Project settings? That looks to me like your CPU is doing the debayer and not the GPU...

eric b johnson
online editor | colorist | workflow
http://vimeo.com/ebjohnson/colorreel


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Andrew Migliori
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 7:38:39 pm

[Eric Johnson] "Do you have the "Use GPU for RED Debayer" checked in the Resolve settings"

Interestingly, when that is unchecked, the CPU maxes out and GPU goes to about 15%, but when it is checked, the CPU hovers between 60-75% yet the GPU stays around 15%, and there isn't much of a playback difference between the two options.

--
Andrew Migliori
Partner, AnderImage
anderimage.com

--
Mac Pro 2012 5,1
3.33 GHz 6-Core Intel Xeon
32 GB 1333 MHz DDR2 ECC
GeForce GTX 980 4 GB
OS 10.10.2


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Paul Provost
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 7:40:42 pm

Sounds like cuda isn't installed. Check cuda z. Also you kept your 5770 I hope? You will still need it occasionally for installs etc

http://www.filmandtvcolor.com | colorist | Los Angeles, CA

Twitter: @4kfinish


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Andrew Migliori
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 7:51:16 pm

Here's what cuda-z has to say:


It does seem to say that my Nvidia driver is different from the one that is installed (10.2.1 vs my 10.3.1). I'll start with reinstalling the drivers and see what happens!

--
Andrew Migliori
Partner, AnderImage
anderimage.com

--
Mac Pro 2012 5,1
3.33 GHz 6-Core Intel Xeon
32 GB 1333 MHz DDR2 ECC
GeForce GTX 980 4 GB
OS 10.10.2


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Paul Provost
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 7:52:44 pm

What does performance page say. Post a grab.
And go back to the f02 driver

http://www.filmandtvcolor.com | colorist | Los Angeles, CA

Twitter: @4kfinish


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Andrew Migliori
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 8:00:59 pm

Sorry, I posted the caps a couple posts back but here they are in case you missed them :)

What Davinci says:


What cuda-z says:



--
Andrew Migliori
Partner, AnderImage
anderimage.com

--
Mac Pro 2012 5,1
3.33 GHz 6-Core Intel Xeon
32 GB 1333 MHz DDR2 ECC
GeForce GTX 980 4 GB
OS 10.10.2


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Andrew Migliori
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 8:16:23 pm

I also can't seem to go back to the f02 driver. It says "Mac OS X version 10.10.2 (14C1514) is not supported with this package." even though f02 is also for 10.10.2!

--
Andrew Migliori
Partner, AnderImage
anderimage.com

--
Mac Pro 2012 5,1
3.33 GHz 6-Core Intel Xeon
32 GB 1333 MHz DDR2 ECC
GeForce GTX 980 4 GB
OS 10.10.2


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Paul Provost
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 8:52:38 pm

Also try using the CUDA / Nvidia un installer.
I don't know man everything seems fine. I would uninstall and re install everything.
I had the 980 yosemite resolve light on a 5,1 3.3ghz 12 core and it was playing red 4k full premium real time.
You should get half good no problem.

http://www.filmandtvcolor.com | colorist | Los Angeles, CA

Twitter: @4kfinish


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Andrew Migliori
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 8:54:37 pm

Thanks a lot, Paul :) I'll keep you posted if I strike gold.

--
Andrew Migliori
Partner, AnderImage
anderimage.com

--
Mac Pro 2012 5,1
3.33 GHz 6-Core Intel Xeon
32 GB 1333 MHz DDR2 ECC
GeForce GTX 980 4 GB
OS 10.10.2


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Paul Provost
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 9:04:28 pm

And just to be clear there's nothing stupid going on here like wrong slot, only one aux power cable nothing like that? Also re seat card for the hell of it

http://www.filmandtvcolor.com | colorist | Los Angeles, CA

Twitter: @4kfinish


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Andrew Migliori
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 9:12:45 pm

Haha yeah, it's definitely in slot 1 with both power cables plugged in. I will include reseating it in my list of things to try.

--
Andrew Migliori
Partner, AnderImage
anderimage.com

--
Mac Pro 2012 5,1
3.33 GHz 6-Core Intel Xeon
32 GB 1333 MHz DDR2 ECC
GeForce GTX 980 4 GB
OS 10.10.2


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Paul Provost
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 9:28:51 pm

Also try "none" on your video output device. That's all I got.

http://www.filmandtvcolor.com | colorist | Los Angeles, CA

Twitter: @4kfinish


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Eric Johnson
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 10:08:26 pm

[Paul Provost] "Also try "none" on your video output device"

This brings up an interesting point, what Desktop Video Driver are you using? Some of the early v10's had weird playback issues associated with them, at least on my machine.

eric b johnson
online editor | colorist | workflow
http://vimeo.com/ebjohnson/colorreel


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Andrew Migliori
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 10:11:33 pm

I'm actually not sure where to find that information, can you specify where that would be? Thanks!

--
Andrew Migliori
Partner, AnderImage
anderimage.com

--
Mac Pro 2012 5,1
3.33 GHz 6-Core Intel Xeon
32 GB 1333 MHz DDR2 ECC
GeForce GTX 980 4 GB
OS 10.10.2


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Eric Johnson
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 10:45:35 pm

It's at the top of the OS X System Preferences "Blackmagic Design" window.

eric b johnson
online editor | colorist | workflow
http://vimeo.com/ebjohnson/colorreel


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Andrew Migliori
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 11:22:01 pm

Hmmm I actually don't have a Blackmagic Panel in my System Preferences—could it be because I only have Lite?

--
Andrew Migliori
Partner, AnderImage
anderimage.com

--
Mac Pro 2012 5,1
3.33 GHz 6-Core Intel Xeon
32 GB 1333 MHz DDR2 ECC
GeForce GTX 980 4 GB
OS 10.10.2


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Paul Provost
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 11:27:31 pm

Which Blackmagic card do you have?

http://www.filmandtvcolor.com | colorist | Los Angeles, CA

Twitter: @4kfinish


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Andrew Migliori
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 11:49:26 pm

I actually don't use a Blackmagic card at the moment, so that's probably why I don't have the preference pane.

--
Andrew Migliori
Partner, AnderImage
anderimage.com

--
Mac Pro 2012 5,1
3.33 GHz 6-Core Intel Xeon
32 GB 1333 MHz DDR2 ECC
GeForce GTX 980 4 GB
OS 10.10.2


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Paul Provost
Re: Slow playback with GTX 980 GPU/GUI
on Mar 27, 2015 at 11:56:54 pm

Resolve lite and no decklink. BMD has gotta love that!

http://www.filmandtvcolor.com | colorist | Los Angeles, CA

Twitter: @4kfinish


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jake blackstone
Re: Slow playback with GTX 980 GPU/GUI
on Mar 28, 2015 at 3:17:16 am

That's an ultimate in free color grading platform.


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Andrew Migliori
Re: Slow playback with GTX 980 GPU/GUI
on Mar 28, 2015 at 1:56:42 pm

Haha I'm mooching while it still suits me :)

--
Andrew Migliori
Partner, AnderImage
anderimage.com

--
Mac Pro 2012 5,1
3.33 GHz 6-Core Intel Xeon
32 GB 1333 MHz DDR2 ECC
GeForce GTX 980 4 GB
OS 10.10.2


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Andrew Migliori
Re: Slow playback with GTX 980 GPU/GUI
on Mar 30, 2015 at 6:36:44 am

Ok, you all are going to hate me for this...

After hours of reinstalling and re-kajiggering, I FOUND THE CULPRIT!

The shortcut for Davinci in my dock led to version 11.1.4, and whenever I did an update, it would update in a FOLDER called "DaVinci Resolve" instead of replacing the app directly in the Applications folder.

Long story short, Resolve 11.3 works GREAT with the GTX 980 and 11.1.4 does NOT.

*collective sigh of relief*

--
Andrew Migliori
Partner, AnderImage
anderimage.com

--
Mac Pro 2012 5,1
3.33 GHz 6-Core Intel Xeon
32 GB 1333 MHz DDR2 ECC
GeForce GTX 980 4 GB
OS 10.10.2


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