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  • Hey all, just changed over the backend after 15 years I figured time to give it a bit of an update, its probably gonna be a bit weird for most of you and i am sure there is a few bugs to work out but it should kinda work the same as before... hopefully :)

Poor playback; Hackintosh gurus wanted

Petri Teittinen

Petri Teittinen

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Running the latest Resolve (full version) on a OSX Mountain Lion results in all Epic footage playing back in spurts of a couple of seconds, with a pause of same time in between spurts. It's like Resolve squirts out two seconds of playback, then inhales and gathers strength for a while in preparation for the next squirt :D

Same thing happens regardless of decode quality setting. Full Premium plays just as badly as the lowest setting.

And yes, it's a Hackintosh system, built on a Gigabyte GA-Z77X-UP5 TH motherboard and an Intel Core i7 3770K CPU with 16GBs of RAM.

The system has two GPUs: a built-in Intel HD4000 and an Nvidia Quadro 4000. I'm using the HD4000 for GUI operations, leaving Quadro 4000 to do the heavy lifting. Resolve lists the Quadro only in Preferences... but the way I see it, Resolve has to use HD4000 for GUI because the display is connected to the HD4000 only.

I would like to hear from anyone who's built a similar-ish Hackintosh system and managed to achieve better playback performance on Resolve.
 
We are all like 3 or 4 generations of computers away from absolute RAW heaven... Where RED rocket cards will become nothing but a "remember when" joke told in a bar..., and then our RED world finally explodes. !

Pity we are years away from the magic moment in time.
 
Alan Satalich said:
Did you install CUDA Drivers ?
Click to expand...
Yes, I did. I also downloaded Nvidia's official drivers for GeForce and Quadro cards, and installed those.

I think the culprit might be "GraphicsEnabler=No" in the bootloader. I had to switch from "Yes" to "No" after installing Quadro 4000; otherwise the system booted into a white screen. And apparently OSX is not using all the accelerated features if GraphicsEnabler is set to No.
 
Mark Toia said:
We are all like 3 or 4 generations of computers away from absolute RAW heaven
Click to expand...
Yeah, I know. Fortunately I'm not looking for RAW heaven; at this moment in time I would be happy for smooth playback in 1/4 quality :)
 
By reading a lot and experimenting, I managed to tweak the Hackintosh so it works a wee bit better now. Intel HD4000 is now recognized by the system and looks like it was the bottleneck instead of the Quadro.

Resolve plays 5K 1.9:1 and 2:1 footage smoothly at 1/8th decode quality, but 1/4th is still too much for it. What do you think, is that normal performance for a system of Core i7 3770K, 16GB RAM, HD4000 + Quadro4000... or should I expect better?
 
Q4000 is a good UI card. Aside from other non standard config issues consider removing the hd4000, using q4000 for UI and getting a gtx690 for processing. That may nor solve your red decide issue but is a more appropriate GPU config.
Peter
 
Thank you, Peter.

HD4000 is built-in to the CPU but I can certainly look into disabling it in BIOS or something. I don't think I can afford a GTX690... a GTX660 will have to suffice :)
 
What's the speed of your hard drives? I have a similar setup as you, hackintosh with 3770K (OC to 4.8ghz) 32GB RAM, GTX 660ti and it plays back smooth as silk on SSDs and a RAID 0. Also, Graphics Enabler "No" is a good thing. Set to Yes, it does additional tweaks and uses more CPU cycles to work around graphics problems. Your storage setup may be the source of your worries.
 
Alexander Thomson said:
What's the speed of your hard drives? I have a similar setup as you, hackintosh with 3770K (OC to 4.8ghz) 32GB RAM, GTX 660ti and it plays back smooth as silk on SSDs and a RAID 0. Also, Graphics Enabler "No" is a good thing. Set to Yes, it does additional tweaks and uses more CPU cycles to work around graphics problems. Your storage setup may be the source of your worries.
Click to expand...
I'm running Samsung Series 840 SSDs. Storage is not the bottleneck here; I'm fairly sure it's the HD4000. GraphicsEnabler is set to "No" because the system won't boot otherwise.
 
Spent a couple of hours installing Windows 7 in the same system, on another HDD. Installed all the drivers and applications, then opened the exact same RED 5K files in Resolve 9 as I had tested Hackintosh Resolve 9 with.

Playback performance was exactly the same. 1/4th decode quality is too much; image jerks and stutters. Dropping down to 1/8th allows smooth playback.

Guess I'm off to GPU shopping :)
 
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