Working with Resolve Studio 17.4.2 on a Mac Pro with 6900XT and SSD RAID. Having an issue getting the clips to playback in realtime so I can see how the key is really looking. Source footage 23.976 in 4K. Working timeline is HD 2997. If I tell Resolve to render the Primatte node it wont render. The node stays red. If I go to the timeline and select “render cache color output” the clip gets rendered to the SSD Raid. Then on playback it looks good for about a second before it starts stuttering. I tried optimizing the source clip to ProRes but did not help playback. Also tried making a compound clip and rendering that in the timeline. Same issue.
I can see the CPU starts working more when Resolve hits the clip with Primatte on it. To my knowledge R17 is rendering a new file so not sure why the CPU load would bump up.
Appreciate any tips. Thx!