This is not an answer but an addition to this problem. I am not trying to hijack but i feel my issues are very similar to what BMercer was having.
I just recently bought the new mac pro with 500gb ssd internal , 6 core, 64gb ram and dual d700s.
I upgrade and purchased CC after i was pretty well convinced that CC was the way to go for this computer as opposed to CS6.
Fo how much i spent on this new computer and new CC subscription i feel this should be functioning better.
I have noticed when i have very basic files on the timeline(1920x1080, no effects) they are still dropping frames or i cannot scrub through them smoothly. As mentioned by BMercer for a machine capable of handling 6k these DSLR files should be pretty simple.
I am trying to do a time lapse for a client and I am having extremely slow load times. This is more difficult but i still believe it should be loading way faster then this.
About 2000 frames of raw DSLR photos simply compiled in AE then opened the sequences in PP and placed them into the timeline. This is taking about 45-60min to render the timeline. I have to do this because scrubbing or trying to play goes nowhere.
This i could accept as well except for when i look at the stats of the computer in the activity monitor and Istats the CPU maintains a 60-70% idle, the GPU stays very low and the max ram combined usage is about 15gb(memory pressure doesn't even show on the graph). So I would assume from this there is nothing i can see that is "holding" the computer back.
I have the exact same MBP as BMercer and i am having far less issues with doing the exact same files rendered from a relatively slow thunderbolt external drive.
Is this a setting issue? Or is this something we can expect to see an update to?
Sorry again for tagging below you but i felt our issue and answers may be similar.