Long Form Project Optimisation

"We fixed a problem between 24.1 and 24.2, which could have been the problem you've described. Also, multicam sequences are a great way to make very demanding sequences. "

I find this frustrating as this is the only way to reliably sync dual system audio / video in Premiere, which is a must for documentary or really any production worth its salt! 

Either fix merged clips so they can work with turnover workflows or give us a solution that works!

Ok thanks @Ryan Fritzsche good to know. 

Just did a test and seeing exactly the issue you are talking about. Overall I find working with subtitles in Premiere to be incredibly painful. I think for international projects this workflow doesnt make sense, and as I far as I know there is no 3rd party solution for working with language translated transcriptions, subtitle editing etc. With Avid it is never a performance issue to edit with subtitles. 

TBH, I feel like Premiere Pro has never really excised its render file demons.  It used to lose render/preview files for no apparent reason, and while that seems to happen way, way less in more recent versions (hurray!), it still happens with clock-work regularity when I work with subtitles.  Most common example is that I'll render a sequence with subtitles, then go to export, and almost immediately, half of the subtitles will become unrendered.  So my hunch here is that if you are using subtitles on a substantial portion of your footage, you will lose your render/preview files very shortly after rendering, anywhere the subtitles are involved.  It isn't consistent in my experience - sometimes rendered subtitles stay rendered, but most of the time, if I render them and then make any change anywhere in the timeline or close/reopen the timeline or project, they will un-render.  It's often felt to me like something about how Premiere deals with fonts, but I'm not sure.  I do know subtitles virutally never stay rendered in my experience.

Also not sure if you guys are still around/can answer this, but here is an example of a cut of the master timeline, is there a reason why the preview files do not seem to render? as in the entire sequence is yellow. The preview file format is set to Pro Res LT, could this impact performance?

Hey @Bruce Bullis I'm not sure if you're the right person to ask, but I would love to learn where I could find more valuable resources about the inner workings of PP/editor optimization, I feel like I've exhausted most of the videos I can find on youtube, etc. and I've read the PDFs, and most of the videos I find now when I'm looking for something more specific have little to do with the optimization questions I have, as in, they are often more directed towards beginner level users/much smaller projects than what I am typically working with. If you happen to know of anyone/anything let me know!

Seems like I spoke too soon. It was running well for most of the day, then we started to run into similar small moments of lag/delays for the smallest of actions towards the end of our work day, tried unplugging the interface and plugging it back in again but no difference, bummer. 

That's amazing.  Glad to hear, but so weird.

Quick update if interested: to our astonishment today: we quit premiere, unplugged the audio interface connected to the edit workstation of the main editor, plugged it back in, restarted the production and then deleted the entire media cache, forcing it to rebuild. The edit of our master sequence is now running quite smoothly since. I have no idea why or how the audio interface was causing an issue, hardware compatability issues are much more of a historically Avid problem than a Premiere one, but in any case so far everything is running much faster and smoother than before (big knock on wood). 

Got it. We are running Premiere 24.1.0. Re: subtitles, I figured, but what other workflow is there for editing a project featuring a language the director/editor can't speak? In Avid it is never a performance issue to work with subtitles. We tried disabling all FX globally (Lumetri included) and saw no significant performance improvement. 

@Ryan Fritzsche the reels would definitely help, I will run that by the editors tomorrow if its an actual suitable soluiton. Think the issue is that becomes cumbersome for the director and other editors to get a better feel for the film as a whole as in being able to scrub through and watch everything at once. 

Is the media cache with regard to SSD or boot drive a bottleneck? I know a SSD is recommend, but I cant find any real information exactly why. 

I can see the screenshot, thanks.
What version of PPro are you running? [from the About box]
We'd be curious to learn whether disabling all those Lumetri instances applied to the proxies, perceptibly improves performance...?

Also: Yes, subtitles can definitely slow down performance.