Hi unknownsailor... I'm seeking clarification on something...
From initial post...
unknownsailor wrote This never happened with my old computer. Interested to know how much just having those 10 bit clips open, as proxies (which I assume are just 8 bit), can affect other tasks. |
From most recent post...
unknownsailor wrote ...I used to use proxies with my old laptop and it coped well with 8 bit 60fps 4K so I thought I'd create proxies for the 10 bit stuff. I saw no difference in performance. It still lags. ... |
Just for clarity, when you reference your "old laptop" in the most recent post, is this true: it's only in regard to the fact that old laptop worked well with 8 bit 60fps 4K ... as a way of saying that you figure if the old laptop worked well with 8 bit 60fps 4K footage, so should the new one... but that such is not the case?
If "yes," my understanding is correct, were you using an different version of Premiere with the older laptop?
unknownsailor wrote ... I'm not sure how having the 10 bit sequence open would affect the intro sequence but it was still lagging, even though I was only editing 8 bit files. ... Interested to know how much just having those 10 bit clips open, as proxies (which I assume are just 8 bit), can affect other tasks. |
In my earlier post #6 above, I mention that I experienced an issue with significant lag when I was using Cineform 12bit footage (created with AME from sequences) in use or open in the project. At the time, I was so focused on reaching my goals with my project, I didn't let that obstacle get in my way... that's when I created a separate project to work on a photo montage more nimbly. Generally, I both lived with the points of lag and created separate projects to work on sections which, when open, those reduced projects worked without huge lag... but in one case I think the lag appeared when Cineform 12bit and/or DNxHD made its way into the smaller project... but I can't remember for certain.
In another instance of extreme lag, I thought I had noticed it in some connection between opening and playing Cineform 12bit footage (again created with the AME standard preset as part of transcoding or created submasters... exported sequences).
I ran into this while focused on editing something so couldn't stop to fully troubleshoot... not even enough to gain any clear patterns... the Cineform 12bit thing could be a red herring but was consistently among the variables. After AfterFx was opened up even though no Comp was being processed... at least not in my editing efforts. Was AE being used to produce previews of AE comps while I edited elsewhere (my project does have AE comps but they were not being edited at the time of lag)? I don't know.
In my quick dip into looking at open processes, I noticed AfterFX was getting started by Premiere ... it made me wonder if Premiere uses IPC with AE to achieve something in using Cineform footage, or at least my use of that footage (i.e., perhaps with certain effects). I forget why I wondered this but I think it was some Cineform thing in the AE call stack... but not sure.
As mentioned, though, I was not editing AE compositions at the time... so it seemed to me that Premiere can use AE for other purposes disconnected with my current efforts in Premiere but I wasn't 100% certain. But that's where i left it... in at least some (if not all cases), it seemed like I had opened or done something with Cineform 12bit when I noticed big unbearable lag... it truly halted fluid work... but it seemed my solution was just to wait a bit and/or to avoid opening Cineform 12bit or DNxHD or to use reduced projects... the lag was affecting me when doing editing tasks on other parts of the project using 8bit footage just as you mention. They were not as much a blocker for me though... I found ways to get work done. Rebooting offered no real help even though I tried a few times... things are always good after reboot but as soon as I'd start working, the lag would appear.
Oddly, lately, I haven't seen the lag *at all* ... in connection with that, in the last week, I used Project Manager to Collect the initial rough cut project into a highly reduced 'rev' project... I'm wondering if my project hosted footage or something that Premiere had to process in a manner disrupting my work... note, it was not Conforming or anything as i saw no status bar indication of such... and the project had been left open overnight so any conforming would have completed... also conforming never causes this sort of lag in my experience. It's almost like I had an AE comp or Cineform 12bit footage or DNxHD footage or something in the project and that it being there, or my touching some project item would cause Premiere to launch AE to achieve something unrelated to my immediate efforts and then lag would occur. There's a lot of assumption in here that's meant more to convey symptoms which I might convey in a bug report. This is my layperson/editor's surface experience. I can't say if 12bit Cineform was affecting anything.
I wonder if there's any sort of conforming or pre-processing (like of render files) for Cineform or some such that induces this lag while one is editing on other areas... when that's done, perhaps it reduces. Have you seen the lag eventually go away or are you hit hard by it constantly without change?
I had been planning to do performance monitoring to try to get more info but I simply didn't want to deal with that at the time. I may try... but i need to get a repro of the issue first... without it happening there's nothing to monitor.
All to say, I sense a rough match in the experiences... perhaps it's worth it for us to both file a bug report on the symptoms we see. The more reports on a similar issue, the more chance I assume of Adobe seeing something on their likely very full radar.
Also, there's nothing to say it's a not a quirk with a driver we both have in common (we have the same laptop).
To reiterate, keep in mind my description above is very abstract... I was doing a lot of stuff and occasionally touching upon DNxHD, Cineform, and 8bit footage... for the 8bit footage there could be Lumetri and Warp Stabilizer in some cases... those are parts usually have some perf hit but not like the lag mentioned above. The lag mentioned above I've not seen before in prior uses of Premiere... not in that way.
The new variables with this project was not only its size (the amount of items in the project itself), and use of intermediate codecs Cineform 12bit and DNxHD. There were a lot of AE comps but I use those all the time. Another thing which was new with this project is the version of Premiere I'm using CC2017.1.2 (it wasn't at that version in prior projects). That's why I'm curious if this is your first round with this particular version of Premiere.
If I have time, I'll try to reproduce the issue... funny though I'm not seeing it now. Granted, I've been working on the reduced 'rev' Collected project... but it has Cineform and DNxHD footage and the AE comps... the only clear difference to me is that the reduced project has far fewer project items. Most everything else seems the same... I was even editing during AME exporting and it was working well. So lately it's been great.
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