Hi Andystock. you are not on your own with this issue, quite a few are having similar performance issues. Unfortunately I don't have a solution.
you could try switching off Use GPU in preferences. A couple of people have had some success in deleting the cache folder and rebuilding (can take a seriously long time though - someone's here took 3 days, and they had to keep stopping and starting LR)
For many its been getting progressively worse over the last few releases. I've given up on looking for a solution and moved to a different software and have been astounded at the performance difference. Of course, its a big learning curve to move to something else, plus a cost.
It's almost like since Lightroom comes bundled with Photoshop the support team thinks of it as a free program and not to dedicate too much resources to it - I hope that isn't the case but that's how it feels as a user.
Hope switching off USE GPU helps you.
I noticed yesterday (March 14, 2017) after installing the update (2015.9) LR was running more slowly. I'm in a good position to evaluate that performance, after spending most of the last ten days working on assignment post-production. I saw a definite decline in speediness after installing the new update. Yes, I have restarted the computer! I work on Macbook Pro, 16 MG RAM, and very fast everything.
Limit to 4 cores??? dang, no wonder I had so many problems. Silly me upgrading to a powerful 12 core.
Having to switch off GPU , limit to 4 cores...seems a little ...er.....amaturish?? which is precisely what many of us are saying - this supposed pro software cannot handle being run an a professional computer system. Kinda seems like a bit of a joke to be honest.
Any software that requires a top level computer to actively be throttled back because it's too powerful gets the "uninstall" treatment from me.
Best software move I have ever made was ditching lightroom. COne is light years ahead in performance. I just wish Adobe would/had listened to its customer base.
I am heading back to bridge from Lightroom. I know bridge and ACR is very limited but I don´t want to waste my time jerky workflow. LR has came so pompous and freaking slow. Bad coding? I have reasonably capable desktop computer and still I have to wait ages before I can ever dream of selecting images. Iam very disapointed!
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Huh, this is ridiculous. I think I'll just cancel my CC then, Lr and it's cataloging features was the main reason for me to take this path. There's Affinity Photo to blow Lr away, there's Inkscape to sideline Illustrator, there's Htifilm instead of Premiere and AE. Audition has excellent audio retouching features, which will be hard to replace, but I can live without those. I can do everything I need to with a fraction of the money I'm paying for dysfunctional software, again.
"Audition has excellent audio retouching features, which will be hard to replace, but I can live without those."
You should give a try to Reaper. I have used it many years and compete well even with mighty ProTools.
In Germany they have a proverb: "Reisende soll man nicht aufhalten!" (don't stop a rolling stone).
I think Adobe is aware, that the current performance of Lr is not satisfactory:
On the other hand we have some known issues:
- GPU processing involves some overhead, if that overhead is not offset by the GPU advantage, you have a slower processing.
- Multiprocessing involves also some overhead and not all operations can be accelerated. See also Amdahl's law - Wikipedia
- If the algorithms have been optimized for a certain architecture, putting in more resources will not get more performance. A pregnant woman needs 38 months before delivering birth. Putting in 2 women does not cut this time by 2. (I use this example, when people claiming that putting more resources into a task will accelerate that task...)
Reaper can edit and restore audio clips like Audition? I had no idea, I'll check that out. Been aware about this software for a long time, never tried it. Going a bit offtopic now, so let's get back on track. Thanks!