Lightroom CC: Is excruciatingly slow (El Capitan)

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  • Updated 2 years ago
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I signed up for the subscription a couple of months ago, after using Lightroom 5 with no problems for years. From the moment I first starting using the new program, I noticed an enormous slowdown from the previous version. Everything is slower: the time it takes to open Lightroom & load images; the time it takes to execute corrections & spot images using brushes; and just generally toggling between functions. The brushes are less exact than they used to be and seem to have a lag + imprecise positioning. Images generally take longer to load. I am on an iMac running El Capitan 10.11.4.
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lisa corson

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Posted 2 years ago

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AR

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In preferences uncheck in performance tab the graphics card assistance just to see if that is a jet obvious a cause or not
Or if face recognition is going on on the background (right-clic onto your logo) or if sync is going on with cloud.
The later two can be just only temporary inconveniences.
(Personally I have good experience with having allocated virtual HD space out of my 12gb ram - but that is probably only a later concern. )
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lisa corson

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It does seem faster unticking Graphic Processor. But will that cause any problems? I have the NVIDIA GeForce GTX 780M 4096 MB & it meets Adobe's requirements... No face recognition or sync enabled. thx
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Simon Chen, Principal Computer Scientist

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Also, do you have the 5k iMac? If that is the case, you can goto Lightroom>Catalog Settings>File Handling, set the Standard Preview Size to something that is reasonable for your workflow (2048px), and then relaunch Lr. By default, Lr 6 changed the standard preview size to "Auto", which is the largest dimension of the monitor(s) attached to the machine. The idea is that with auto size, Lightroom does not need to re-render the previews when going full screen, but it does mean Lr would render larger previews than it used to.
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lisa corson

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I don't have the 5k & previews are set to 1440 pixels already.