Photography

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A place to politely discuss the tools, technique and culture of photography.

This is not a good place to simply share cool photos/videos or promote your own work and projects, but rather a place to discuss photography as an art and post things that would be of interest to other photographers.

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Why is Lightroom so slow on MacBook Pro? (alien.top)

submitted 10 months ago by mamapear22@alien.top to c/photography@viewfinder.pro

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I bought a new Mac just for photo editing, but Lightroom still feels unreasonably slow on it. I have tried both Lightroom and Lightroom Classic, but both are not nearly as responsive as I would expect. Especially when doing things like using the Heal tools. Are there any settings I can adjust to make it operate faster?

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[–] potatophotographer22@alien.top 1 points 10 months ago

8 GB is the reason, especially if you're using Raw files. Adobe will rip through RAM on my Windows machine with a dedicated GPU memory. I've seen it eclipse 20 GB of RAM from time to time (mostly because it's available it will cache images).

Apples M series chipsets are very efficient with everything being contained on a single die. With that, RAM is a shared resource for the CPU and GPU. Since Lightroom accelerated certain tasking via GPU (like heal or masking) it might run slow if the CPU is also running a lot of data through RAM. I'd open system monitor while you're running Lightroom and see if you're hitting a bottleneck.