Slowness - especially in masking

Forum|Forum|3 years ago
December 28, 2022
3 replies
240 views

Greetings all - would appreciate tips on this. I run Lightroom Classic on a Mac with 32 GB RAM, 3 Ghz processor, Radeon Pro 555 2 GB graphics card, 2 TB SATA drive of which 1.3 TB are free. I edit Nikon Z9 and D850 raw files. I love the new LrC masking functions but lately have found them extremely slow - sometimes I spend 1-2 minutes staring at the beach ball. Some of my LrC specs:

--Graphics processor is set to AUTO

--Camera raw cache maximum is set to 20 GB

--Import previews are set to MINIMAL

--Automatically write changes to XMP is set to ON

Any thoughts on how I should jiggle these or other settings? Many thanks!

macOS

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Sean McCormack

Community Expert

Your graphics card memory is on the low side which won't help, 2GB is the minium, while 4-8 is recommended. @Lumigraphics suggestion of using an SSD will help with file throughput if the catalog is on the SSD, but the weak card is the bottleneck.

Sean McCormack. Author of 'Essential Development 3'. Magazine Writer. Former Official Fuji X-Photographer.

jamesn21002716Author

Participating Frequently

Thanks - this is good to know. I have a 5-year-old Mac that's already had a faster hard drive and more memory installed. Do you know if I can have a new graphics card put in, or do I have to get a new Mac?

And if I toggle the "Automatically write changes to XMP" to OFF, will that speed things up? And would I still be able to take raw files that were edited in Lightroom and import them to Photoshop for final tweaks?

--Jim

Sean McCormack

Community Expert

Toggling it off can help, but ultimately with the newer features making use of the GPU more and more, it's a losing battle. There's no way to ugrade most Macs-though there are external boxes for graphics cards. I've no experience with them. I've just gone from a 2015 iMac 27 to a Mac Studio and the difference is exponential.

Sean McCormack. Author of 'Essential Development 3'. Magazine Writer. Former Official Fuji X-Photographer.

TheDigitalDog

Inspiring

Review your system's specs and compare them to the minimum requirements document*: https://helpx.adobe.com/lightroom-classic/system-requirements.html

*last revised at the Max 2022 release.

Author “Color Management for Photographers" & "Photoshop CC Color Management/pluralsight"

L

Lumigraphics

Legend

I'm guessing that adding an external SSD via Thunderbolt connection would make a big difference. Is this a 21" iMac?

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