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Pim5C4F
Participating Frequently
October 21, 2020
Answered

Lightroom Classic (10.0) extremely slow on good pc

  • October 21, 2020
  • 9 replies
  • 3549 views

Alright, so my Lightroom has trouble performing even the simplest tasks such as retouching, local adjustments, working the sliders. It is so extremely slow that I wonder if it's even an hardware issue.

 

I've tried adjusting many settings inside Lightroom like increasing cache to 150GB, enabling GPU acceleration (on custom), setting preview sizes to low, enabling smart previews, generating previews in parallel, etc. At this point I feel like I've tried all possible solutions but Lightroom remains super-super slow

 

Weirdly enough, Photoshop does not seem to affected. Only Lightroom.


My specs:

CPU: AMD Ryzen 2600x (3.60Ghz)

GPU: AMD Radeon Vega 56X

RAM: 2x Corsair 16GB DDR4-3200, 1x G.Skill DDR4 Aegis 8GB 3200Mhz

SDD: Samsung 860 EVO 500GB

 

Do you guys think it's an hardware issue or a software issue? I feel the only culprit could be either the CPU or maybe upgrading the RAM to 32GB. But still, for this build I find it extremely weird that I'm getting this kind of slowness from Lightroom. Before making any upgrades I thought I'd ask the community first. Thanks!

 

 

      This topic has been closed for replies.
      Correct answer BenShakespearePhotos

      So, I found out what mine was. It wasn't Lightroom. I used the Nvidia Geforce Experience Drivers, somehow the Windows Update removed that program completely and so the GPU was just relying on the standard drivers - and I had no idea as the system seemed to be okay on all checks. Installed that and it's like I've a new Lightroom and it's working fine on LR10.0. Are you using AMD Custom Drivers or just the Windows Standard ones? Nvidia has a specific 'Studio' driver set just for creative work. Hope that helps!

      9 replies

      DdeGannes
      Community Expert
      DdeGannesCommunity Expert
      Community Expert
      November 16, 2020

      Have you posted your experience in the "Feedback.Photoshop dot com" forum or add your info to a post with similar problems.

       

      Regards, Denis: iMac 27” mid-2015, macOS 11.7.10 Big Sur; 2TB SSD, 24 GB Ram, GPU 2 GB; LrC 12.5,; Lr 6.5, PS 24.7,; ACR 15.5,; (also Laptop Win 11, ver 24H2, LrC 15.3; PS 27.0; ) Camera Oly OM-D E-M1.
      DdeGannes
      Community Expert
      DdeGannesCommunity Expert
      Community Expert
      November 15, 2020

      Just a thought, try using your win OS to test and see if all the main components are performing properly. See the screen capture.

      Regards, Denis: iMac 27” mid-2015, macOS 11.7.10 Big Sur; 2TB SSD, 24 GB Ram, GPU 2 GB; LrC 12.5,; Lr 6.5, PS 24.7,; ACR 15.5,; (also Laptop Win 11, ver 24H2, LrC 15.3; PS 27.0; ) Camera Oly OM-D E-M1.
        BenShakespearePhotos
        BenShakespearePhotos
        Inspiring
        November 16, 2020

        Thanks Denis, all is performing fine, and has been. If I roll back to LR 9, it runs fine again, but LR v10 is a snail and virtually crashes the entire PC. But I have catalogs that have been upgraded that I can't roll back and I have work on. Whatever it is, I hope that it's sorted in V10.1!

        BenShakespearePhotos
        BenShakespearePhotos
        Inspiring
        November 15, 2020

        Did you ever get a solution to this - mine is exactly the same. Only running 8GB of memory but system is fully optimised and Lightroom has been absolutely fine - until V10, when it has become actually unusable.

        P
        Pim5C4FAuthor
        Participating Frequently
        November 15, 2020

        No, unfortunately I didn't... In the future I might upgrade the CPU and see if that does something. Otherwise I'm afraid I'll have to start a new forum or live with the problem. Doing most of my edits in Photoshop (instead of Lightroom) alleviates some of the issues. 

        If you were to find a solution, please let me know as well!

          BenShakespearePhotos
          BenShakespearePhotos
          Inspiring
          November 16, 2020

          For me, I'm thinking it's some kind of issue with the new catalogs. I was using pretty large (well-optimised) catalogs. The new v10 catalogue files are huge, 10x bigger than previous, and thinking that's some of the problem. Ordered 32GB RAM and hoping that smooths everything out.

          GoldingD
          GoldingD
          Legend
          October 21, 2020
          Input types: Multitouch: No, Integrated touch: No, Integrated pen: Yes, External touch: No, External

           

          Does integrated pen indicate a WACOM is attached? Faster if not attached? Driver issue?

           

           

          P
          Pim5C4FAuthor
          Participating Frequently
          October 21, 2020

          Yes, usually the WACOM is attached but does not make any difference in performance since I've had this problem even before I got the WACOM tablet & pen

          GoldingD
          GoldingD
          Legend
          October 21, 2020

           

          Graphics Processor Info:
DirectX: Radeon RX Vega (27.20.12029.1000)

           

          Not an Radeon customer, so I have issues identifying driver versions, but if I have this correctly, a newer GPU driver exists

           

          Driver Version 20.20.33.01 (Windows Driver Store Version 27.20.12033.1007)

           

          P
          Pim5C4FAuthor
          Participating Frequently
          October 21, 2020

          It's the newest update, just did a fresh install a few days ago

          GoldingD
          GoldingD
          Legend
          October 21, 2020
          Weirdly enough, Photoshop does not seem to affected. Only Lightroom.

          P.S. Not a valid comparison. LrC is way more of resource hog than PS. 

           

          P
          Pim5C4FAuthor
          Participating Frequently
          October 21, 2020

          Good to know!

          GoldingD
          GoldingD
          Legend
          October 21, 2020

          As a diagnostic, a what if.

          As this appears to be a Windows  OS, reduce your display resolution to 2K. See if not running at 4K speeds things up.

           

          P
          Pim5C4FAuthor
          Participating Frequently
          October 21, 2020

          I tried running it in 2K, but it doesn't give me a noticably faster experience than 4K 😞

          GoldingD
          GoldingD
          Legend
          October 21, 2020

          Please post your System Information as Lightroom Classic (LrC) reports it. In LrC click on Help, then System Info, then Copy. Past that information into a reply. Please present all information from first line down to and including Plug-in Info. Info after Plug-in info can be cut as that is just so much dead space to us non-Techs.

           

           

           

           

           

          P
          Pim5C4FAuthor
          Participating Frequently
          October 21, 2020

          Lightroom Classic version: 10.0 [ 202010011851-ef6045e0 ]
          License: Creative Cloud
          Language setting: en
          Operating system: Windows 10
          Version: 10.0.19041
          Application architecture: x64
          System architecture: x64
          Logical processor count: 12
          Processor speed: 3,5 GHz
          SqLite Version: 3.30.1
          Built-in memory: 24507,7 MB
          Real memory available to Lightroom: 24507,7 MB
          Real memory used by Lightroom: 1212,4 MB (4,9%)
          Virtual memory used by Lightroom: 3421,1 MB
          GDI objects count: 733
          USER objects count: 2793
          Process handles count: 2944
          Memory cache size: 10,2MB
          Internal Camera Raw version: 13.0 [ 610 ]
          Maximum thread count used by Camera Raw: 5
          Camera Raw SIMD optimization: SSE2,AVX,AVX2
          Camera Raw virtual memory: 250MB / 12253MB (2%)
          Camera Raw real memory: 271MB / 24507MB (1%)
          System DPI setting: 144 DPI (high DPI mode)
          Desktop composition enabled: Yes
          Displays: 1) 3840x2160
          Input types: Multitouch: No, Integrated touch: No, Integrated pen: Yes, External touch: No, External pen: Yes, Keyboard: No

          Graphics Processor Info:
          DirectX: Radeon RX Vega (27.20.12029.1000)

           

          Application folder: C:\Program Files\Adobe\Adobe Lightroom Classic
          Library Path: D:\Lightroom\Lightroom Catalog-v10.lrcat
          Settings Folder: C:\Users\Pim\AppData\Roaming\Adobe\Lightroom

          Installed Plugins:
          1) AdobeStock
          2) Facebook
          3) Flickr
          4) Nikon Tether Plugin

          Config.lua flags: None

          Adapter #1: Vendor : 1002
          Device : 687f
          Subsystem : 5551043
          Revision : c3
          Video Memory : 8119
          Adapter #2: Vendor : 1414
          Device : 8c
          Subsystem : 0
          Revision : 0
          Video Memory : 0
          AudioDeviceIOBlockSize: 1024
          AudioDeviceName: Luidsprekers (Realtek(R) Audio)
          AudioDeviceNumberOfChannels: 2
          AudioDeviceSampleRate: 48000
          Build: LR5x42
          Direct2DEnabled: false
          GL_ACCUM_ALPHA_BITS: 0
          GL_ACCUM_BLUE_BITS: 0
          GL_ACCUM_GREEN_BITS: 0
          GL_ACCUM_RED_BITS: 0
          GL_ALPHA_BITS: 8
          GL_BLUE_BITS: 8
          GL_DEPTH_BITS: 24
          GL_GREEN_BITS: 8
          GL_MAX_3D_TEXTURE_SIZE: 2048
          GL_MAX_TEXTURE_SIZE: 16384
          GL_MAX_TEXTURE_UNITS: 8
          GL_MAX_VIEWPORT_DIMS: 16384,16384
          GL_RED_BITS: 8
          GL_RENDERER: Radeon RX Vega
          GL_SHADING_LANGUAGE_VERSION: 4.60
          GL_STENCIL_BITS: 8
          GL_VENDOR: ATI Technologies Inc.
          GL_VERSION: 4.6.14736 Compatibility Profile Context 20.9.1 27.20.12029.1000
          GPUDeviceEnabled: false
          OGLEnabled: true
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          dj_paige
          dj_paige
          Legend
          October 21, 2020

          Tell us more. What size (in pixels, height and width) is your monitor. What size are your original images (in pixels or megapixels)?

           

          RAM at 16GB is almost never the cause of Lightroom Classic slowness, and it is hard to see how going to 32GB would help.

          P
          Pim5C4FAuthor
          Participating Frequently
          October 21, 2020

          My size is 27 inch, 3840x2160 pixels (4K). Most of my images are shot in 22MP.

          dj_paige
          dj_paige
          Legend
          October 21, 2020

          Most people I have seen say LrC 10.0 is faster; that's my experience too. But these details are not mentioned, and a 4K monitor will cause LrC problems when you do a lot of local adjustments on a photo. Yes, I know Adobe says this has been improved in LrC 10.0, but your experience is opposite.

           

          You might want to try turning off lens corrections and transforms until the very last editing step.

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