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Hello,
I am using lightroom classic for a while and I have issue with GPU. My GPU was Asus Radeon 6600X 8GB.
I always had to keep the GPU off in Lightroom otherwise it was going crazy like crash or work very slowly.
CPU was doing the job until the latest update for Lightroom which change the Denoise completely. (Ver14.4)
After the update each photo took around 12 minutes to denoise, so I had to buy another GPU which is Asus Prime Geforce 5070 12GB
After upgrade the GPU, denoising is very quick like 3sec for each photo but Exporting photos is very slow.
I tried all the GPU troubleshooting like delete the config file , reinstall Lightroom Classic completely, update windows and drivers,... but it didn't help.
When I turn off the GPU export is using CPU and it's a bit faster but still slow.
Also when I check the performance during the export it shows 2-3% GPU usage and 30-40% CPU
For example export 10 JPG each 20-30MB will take around 1.5 minutes.
Appriciate if someone can help me ti fix this.
I have attached the screenshot of preferences window.
My system Info is :
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Thread subject changed to Lightroom Classsic rather than Lightroom CC
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Also, I should add that I have changed the GPU to custom in preferences tab in lightroom and selected use GPU for export but still the same issue.
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Hey, @Max Mirzae. Welcome to the Lightroom Classic Community. I'll help you figure this out.
Where are the original images stored, on the internal or external drive? What specific edits are applied to these images?
Try exporting a larger chunk of images to a location on the internal drive and monitor the read-write operation in the Task Manager to verify if the storage locations cap the bandwidth.
Let me know how it goes. Thanks!
Sameer K
(Type '@' and type my name to mention me when you reply)
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Hi Sameer,
Thanks for your reply.
They stored on the internal hard drive and same drive as lightroom.
The drive is high speed 4TB NVMe SSD.
There is no specific edit on photos just some exposure settings.
The drive BW is much higher than the export job needs.
Thanks, Max
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Hi @Sameer K did you my respond below?
Thanks for your reply.
They stored on the internal hard drive and same drive as lightroom.
The drive is high speed 4TB NVMe SSD.
There is no specific edit on photos just some exposure settings.
The drive BW is much higher than the export job needs.
Thanks, Max
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Hi @Sameer K any update on this request?
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Hi @Max Mirzae, Thanks for your patience! Your system seems capable, so let's try a few things to troubleshoot this issue.
- In Preferences > Performance, set GPU to Custom and enable all options (Display, Image Processing, Export).
- Increase Camera Raw Cache to 10–20 GB.
- Try exporting to a different drive or creating a new export preset.
In the meantime, we will continue to investigate this issue and try to replicate it. I hope this helps! ^CH
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