AI Denoise in Lightroom uses CPU instead of GPU or NPU

[Milan22143881nr5g]

I have a Snapdragon X Elite laptop (the lenovo yoga slim 7x) and when I do AI Denoise, it uses the CPU. It has a decent GPU, and quite a powerful NPU, and as far as I know AI Denoise should not use the CPU. Past taking a while, it makes my computer run really loud and get really hot. Please make a fix!

CPU utilization when I am doing AI Denoise vs right after

[Sameer K]

Hey, @Milan22143881nr5g. Welcome to the Lightroom Community. I'll help you figure this out. 

You can try setting the Adreno GPU as the default GPU for the Lightroom in Windows Display Settings. Head here to set up the default GPU: https://adobe.ly/3FLlQEY

Let me know how it goes. 
Thanks!
Sameer K

(Type '@' and type my name to mention me when you reply)

[Milan22143881nr5g]

It seemed it was already set up like that, I tried to change some settings but it still uses the CPU instead of the GPU. I am using the most recent version of (Lightroom 8.2).

[Milan22143881nr5g]

I tried it on the last version release (7.5) and it used CPU

[Milan22143881nr5g]

@Sameer K (commenting because I forgot to previously mention). Summary is that I tried the change, but it still used CPU instead of GPU/NPU. I also tried it on the previous version of lightroom, and it still used CPU.

[KIM_TAE HUYN2652]

I have the same problem, too.

[Milan22143881nr5g]

@Sameer K just checking if there is some current fix, or if it is a bug that will be fixed in an update?

[Sameer K · Accepted solution]

Thanks for your patience. This is currently the expected behavior for Lightroom to rely on the CPU alone when executing machine learning & GPU-intensive tasks on ARM/Snapdragon-powered devices with less than 24GB RAM. This behavior is highly likely to change and improve in the future. 

We hope you understand.

Thanks!
Sameer K

[Milan22143881nr5g]

Ok, hopefully this can get switched to GPU/NPU soon!

[Patrick254]

Are there any news on this Issue? Because the latest Update didn't solve the issue for me.