Hello @tomkeet,
We do not know which criteria is used by NVIDIA control panel to tell when an application is using the NVIDIA GPU or not. I would not worry about it unless you see that you’re not getting the expected speed boost where GPU heavy tasks are done.
For most of the work with PL5, the Intel Iris Xe will be enough and there’s no reason in these cases to use the NVIDIA GPU (it’ll just use more watts and make your laptop heat more). PL5 is expected to benefit from the use of your NVIDIA GPU in these two cases:
- in the demosaicing step (conversion from RAW to RGB data) of the main preview at zoom > 75% if you have OpenCL enabled in Preferences, and use HQ denoising or no denoising
- when exporting with DeepPRIME, assuming that you let “Auto” or have set your NVIDIA GPU in advanced preferences for DeepPRIME acceleration.
So depending on which of the above two use cases are relevant for you, I suggest that you disable/enable OpenCL or change DeepPRIME acceleration setting to confirm that you get the expected speed-up. Please note that DeepPRIME acceleration setting change requires a PL5 restart.
Best regards,
Lucas