ID 591248 - CopyCat uses VRAM on all GPUs even when limited to not process using those GPUs using --gpu #

Problem summary
CopyCat uses VRAM on all GPUs even when limited to not process using those GPUs using --gpu #
 
Customer reported version
nuke.15.1v4
 
Customer reported platform
rocky9
 
Steps to reproduce
 
1) Setup a basic CopyCat training Nuke script, like the one attached

2) On a multi-gpu machine, open terminal and start monitoring VRAM usage, for example:
 

watch -n 0.5 -d nvidia-smi

 
3) Open a terminal and start the Nuke script training using a command like the following:
 

<nukeInstall> --gpu 0 -X CopyCat1 -x <path/to/nuke/script>.nk