2017 before Apple Open CL rejection?

2017 iMac Pro Catalina. Is 2017 pre-discon’ue Open CL support? Blender is slow doing anything (just selecting or mound meshes)

hi! regarding your post at T74327, may I ask you to follow this guide to find user library folder? https://nektony.com/blog/how-to-get-to-library-on-mac#find_library