If your machine is running hot and/or lagging, it's the GPU you need to adjust. That is your graphics card.
This program is very GPU labor intensive, but easy on your CPU. I had to turn off GPU usage in the "expert" config settings for my 5 year old rig, and lower my quad core usage.
This program is very GPU labor intensive, but easy on your CPU. I had to turn off GPU usage in the "expert" config settings for my 5 year old rig, and lower my quad core usage.